Subject: Indian-S: 03 Active Tropical Cyclones In Southern Hemisphere

From: SIU Weather Processor <[email-masked]>
Date: Tue, 16 Mar 1999 20:00:01 -0600

999
WTXS33 PGTW 170300
1. TROPICAL CYCLONE 29S WARNING NR 001
   03 ACTIVE TROPICAL CYCLONES IN SOUTHERN HEMISPHERE
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   170000Z8 --- NEAR 13.4S8 73.8E8
     MOVEMENT PAST SIX HOURS - 245 DEGREES AT 02 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   REPEAT POSIT: 13.4S8 73.8E8
    ---
   FORECASTS:
   12 HRS, VALID AT:
   171200Z1 --- 13.6S0 73.2E2
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   RADIUS OF 035 KT WINDS - 040 NM NORTH SEMICIRCLE
                            050 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 250 DEG/ 07 KTS
    ---
   24 HRS, VALID AT:
   180000Z9 --- 14.0S5 71.9E7
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   RADIUS OF 035 KT WINDS - 075 NM NORTH SEMICIRCLE
                            085 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 260 DEG/ 08 KTS
    ---
   36 HRS, VALID AT:
   181200Z2 --- 14.3S8 70.3E0
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 040 NM NORTH SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 100 NM NORTH SEMICIRCLE
                            090 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 260 DEG/ 10 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   190000Z0 --- 14.6S1 68.2E6
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   RADIUS OF 050 KT WINDS - 050 NM NORTH SEMICIRCLE
                            060 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 100 NM NORTH SEMICIRCLE
                            120 NM ELSEWHERE
    ---
REMARKS:
170300Z1 POSITION NEAR 13.5S9   73.6E6. TROPICAL CYCLONE 29S HAS
FORMED IN THE SOUTH INDIAN OCEAN AND IS MOVING WEST-SOUTHWESTWARD
AT 2 KNOTS.  THE SYSTEM IS EXPECTED TO CONTINUE MOVING WEST-
SOUTHWESTWARD UNDER THE STEERING INFLUENCE OF THE SUBTROPICAL
RIDGE TO ITS SOUTH.  THE CYCLONE IS IN A LOW VERTICAL WIND SHEAR
ENVIRONMENT, WHICH SHOULD ALLOW INTENSIFICATION AT A NORMAL RATE.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 170000 IS 14 FEET.
THIS WARNING SUPERSEDES AND CANCELS NAVPACMETOCCEN 160851Z MAR 99
TROPICAL CYCLONE FORMATION ALERT (WTXS23 PGTW 160900 )
REFER TO TROPICAL CYCLONE 28S (ELAINE) WARNINGS (WTXS32 PGTW)
FOR TWELVE-HOURLY UPDATES.
//

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