Subject: Indian-N: 1. Tropical Cyclone 04b Warning Nr 007

From: SIU Weather Processor <[email-masked]>
Date: Mon, 18 Oct 1999 03:02:27 -0500

972
WTIO31 PGTW 180900
IMMEDIATE DELIVERY REQ TO AMCONSUL CALCUTTA AND AMEMBASSY DHAKA
1. TROPICAL CYCLONE 04B WARNING NR 007
   01 ACTIVE TROPICAL CYCLONE IN NORTHIO
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   180600Z5 --- NEAR 21.1N4 84.6E8
     MOVEMENT PAST SIX HOURS - 360 DEGREES AT 10 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
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   RADIUS OF 050 KT WINDS - 040 NM NORTHEAST SEMICIRCLE
                                   OVER WATER
                            030 NM ELSEWHERE OVER LAND
   RADIUS OF 035 KT WINDS - 095 NM NORTHEAST SEMICIRCLE
                                   OVER WATER
                            085 NM ELSEWHERE OVER LAND
   REPEAT POSIT: 21.1N4 84.6E8
    ---
   FORECASTS:
   12 HRS, VALID AT:
   181800Z8 --- 23.0N5 84.0E2
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   RADIUS OF 035 KT WINDS - 050 NM NORTHEAST SEMICIRCLE
                                   OVER LAND
                            030 NM ELSEWHERE OVER LAND
   VECTOR TO 24 HR POSIT: 330 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   190600Z6 --- 24.6N2 82.9E9
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
180900Z8 POSITION NEAR 21.6N9  84.5E7.
TROPICAL CYCLONE (TC) 04B HAS TRACKED NORTHWARD OVER EASTERN
INDIA FOR THE PAST 12 HOURS. THE WARNING POSITION AND INTENSITY
ARE BASED UPON ANIMATED 180530Z7 VISIBLE SATELLITE IMAGERY WITH
CURRENT INTENSITY ESTIMATES OF 65 AND 77 KNOTS. TROPICAL CYCLONE
04B IS FORECAST TO CONTINUE TRACKING NORTHWARD AND NORTH-
NORTHWESTWARD UNDER THE POLEWARD FLOW OF THE SUBTROPICAL RIDGE TO
THE EAST THROUGHOUT THE PERIOD. TC 04B SHOULD WEAKEN AND
DISSIPATE AS IT CONTINUES OVER LAND. THIS IS THE FINAL WARNING ON
THIS SYSTEM BY THE JOINT TYPHOON WARNING CENTER (NAVPACMETOCCEN).
THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION.//

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