找回密码
 立即注册
搜索
查看: 240|回复: 8

法属波利尼西亚西北06P

[复制链接]

23

主题

92

回帖

1945

积分

强热带风暴

积分
1945
发表于 2025-12-4 08:48 | 显示全部楼层 |阅读模式
本帖最后由 yhh 于 2025-12-5 10:40 编辑

90P INVEST 251204 0000 11.9S 156.0W SHEM 15 0

本帖子中包含更多资源

您需要 登录 才可以下载或查看,没有账号?立即注册

×

评分

参与人数 1金钱 +3 威望 +3 收起 理由
红豆棒冰冰 + 3 + 3 90P

查看全部评分

32

主题

6360

回帖

1万

积分

超强台风

Super Typhoon

积分
13111
发表于 2025-12-4 23:10 | 显示全部楼层
本帖最后由 pocketbox 于 2025-12-4 23:15 编辑


ABPW10 PGTW 041430
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS REISSUED/041430Z-050600ZDEC2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 93W) PREVIOUSLY LOCATED NEAR
12.2N 130.1E IS NOW LOCATED NEAR 11.4N 129.0E, APPROXIMATELY 323 NM
EAST-SOUTHEAST OF LEGAZPI. ANIMATED MULTISPECTRAL SATELLITE IMAGERY
(MSI) DEPICTS A POORLY DEFINED LOW LEVEL CIRCULATION CENTER (LLCC)
WITH WEAK CONVECTION ASSOCIATED WITH THE LLCC. ENVIRONMENTAL ANALYSIS
REVEALS FAVORABLE CONDITIONS FOR DEVELOPMENT WITH LOW VERTICAL WIND
SHEAR (15 KNOTS OR LESS), GOOD UPPER-LEVEL POLEWARD OUTFLOW ALOFT,
AND WARM SEA SURFACE TEMPERATURES (27-28 C). GLOBAL MODELS ARE IN
FAIR AGREEMENT THAT INVEST 93W WILL SLOWLY CONSOLIDATE AS IT TRACKS
TOWARD THE CENTRAL PHILIPPINES. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED
TO BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS MEDIUM.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) AN AREA OF CONVECTION (INVEST 90P) HAS PERSISTED NEAR 11.2S
157.9W, APPROXIMATELY 478 NM NORTHWEST OF BORA BORA. ENHANCED
INFRARED SATELLITE IMAGERY (EIR) DEPICTS A SMALL, YET DEFINED, LOW-
LEVEL CIRCULATION CENTER (LLCC) WITH FLARING CONVECTION TO THE SOUTH
OF THE CENTER. ENVIRONMENTAL ANALYSIS REVEALS MARGINALLY FAVORABLE
CONDITIONS FOR DEVELOPMENT WITH LOW TO MODERATE VERTICAL WIND SHEAR
(15-20 KNOTS), GOOD POLEWARD OUTFLOW ALOFT, AND WARM SEA SURFACE
TEMPERATURES (27-28 C). GLOBAL MODELS SHOW 90P TRANSITING
SOUTHEASTWARD WITH A COMPACT WIND FIELD OVER THE NEXT 24 HOURS. GFS
IS THE MOST AGGRESSIVE MODEL, DEPICTING QUICK DEVELOPMENT OF GALE-
FORCE WINDS WITHIN THE EASTERN SEMICIRCLE. MAXIMUM SUSTAINED
SURFACE WINDS ARE ESTIMATED AT 28 TO 33 KNOTS. MINIMUM SEA LEVEL
PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. THE POTENTIAL FOR THE
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24
HOURS IS LOW.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 99P) PREVIOUSLY LOCATED NEAR
21.4S 145.6W IS NOW LOCATED NEAR 21.8S 144.8W, APPROXIMATELY 364 NM
SOUTHEAST OF PAPEETE. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY
(EIR) DEPICT A HIGHLY ELONGATED LOW LEVEL CIRCULATION CENTER (LLCC)
WITH DEEP CONVECTION HEAVILY SHEARED OFF TO THE SOUTHEAST.
ENVIRONMENTAL ANALYSIS REVEALS UNFAVORABLE CONDITIONS FOR DEVELOPMENT
WITH HIGH VERTICAL WIND SHEAR (25 KNOTS OR GREATER), STRONG POLEWARD
AND EQUATORWARD OUTFLOW, AND COOL SEA SURFACE TEMPERATURES (25-26 C).
GLOBAL MODELS ARE IN GOOD AGREEMENT THAT INVEST 99P WILL CONTINUE TO
TRANSIT POLEWARD OVER THE NEXT 48 HOURS. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 43 TO 48 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 996 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW.
      (2) NO OTHER SUBTROPICAL SYSTEMS.
3. JUSTIFICATION FOR REISSUE: ADDED LOW AREA IN PARA 2.B.(1)
NNNN

ABPW10 PGTW 041430 COR
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS CORRECTED/041430Z-050600ZDEC2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 93W) PREVIOUSLY LOCATED NEAR
12.2N 130.1E IS NOW LOCATED NEAR 11.4N 129.0E, APPROXIMATELY 323 NM
EAST-SOUTHEAST OF LEGAZPI. ANIMATED MULTISPECTRAL SATELLITE IMAGERY
(MSI) DEPICTS A POORLY DEFINED LOW LEVEL CIRCULATION CENTER (LLCC)
WITH WEAK CONVECTION ASSOCIATED WITH THE LLCC. ENVIRONMENTAL ANALYSIS
REVEALS FAVORABLE CONDITIONS FOR DEVELOPMENT WITH LOW VERTICAL WIND
SHEAR (15 KNOTS OR LESS), GOOD UPPER-LEVEL POLEWARD OUTFLOW ALOFT,
AND WARM SEA SURFACE TEMPERATURES (27-28 C). GLOBAL MODELS ARE IN
FAIR AGREEMENT THAT INVEST 93W WILL SLOWLY CONSOLIDATE AS IT TRACKS
TOWARD THE CENTRAL PHILIPPINES. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED
TO BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS MEDIUM.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) AN AREA OF CONVECTION (INVEST 90P) HAS PERSISTED NEAR 11.2S
157.9W, APPROXIMATELY 478 NM NORTHWEST OF BORA BORA. ANIMATED
ENHANCED INFRARED SATELLITE IMAGERY (EIR) DEPICTS A SMALL, YET
DEFINED, LOW-LEVEL CIRCULATION CENTER (LLCC) WITH FLARING CONVECTION
TO THE SOUTH OF THE CENTER. ENVIRONMENTAL ANALYSIS REVEALS MARGINALLY
FAVORABLE CONDITIONS FOR DEVELOPMENT WITH LOW TO MODERATE VERTICAL
WIND SHEAR (15-20 KNOTS), GOOD POLEWARD OUTFLOW ALOFT, AND WARM SEA
SURFACE TEMPERATURES (27-28 C). GLOBAL MODELS SHOW 90P TRANSITING
SOUTHEASTWARD WITH A COMPACT WIND FIELD OVER THE NEXT 24 HOURS. GFS
IS THE MOST AGGRESSIVE MODEL, DEPICTING QUICK DEVELOPMENT OF GALE-
FORCE WINDS WITHIN THE EASTERN SEMICIRCLE. MAXIMUM SUSTAINED
SURFACE WINDS ARE ESTIMATED AT 28 TO 33 KNOTS. MINIMUM SEA LEVEL
PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. THE POTENTIAL FOR THE
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24
HOURS IS LOW.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 99P) PREVIOUSLY LOCATED NEAR
21.4S 145.6W IS NOW LOCATED NEAR 21.8S 144.8W, APPROXIMATELY 364 NM
SOUTHEAST OF PAPEETE. THE SYSTEM IS CURRENTLY CLASSIFIED AS A
SUBTROPICAL CYCLONE, GENERALLY CHARACTERIZED AS HAVING BOTH TROPICAL
AND MIDLATITUDE CYCLONE FEATURES. ANIMATED ENHANCED INFRARED
SATELLITE IMAGERY (EIR) DEPICT A HIGHLY ELONGATED LOW LEVEL
CIRCULATION CENTER (LLCC) WITH DEEP CONVECTION HEAVILY SHEARED OFF TO
THE SOUTHEAST. ENVIRONMENTAL ANALYSIS REVEALS UNFAVORABLE CONDITIONS
FOR DEVELOPMENT WITH HIGH VERTICAL WIND SHEAR (25 KNOTS OR GREATER),
STRONG POLEWARD AND EQUATORWARD OUTFLOW, AND COOL SEA SURFACE
TEMPERATURES (25-26 C). GLOBAL MODELS ARE IN GOOD AGREEMENT THAT
INVEST 99P WILL CONTINUE TO TRANSIT POLEWARD OVER THE NEXT 48 HOURS.
FOR HAZARDS AND WARNINGS, REFRENCE THE FLEET WEATHER CENTER SAN DIEGO
HIGH WINDS AND SEAS PRODUCT OR REFER TO LOCAL WMO DESIGNATED FORECAST
AUTHORITY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 43 TO 48
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 996 MB. THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS REMAINS LOW.
      (2) NO OTHER SUBTROPICAL SYSTEMS.
3. JUSTIFICATION FOR CORRECTION: CORRECTED SUBTROPICAL STORM VERBAGE
TO INVEST 99P IN PARA 2.C.(1).//
NNNN

本帖子中包含更多资源

您需要 登录 才可以下载或查看,没有账号?立即注册

×
P

3

主题

148

回帖

587

积分

热带低压-GW

积分
587
发表于 2025-12-5 03:43 | 显示全部楼层


ABPW10 PGTW 041800
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS REISSUED/041800Z-050600ZDEC2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 93W) PREVIOUSLY LOCATED NEAR
12.2N 130.1E IS NOW LOCATED NEAR 11.4N 129.0E, APPROXIMATELY 323 NM
EAST-SOUTHEAST OF LEGAZPI. ANIMATED MULTISPECTRAL SATELLITE IMAGERY
(MSI) DEPICTS A POORLY DEFINED LOW LEVEL CIRCULATION CENTER (LLCC)
WITH WEAK CONVECTION ASSOCIATED WITH THE LLCC. ENVIRONMENTAL ANALYSIS
REVEALS FAVORABLE CONDITIONS FOR DEVELOPMENT WITH LOW VERTICAL WIND
SHEAR (15 KNOTS OR LESS), GOOD UPPER-LEVEL POLEWARD OUTFLOW ALOFT,
AND WARM SEA SURFACE TEMPERATURES (27-28 C). GLOBAL MODELS ARE IN
FAIR AGREEMENT THAT INVEST 93W WILL SLOWLY CONSOLIDATE AS IT TRACKS
TOWARD THE CENTRAL PHILIPPINES. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED
TO BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS MEDIUM.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 90P) PREVIOUSLY LOCATED NEAR
11.2S 157.9W IS NOW LOCATED NEAR 12.5 152.8W, APPROXIMATELY 241 NM
SOUTH-SOUTHEAST OF BORA BORA. MULTISPECTRAL SATELLITE IMAGERY REVEALS
A COMPACT AND MOSTLY OBSCURED LOW LEVEL CIRCULATION CENTER (LLCC),
WHICH HAS RAPIDLY CONSOLIDATED OVER THE LAST 12 HOURS. CONVECTION IS
FLARING OVER THE EASTERN SEMICIRCLE, DEVELOPING INTO NASCENT BANDING
FEATURES AND WRAPPING INTO THE CENTER. A 041156Z NOAA-20 ATMS 89GHZ
MICROWAVE IMAGE DEPICTED A SMALL REGION OF CENTRAL CONVECTION AND
SHALLOW BANDING FEATURE TO THE NORTH AND SOUTH, BEGINNING TO WRAP
INTO TOWARDS THE DEVELOPING LLCC. ENVIRONMENTAL ANALYSIS SHOWS A
FAVORABLE ENVIRONMENT FOR ANALYSIS WITH MODERATE UPPER LEVEL POLEWARD
OUTFLOW, LOW VERTICAL WIND SHEAR OF 10-15 KTS, AND SEA SURFACE
TEMPERATURES OF 28 TO 29 C. GLOBAL MODELS ARE IN AGREEMENT THAT 90P
WILL TRACK RAPIDLY SOUTH-SOUTHEASTWARD IN THE WAKE OF 99P OVER THE
NEXT COUPLE OF DAYS, WHILE QUICKLY CONSOLIDATING AND INTENSIFYING.
ANALYSIS SHOWS 90P TO BE TROPICAL IN NATURE, AND IT IS EXPECTED TO
REMAIN SO FOR AT LEAST THE NEXT 48 HOURS. MODELS AGREE THAT 90P
WILL QUICKLY CONSOLIDATE AND INTENSIFY OVER THE NEXT 24 HOURS AS IT
TRACKS NORTH OF TAHITI. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED
AT 28 TO 33 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR
1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL
CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO MEDIUM.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 99P) PREVIOUSLY LOCATED NEAR
21.4S 145.6W IS NOW LOCATED NEAR 21.8S 144.8W, APPROXIMATELY 364 NM
SOUTHEAST OF PAPEETE. THE SYSTEM IS CURRENTLY CLASSIFIED AS A
SUBTROPICAL CYCLONE, GENERALLY CHARACTERIZED AS HAVING BOTH TROPICAL
AND MIDLATITUDE CYCLONE FEATURES. ANIMATED ENHANCED INFRARED
SATELLITE IMAGERY (EIR) DEPICT A HIGHLY ELONGATED LOW LEVEL
CIRCULATION CENTER (LLCC) WITH DEEP CONVECTION HEAVILY SHEARED OFF TO
THE SOUTHEAST. ENVIRONMENTAL ANALYSIS REVEALS UNFAVORABLE CONDITIONS
FOR DEVELOPMENT WITH HIGH VERTICAL WIND SHEAR (25 KNOTS OR GREATER),
STRONG POLEWARD AND EQUATORWARD OUTFLOW, AND COOL SEA SURFACE
TEMPERATURES (25-26 C). GLOBAL MODELS ARE IN GOOD AGREEMENT THAT
INVEST 99P WILL CONTINUE TO TRANSIT POLEWARD OVER THE NEXT 48 HOURS.
FOR HAZARDS AND WARNINGS, REFRENCE THE FLEET WEATHER CENTER SAN DIEGO
HIGH WINDS AND SEAS PRODUCT OR REFER TO LOCAL WMO DESIGNATED FORECAST
AUTHORITY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 43 TO 48
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 996 MB. THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS REMAINS LOW.
      (2) NO OTHER SUBTROPICAL SYSTEMS.
3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 2.B.(1) TO
MEDIUM.//
NNNN

本帖子中包含更多资源

您需要 登录 才可以下载或查看,没有账号?立即注册

×

134

主题

1万

回帖

6万

积分

完美风暴

积分
60634
发表于 2025-12-5 05:00 | 显示全部楼层
本帖最后由 ygsj24 于 2025-12-5 06:00 编辑

WTPS21 PGTW 042100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT (INVEST 90P)//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
140 NM EITHER SIDE OF A LINE FROM 12.6S 151.7W TO 19.6S 144.8W
WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 28 TO 33 KNOTS. METSAT
IMAGERY AT 041800Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 12.8S 151.4W. THE SYSTEM IS MOVING EAST-SOUTHEASTWARD AT 14
KNOTS.
2. REMARKS: THE AREA OF CONVECTION (INVEST 90P) PREVIOUSLY LOCATED NEAR
12.5S 152.8W IS NOW LOCATED NEAR 12.8S 151.4W, APPROXIMATELY 225 NM
NORTH OF BORA BORA. MULTISPECTRAL SATELLITE IMAGERY REVEALS A COMPACT
AND MOSTLY OBSCURED LOW LEVEL CIRCULATION CENTER (LLCC), WHICH HAS
RAPIDLY CONSOLIDATED OVER THE LAST 12 HOURS. CONVECTION IS FLARING OVER
THE EASTERN SEMICIRCLE, DEVELOPING INTO NASCENT BANDING FEATURES AND
WRAPPING INTO THE CENTER. A 041156Z NOAA-20 ATMS 89GHZ MICROWAVE IMAGE
DEPICTED A SMALL REGION OF CENTRAL CONVECTION AND A SHALLOW BANDING
FEATURE TO THE NORTH AND SOUTH, BEGINNING TO WRAP INWARD TOWARDS THE
DEVELOPING LLCC. ENVIRONMENTAL ANALYSIS SHOWS A FAVORABLE ENVIRONMENT
FOR ANALYSIS WITH MODERATE UPPER LEVEL POLEWARD OUTFLOW, LOW VERTICAL
WIND SHEAR OF 10-15 KTS, AND SEA SURFACE TEMPERATURES OF 28 TO 29 C.
GLOBAL MODELS ARE IN AGREEMENT THAT 90P WILL TRACK RAPIDLY SOUTH-
SOUTHEASTWARD IN THE WAKE OF 99P OVER THE NEXT COUPLE OF DAYS WHILE
QUICKLY CONSOLIDATING AND INTENSIFYING. ANALYSIS SHOWS 90P TO BE
TROPICAL IN NATURE AND IT IS EXPECTED TO REMAIN SO FOR AT LEAST THE NEXT
48 HOURS. MODELS AGREE THAT 90P WILL QUICKLY CONSOLIDATE AND INTENSIFY
OVER THE NEXT 24 HOURS AS IT TRACKS NORTH OF TAHITI.  MAXIMUM SUSTAINED
SURFACE WINDS ARE ESTIMATED AT 28 TO 33 KNOTS. MINIMUM SEA LEVEL
PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. THE POTENTIAL FOR THE
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS
IS HIGH. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 28 TO 33
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 998 MB. THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
052100Z.//
NNNN







ABPW10 PGTW 042100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS REISSUED/042100Z-050600ZDEC2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/042051ZDEC2025//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 93W) PREVIOUSLY LOCATED NEAR
12.2N 130.1E IS NOW LOCATED NEAR 11.4N 129.0E, APPROXIMATELY 323 NM
EAST-SOUTHEAST OF LEGAZPI. ANIMATED MULTISPECTRAL SATELLITE IMAGERY
(MSI) DEPICTS A POORLY DEFINED LOW LEVEL CIRCULATION CENTER (LLCC)
WITH WEAK CONVECTION ASSOCIATED WITH THE LLCC. ENVIRONMENTAL ANALYSIS
REVEALS FAVORABLE CONDITIONS FOR DEVELOPMENT WITH LOW VERTICAL WIND
SHEAR (15 KNOTS OR LESS), GOOD UPPER-LEVEL POLEWARD OUTFLOW ALOFT,
AND WARM SEA SURFACE TEMPERATURES (27-28 C). GLOBAL MODELS ARE IN
FAIR AGREEMENT THAT INVEST 93W WILL SLOWLY CONSOLIDATE AS IT TRACKS
TOWARD THE CENTRAL PHILIPPINES. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED
TO BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS MEDIUM.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 90P) PREVIOUSLY LOCATED NEAR
12.5S 152.8W IS NOW LOCATED NEAR 12.8S 151.4W, APPROXIMATELY 225 NM
NORTH OF BORA BORA. MULTISPECTRAL SATELLITE IMAGERY REVEALS A COMPACT
AND MOSTLY OBSCURED LOW LEVEL CIRCULATION CENTER (LLCC), WHICH HAS
RAPIDLY CONSOLIDATED OVER THE LAST 12 HOURS. CONVECTION IS FLARING
OVER THE EASTERN SEMICIRCLE, DEVELOPING INTO NASCENT BANDING FEATURES
AND WRAPPING INTO THE CENTER. A 041156Z NOAA-20 ATMS 89GHZ MICROWAVE
IMAGE DEPICTED A SMALL REGION OF CENTRAL CONVECTION AND A SHALLOW
BANDING FEATURE TO THE NORTH AND SOUTH, BEGINNING TO WRAP INWARD
TOWARDS THE DEVELOPING LLCC. ENVIRONMENTAL ANALYSIS SHOWS A FAVORABLE
ENVIRONMENT FOR ANALYSIS WITH MODERATE UPPER LEVEL POLEWARD OUTFLOW,
LOW VERTICAL WIND SHEAR OF 10-15 KTS, AND SEA SURFACE TEMPERATURES OF
28 TO 29 C. GLOBAL MODELS ARE IN AGREEMENT THAT 90P WILL TRACK RAPIDLY
SOUTH-SOUTHEASTWARD IN THE WAKE OF 99P OVER THE NEXT COUPLE OF DAYS
WHILE QUICKLY CONSOLIDATING AND INTENSIFYING. ANALYSIS SHOWS 90P TO BE
TROPICAL IN NATURE AND IT IS EXPECTED TO REMAIN SO FOR AT LEAST THE
NEXT 48 HOURS. MODELS AGREE THAT 90P WILL QUICKLY CONSOLIDATE AND
INTENSIFY OVER THE NEXT 24 HOURS AS IT TRACKS NORTH OF TAHITI.  
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 28 TO 33 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN
THE NEXT 24 HOURS IS HIGH. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 28 TO 33 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED
TO BE NEAR 998 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT
TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO HIGH. SEE REF
A (WTPS21 PGTW 042100) FOR FURTHER DETAILS.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 99P) PREVIOUSLY LOCATED NEAR
21.4S 145.6W IS NOW LOCATED NEAR 21.8S 144.8W, APPROXIMATELY 364 NM
SOUTHEAST OF PAPEETE. THE SYSTEM IS CURRENTLY CLASSIFIED AS A
SUBTROPICAL CYCLONE, GENERALLY CHARACTERIZED AS HAVING BOTH TROPICAL
AND MIDLATITUDE CYCLONE FEATURES. ANIMATED ENHANCED INFRARED
SATELLITE IMAGERY (EIR) DEPICT A HIGHLY ELONGATED LOW LEVEL
CIRCULATION CENTER (LLCC) WITH DEEP CONVECTION HEAVILY SHEARED OFF TO
THE SOUTHEAST. ENVIRONMENTAL ANALYSIS REVEALS UNFAVORABLE CONDITIONS
FOR DEVELOPMENT WITH HIGH VERTICAL WIND SHEAR (25 KNOTS OR GREATER),
STRONG POLEWARD AND EQUATORWARD OUTFLOW, AND COOL SEA SURFACE
TEMPERATURES (25-26 C). GLOBAL MODELS ARE IN GOOD AGREEMENT THAT
INVEST 99P WILL CONTINUE TO TRANSIT POLEWARD OVER THE NEXT 48 HOURS.
FOR HAZARDS AND WARNINGS, REFRENCE THE FLEET WEATHER CENTER SAN DIEGO
HIGH WINDS AND SEAS PRODUCT OR REFER TO LOCAL WMO DESIGNATED FORECAST
AUTHORITY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 43 TO 48
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 996 MB. THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS REMAINS LOW.
      (2) NO OTHER SUBTROPICAL SYSTEMS.
3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA. 2.B.(1) TO
HIGH.//
NNNN

本帖子中包含更多资源

您需要 登录 才可以下载或查看,没有账号?立即注册

×

134

主题

1万

回帖

6万

积分

完美风暴

积分
60634
发表于 2025-12-5 09:43 | 显示全部楼层
本帖最后由 ygsj24 于 2025-12-5 12:00 编辑

WTPS31 PGTW 050300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 06P (SIX) WARNING NR 001//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/042051ZDEC2025//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. TROPICAL CYCLONE 06P (SIX) WARNING NR 001   
   01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   050000Z --- NEAR 13.9S 149.7W
     MOVEMENT PAST SIX HOURS - 125 DEGREES AT 20 KTS
     POSITION ACCURATE TO WITHIN 040 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
                            000 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            025 NM NORTHWEST QUADRANT
   REPEAT POSIT: 13.9S 149.7W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   051200Z --- 16.2S 146.8W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
                            010 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 145 DEG/ 18 KTS
    ---
   24 HRS, VALID AT:
   060000Z --- 19.2S 144.6W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
                            010 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            010 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 150 DEG/ 22 KTS
    ---
   36 HRS, VALID AT:
   061200Z --- 23.0S 142.1W
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
                            010 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
    ---
REMARKS:
050300Z POSITION NEAR 14.5S 149.0W.
05DEC25. TROPICAL CYCLONE 06P (SIX), LOCATED APPROXIMATELY 216 NM
NORTH OF PAPEETE, TAHITI, HAS TRACKED SOUTHEASTWARD AT 20 KNOTS
OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 050000Z IS 1002 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 050000Z IS 15 FEET. NEXT WARNINGS AT
051500Z AND 060300Z.
2. THIS CANCELS AND SUPERSEDES REF A (WTPS21 PGTW 042100)
NNNN





  1. WDPS31 PGTW 050300
  2. MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
  3. SUBJ/PROGNOSTIC REASONING FOR TROPICAL CYCLONE 06P (SIX) WARNING NR
  4. 001//
  5. RMKS/
  6. 1. FOR METEOROLOGISTS.
  7. 2. 6 HOUR SUMMARY AND ANALYSIS.

  8. SUMMARY:
  9.    INITIAL POSITION: 13.9S 149.7W
  10.    INITIAL INTENSITY: 35 KTS
  11.    GEOGRAPHIC REFERENCE: 216 NM NORTH OF PAPEETE, TAHITI
  12.    MOVEMENT PAST 6 HOURS: SOUTHEASTWARD AT 20 KTS
  13.    SIGNIFICANT WAVE HEIGHT: 15 FEET

  14. SATELLITE ANALYSIS, INITIAL POSITION AND INTENSITY DISCUSSION:
  15. TROPICAL CYCLONE (TC) 06S (SIX) HAS RAPIDLY CONSOLIDATED AND
  16. INTENSIFIED OVER THE LAST 24 HOURS, EMBEDDED WITHIN THE SOUTH
  17. PACIFIC CONVERGENCE ZONE (SPCZ) WHICH EXTENDS SOUTH TO NEAR
  18. SUBTROPICAL STORM (SS) 99P. ANIMATED MULTISPECTRAL SATELLITE
  19. IMAGERY (MSI) DEPICTS AN EXTREMELY COMPACT LOW LEVEL CIRCULATION
  20. CENTER (LLCC), OBSCURED BY DEEP, PERSISTENT CONVECTION. A 042032Z
  21. GMI 37GHZ MICROWAVE IMAGE REVEALED A WELL-DEFINED LLCC, WITH A TINY
  22. LOW EMISSIVITY REGION (LER) OUTLINING THE COMPACT INNER-CORE, AND A
  23. STRONG BAND OF CONVECTION EXTENDING IN A BROAD ARC FORMING INTO A
  24. SHRIMP-LIKE SHAPE TYPICAL OF DEVELOPING TROPICAL CYCLONES. A
  25. 041921Z ASCAT-B BULLSEYE REVEALED A VERY SMALL CORE OF ENHANCED
  26. WINDS UP TO 30 KNOTS, ALTHOUGH THE EXTREMELY COMPACT STRUCTURE
  27. LIKELY PRECLUDED DETECTION OF POTENTIALLY HIGHER WINDS WITHIN THE
  28. INNER-CORE. THE INITIAL POSITION IS ASSESSED WITH MEDIUM CONFIDENCE
  29. BASED ON AN EXTRAPOLATION OF THE GMI IMAGE DISCUSSED ABOVE, AND
  30. NEAR THE PGTW FIX POSITION BASED ON THE MSI. THE INITIAL INTENSITY
  31. IS ASSESSED WITH MEDIUM CONFIDENCE DUE TO THE BROAD DISAGREEMENT
  32. BETWEEN THE PGTW AND KNES DVORAK CURRENT INTENSITY ESTIMATES, AND
  33. EXTRAPOLATION OF THE EARLIER ASCAT DATA. ENVIRONMENTAL CONDITIONS
  34. ARE MARGINALLY FAVORABLE, WITH LOW WIND SHEAR, STRONG POLEWARD
  35. OUTFLOW ALOFT AND WARM SSTS. OUTFLOW IS BEING ENHANCED BY THE
  36. PRESENCE OF A VERY DEEP 200MB TROF SITUATED TO THE WEST.

  37. INITIAL WIND RADII BASIS: PERSISTENCE WITH EARLIER SCATTEROMETER
  38. DATA.

  39. CURRENT STEERING MECHANISM: WESTERN PERIPHERY OF A LOW- TO
  40. MID-LEVEL SUBTROPICAL RIDGE (STR) CENTERED TO THE EAST-NORTHEAST.

  41. AGENCY DVORAK AND AUTOMATED FIXES:
  42.    PGTW: T2.5 - 35 KTS
  43.    KNES: T1.0 - 25 KTS
  44.    PHFO: T1.0 - 25 KTS

  45. FORECASTER ASSESSMENT OF CURRENT ENVIRONMENT: MARGINALLY FAVORABLE
  46.    VWS: 10-15 KTS
  47.    SST: 28-29 CELSIUS
  48.    OUTFLOW: STRONG POLEWARD
  49.    OTHER FACTORS: SYSTEM IS EMBEDDED ALONG THE SOUTH PACIFIC
  50. CONVERGENCE ZONE (SPCZ). DRY MID-LEVEL AIR TO THE WEST-SOUTHWEST.

  51. ANALYSIS CONFIDENCE:
  52.    INITIAL POSITION: MEDIUM
  53.    INITIAL INTENSITY: MEDIUM
  54.    INITIAL WIND RADII: LOW

  55. 3. FORECAST REASONING.

  56. SIGNIFICANT FORECAST CHANGES: THIS INITIAL PROGNOSTIC REASONING
  57. MESSAGE ESTABLISHES THE FORECAST PHILOSOPHY.

  58. FORECAST DISCUSSION: JUST AS IT FORMED VERY RAPIDLY, TC 06P WILL BE
  59. AN EQUALLY SHORT-LIVED TC. THE SYSTEM WILL RACE OFF TO THE
  60. SOUTHEAST THROUGH THE ENTIRE FORECAST PERIOD, ALONG THE A STRONG
  61. STEERING GRADIENT BETWEEN THE WESTERN FLANK OF A DEEP STR TO THE
  62. EAST AND THE DEEP UPPER-LEVEL TROF LURKING OUT TO THE WEST.
  63. GENERALLY FAVORABLE CONDITIONS ARE EXPECTED TO PERSIST FOR THE NEXT
  64. 24 HOURS, WHICH WILL ALLOW THE SYSTEM TO INTENSIFY UP TO 40
  65. KNOTS, POTENTIALLY A FEW KNOTS HIGHER BY TAU 24. BY THAT POINT
  66. HOWEVER, THE SYSTEM WILL MOVE UNDER A 300MB JET STREAK, BE ENGULFED
  67. BY VERY DRY MID-LEVEL AIR AND MOVE OVER MUCH COOLER SSTS (24-25C)
  68. AND BEGIN A VERY RAPID SUBTROPICAL TRANSITION (STT). STT IS
  69. EXPECTED TO BE COMPLETE NO LATER THAN TAU 36, AS THE SYSTEM RACES
  70. POLEWARD IN THE WAKE OF 99P.

  71. MODEL DISCUSSION: DETERMINISTIC AND ENSEMBLE TRACK GUIDANCE IS IN
  72. VERY TIGHT AGREEMENT, WITH MINIMAL CROSS-TRACK SPREAD AND MARGINAL
  73. ALONG-TRACK SPREAD. THE JTWC FORECAST IS POSITIONED CLOSE TO THE
  74. GFS DETERMINISTIC TRACKER WITH HIGH CONFIDENCE. INTENSITY GUIDANCE
  75. IS ALSO IN GOOD AGREEMENT, WITH ALL MODELS SHOWING A PEAK INTENSITY
  76. BETWEEN 40-45 KNOTS BY TAU 12, FOLLOWED BY A SLOW WEAKENING
  77. BEGINNING AT TAU 24. THE JTWC FORECAST IS PLACED NEAR THE CONSENSUS
  78. MEAN WITH HIGH CONFIDENCE.

  79. FORECAST CONFIDENCE:
  80.    TRACK 00-72 HR: HIGH
  81.    INTENSITY 00-72 HR: HIGH//
  82. NNNN
复制代码

本帖子中包含更多资源

您需要 登录 才可以下载或查看,没有账号?立即注册

×

9

主题

242

回帖

1926

积分

强热带风暴

积分
1926
发表于 2025-12-5 11:06 | 显示全部楼层
FMS的关注

LOW PRESSURE L3 CENTRE [1012HPA] WAS ANALYSED NEAR 12.0S 151.2W AT 041800UTC. POSITION POOR. SLOW MOVING.

3

主题

148

回帖

587

积分

热带低压-GW

积分
587
发表于 2025-12-5 11:44 | 显示全部楼层


JWTC标错位置标到149.7E去了

(1) AT 05DEC25 0000Z, TROPICAL CYCLONE 06P (SIX) WAS LOCATED NEAR
13.9S 149.7W, APPROXIMATELY 216 NM NORTH OF PAPEETE, TAHITI, AND HAD
TRACKED SOUTHEASTWARD AT 20 KNOTS OVER THE PAST SIX HOURS. MAXIMUM
SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 KNOTS GUSTING TO 45 KNOTS.
SEE REF A (WTPS31 PGTW 050300) FOR FURTHER DETAILS.


本帖子中包含更多资源

您需要 登录 才可以下载或查看,没有账号?立即注册

×

3

主题

148

回帖

587

积分

热带低压-GW

积分
587
发表于 2025-12-5 17:56 | 显示全部楼层
Tropical Disturbance Summary For area Equator to 25S, 160E to 120W
ISSUED FROM RSMC NADI Dec 050939 UTC.

TROPICAL DISTURBANCE 02F CENTRE [1000HPA] WAS ANALYSED NEAR 15.3S
148.3W AT 050900UTC. POSITION POOR. TD02F MOVING SOUTHEAST AT ABOUT
15 KNOTS.

CURRENTLY THE DISTURBANCE LIES UNDER STRONG UPPER DIVERGENCE, LOW
SHEAR WITH GOOD POLEWARD OUTFLOW. SST AROUND 28 DEGREES CELSIUS.
TD02F IS IN A VERY FAVOURABLE ENVIRONMENT AND HAS POTENTIAL TO BECOME
A SIGNIFICANT DEPRESSION IN THE NEXT 12 HOURS BUT IS NOT EXPECTED TO
PERSIST AS IT MOVES INTO COOLER SST AND HIGH SHEAR THEREAFTER.

GLOBAL MODELS HAVE PICKED UP THE SYSTEM AND MOVE IT SOUTHEASTWARDS
WITH SOME INTENSIFICATION IN THE NEXT 12 HOURS, BUT WEAKENS IT AFTER
24 HOURS.

THUS, THE POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL
CYCLONE IN THE NEXT 24 TO 48 HOURS IS LOW.

*********************************************************************
************

NO OTHER TROPICAL DISTURBANCE ANALYSED OR FORECAST IN THE AREA.

32

主题

6360

回帖

1万

积分

超强台风

Super Typhoon

积分
13111
发表于 2025-12-5 22:31 | 显示全部楼层
本帖最后由 pocketbox 于 2025-12-5 22:50 编辑



WTPS31 PGTW 051500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 06P (SIX) WARNING NR 002//
RMKS/
1. TROPICAL CYCLONE 06P (SIX) WARNING NR 002   
   01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   051200Z --- NEAR 16.0S 148.0W
     MOVEMENT PAST SIX HOURS - 140 DEGREES AT 13 KTS
     POSITION ACCURATE TO WITHIN 040 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                            050 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   REPEAT POSIT: 16.0S 148.0W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   060000Z --- 18.7S 146.2W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                            050 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 150 DEG/ 18 KTS
    ---
   24 HRS, VALID AT:
   061200Z --- 21.8S 144.4W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   SUBTROPICAL
   RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
                            040 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
    ---
REMARKS:
051500Z POSITION NEAR 16.7S 147.5W.
05DEC25. TROPICAL CYCLONE 06P (SIX), LOCATED APPROXIMATELY 129 NM
NORTHEAST OF PAPEETE, TAHITI, HAS TRACKED SOUTHEASTWARD AT 13
KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 051200Z IS
999 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 051200Z IS 16 FEET. NEXT
WARNING AT 060300Z.//
NNNN
  1. WDPS31 PGTW 051500
  2. MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
  3. SUBJ/PROGNOSTIC REASONING FOR TROPICAL CYCLONE 06P (SIX) WARNING NR
  4. 002//
  5. RMKS/
  6. 1. FOR METEOROLOGISTS.
  7. 2. 6 HOUR SUMMARY AND ANALYSIS.

  8. SUMMARY:
  9.    INITIAL POSITION: 16.0S 148.0W
  10.    INITIAL INTENSITY: 40 KTS
  11.    GEOGRAPHIC REFERENCE: 129 NM NORTHEAST OF PAPEETE, TAHITI
  12.    MOVEMENT PAST 6 HOURS: SOUTHEASTWARD AT 13 KTS
  13.    SIGNIFICANT WAVE HEIGHT: 16 FEET

  14. SATELLITE ANALYSIS, INITIAL POSITION AND INTENSITY DISCUSSION:
  15. ANIMATED ENHANCED INFRARED (EIR) SATELLITE IMAGERY DEPICTS TROPICAL
  16. CYCLONE 06P WITH A HIGHLY COMPACT LOW-LEVEL CIRCULATION CENTER
  17. (LLCC) AND DEEP CONVECTION OBSCURING THE CENTER. ANIMATED WATER
  18. VAPOR IMAGERY REVEALS DEFINED CIRRUS FILAMENTS EXTENDING OUTWARD IN
  19. THE POLEWARD DIRECTION INTO THE UPPER-LEVEL JET TO THE SOUTH. THE
  20. INITIAL POSITION IS PLACED WITH MEDIUM CONFIDENCE BASED ON THE
  21. ANIMATED EIR IMAGERY. THE INITIAL INTENSITY OF 40 KTS IS ASSESSED
  22. WITH MEDIUM CONFIDENCE BASED ON THE AGENCY DVORAK AND CIMSS
  23. OBJECTIVE INTENSITY ESTIMATES LISTED BELOW. ENVIRONMENTAL ANALYSIS
  24. INDICATES THAT 06P IS IN A MARGINALLY FAVORABLE ENVIRONMENT
  25. CHARACTERIZED BY STRONG POLEWARD OUTFLOW ALOFT, LOW (10-15 KTS)
  26. VERTICAL WIND SHEAR, DRY AIR TO THE SOUTHWEST, AND WARM (27-28 C)
  27. SEA SURFACE TEMPERATURES.

  28. INITIAL WIND RADII BASIS: OBJECTIVE BEST TRACK

  29. CURRENT STEERING MECHANISM: WESTERN PERIPHERY OF A SUBTROPICAL
  30. RIDGE POSITIONED TO THE EAST

  31. AGENCY DVORAK AND AUTOMATED FIXES:
  32.    PGTW: T3.0 - 45 KTS
  33.    KNES: T3.5 - 55 KTS
  34.    PHFO: T2.0 - 30 KTS
  35.    CIMSS ADT: 39 KTS AT 051210Z
  36.    CIMSS AIDT: 35 KTS AT 051210Z
  37.    CIMSS D-MINT: 31 KTS AT 051049Z
  38.    CIMSS D-PRINT: 35 KTS AT 051210Z

  39. FORECASTER ASSESSMENT OF CURRENT ENVIRONMENT: MARGINALLY FAVORABLE
  40.    VWS: 10-15 KTS
  41.    SST: 27-28 CELSIUS
  42.    OUTFLOW: STRONG POLEWARD
  43.    OTHER FACTORS: DRY AIR TO THE SOUTHWEST

  44. ANALYSIS CONFIDENCE:
  45.    INITIAL POSITION: MEDIUM
  46.    INITIAL INTENSITY: MEDIUM
  47.    INITIAL WIND RADII: LOW

  48. 3. FORECAST REASONING.

  49. SIGNIFICANT FORECAST CHANGES: THERE ARE NO SIGNIFICANT CHANGES TO
  50. THE FORECAST FROM THE PREVIOUS WARNING.

  51. FORECAST DISCUSSION: 06P IS FORECAST TO TRACK SOUTH-SOUTHEASTWARD,
  52. ALONG THE WESTERN PERIPHERY OF THE SUBTROPICAL RIDGE TO THE EAST
  53. THROUGHOUT THE SHORT FORECAST PERIOD. TRACK SPEEDS ARE EXPECTED TO
  54. INCREASE AS THE SYSTEM CONTINUES TO APPROACH THE UPPER-LEVEL JET
  55. STREAK TO THE SOUTH. THE SYSTEM IS FORECAST TO MAINTAIN AN
  56. INTENSITY OF AROUND 40 KTS THROUGH TAU 24 AS EXTREME POLEWARD
  57. OUTFLOW FIGHTS AGAINST INCREASING SHEAR AND COOLING SEA SURFACE
  58. TEMPERATURES. AROUND TAU 24, 06P IS FORECAST TO BE WITHIN AN AREA
  59. OF 30 KTS OR HIGHER WESTERLY VERTICAL WIND SHEAR AND SEA SURFACE
  60. TEMPERATURES COOLER THAN 26 C. ADDITIONALLY, SIGNIFICANT AMOUNTS OF
  61. DRY AIR ENTRAINMENT FROM THE WEST WILL SHALLOW OUT THE VORTEX. AS A
  62. RESULT, THE SYSTEM IS ANTICIPATED TO COMPLETE SUBTROPICAL
  63. TRANSITION NEAR TAU 24 AS IT RACES OFF TO THE SOUTH-SOUTHEAST.

  64. MODEL DISCUSSION: NUMERICAL MODEL TRACK GUIDANCE IS IN VERY GOOD
  65. AGREEMENT WITH A CROSS-TRACK SPREAD OF 65 NM AND MINIMAL
  66. ALONG-TRACK SPREAD AT TAU 24. THE JTWC TRACK FORECAST IS PLACED
  67. CLOSE TO THE CONSENSUS WITH HIGH CONFIDENCE. INTENSITY GUIDANCE
  68. GENERALLY AGREES ON A STEADY INTENSITY THROUGH TAU 24. GFS SHOWS
  69. SLIGHT INTENSIFICATION TO AROUND 45 KTS THROUGH TAU 12 WHILE THE
  70. REMAINDER OF GUIDANCE HOVERS AROUND 40 KTS. THE JTWC INTENSITY
  71. FORECAST IS ALSO PLACED CLOSE TO THE CONSENSUS WITH HIGH
  72. CONFIDENCE.

  73. FORECAST CONFIDENCE:
  74.    TRACK 00-72 HR: HIGH
  75.    INTENSITY 00-72 HR: HIGH//
  76. NNNN
复制代码

本帖子中包含更多资源

您需要 登录 才可以下载或查看,没有账号?立即注册

×
P
您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

QQ|Archiver|手机版|小黑屋|TY_Board论坛

GMT+8, 2025-12-6 01:14 , Processed in 0.058275 second(s), 21 queries .

Powered by Discuz! X3.5

© 2001-2025 Discuz! Team.

快速回复 返回顶部 返回列表