Direction Interrégionale de LA REUNION
B.P.4    97491 Ste Clotilde Cedex
Téléphone                02.62.92.11.00
Fax exploitation      02.62.92.11.48
Fax direction           02.62.92.11.47

WTIO20 FMEE 101800 SECURITE GALE WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 10/01/2009 AT 1800 UTC. WARNING NUMBER: 011/05 (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 HECTOPASCALS (HPA) (INDICATIVE FIGURE). GALE WARNING BEGINNING OF VALIDITY: SATURDAY 10/01/2009 AT 1800 UTC. PHENOMENON: MODERATE TROPICAL STORM 5 (DONGO) 990 HPA POSITION: WITHIN 20 NM RADIUS OF POINT 19.6S / 67.8E (NINETEEN DECIMAL SIX DEGREES SOUTH AND SIXTY SEVEN DECIMAL EIGHT DEGREES EAST) AT 1800 UTC MOVEMENT: SOUTH-SOUTH-EAST 8 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 170 NM RADIUS FROM THE CENTER, EXTENDING UP TO 420 NM IN THE NORTHERN SECTOR AND UP TO 550 NM IN THE SOUTH EASTERN QUADRANT. GALE FORCE WINDS 35/40 KT NEAR THE CENTER AND ROUGH TO VERY ROUGH SEAS EXTENDING UP TO 90 NM IN THE NORTHEASTERN QUADRANT. NEAR GALE FORCE WINDS 30 KT AND ROUGH SEAS WITHIN 70 NM RADIUS FROM THE CENTER EXTENDING UP TO 150 NM IN THE SOUTHWESTERN, SOUTHEASTERN AND THE NORTHEASTERN QUADRANTS. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/01/11 AT 06 UTC: 21.7S / 68.5E, MAX WIND = 50 KT, SEVERE TROP. STORM. 24H, VALID 2009/01/11 AT 18 UTC: 24.4S / 69.3E, MAX WIND = 60 KT, SEVERE TROP. STORM. OTHER INFORMATIONS: FORECASTED SOUTH-SOUTHEASTWARDS RECURVING TRAJECTORY HAS BEGAN (150°/8KT) AND DONGO IS EXPECTED TO STAY ON THIS TRACK WITHIN THE NEXT DAYS. THIS SYSTEM STILL SHOWS CHARACTERISTICS OF AN HYBRID LOW BETWEEN CLASSICAL TROPICAL LOW AND MONSOON ONE. ENVIRONMENTAL CONDITIONS ARE FAVOURABLE FOR INTENSIFICATION WITHIN THE NEXT 36 HOURS, SYSTEM SHOULD REACH THE SEVERE TROPICAL STORM STAGE.