Subject: Indian-S: 01 Active Tropical Cyclone In Southern Hemisphere

From: SIU Weather Processor <[email-masked]>
Date: Mon, 13 Apr 1998 23:38:46 -0500

554
WTXS31 PGTW 140300
1. TROPICAL CYCLONE 32S (GEMMA) WARNING NR 015
   01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE

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   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   140000Z5 --- 14.6S1 77.9E3
     MOVEMENT PAST SIX HOURS - 360 DEGREES AT 00 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   REPEAT POSIT: 14.6S1 77.9E3
    ---
   FORECASTS:
   12 HRS, VALID AT:
   141200Z8 --- 14.6S2 78.2E6
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 24 HR POSIT: 180 DEG/ 01 KTS
    ---
   24 HRS, VALID AT:

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   150000Z6 --- 14.8S3 78.2E7
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 36 HR POSIT: 180 DEG/ 01 KTS
    ---
   36 HRS, VALID AT:
   151200Z9 --- 15.0S6 78.2E7
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 48 HR POSIT: 215 DEG/ 02 KTS
    ---
REMARKS:
140300Z8 POSITION 14.6S1 77.9E3.
TROPICAL CYCLONE 32S (GEMMA) HAS BEEN QUASI-STATIONARY FOR THE
PAST 12 HOURS. THE WARNING POSITION AND INTENSITY ARE BASED ON
132330Z2 INFRARED SATELLITE IMAGERY. TROPICAL CYCLONE 32S
(GEMMA) IS EXPECTED TO REMAIN QUASI-STATIONARY FOR THE ENTIRE
PERIOD. THE SYSTEM IS EXPECTED TO DISSIPATE UNDER THE INFLUENCE
OF MODERATE TO HIGH VERTICAL WIND SHEAR. MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 140000Z5 IS 13 FEET. NEXT WARNINGS AT 141500Z1 (DTG

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141351Z5) AND 150300Z9 (DTG 150151Z3).//
BT
#4580

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