Subject: Indian-S: Technical Discussion (Automatic)

From: SIU Weather Processor <[email-masked]>
Date: Tue, 28 Jan 1997 02:17:01 -0600

468
WTXS31 PGTW 280900
1. TROPICAL CYCLONE 19S (PANCHO-HELINDA) WARNING NR 018
   03 ACTIVE TROPICAL CYCLONES IN SOUTHIO
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   280600Z6 --- 9.9S8 91.2E2
     MOVEMENT PAST SIX HOURS - 355 DEGREES AT 09 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   RADIUS OF 035 KT WINDS - 100 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   REPEAT POSIT: 9.9S8 91.2E2
    ---
   FORECASTS:
   12 HRS, VALID AT:
   281800Z9 --- 9.4S3 91.0E0
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   RADIUS OF 035 KT WINDS - 100 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 310 DEG/ 03 KTS
    ---
   24 HRS, VALID AT:
   290600Z7 --- 9.0S9 90.5E4
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   RADIUS OF 035 KT WINDS - 100 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 280 DEG/ 03 KTS
    ---
   36 HRS, VALID AT:
   291800Z0 --- 8.9S7 89.9E6
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 050 NM SOUTHEAST SEMICIRCLE
                            030 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 100 NM NORTH SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 280 DEG/ 03 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   300600Z9 --- 8.8S6 89.2E9
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 050 NM NORTH SEMICIRCLE
                            030 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 100 NM NORTH SEMICIRCLE
                            075 NM ELSEWHERE
    ---
REMARKS:
280900Z9 POSITION  9.8S7   91.2E2
TROPICAL CYCLONE 19S (PANCHO-HELINDA) IS TRACKING
NORTHWARD AT 9 KNOTS. THE SYSTEM IS FORECAST TO BEGIN
TRACKING WESTWARD AND TO INTENSIFY THROUGHOUT THE WARNING
PERIOD. NEXT WARNINGS AT 282100Z3 (DTG 281953Z8) AND
290900Z0 (DTG 290753Z6). MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 28/0600Z6 IS 18 FEET. REFER TO TROPICAL CYCLONE
20S (GRETELLE) WARNINGS (WTXS32 PGTW) AND TO TROPICAL
CYCLONE 21S (ILETTA) WARNINGS (WTXS33 PGTW) FOR TWELVE-
HOURLY UPDATES.//

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