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Date:	Fri, 26 Dec 1997 08:26:37 -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:    01 Active Tropical Cyclone In Southern Hemisphere
To:	Multiple recipients of list WX-TROPL <[email-masked]>
Status: RO

278
WTXS31 PGTW 261500
1. TROPICAL CYCLONE 08S (SID) WARNING NR 002
01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
261200Z1 --- 11.1S3 133.2E9
MOVEMENT PAST SIX HOURS - 090 DEGREES AT 05 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
RADIUS OF 035 KT WINDS - 045 NM NORTH SEMICIRCLE
OVER WATER
035 NM ELSEWHERE OVER WATER
REPEAT POSIT: 11.1S3 133.2E9
---
FORECASTS:
12 HRS, VALID AT:
270000Z9 --- 11.2S4 134.2E0
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
RADIUS OF 035 KT WINDS - 055 NM NORTH SEMICIRCLE
040 NM ELSEWHERE
VECTOR TO 24 HR POSIT: 110 DEG/ 05 KTS
---
24 HRS, VALID AT:
271200Z2 --- 11.6S8 135.2E1
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
RADIUS OF 035 KT WINDS - 055 NM NORTH SEMICIRCLE
040 NM ELSEWHERE
VECTOR TO 36 HR POSIT: 120 DEG/ 06 KTS
---
36 HRS, VALID AT:
280000Z0 --- 12.2S5 136.2E2
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
RADIUS OF 050 KT WINDS - 020 NM NORTHEAST SEMICIRCLE
OVER WATER
015 NM ELSEWHERE OVER WATER
RADIUS OF 035 KT WINDS - 060 NM NORTHEAST SEMICIRCLE
OVER WATER
050 NM ELSEWHERE OVER WATER
VECTOR TO 48 HR POSIT: 125 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
281200Z3 --- 12.9S2 137.2E3
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST SEMICIRCLE
020 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 060 NM NORTHEAST SEMICIRCLE
OVER WATER
050 NM ELSEWHERE OVER WATER
---
REMARKS:
261500Z4 POSITION 11.1S3  133.5E2
TROPICAL CYCLONE 08S (SID) IS MOVING SLOWLY EASTWARD AT
05 KNOTS.  THE WARNING POSITION IS BASED UPON 261130Z3
ENHANCED INFRARED SATELLITE IMAGERY AND CONTINUITY WITH
A SYNOPTIC FIX AT 260300Z1 FROM WMO NUMBERS 94135 AND
94134.  SATELLITE IMAGERY CONTINUES TO INDICATE THAT THE
SYSTEM IS STILL INTENSIFYING.  THE WARNING INTENSITY IS
BASED UPON CONTINUITY FROM THE PREVIOUS WARNING AND
OBSERVATIONS FROM MCCLUER ISLAND (WMO NUMBER 94135)
INDICATING 35 KNOT SUSTAINED WINDS AT 260500Z3 AS THE
SYSTEM PASSED NEARBY.  THE SYSTEM SHOULD INTENSIFY SLOWLY
AS IT IS LOCATED IN CLOSE PROXIMITY TO LAND DURING THE
FORECAST PERIOD.  THE FORECAST TRACK OF TROPICAL CYCLONE
08S (SID) SHOULD CONTINUE TO BE STEERED EASTWARD BY NEAR
EQUATORIAL RIDGING TO ITS NORTH FOR THE NEXT 12 HOURS.
AFTERWARD, TROPICAL CYCLONE 08S (SID) SHOULD BE STEERED
IN A MORE SOUTHEASTWARD DIRECTION DUE TO THE INFLUENCE OF
THE SUBTROPICAL RIDGE AXIS WHICH EXTENDS EAST AND
SOUTHEAST OF THE CYCLONE.  MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 261200Z IS 13 FEET.  REFER TO WWIO31 PGFW FOR
ADDITIONAL SEA HEIGHT INFORMATION.  NEXT WARNINGS AT
270300Z2 (DTG 270151Z6) AND 271500Z5 (DTG 271351Z9).//

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