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Date:	Sun, 17 Jan 1999 01:41:56 -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: 1. Tropical Cyclone 12s (alda) Warning Nr 001
To:	Multiple recipients of list WX-TROPL <[email-masked]>
Status: U

999
WTXS31 PGTW 162100
IMMEDIATE DELIVERY REQ TMPAMEMBASSY PORT LOUIS
1. TROPICAL CYCLONE 12S (ALDA) WARNING NR 001
02 ACTIVE TROPICAL CSNINNTHEVISPHERE
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WARNING POSITION:
161800Z6 --- NEAR 22.7S1 40.8E2
XBEMEMTYP TOJRS - 16--;$3<
33- -5 08 KTS
POSITION ACIURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
TNT LIDISTRIBUTION:
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
REPEAT POSIT: 22.7S1 40.8E2
:730) 12 64-, VALID AT:
170600Z4 --- 24.7S3 41.1E6
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
RADIUS OF 035 KT WINDS - 155 NM EAST SEMICIRCLE
8       #-0>,   0#7;WPNM ELSEWHERE
VECTOR TO 24 HR POSIT: 165 DEG/ 12 KTS
=
24 HRS, VALID AT:
171800Z7 --- 27.1S0 41.8E3
MAX SUSTAINED8,
- 045 KT, GUSTS ;55 KT
BECOMIVG EXTRATROPICAL
RADIUS OF 035 KT WINDS - 175 NM NORTHEAST SEMICIRCLE
110 NM ELSEWHERE
VECTOR TO 36 HR POSIT: 145 DEG/ 16 KTS
36 HRS, VALID AT:
180600Z5 --- 29.7S8 44.0E8
MAX SUSTAINED WINDS - 4./(5, GUSTS 050 KT
0  BECOMING EXTRATROPIAL
NEEDULKT WINDS - RTHEAST SEMICIRCLE
110,
VECTOR TO 48 HR POSIT: 125 DEG/ 20 KOS
EXTENDED OUTLOOK:-
48 HRS, VALID AT:
181800Z8 --- 31.9S3 48.0E2
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
REVAJE162100Z0 POSITION NEAR 23.2S8 40#
E3
908:
) :6:)9,3 1 (ALDA) IS MOVING SOUTH-SOUTHEASTWARD T 08
-KNOTS. THE WAR
NING POSITION AND INTENSITY ARE BASED ON A 161731Z9
INFRARED SATELLITE INTENSITY ET
KLT+.8730 KNOTS). 160701Z5
SCATTEROMETER DATA INDICATES 3(5. (KNOT SURFACE WINDS CONVERGING
ON THE EASTERN SIDE OF THIS SYSTEM. ANIMATINFRARED SATELLITE
IMAGERY LTHIS SYSTEM APPEARS BE DEVELOPING SUBTROPICAL
CHARACTERISTICS. TC 12S (ALDA) IS FORECAST TO ACCELERATE
SOUTHEASTWARD THROUGHOUT THE FORECAST PERIOD AND COMPLETE TRANSITION

INTO AN I8:-) -6-53. ?6 48 HOURS. TH DWTY IS EXPECTED
TO INCREASE SLIGHTLY DUE TO INCREASED TRANSLATIONAL SPEED, THEN
WEAKEN AS THE SYSTEM BECOMES EXTRATROPICAL. WIND RADII ARE
EXTRAPOLATED FROM 160701Z5 SCATTEROMETER DATA. MAXIMUM SIGNIFICANT
WAVE HEIGHT AT 161800Z6 IS 16 FEET. THIS WARNING SUPERSEDES AND
CANCELS NAVPACMETOCCEN 161051Z JAN 99 TROPICAL CYCLONE FORMATION
ALERT (WTXS21 PGTW 161100) FUTURE WARNINGS WILL COMMENCE AT 170300Z1

(DTG 170153Z7) AND 171500Z4 (DTG 171353Z0). REFER TO TROPICAL
CYCLONE 11P (DANI
2,<- (WTPS31 PGTW) FORTWELVE-HOURLY
UPDATES.//

AUTODIN MESSAGE RECEIVD AT AFGWC: RHHMMCA28320170725

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