Subject: Indian-S: Immediate Delivery Req To Amembassy Port Louis

From: SIU Weather Processor <[email-masked]>
Date: Wed, 4 Apr 2001 15:52:02 -0500

WTXS33 PGTW 042100
IMMEDIATE DELIVERY REQ TO AMEMBASSY PORT LOUIS
1. TROPICAL CYCLONE 18S WARNING NR 003
   03 ACTIVE TROPICAL CYCLONES IN SOUTHERN HEMISPHERE
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   041800Z3 --- NEAR 12.9S2 62.4E2
     MOVEMENT PAST SIX HOURS - 240 DEGREES AT 08 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   RADIUS OF 035 KT WINDS - 065 NM SOUTHEAST SEMICIRCLE
                            045 NM ELSEWHERE
   REPEAT POSIT: 12.9S2 62.4E2
    ---
   FORECASTS:
   12 HRS, VALID AT:
   050600Z1 --- 14.1S6 61.5E2
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 035 NM SOUTHEAST SEMICIRCLE
                            025 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 075 NM SOUTHEAST SEMICIRCLE
                            055 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 220 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   051800Z4 --- 15.3S9 60.5E1
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   RADIUS OF 050 KT WINDS - 045 NM SOUTHEAST SEMICIRCLE
                            035 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 085 NM SOUTHEAST SEMICIRCLE
                            065 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 215 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   060600Z2 --- 16.5S2 59.7E1
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   RADIUS OF 050 KT WINDS - 045 NM SOUTHEAST SEMICIRCLE
                            035 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 085 NM SOUTHEAST SEMICIRCLE
                            065 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 210 DEG/ 06 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   061800Z5 --- 17.6S4 59.0E4
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 035 NM SOUTHEAST SEMICIRCLE
                            025 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 075 NM SOUTHEAST SEMICIRCLE
                            055 NM ELSEWHERE
    ---
REMARKS:
042100Z7 POSITION NEAR 13.2S6 62.2E0.
TROPICAL CYCLONE (TC) 18S, LOCATED APPROXIMATELY 518 NM NORTHEAST OF
MAURITIUS ISLAND, HAS TRACKED WEST-SOUTHWESTWARD AT 08 KTS DURING
THE PAST 6 HOURS. THE WARNING POSITION IS BASED UPON 041730Z5
INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED UPON
CURRENT INTENSITY ESTIMATES OF 35 AND 45 KNOTS. ENHANCED ANIMATION
AND A 041625Z8 SSM/I PASS DEPICT A SUDDEN BURST OF DEEP CONVECTION
OVER THE LOW-LEVEL CIRCULATION CENTER DURING THE PAST 4 HOURS. THIS
MORNINGS 200 MB ANAL REVEALED THAT THE SUBTROPICAL RIDGE AXIS WAS
SITUATED OVER THE SYSTEM. TC 18S IS FORECAST TO CONTINUE OF A
GENERALLY SOUTHWESTWARD TRACK THROUGH THE PERIOD. THE SYSTEM SHOULD
CONTINUE TO INTENSIFY DURING THE NEXT 36 HOURS. MAXIMUM SIGNIFICANT
WAVE HEIGHT AT 041800Z3 IS 16 FEET. NEXT WARNINGS AT 050900Z4 AND
052100Z8. REFER TO TROPICAL CYCLONE 16S (NONAME) WARNINGS (WTXS31
PGTW) FOR TWELVE-HOURLY UPDATES.REFER TO TROPICAL CYCLONE 17S (WALTER
WARNINGS (WTXS32 PGTW)FOR TWELVE-HOURLY UPDATES.//

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