Subject: Indian-S: 1. Tropical Cyclone 32s (gwenda) Warning Nr 009

From: SIU Weather Processor <[email-masked]>
Date: Wed, 7 Apr 1999 08:39:05 -0500

999
WTXS32 PGTW 071500
SUBJ:  TROPICAL CYCLONE WARNING
1. TROPICAL CYCLONE 32S (GWENDA) WARNING NR 009
   02 ACTIVE TROPICAL CYCLONES IN SOUTHERN HEMISPHERE
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   071200Z0 --- NEAR 19.6S6 118.2E2
     MOVEMENT PAST SIX HOURS - 145 DEGREES AT 13 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   RADIUS OF 050 KT WINDS - 040 NM EAST SEMICIRCLE
                            030 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 115 NM EAST SEMICIRCLE
                                   OVER WATER
                            090 NM ELSEWHERE OVER WATER
   REPEAT POSIT: 19.6S6 118.2E2
    ---
   FORECASTS:
   12 HRS, VALID AT:
   080000Z8 --- 21.2S5 119.3E4
   MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   RADIUS OF 050 KT WINDS - 025 NM OVER WATER
   RADIUS OF 035 KT WINDS - 070 NM EAST SEMICIRCLE
                                   OVER WATER
                            055 NM ELSEWHERE OVER WATER
   VECTOR TO 24 HR POSIT: 160 DEG/ 11 KTS
    ---
   24 HRS, VALID AT:
   081200Z1 --- 23.3S8 120.1E4
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   RADIUS OF 035 KT WINDS - 060 NM EAST SEMICIRCLE
                                   OVER WATER
                            045 NM ELSEWHERE OVER WATER
    ---
REMARKS:
071500Z3 POSITION NEAR 20.0S2  118.5E5.
TROPICAL CYCLONE (TC) 32S (GWENDA) HAS TRACKED SOUTHWESTWARD OFF THE
NORTHWEST COAST OF AUSTRALIA AT 13 KNOTS OVER THE PAST 06 HOURS. THE
WARNING POSITION AND INTENSITY ARE BASED UPON 071130Z2 ANIMATED
INFRARED SATELLITE IMAGERY WITH INTENSITY ESTIMATES OF 90 AND 115
KNOTS. SATELLITE IMAGERY INDICATES THE SYSTEM IS WEAKENING AS IT
BEGINS TO MAKE LANDFALL. STRONG VERTICAL WIND SHEAR AND LANDFALL
SHOULD DISSIPATE THE SYSTEM OVER WESTERN AUSTRALIA IN THE NEXT 12 TO
24 HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 071200Z0 IS 22 FEET.
NEXT WARNINGS AT 072100Z0 (DTG 071953Z5), 080300Z1 (DTG 080153Z7),
AND 080900Z7 (DTG 080753Z3). REFER TO TROPICAL CYCLONE 31S
(FREDERIC-EVRINA) WARNING (WTXS31 PGTW) FOR FINAL UPDATE.//
BT
#0009

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