Subject: Indian-S: 1. Tropical Cyclone 34s Warning Nr 001

From: SIU Weather Processor <[email-masked]>
Date: Sat, 18 Apr 1998 21:22:47 -0500

252
WTXS31 PGTW 190300
IMMEDIATE DELIVERY REQ TO AMEMBASSY PORT LOUIS
1. TROPICAL CYCLONE 34S WARNING NR 001
   01 ACTIVE TROPICAL CYCLONE IN SOUTHERN INDIAN OCEAN
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   190000Z0 --- 10.2S3 74.9E0
     MOVEMENT PAST SIX HOURS - 265 DEGREES AT 10 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   RADIUS OF 035 KT WINDS - 120 NM WEST SEMICIRCLE
                            060 NM ELSEWHERE
   REPEAT POSIT: 10.2S3 74.9E0
    ---
   FORECASTS:
   12 HRS, VALID AT:
   191200Z3 --- 10.2S3 75.8E0
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   RADIUS OF 035 KT WINDS - 120 NM WEST SEMICIRCLE
                            060 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 260 DEG/ 10 KTS
    ---
   24 HRS, VALID AT:
   200000Z2 --- 10.5S6 73.7E7
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   RADIUS OF 035 KT WINDS - 125 NM SOUTHWEST SEMICIRCLE
                            065 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 250 DEG/ 10 KTS
    ---
   36 HRS, VALID AT:
   201200Z5 --- 11.1S3 71.8E6
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   RADIUS OF 035 KT WINDS - 135 NM SOUTHWEST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 245 DEG/ 10 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   210000Z3 --- 11.9S1 70.0E7
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 030 NM SOUTH SEMICIRCLE
                            025 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 145 NM SOUTH SEMICIRCLE
                            080 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 245 DEG/ 10 KTS
    ---
   72 HRS, VALID AT:
   220000Z4 --- 13.5S9 66.4E6
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 030 NM SOUTH SEMICIRCLE
                            025 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 150 NM SOUTH SEMICIRCLE
                            085 NM ELSEWHERE
    ---
REMARKS:
190300Z3 POSITION 10.2S3   75.1E3.
TROPICAL CYCLONE 34S HAS FORMED AND IS TRACKING WESTWARD AT 10 KNOTS
IN THE SOUTHERN INDIAN OCEAN. THE WARNING INTENSITY OF 35 KNOTS IS
BASED ON A SATELLITE-DERIVED DVORAK CURRENT INTENSITY ESTIMATE OF CI2
.5
(35 KNOTS). TC 34S IS FORECAST TO TRACK WESTWARD FOR THE NEXT

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