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本帖最后由 ygsj24 于 2026-1-22 16:25 编辑
WTPS31 PGTW 220900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 16P (SIXTEEN) WARNING NR 006//
RMKS/
1. TROPICAL CYCLONE 16P (SIXTEEN) WARNING NR 006
01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
220600Z --- NEAR 24.5S 169.4E
MOVEMENT PAST SIX HOURS - 115 DEGREES AT 25 KTS
POSITION ACCURATE TO WITHIN 045 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 - 060 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
REPEAT POSIT: 24.5S 169.4E
---
FORECASTS:
12 HRS, VALID AT:
221800Z --- 25.8S 174.3E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
005 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 095 DEG/ 20 KTS
---
24 HRS, VALID AT:
230600Z --- 26.2S 178.7E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
RADIUS OF 034 KT WINDS - 010 NM NORTHEAST QUADRANT
005 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 095 DEG/ 15 KTS
---
36 HRS, VALID AT:
231800Z --- 26.3S 178.0W
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
220900Z POSITION NEAR 24.8S 170.6E.
22JAN26. TROPICAL CYCLONE 16P (SIXTEEN), LOCATED APPROXIMATELY
232 NM SOUTHEAST OF NOUMEA, NEW CALEDONIA, HAS TRACKED EAST-
SOUTHEASTWARD AT 25 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 220600Z IS 999 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 220600Z IS 15 FEET. NEXT WARNINGS AT
221500Z, 222100Z, 230300Z AND 230900Z.
//
NNNN
- WDPS31 PGTW 220900
- MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
- SUBJ/PROGNOSTIC REASONING FOR TROPICAL CYCLONE 16P (SIXTEEN) WARNING
- NR 006//
- RMKS/
- 1. FOR METEOROLOGISTS.
- 2. 6 HOUR SUMMARY AND ANALYSIS.
- SUMMARY:
- INITIAL POSITION: 24.5S 169.4E
- INITIAL INTENSITY: 35 KTS
- GEOGRAPHIC REFERENCE: 232 NM SOUTHEAST OF NOUMEA, NEW CALEDONIA
- MOVEMENT PAST 6 HOURS: EAST-SOUTHEASTWARD AT 25 KTS
- SIGNIFICANT WAVE HEIGHT: 15 FEET
- SATELLITE ANALYSIS, INITIAL POSITION AND INTENSITY DISCUSSION:
- ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS TROPICAL
- CYCLONE (TC) 16P WITH A COMPLETELY EXPOSED AND ELONGATING LOW-LEVEL
- CIRCULATION CENTER (LLCC). THE DRY MID-LEVEL ENVIRONMENT HAS KEPT
- SUPPORTIVE CONVECTION TO A MINIMUM OVER THE LAST FEW HOURS. OVERALL,
- THE ENVIRONMENT HAS BECOME MARGINALLY UNFAVORABLE SINCE THE
- PREVIOUS WARNING, WITH WEAK POLEWARD OUTFLOW, WARM SEA SURFACE
- TEMPERATURES (26-27 C), AND INCREASING DRY AIR ENTRAINMENT. THE
- INITIAL POSITION HAS BEEN PLACED WITH HIGH CONFIDENCE BASED ON THE
- EXPOSED LLCC, OBSERVED ON ANIMATED MSI. THE INITIAL INTENSITY OF 35
- KTS IS ASSESSED WITH MEDIUM CONFIDENCE BASED ON SUBJECTIVE AGENCY
- DVORAK ESTIMATES BELOW 30 KTS AND CIMSS OBJECTIVE INTENSITY
- ESTIMATES RANGING FROM 27 KTS TO 35 KTS.
- INITIAL WIND RADII BASIS: PERSISTENCE
- CURRENT STEERING MECHANISM: DEEP-LAYER SUBTROPICAL RIDGE (STR)
- CENTERED TO THE NORTHEAST
- AGENCY DVORAK AND AUTOMATED FIXES:
- PGTW: T1.0 - 25 KTS
- CIMSS SATCON: 35 KTS AT 220301Z
- CIMSS ADT: 28 KTS AT 220530Z
- CIMSS AIDT: 31 KTS AT 220530Z
- CIMSS D-MINT: 23 KTS AT 220212Z
- CIMSS D-PRINT: 27 KTS AT 220600Z
- FORECASTER ASSESSMENT OF CURRENT ENVIRONMENT: MARGINALLY
- UNFAVORABLE
- VWS: 10-15 KTS
- SST: 26-27 CELSIUS
- OUTFLOW: WEAK POLEWARD
- ANALYSIS CONFIDENCE:
- INITIAL POSITION: HIGH
- INITIAL INTENSITY: MEDIUM
- INITIAL WIND RADII: MEDIUM
- 3. FORECAST REASONING.
- SIGNIFICANT FORECAST CHANGES: THERE ARE NO SIGNIFICANT CHANGES TO
- THE FORECAST FROM THE PREVIOUS WARNING.
- FORECAST DISCUSSION: TC 16P IS FORECASTED TO CONTINUE TRACKING
- EAST-SOUTHEASTWARD THROUGH THE REMAINDER OF FORECAST PERIOD, ALONG
- THE SOUTHERN PERIPHERY OF THE STR LOCATED TO THE NORTHEAST.
- REGARDING INTENSITY, THE CYCLONE IS EXPECTED TO REMAIN NEAR 35 KTS
- OVER THE NEXT 24 HOURS, WITH SUPPORT FROM WARM SEA SURFACE
- TEMPERATURES ABOVE 26 C AND LOW VERTICAL WIND SHEAR OF LESS THAN 15
- KTS. FOLLOWING TAU 24, TC 16P WILL SUCCUMB TO THE EXCESSIVE DRY AIR
- ENTRAINMENT AND INCREASING VERTICAL WIND SHEAR UNTIL THE END OF THE
- FORECAST PERIOD. BY TAU 36, TC 16P IS FORECASTED TO COMPLETELY
- DISSIPATE OVER WATER.
- MODEL DISCUSSION: NUMERICAL MODEL GUIDANCE IS IN GOOD AGREEMENT
- DURING THE ENTIRETY OF THE TRACK FORECAST, WITH A 70 NM CROSS-TRACK
- BY TAU 36. THE JTWC TRACK FORECAST HAS BEEN PLACED WITH HIGH
- CONFIDENCE AND ALIGNED JUST SOUTH OF THE JTWC CONSENSUS. REGARDING
- INTENSITY, ALL JTWC INTENSITY CONSENSUS MEMBERS ILLUSTRATE STEADY
- INTENSITIES NEAR 35 KTS OVER THE NEXT 24 HOURS. FOLLOWING TAU 24, A
- GRADUAL WEAKENING TREND IS EXPECTED FOR ALL CONSENSUS MEMBERS, AS
- THE VORTEX ELONGATES AND IS NEGATIVELY INFLUENCED BY PERSISTENT
- DRY AIR ENTRAINMENT. THEREFORE, THE INTENSITY FORECAST HAS BEEN
- ASSESSED WITH HIGH CONFIDENCE.
- FORECAST CONFIDENCE:
- TRACK 00-72 HR: HIGH
- INTENSITY 00-72 HR: HIGH//
- NNNN
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