Subject: Indian-N: And Amembassy New Delhi

From: SIU Weather Processor <[email-masked]>
Date: Tue, 19 May 1998 16:20:44 -0500

574
WTIO31 PGTW 192100
IMMEDIATE DELIVERY REQ TO AMCONSUL CALCUTTA, AMEMBASSY DHAKA
AND AMEMBASSY NEW DELHI
1. TROPICAL CYCLONE 01B WARNING NR 007
   01 ACTIVE TROPICAL CYCLONE IN NORTHIO
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

PAGE 02 RUEOMCB0345 UNCLAS
    ---
   WARNING POSITION:
   191800Z9 --- 21.3N6 90.5E4
     MOVEMENT PAST SIX HOURS - 360 DEGREES AT 04 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 025 NM
   RADIUS OF 035 KT WINDS - 060 NM SOUTHEAST SEMICIRCLE
                                   OVER WATER
                            040 NM ELSEWHERE OVER WATER
   REPEAT POSIT: 21.3N6 90.5E4
    ---
   FORECASTS:
   12 HRS, VALID AT:
   200600Z8 --- 22.4N8 90.6E5
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   RADIUS OF 050 KT WINDS - 025 NM OVER WATER
   RADIUS OF 035 KT WINDS - 060 NM EAST SEMICIRCLE

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                                   OVER WATER
                            040 NM ELSEWHERE OVER WATER
   VECTOR TO 24 HR POSIT: 010 DEG/ 06 KTS
    ---
   24 HRS, VALID AT:
   201800Z1 --- 23.6N1 90.8E7
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   RADIUS OF 050 KT WINDS - 020 NM OVER WATER
   RADIUS OF 035 KT WINDS - 060 NM EAST SEMICIRCLE
                                   OVER WATER
                            045 NM ELSEWHERE OVER WATER
   VECTOR TO 36 HR POSIT: 015 DEG/ 06 KTS
    ---
   36 HRS, VALID AT:
   210600Z9 --- 24.7N3 91.1E1
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   VECTOR TO 48 HR POSIT: 020 DEG/ 06 KTS
    ---

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   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   211800Z2 --- 25.8N5 91.6E6
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
192100Z3 POSITION 21.6N9   90.5E4.
TROPICAL CYCLONE 01B IS MOVING NORTHWARD AT 4 KNOTS.  THE
SYSTEM HAS DECREASED ITS FORWARD MOTION.  POSSIBLY DUE TO THE
INFLUENCE OF INCREASED RIDGING TO ITS WEST.  HOWEVER, THIS IS
EXPECTED TO BE TEMPORARY WITH THE TC 01B REGAINING A MODERATE
NORTHWARD MOVEMENT WITHIN THE NEXT 6 HOURS AND CONTINUE IN
THIS DIRECTION THROUGH 24 HOURS.  AFTERWARDS, AN INCREASINGLY
ZONAL STEERING ENVIRONMENT SHOULD INDUCE AN EASTWARD COMPONENT
TO THE SYSTEM'S MOTION.  MAXIMUM SIGNIFICANT WAVE HEIGHT AT
191800Z IS 15 FEET.  REFER TO WWIO31 PGFW FOR ADDITIONAL SEA
HEIGHT INFORMATION.  NEXT WARNINGS AT 200300Z5 (DTG 200151Z9),
200900Z1 (DTG 200751Z5), 201500Z8 (DTG 201351Z2) AND 202100Z5
(DTG 201951Z8).//
BT
#0345

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