
WTXS32 PGTW 092100
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 22S (JOKWE) WARNING NR 011
02 ACTIVE TROPICAL CYCLONES IN SOUTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
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WARNING POSITION:
091800Z --- NEAR 18.9S 39.3E
MOVEMENT PAST SIX HOURS - 175 DEGREES AT 12 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS -
085 KT, GUSTS 105 KT WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
105 NM SOUTHEAST QUADRANT
095 NM SOUTHWEST QUADRANT
075 NM NORTHWEST QUADRANT
REPEAT POSIT: 18.9S 39.3E
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FORECASTS:
12 HRS, VALID AT:
100600Z --- 20.4S 39.2E
MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
085 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 180 DEG/ 08 KTS
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24 HRS, VALID AT:
101800Z --- 21.9S 39.2E
MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
090 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 190 DEG/ 06 KTS
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36 HRS, VALID AT:
110600Z --- 23.1S 39.0E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT
095 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
075 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 195 DEG/ 05 KTS
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EXTENDED OUTLOOK:
48 HRS, VALID AT:
111800Z --- 24.0S 38.7E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
---
REMARKS:
092100Z POSITION NEAR 19.3S 39.3E.
TROPICAL CYCLONE (TC) 22S (JOKWE) LOCATED APPROXIMATELY 435 NM WEST
OF ANTANANARIVO, MADAGASCAR, HAS TRACKED SOUTHWARD AT 12 KNOTS OVER
THE PAST 06 HOURS. TC 22S HAS TRACKED ALONG THE WESTERN PERIPHERY
OF A SUBTROPICAL STEERING RIDGE TO THE EAST. WARM WATER AND GOOD
POLEWARD OUTFLOW INTO AN UPPER LEVEL LOW TO THE SOUTH OF THE STORM
HAS ALLOWED FOR INTENSIFICATION OVER THE PAST 12 HOURS. THE SYSTEM
IS EXPECTED TO CONTINUE TRACKING ALONG THE CURRENT STEERING RIDGE
TOWARD THE AFOREMENTIONED UPPER LEVEL LOW. THIS LOW PRESSURE AREA
IS CUTOFF FROM THE MID-LATITUDE FLOW PATTERN AND WILL LOITER IN THE
SOUTHERN MOZAMBIQUE CHANNEL DURING THE NEXT SEVERAL DAYS. TC 22S
WILL GRADUALLY MOVE CLOSER TO THIS LOW DURING THE FORECAST PERIOD.
INTERACTION OF THE TWO CIRCULATIONS WILL BEGIN AFTER TAU 24 AS
THE TRACK OF TC 22S SLOWS AND TURNS SLIGHTLY SOUTHWESTWARD. GOOD
POLEWARD OUTFLOW AND FAVORABLE OCEAN HEAT CONTENT WILL ALLOW TC
22S TO MAINTAIN INTENSITY OVER NEXT 12 HOURS, BUT ENHANCED UPPER
LEVEL WESTERLIES ALONG THE NORTHERN PERIPHERY OF THE UPPER LEVEL
LOW WILL RESULT IN SOME WEAKENING AFTER TAU 24. INTERACTION BETWEEN
THE TC AND THE NON-TROPICAL LOW TO THE SOUTHWEST MAY LEAD TO AN
EVENTUAL MERGER OF THE TWO CIRCULATIONS, WHICH SHOULD FURTHER WEAKEN
THE TC. HOWEVER, THIS MERGER WILL PROBABLY NOT BE COMPLETE UNTIL
AFTER THE CURRENT FORECAST PERIOD. THE TRACK AND INTENSITY FORECASTS
REMAIN CLOSE TO THEIR RESPECTIVE NUMERICAL AND STATISTICAL MODEL
CONSENSUSES. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 091800Z IS 32 FEET.
NEXT WARNINGS AT 100900Z AND 102100Z. REFER TO TROPICAL CYCLONE 23S
(KAMBA) WARNINGS (WTXS31 PGTW) FOR TWELVE-HOURLY UPDATES.//