簽到天數: 1765 天 [LV.Master]伴壇終老
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zjk369|2018-3-23 13:55
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WTPN22 PGTW 230530MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//SUBJ/TROPICAL CYCLONE FORMATION ALERT//RMKS/1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN150 NM EITHER SIDE OF A LINE FROM 4.2N 148.0E TO 6.1N 143.6EWITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFYISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.WINDS IN THE AREA ARE ESTIMATED TO BE 18 TO 23 KNOTS. METSATIMAGERY AT 230300Z INDICATES THAT A CIRCULATION CENTER IS LOCATEDNEAR 4.3N 147.6E. THE SYSTEM IS MOVING WEST-NORTHWESTWARD AT 04KNOTS.2. REMARKS: THE AREA OF CONVECTION (INVEST 96W) PREVIOUSLY LOCATED NEAR 3.7N 147.4E, IS NOW LOCATED NEAR 4.3N 147.6E, APPROXIMATELY 265 NM SOUTHWEST OF CHUUK. ANIMATED MULTISPECTRAL SATELLITE IMAGERY AND A 222330Z AMSU-B 89GHZ MICROWAVE IMAGE SHOW A SLIGHTLY ELONGATED BUT CONSOLIDATING LLCC WITH DISTINCT BANDING WRAPPING IN AND A SMALL AREA OF CENTRAL DEEP CONVECTION OVER THE CENTER. A 221151Z ASCAT PARTIAL IMAGE SHOWS A STILL SOMEWHAT BROAD CIRCULATION WITH PRIMARILY 5-10 KNOT WINDS WRAPPING IN, BUT 20-25 KNOT WINDS AROUND THE PERIPHERY. THE DISTURBANCE IS CURRENTLY LOCATED IN AN AREA OF FAVORABLE UPPER LEVEL DIVERGENCE, LOW TO MODERATE (10-20 KNOTS) VERTICAL WIND SHEAR, AND WARM SEA SURFACE TEMPERATURES (29-31 CELSIUS). GLOBAL MODELS ARE IN AGREEMENT THAT INVEST 96W WILL INTENSIFY TO TROPICAL DEPRESSION STRENGTH IN THE NEXT FEW DAYS AS IT TRACKS TO THE NORTHWEST. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 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 240530Z.//NNNN
TPPN10 PGTW 230250 A. TROPICAL DISTURBANCE 96W (SE OF GUAM)B. 23/0230ZC. 5.00ND. 146.20EE. FIVE/HMWRI8F. N/AG. IR/EIR/VIS/MSIH. REMARKS: 70/PBO ANMTN. THIS SYSTEM IS TOO WEAK TO CLASSIFY.I. ADDITIONAL POSITIONS: NONE LEMBKE
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