Subject: Indian-N: Gu 090651z Nov 97

From: SIU Weather Processor <[email-masked]>
Date: Sun, 9 Nov 1997 20:18:50 -0600

107
WTIO31 PGTW 100300 COR
THIS WARNING SUPERSEDES AND CANCELS NAVPACMETOCCEN WEST
GU 090651Z NOV 97
TROPICAL CYCLONE FORMATION ALERT (WTIO21 PGTW 090700 )
1. TROPICAL CYCLONE 04A WARNING NR 001 CORRECTED
   01 ACTIVE TROPICAL CYCLONE IN NORTHIO
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   100000Z1 --- 10.9N0 68.8E2
     MOVEMENT PAST SIX HOURS - 270 DEGREES AT 13 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   REPEAT POSIT: 10.9N0 68.8E2
    ---
   FORECASTS:
   12 HRS, VALID AT:
   101200Z4 --- 11.1N3 66.1E3
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   VECTOR TO 24 HR POSIT: 280 DEG/ 11 KTS
    ---
   24 HRS, VALID AT:
   110000Z2 --- 11.5N7 63.9E8
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   RADIUS OF 035 KT WINDS - 040 NM NORTH SEMICIRCLE
                            020 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 280 DEG/ 09 KTS
    ---
   36 HRS, VALID AT:
   111200Z5 --- 11.8N0 62.1E9
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   RADIUS OF 035 KT WINDS - 050 NM NORTH SEMICIRCLE
                            025 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 285 DEG/ 07 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   120000Z3 --- 12.2N5 60.7E3
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   RADIUS OF 035 KT WINDS - 060 NM NORTH SEMICIRCLE
                            030 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 295 DEG/ 05 KTS
    ---
   72 HRS, VALID AT:
   130000Z4 --- 12.9N2 59.0E4
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   RADIUS OF 035 KT WINDS - 065 NM NORTH SEMICIRCLE
                            035 NM ELSEWHERE
    ---
REMARKS:
100300Z4 POSITION 11.0N2   68.1E5
TROPICAL CYCLONE 04A HAS FORMED IN THE EASTERN ARABIAN
SEA AND IS TRACKING WESTWARD AT 13 KOTS.  THE WARNING
POSITION IS BASED UPON 092230Z6 INFRARED SATELLITE
IMAGERY.  THE WARNING INTENSITY WAS BASED UPON A
SCATTEROMETER PASS AT 091801Z9 INDICATING WIND SPEEDS OF
25 AND 30 KNOTS.  THE SYSTEM IS FORECAST TO CONTINUE
MOVING WEST AND WEST-NORTHWESTWARD THROUGH THE PERIOD.
HOWEVER TROPICAL CYCLONE 04A=S FORWARD MOTION SHOULD
DECREASE AS IT MOVES INTO A DEVELOPING WEAKNESS IN THE
SUBTROPICAL RIDGE.  MAXIMUM SIGNIFICANT WAVE HEIGHT AT
100000Z IS 11 FEET.  REFER TO WWIO30 PGFW FOR ADDITIONAL
SEA HEIGHT INFORMATION.  NEXT WARNINGS AT 100900Z0 (DTG
100751Z4), 101500Z7 (DTG 101351Z1), 102100Z4 (DTG
101951Z7) AND 110300Z5 (DTG 110151Z9).  THIS WARNING
SUPERSEDES AND CANCELS NAVPACMETOCCEN WEST GU 090351Z NOV
97 TROPICAL CYCLONE FORMATION ALERT (WTIO22 PGTW 090400).
JUSTIFICATION FOR CORRECTION: CORRECTED REFERENCE TIMES
FOR TCFA.//

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
To unsubscribe from WX-TROPL send e-mail to [email-masked] with
"unsub wx-tropl" in the body of your message.  For help with the
WX-TROPL or WX-TALK discussion groups write to [email-masked] or see
http://www.inlink.com/~landmb/intro.html.  For more information on
tropical weather products, see the NCEP Products Homepage at
http://www.nhc.noaa.gov/nhcprod.html.