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

From: SIU Weather Processor <[email-masked]>
Date: Tue, 6 Apr 1999 09:07:33 -0500

999
WTXS31 PGTW 061500
SUBJ:  TROPICAL CYCLONE WARNING
IMMEDIATE DELIVERY REQ TO AMEMBASSY PORT LOUIS
1. TROPICAL CYCLONE 31S (FREDERIC-EVRINA) WARNING NR 027
   02 ACTIVE TROPICAL CYCLONES IN SOUTHERN HEMISPHERE
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   061200Z9 --- NEAR 18.8S7 66.2E4
     MOVEMENT PAST SIX HOURS - 260 DEGREES AT 08 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: 18.8S7 66.2E4
    ---
   FORECASTS:
   12 HRS, VALID AT:
   070000Z7 --- 19.0S0 64.6E6
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 24 HR POSIT: 245 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   071200Z0 --- 19.6S6 63.1E0
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
061500Z2 POSITION NEAR 18.9S8 65.8E9. TROPICAL CYCLONE 31S
(FREDERIC-EVRINA) HAS TRACKED WESTWARD AT 15 KNOTS OVER THE PAST 06
HOURS. THE WARNING POSITION IS BASED UPON 061130Z3 ANIMATED VISIBLE
AND INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED UPON
SATELLITE CURRENT INTENSITY ESTIMATES OF 25 KNOTS, BUT TAKES INTO
ACCOUNT THE WELL-DEFINED LOW LEVEL CIRCULATION AND PERSISTENT
CONVECTION IN THE SOUTHEASTERN QUADRANT. TC 31S CONTINUES TO WEAKEN
VERY SLOWLY AS IT TRACKS WESTWARD UNDER THE STEERING INFLUENCE OF
THE SUBTROPICAL RIDGE TO ITS SOUTH. TROPICAL CYCLONE 31S IS FORECAST
TO DISSIPATE OVER WATER WITHIN 24 HOURS. MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 061200Z9 IS 12 FEET. NEXT WARNINGS AT 070300Z0 (DTG
070151Z4). REFER TO TROPICAL CYCLONE  32S (GWENDA) WARNINGS (WTXS32
PGTW) FOR SIX-HOURLY UPDATES.//
BT
#0027

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