WTIO22 FMEE 190615
SECURITE
STORM WARNING FOR METAREA VII AND METAREA VIII (S)
ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTER/LA REUNION 19/01/2023
AT 0600 UTC.
WARNING NUMBER: 009/5 (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: THURSDAY 19/01/2023 AT 0600 UTC.

PHENOMENON: SEVERE TROPICAL STORM 5 (CHENESO) 991 HPA
POSITION: WITHIN 10 NM RADIUS OF POINT 14.6 S / 50.5 E
(FOURTEEN    DECIMAL SIX   DEGREES SOUTH AND
FIFTY    DECIMAL FIVE   DEGREES EAST) AT 0600 UTC
MOVEMENT: SOUTH-WEST 9 KT

THREAT AREAS:
SQUALLY WEATHER WITHIN A 200 NM RADIUS AROUND THE CENTER, EXTENDING
UP TO 350 NM IN THE NORTHWESTERN QUADRANT AND UP TO 400 NM IN THE
SOUTHERN SEMI-CERCLE.

STORM FORCE WINDS 50 KT AND HIGH TO VERY HIGH SEAS WITHIN A 20 NM
RADIUS FROM THE CENTRE, EXTENDING UP TO 30 NM IN THE NORTHERN
SEMI-CIRCLE.
GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 35 NM
RADIUS FROM THE CENTRE, EXTENDING UP TO 60 NM IN THE SOUTH-EASTERN
QUADRANT, UP TO 65 NM IN THE NORTH-EASTERN QUADRANT AND UP TO 70 NM
IN THE NORTH-WESTERN QUADRANT.
NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 110
NM RADIUS FROM THE CENTRE, EXTENDING UP TO 125 NM IN THE
SOUTH-EASTERN QUADRANT, UP TO 140 NM IN THE NORTH-WESTERN QUADRANT
AND UP TO 170 NM IN THE NORTH-EASTERN QUADRANT.
STRONG GUSTS UNDER SQUALLS.

FORECAST POSITION AND INTENSITY:
12H, VALID 2023/01/19 AT 18 UTC:
15.5 S / 49.5 E, MAX WIND = 30 KT, OVERLAND DEPRESSION
28 KT NE: 170 NM SE: 170 NM SW: 0 NM NW: 160 NM

24H, VALID 2023/01/20 AT 06 UTC:
16.2 S / 48.8 E, MAX WIND = 30 KT, OVERLAND DEPRESSION
28 KT NE: 15 NM SE: 190 NM SW: 5 NM NW: 210 NM

OTHER INFORMATION:
ONCE OVER LAND, THIS SYSTEM WILL GENERATE NEAR GALE FORCE WINDS AND
LOCALLY GALE FORCE WINDS ALONG THE EAST AND NORTHWEST COASTS OF
MADAGASCAR FOR THE NEXT 24 TO 36 HOURS.=