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JTWC/94W/TCFA/02-03 1400Z
本帖最后由 yhh 于 2026-2-3 23:00 编辑
WTPN21 PGTW 031400
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT (INVEST 94W)//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
120 NM EITHER SIDE OF A LINE FROM 9.1N 135.0E TO 7.6N 128.5E
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 23 TO 28 KNOTS. METSAT
IMAGERY AT 031200Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 9.1N 135.0E. THE SYSTEM IS MOVING WESTWARD AT 06
KNOTS.
2. REMARKS: THE AREA OF CONVECTION (INVEST 94W) PREVIOUSLY LOCATED NEAR
9.0N 135.6E IS NOW LOCATED NEAR 9.1N 135.0E, APPROXIMATELY
111 NM SOUTH-SOUTHWEST OF PALAU. ANIMATED ENHANCED INFRARED IMAGERY
(EIR) DEPICTS A BROAD AND ELONGATED LOW-LEVEL CIRCULATION (LLC) WITH
FLARING, FRAGMENTED CONVECTION DEVELOPING THROUGHOUT THE CIRCULATION BUT
FOCUSED IN THE NORTHERN EXTENT. A PARTIAL 031203Z ASCAT PASS CONFIRMS
THE HIGHLY ASYMMETRIC NATURE OF THE LLCC, WITH LIGHT WINDS EXTENDING ALL
ALONG THE EASTERN FLANK, AND STRONG NORTHEASTERLY WINDS (25KTS TO 35KTS)
ALONG THE NORTHWESTERN FLANK. THE LLCC IS POSITIONED IN THE FAR NORTHERN
END OF A THE HIGHLY ELONGATED, BEAN-SHAPED LLCC. ENVIRONMENTAL ANALYSIS
REVEALS FAVORABLE CONDITIONS FOR DEVELOPMENT WITH LOW TO MODERATE
VERTICAL WIND SHEAR (15 TO 20KTS), WARM SEA SURFACE TEMPERATURES (29 TO
30 C), AND GOOD POLEWARD OUTFLOW. GLOBAL AND ENSEMBLE MODELS INDICATE
QUICK DEVELOPMENT OF 94W WITHIN THE NEXT 24 HOURS AND ALSO AGREE IN A
GENERAL WESTWARD TRACK TOWARDS THE SOUTHERN PHILIPPINES. MAXIMUM
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 23 TO 28 KNOTS. MINIMUM SEA
LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1001 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
041400Z.//
NNNN
WTPN21 PGTW 031400 COR
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT (INVEST 94W) CORRECTED//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
120 NM EITHER SIDE OF A LINE FROM 9.1N 135.0E TO 7.6N 128.5E
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 23 TO 28 KNOTS. METSAT
IMAGERY AT 031200Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 9.1N 135.0E. THE SYSTEM IS MOVING WESTWARD AT 06 KNOTS.
2. REMARKS: THE AREA OF CONVECTION (INVEST 94W) PREVIOUSLY LOCATED NEAR
9.0N 135.6E IS NOW LOCATED NEAR 9.1N 135.0E, APPROXIMATELY
111 NM NORTH-NORTHEAST OF PALAU. ANIMATED ENHANCED INFRARED IMAGERY
(EIR) DEPICTS A BROAD AND ELONGATED LOW-LEVEL CIRCULATION (LLC) WITH
FLARING, FRAGMENTED CONVECTION DEVELOPING THROUGHOUT THE CIRCULATION BUT
FOCUSED IN THE NORTHERN EXTENT. A PARTIAL 031203Z ASCAT PASS CONFIRMS
THE HIGHLY ASYMMETRIC NATURE OF THE LLCC, WITH LIGHT WINDS EXTENDING ALL
ALONG THE EASTERN FLANK, AND STRONG NORTHEASTERLY WINDS (25KTS TO 35KTS)
ALONG THE NORTHWESTERN FLANK. THE LLCC IS POSITIONED IN THE FAR NORTHERN
END OF A THE HIGHLY ELONGATED, BEAN-SHAPED LLCC. ENVIRONMENTAL ANALYSIS
REVEALS FAVORABLE CONDITIONS FOR DEVELOPMENT WITH LOW TO MODERATE
VERTICAL WIND SHEAR (15 TO 20KTS), WARM SEA SURFACE TEMPERATURES (29 TO
30 C), AND GOOD POLEWARD OUTFLOW. GLOBAL AND ENSEMBLE MODELS INDICATE
QUICK DEVELOPMENT OF 94W WITHIN THE NEXT 24 HOURS AND ALSO AGREE IN A
GENERAL WESTWARD TRACK TOWARDS THE SOUTHERN PHILIPPINES. MAXIMUM
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 23 TO 28 KNOTS. MINIMUM SEA
LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1001 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
041400Z.
4. JUSTIFICATION FOR CORRECTION: CORRECTED DIRECTION FROM PALAU IN
PARAGRAPH 2.//
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