WTXS31 PGTW 242100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 29S (JOBO) WARNING NR 009//
RMKS/
1. TROPICAL CYCLONE 29S (JOBO) WARNING NR 009
01 ACTIVE TROPICAL CYCLONE IN SOUTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
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WARNING POSITION:
241800Z --- NEAR 8.0S 39.0E
MOVEMENT PAST SIX HOURS - 260 DEGREES AT 07 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
REPEAT POSIT: 8.0S 39.0E
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FORECASTS:
12 HRS, VALID AT:
250600Z --- 8.0S 38.2E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
242100Z POSITION NEAR 8.0S 38.8E.
24APR21. TROPICAL CYCLONE (TC) 29S (JOBO), LOCATED APPROXIMATELY 73
NM SOUTH-SOUTHWEST OF DAR ES SALAAM, TANZANIA, HAS TRACKED WESTWARD
AT 07 KNOTS OVER THE PAST SIX HOURS. TC JOBO WEAKENED RAPIDLY AS IT
APPROACHED THE TANZANIAN COAST WITH LITTLE EVIDENCE OF A COHESIVE
LOW-LEVEL CIRCULATION (LLC). A 241801Z ASCAT-A IMAGE INDICATES
CONVERGENT SOUTHEASTERLY TO SOUTHERLY FLOW (10-20 KNOTS) ALONG THE
COAST WITH WEAK TROUGHING ALONG 8S. ANIMATED ENHANCED INFRARED
SATELLITE IMAGERY AND A 241623Z SSMIS 91GHZ IMAGE REVEAL HEAVY
CONVECTION WITHIN THE CONVERGENT FLOW TO THE SOUTH AND NO EVIDENCE
OF AN LLC AS REFLECTED IN THE ASCAT DATA. THUS, IMAGERY SUGGESTS THE
SYSTEM HAS ALREADY DISSIPATED AS A WEAK 20-25 KNOT SYSTEM. THE
REMNANTS ARE FORECAST TO TRACK INLAND OVER THE NEXT 12 HOURS WITH
HEAVY RAINFALL BEING THE PRIMARY IMPACT TO TANZANIA. THIS IS THE
FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL
HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF
REGENERATION.//
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2.A POSITION 2021/04/23 AT 1800 UTC:
WITHIN 20 NM RADIUS OF POINT 8.2 S / 42.3 E
(EIGHT DECIMAL TWO DEGREES SOUTH AND
FORTY TWO DECIMAL THREE DEGREES EAST)
MOVEMENT: WEST-NORTH-WEST 9 KT
3.A DVORAK ANALYSIS: 3.0/3.5/W 0.5/6 H
4.A CENTRAL PRESSURE: 998 HPA
5.A MAX AVERAGE WIND SPEED (10 MN): 40 KT
RADIUS OF MAXIMUM WINDS (RMW): NIL