Subject: Indian-S: 1. Tropical Cyclone 30s (vance) Warning Nr 016

From: SIU Weather Processor <[email-masked]>
Date: Mon, 22 Mar 1999 07:43:37 -0600

999
WTXS34 PGTW 221500
SUBJ:  TROPICAL CYCLONE WARNING
1. TROPICAL CYCLONE 30S (VANCE) WARNING NR 016
   01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   221200Z7 --- NEAR 24.9S5 115.0E7
     MOVEMENT PAST SIX HOURS - 160 DEGREES AT 20 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 WATER
   RADIUS OF 035 KT WINDS - 110 NM NORTHEAST SEMICIRCLE
                                   OVER WATER
                            090 NM ELSEWHERE OVER WATER
   REPEAT POSIT: 24.9S5 115.0E7
    ---
   FORECASTS:
   12 HRS, VALID AT:
   230000Z5 --- 28.1S1 117.3E2
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   VECTOR TO 24 HR POSIT: 140 DEG/ 20 KTS
    ---
   24 HRS, VALID AT:
   231200Z8 --- 31.3S7 120.2E5
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
221500Z0 POSITION NEAR 25.7S4 115.6E3.
TROPICAL CYCLONE 30S (VANCE) HAS TRACKED SOUTH-SOUTHEASTWARD AT 20
KNOTS FOR THE PAST SIX HOURS. SATELLITE CURRENT INTENSITY ESTIMATES
INDICATE THE SYSTEM HAS DECREASED INTENSITY TO NEAR T4.0 (65
KNOTS). TC 30S (VANCE) IS FORECAST TO CONTINUE RAPIDLY DISSIPATING
DUE TO INTERACTION WITH LAND AND THE ENTRAINMENT OF DRY AIR. THE
SYSTEM IS FORECAST TO CONTINUE ACCELERATING SOUTH-SOUTHEASTWARD AS
THE SYSTEM WEAKENS, DISSIPATING OVER LAND BY THE 24 FORECAST PERIOD.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 221200Z7 IS 15 FEET. NEXT
WARNINGS AT 230300Z8 (DTG 230157Z8).//

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