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Date:	Wed, 28 Jan 1998 22:12:23 -0600
Reply-To: [email-masked]
Sender: WX-TROPL Tropical Storm and Hurricane WX products <[email-masked]>
From:	SIU Weather Processor <[email-masked]>
Subject:      Indian-S:    02 Active Tropical Cyclones In Southern Hemisphere
To:	Multiple recipients of list WX-TROPL <[email-masked]>
Status: RO

263
WTXS31 PGTW 290300
1. TROPICAL CYCLONE 15S (TIFFANY) WARNING NR 015
02 ACTIVE TROPICAL CYCLONES IN SOUTHERN HEMISPHERE
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
290000Z1 --- 19.5S5 109.9E9
MOVEMENT PAST SIX HOURS - 270 DEGREES AT 09 KTS

PAGE 02 RUHPSGG2108 UNCLAS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
RADIUS OF 050 KT WINDS - 055 NM SOUTH SEMICIRCLE
045 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 090 NM SOUTH SEMICIRCLE
075 NM ELSEWHERE
REPEAT POSIT: 19.5S5 109.9E9
---
FORECASTS:
12 HRS, VALID AT:
291200Z4 --- 19.6S6 108.0E9
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
RADIUS OF 050 KT WINDS - 050 NM SOUTH SEMICIRCLE
040 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 085 NM SOUTH SEMICIRCLE
070 NM ELSEWHERE
VECTOR TO 24 HR POSIT: 255 DEG/ 09 KTS
---

PAGE 03 RUHPSGG2108 UNCLAS
24 HRS, VALID AT:
300000Z3 --- 20.0S2 106.1E8
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
RADIUS OF 050 KT WINDS - 040 NM SOUTH SEMICIRCLE
035 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 080 NM SOUTH SEMICIRCLE
070 NM ELSEWHERE
VECTOR TO 36 HR POSIT: 250 DEG/ 09 KTS
---
36 HRS, VALID AT:
301200Z6 --- 20.6S8 104.2E7
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
RADIUS OF 050 KT WINDS - 035 NM SOUTHEAST SEMICIRCLE
030 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 075 NM SOUTHEAST SEMICIRCLE
065 NM ELSEWHERE
VECTOR TO 48 HR POSIT: 245 DEG/ 09 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:

PAGE 04 RUHPSGG2108 UNCLAS
310000Z4 --- 21.4S7 102.4E7
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
RADIUS OF 035 KT WINDS - 070 NM SOUTHEAST SEMICIRCLE
060 NM ELSEWHERE
---
REMARKS:
290300Z4 POSITION 19.5S5  109.4E4
TROPICAL CYCLONE 15S (TIFFANY) IS MOVING WESTWARD AT 09 KNOTS.
THE SYSTEM HAS ENCOUNTERED SIGNIFICANT VERTICAL WINDSHEAR OVER
THE PREVIOUS 12 HOURS. THIS HAS REDUCED THE SYSTEM'S INTENSITY
AS WELL AS ITS CONVECTIVE COVERAGE. TC 15S (TIFFANY) IS
EXPECTED TO REMAIN IN A HIGH VERTICAL WINDSHEAR ENVIRONMENT.
THE SYSTEM IS FORECAST TO BEGIN MOVING WEST-SOUTHWESTWARD NEAR
12 HOURS AND CONTINUE IN THIS DIRECTION FOR THE REMAINDER OF
THE FORECAST PERIOD. THE WARNING POSITION AND INTENSITY ARE
BASED ON 282330Z VISIBLE SATELLITE IMAGERY. MAXIMUM SIGNIFICANT
WAVE HEIGHT AT 290000Z IS 20 FEET. NEXT WARNINGS AT 291500Z7
(DTG 291351Z1) AND 300300Z6 (DTG 300151Z0). REFER TO TROPICAL
CYCLONE 14P (LES) WARNINGS (WTXS32 PGTW) FOR SIX-HOURLY
UPDATES.//

PAGE 05 RUHPSGG2108 UNCLAS
BT
#2108

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