WTIO20 FMEE 291210

SECURITE

STORM WARNING FOR METAREA VIII (S)

ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTER/LA REUNION 29/04/2018

AT

1200 UTC.

WARNING NUMBER: 004/9 (SOUTH-WEST INDIAN OCEAN)



10 MINUTES AVERAGE WIND SPEED IN KNOTS (KT)

(WIND GUSTS AT SEA MAY BE ABOUT 40% STRONGER THAN THE AVERAGED WIND)

MINIMUM SEA LEVEL PRESSURE IN HECTOPASCAL (HPA)

(INDICATIVE FIGURE).



STORM WARNING

BEGINNING OF VALIDITY: SUNDAY 29/04/2018 AT 1200 UTC.



PHENOMENON: SEVERE TROPICAL STORM 9  (FLAMBOYAN)  988 HPA

POSITION: WITHIN 25 NM RADIUS OF POINT 12.9 S / 86.1 E

(TWELVE    DECIMAL NINE   DEGREES SOUTH AND

EIGHTY SIX    DECIMAL ONE   DEGREES EAST) AT 1200 UTC

MOVEMENT: WEST-SOUTH-WEST 15 KT



THREAT AREAS:

SQUALLY WEATHER IN A 200 NM RADIUS FROM THE CENTER, EXTENDING UP TO

300 NM IN THE SOUTH-EASTERN QUADRANT.

STORM FORCE WINDS 50/55 KT AND HIGH TO VERY HIGH SEAS WITHIN A 25 NM

RADIUS FROM THE CENTRE, EXTENDING UP TO 35 NM IN THE SOUTHERN

SEMI-CIRCLE.

GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 40 NM

RADIUS FROM THE CENTRE, EXTENDING UP TO 50 NM IN THE NORTH-EASTERN

QUADRANT AND UP TO 100 NM IN THE SOUTHERN SEMI-CIRCLE.

NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 90

NM RADIUS FROM THE CENTRE, EXTENDING UP TO 100 NM IN THE

NORTH-EASTERN QUADRANT, UP TO 150 NM IN THE SOUTH-EASTERN QUADRANT

AND UP TO 170 NM IN THE SOUTH-WESTERN QUADRANT.

STRONG GUSTS UNDER SQUALLS.

FORECAST POSITION AND INTENSITY:

12H, VALID 2018/04/30 AT 00 UTC:

14.2 S / 84.4 E, MAX WIND = 65 KT, TROPICAL CYCLONE

24H, VALID 2018/04/30 AT 12 UTC:

15.2 S / 83.7 E, MAX WIND = 55 KT, SEVERE TROPICAL STORM



OTHER INFORMATIONS:

NIL.=