WWST02 SBBR 201120
1 31 05 02 12 20
SECURITE
WARNING NR 324/2021
SPECIAL WARNING
ISSUED AT 1030 UTC – TER - 20/ABR/2021
SUBTROPICAL STORM "POTIRA" WITH ESTIMATED CENTRAL PRESSURE OF 1006
HPA AT 26S041.5W, MOVING TO EAST AND AFTER TO SOUTHWEST/SOUTH WITH
ESTIMATED MAXIMUM WINDS 47 KT ON CYCLONE SOUTH SECTOR.
FORECAST: CYCLONIC WIND FORCE 8/10 (34-55 KNOTS) WITH GUSTS WITHIN
100NM AROUND THE CENTER AND WIND W/SW FORCE 7 (28-33 KNOTS) NEAR THE
COAST OVER AREA CHARLIE EAST OF 046W AND AREA DELTA SOUTH OF 21S.
ROUGH/VERY ROUGH SEA ASSOCIATED.
ESTIMATED POSITION:
210000 UTC: 25.1S039.1W - 1006 HPA - ESTIMATED MAXIMUM SUSTAINED
WIND 35-40 KNOTS - SUBTROPICAL STORM
211200 UTC: 24.9S038.2W -1004 HPA – ESTIMATED MAXIMUM SUSTAINED
WIND 35-45 KNOTS - SUBTROPICAL STORM
220000 UTC: 26.2S037.6W -1004 HPA – ESTIMATED MAXIMUM SUSTAINED
WIND 40-50 KNOTS - SUBTROPICAL STORM
221200 UTC: 27.1S037.7W -1000 HPA – ESTIMATED MAXIMUM SUSTAINED
WIND 40-55 KNOTS - SUBTROPICAL STORM
230000 UTC: 27.2S038.6W -1002 HPA – ESTIMATED MAXIMUM SUSTAINED
WIND 40-55 KNOTS - SUBTROPICAL STORM
VALID UNTIL 230000 UTC.
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