Subject: Indian-N: 1. Tropical Cyclone 03a Warning Nr 007

From: SIU Weather Processor <[email-masked]>
Date: Fri, 5 Jun 1998 15:41:54 -0500

097
WTIO31 PGTW 052100
IMMEDIATE DELIVERY REQ TO AMEMBASSY COLOMBO AND AMCONSUL MADRAS
1. TROPICAL CYCLONE 03A WARNING NR 007
   01 ACTIVE TROPICAL CYCLONE IN NORTHIO
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   051800Z4 --- 11.9N1 069.7E2
     MOVEMENT PAST SIX HOURS - 285 DEGREES AT 04 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   RADIUS OF 050 KT WINDS - 015 NM
   RADIUS OF 035 KT WINDS - 050 NM
   REPEAT POSIT: 11.9N1 069.7E2
    ---
   FORECASTS:
   12 HRS, VALID AT:
   060600Z2 --- 12.1N4 069.1E6
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 020 NM
   RADIUS OF 035 KT WINDS - 050 NM
   VECTOR TO 24 HR POSIT: 280 DEG/ 02 KTS
    ---
   24 HRS, VALID AT:
   061800Z5 --- 12.2N5 068.6E0
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   RADIUS OF 050 KT WINDS - 025 NM
   RADIUS OF 035 KT WINDS - 055 NM
   VECTOR TO 36 HR POSIT: 295 DEG/ 02 KTS
    ---
   36 HRS, VALID AT:
   070600Z3 --- 12.4N7 068.2E6
   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
   RADIUS OF 050 KT WINDS - 025 NM
   RADIUS OF 035 KT WINDS - 060 NM
   VECTOR TO 48 HR POSIT: 310 DEG/ 02 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   071800Z6 --- 12.7N0 067.8E1
   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
   RADIUS OF 050 KT WINDS - 030 NM
   RADIUS OF 035 KT WINDS - 065 NM
   VECTOR TO 72 HR POSIT: 325 DEG/ 02 KTS
    ---
   72 HRS, VALID AT:
   081800Z7 --- 13.3N7 067.4E7
   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
   RADIUS OF 050 KT WINDS - 030 NM
   RADIUS OF 035 KT WINDS - 065 NM
    ---
REMARKS:
052100Z8 POSITION 12.0N3   069.6E1.
TROPICAL CYCLONE 03A HAS TRACKED TOWARDS THE WEST-NORTHWEST FOR
THE PAST 12 HOURS.  THE WARNING POSITION AND INTENSITY ARE BASED
ON 051800Z4 INFRARED SATELLITE IMAGERY.  051549Z5 MICROWAVE
IMAGERY INDICATED BOTH ORGANIZATION AND CONVECTION HAVE
DRAMATICALLY IMPROVED OVER THE PAST 6 HOURS.  051540Z5 INFRARED
SATELLITE IMAGERY SHOWS WELL DEVELOPED BANDING FEATURES
INDICATING A SIGNIFICANT IMPROVEMENT IN LOW-LEVEL INFLOW.
ANIMATED INFRARED SATELLITE IMAGERY INDICATES ANTICYCLONIC
OUTFLOW AS WELL. TC03A IS FORECAST TO INTENSIFY THROUGH THE 48-
HOUR PERIOD. THE SYSTEM IS EXPECTED TO MAINTAIN ITS INTENSITY
THROUGH THE REMAINDER OF THE PERIOD. THE SYSTEM IS EXPECTED TO
CONTINUE TRACKING SLOWLY TOWARDS THE WEST-NORTHWEST.MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 051800Z4 IS 14 FEET. REFER TO
WWPW(IO)31 PGFW FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT
WARNINGS AT 060300Z9 (DTG 060151Z3), 060900Z5 (DTG 060751Z9),
061500Z2 (DTG 061351Z6) AND 062100Z9 (DTG 061951Z2).//

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