Subject: Indian-S: Immediate Delivery Req To Amembassy P

From: SIU Weather Processor <[email-masked]>
Date: Fri, 29 Jan 1999 14:47:37 -0600

704
WTXS31 PGTW 292100
SUBJ:  TROPICAL CYCLONE WARNING
IMMEDIATE DELIVERY REQ TO AMEMBASSY P
ORT LOUIS
1. TROPICAL CYCLONE 15S (DAMIEN-BIRENDA) WARNING NR 021
   01 ACTIVETROPICAL CYCLONE IN SOUTHERN HEMISPHERE
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WARNING PITION:
-  291800Z0 -BNEAR 17.9S7 83.3E4
     MOVEMENT PAST SIX HOURS - 265 DEGREES AT 11 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 - 135 NM SOUTH SEMICIRCLE
        -                   090 NM ELSEWHERE
   REPEAT POSIT: 17.9S7 83.3E4
   12 HRS, VALID AT:
   300600Z9 --- 18.1S0 8 95E7
   MAX SUSTAINED WINDS - 040 KT, GUSTSTPTP KT
   RADIUS OF 035 KT WINDS - 135 NM SOUTH SEMICIRCLE
                            090 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 260 DEG/ 11 KTS
   24 HRS, VALID AT:
   301800Z2 --- 18.4S3 78.6E1
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   VECTOR TO 36 HR POSIT: 260 DEG/ 12 KTS
   36 HRS, VALID AT:
   310600Z0 --- 18.8S7 76.2E5
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   VECTOR TO 48 MR POSIT: 255 DEG/ 12 KTS
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   311800Z3 --- 19.3S3 73.8E8
1   MAX SUSTAINED WINDS - 030 KT, GUSTS
 040 KT
   DISSIPATING AS A SIGICANT TROPICALYLONE OVER WATER
REMARKS:
292100Z4 POSITION NEAR 18.0S9 82.7E7.
TROPICAL CYCLONE 15S (DAMIEN-BIRENDA) HAS MOVED WESTWARD AT 11 KNOTS

OVER THE PAST 12 HOURS. THIS SYSTEM CONTINUES TO EXPERIENCE MODERATE

VERTICAL WIND SHEAR FROM TME NORTHEAST ANDPOVEHPOW-LEVEL CIRCULATION

CENTER CONTINUES TO BE PARTIALLY EXPOSED. THE WARNING POSITION AND
INTENSITY ARE BASED ON INFRARED SATELLITE INTENSITY ESTIMATEIKL35
AND 45 KNOTS. TROPICAL CYCLONE 15S (DAMIEN-BIRENDA) ISHARECAST TO
CONTINUE MOVING WESTWARD UNDER THE ENVIRONMENTAL STEERING INFLUENCE

OF THE SUBTROPICAL RQDGE TO ITS SOUTHO THIS SYSTEM IS EXPECTED TO
CONTINUE WEAKENING DUE TO MODERATE VERTICAL WIND SHEAR. WIND RADII
ARE BASED ON EXTRAPOLATION FROM THE PREVIOUSPWARNING. MAXIMUM OH
SIGNIFICANT
V HEIGHT AT 291800Z0 IS 19 FEET. REFER TO WWIO30 PGFW
FOR ADDITIONAL SEA HEIGHT INFORMATION.  NEXT WARNINGSNWO 300900Z2
(DTG 300757Z2) AND 302100Z6 (DTG 301957Z5);..

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