作者tytony (混沌的大氣)
看板TY_Research
標題[情報] 95W TCFA
時間Sun Apr 3 11:24:36 2011
不來則已 一來就蹦兩顆出來
WTPN21 PGTW 030000
MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
160 NM EITHER SIDE OF A LINE FROM 9.6N 130.1E TO 12.9N 135.6E
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 15 TO 20 KNOTS. METSAT IMAGERY AT
022330Z INDICATES THAT
A CIRCULATION CENTER IS LOCATED NEAR 9.9N
130.8E. THE SYSTEM IS MOVING NORTH-NORTHWESTWARD AT 02 KNOTS.
一顯著熱帶氣旋可能在未來6~24小時形成於9.6N 130.1E至12.9N 135.6E間
兩側160浬內，現有資料無法證明應在此時發布有編號之熱帶氣旋警告。
風速在此範圍內估計為15~20節，022330Z的METSAT衛星影像顯示環流中心
位在9.9N 130.8E，系統移向北北西方，移速2節
2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 11.1N
130.9E IS NOW LOCATED NEAR 9.9N 130.8E, APPROXIMATELY 270 NM
NORTHWEST OF PALAU. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS
A PARTIALLY-EXPOSED, WELL-DEFINED LOW-LEVEL CIRCULATION CENTER
(LLCC) WITH IMPROVED DEEP CONVECTIVE BANDING OVER THE WESTERN SEMI-
CIRCLE. A 022000Z SSMI IMAGE INDICATES THAT THE LLCC HAS
STRENGTHENED WITH MULTIPLE LOW-LEVEL CONVECTIVE BANDS WRAPPING INTO
THE CENTER WITH INCREASING DEEP CONVECTION OVER THE WESTERN SEMI-
CIRCLE. A 021216Z ASCAT IMAGE SHOWED A SYMMETRIC LLCC WITH,
GENERALLY, 15-20 KNOT WINDS AROUND THE CENTER AND 25 KNOT WINDS OVER
THE WESTERN PERIPHERY (ASSOCIATED WITH A SURGE EVENT). RECENT
SURFACE OBSERVATIONS FROM PALAU AND YAP INDICATE 10-15 KNOT
SOUTHWESTERLY SURFACE WINDS WITH SLP NEAR 1005-1006 MB. THE LLCC IS
LOCATED UNDER THE UPPER-LEVEL RIDGE WITH WEAK VERTICAL WIND SHEAR
AND GOOD OUTFLOW. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT
15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR
1004 MB. BASED ON THE IMPROVED CONVECTIVE BANDING AND STRENGTHENING
LLCC, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL
CYCLONE WITHIN THE NEXT 24 HOURS IS GOOD.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
040000Z.//
NNNN
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MTSAT 紅外線雲圖 03/22/2009 21:58
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◆ From: 140.113.3.42
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