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Date:	Wed, 20 May 1998 01:50:57 -0500
Reply-To: [email-masked]
Sender: WX-TROPL Tropical Storm and Hurricane WX products <[email-masked]>
From:	SIU Weather Processor <[email-masked]>
Subject:      Indian-N: Dhaka And Amembassy New Delhi
To:	Multiple recipients of list WX-TROPL <[email-masked]>
Status: RO

283
WTIO31 PGTW 200300 AMD
IMMEDIATE DELIVERY REQ TO AMCONSUL CALCUTTA, AMEMBASSY
DHAKA AND AMEMBASSY NEW DELHI
1. TROPICAL CYCLONE 01B WARNING NR 008A AMENDED
01 ACTIVE TROPICAL CYCLONE IN NORTH IO

PAGE 02 RUEOMCC3470 UNCLAS
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
200000Z2 --- 21.8N1 91.6E6
MOVEMENT PAST SIX HOURS - 020 DEGREES AT 05 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
RADIUS OF 050 KT WINDS - 020 NM OVER WATER
RADIUS OF 035 KT WINDS - 055 NM SOUTHEAST SEMICIRCLE
OVER WATER
045 NM ELSEWHERE OVER WATER
REPEAT POSIT: 21.8N1 91.6E6
---
FORECASTS:
12 HRS, VALID AT:
201200Z5 --- 22.6N0 92.0E1
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
RADIUS OF 050 KT WINDS - 020 NM OVER WATER

PAGE 03 RUEOMCC3470 UNCLAS
RADIUS OF 035 KT WINDS - 055 NM SOUTHEAST SEMICIRCLE
OVER WATER
045 NM ELSEWHERE OVER WATER
VECTOR TO 24 HR POSIT: 020 DEG/ 05 KTS
---
24 HRS, VALID AT:
210000Z3 --- 23.5N0 92.4E5
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 035 KT WINDS - 040 NM SOUTHEAST SEMICIRCLE
OVER WATER
030 NM ELSEWHERE OVER WATER
VECTOR TO 36 HR POSIT: 025 DEG/ 03 KTS
---
36 HRS, VALID AT:
211200Z6 --- 24.1N7 92.7E8
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 48 HR POSIT: 020 DEG/ 05 KTS
---

PAGE 04 RUEOMCC3470 UNCLAS
EXTENDED OUTLOOK:
48 HRS, VALID AT:
220000Z4 --- 25.0N7 93.1E3
MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
200300Z5 POSITION 22.0N4   91.7E7.
TROPICAL CYCLONE 01B HAS BEEN TRACKING NORTH-NORTHEASTWARD AT
5 KNOTS OVER THE PAST 6 HOURS.  JUSTIFICATION: A 200113Z7
MICROWAVE IMAGER PASS INDICATES THAT TROPICAL CYCLONE 01B HAS
DEVELOPED AN EYE AND THAT ITS ACTUAL POSITION IS APPROXIMATELY
30 NM FARTHER TO THE EAST THAN PREVIOUSLY REPORTED.  BOTH
200230Z7 VISIBLE SATELLITE IMAGERY AND A 200246Z4 MICROWAVE
IMAGER PASS INDICATES THAT THE TROPICAL CYCLONE 01B IS MAKING
LANDFALL NEAR CHITTAGONG, BANGLADESH. PREVIOUS FORECAST
PHILOSOPHY REMAINS THE SAME.  MAXIMUM SIGNIFICANT WAVE HEIGHT
AT 200000Z IS 15 FEET.  REFER TO WWIO31 PGFW FOR ADDITIONAL
SEA HEIGHT INFORMATION.  NEXT WARNINGS AT 200900Z1 (DTG
200751Z5), 201500Z8 (DTG 201351Z2), 202100Z5 (DTG 201951Z8)

PAGE 05 RUEOMCC3470 UNCLAS
AND 210300Z6 (DTG 210151Z0).//
BT
#3470

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