簽到天數: 3291 天 [LV.Master]伴壇終老
|
t02436|2015-2-7 08:07
|
顯示全部樓層
JTWC於22Z發布TCFA
WTPN21 PGTW 062230
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
200 NM EITHER SIDE OF A LINE FROM 8.4N 158.7E TO 13.9N 156.4E
WITHIN THE NEXT 06 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 18 TO 23 KNOTS. METSAT
IMAGERY AT 062200Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 9.5N 158.3E. THE SYSTEM IS MOVING NORTHWESTWARD AT 06 KNOTS.
2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 4.9N
165.2E IS NOW LOCATED NEAR 9.5N 158.3E, APPROXIMATELY 155 NM NORTH
OF POHNPEI. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY DEPICTS
IMPROVED CONVECTIVE BANDING WRAPPING INTO AN ELONGATED LOW LEVEL
CIRCULATION CENTER. A 061830Z SSMIS MICROWAVE IMAGE DEPICTS
CONVECTIVE BANDING THAT IS NOW WRAPPING IN FROM THE SOUTHERN
QUADRANT. UPPER-LEVEL ANALYSIS INDICATES AN INCREASINGLY FAVORABLE
ENVIRONMENT WITH 10 TO 15 KNOTS VERTICAL WIND SHEAR AND GOOD
POLEWARD OUTFLOW. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT
18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR
1005 MB. BASED ON IMPROVED STRUCTURE AND FAVORABLE CONDITIONS, 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
072230Z.
//
NNNN
風場掃描顯示近中心風速約為25kt
|
本帖子中包含更多資源
您需要 登錄 才可以下載或查看,沒有賬號?立即加入
x
|