ISSUED FROM THE FUA’AMOTU TROPICAL CYCLONE WARNING CENTRE AT 07:00PM THURSDAY 07 FEBRUARY 2019 TONGAN
A TROPICAL CYCLONE ALERT REMAINS INFORCE FOR TONGA.
WARNINGS:
A STORM WARNING REMAINS INFORCE FOR VAVA’U AND NOW INFORCE FOR HA’APAI LAND AREAS AND COASTAL WATERS.
THE STORM WARNING THAT WAS PREVIOUSLY INFORECED FOR THE NIUAS IS NOW BEEN CANCELLED.
A GALE WARNING IS NOW INFORECED FOR THE TWO NIUAS.
A STRONG WIND WARNING REMAINS INFORCE FOR TONGATAPU, ‘EUA, TELE-KI-TONGA, TELE-KI-TOKELAU LANDAREAS AND COASTAL WATERS.
A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY REMAINS INFORCE FOR ALL OF TONGA.
A HEAVY DAMAGING SWELL WARNING REMAINS INFORCE FOR THE NIUAS AND VAVA’U AND IS NOW INFORCE FOR HA’APAI COASTAL WATERS.
SITUATION:
TROPICAL DEPRESSION 06F WAS LOCATED NEAR LATITUDE 16.16 SOUTH, LONGITUDE 177.15 WEST OR 177KM WEST SOUTH WEST OF NIUAFO’OU, 266KM WEST OF NIUATOPUTAPU, 309KM NORTH NORTH WEST OF VAVA’U AT 04:00PM THIS AFTERNOON. THIS SYSTEM IS MOVING SOUTH SOUTH WEST AT THE SPEED OF 15KNOTS (28KM/HR) AND HAS THE POTENTIAL TO DEVELOP INTO A TROPICAL CYCLONE IN THE NEXT 36 HOURS. MEANWHILE, A TROUGH OF LOW PRESSURE LIES SLOW MOVING OVER THE GROUP. ASSOCIATED CLOUDS, HEAVY RAIN AND STRONG WINDS WILL AFFECT THE GROUP.
FOR THE NIUAS:
NORTHEAST WINDS 20-30 KNOTS (37-55 KM/HR), WITH MOMENTARY GUSTS OF UP TO 40 KNOTS (74KM/HR).
MOSTLY CLOUDY WITH OCCASIONAL RAIN, HEAVY AT TIMES WITH ISOLATED THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS. A HEAVY DAMAGING NORTHEASTERLY SWELL.
FOR HA’APAI MO VAVA’U:
EAST TO NORTHEAST WINDS 30-35 KNOTS (55-65 KM/HR), WITH MOMENTARY GUSTS OF UP TO 55 KNOTS (101KM/HR).
MOSTLY CLOUDY WITH OCCASIONAL RAIN, HEAVY AT TIMES WITH ISOLATED THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS. A HEAVY DAMAGING NORTHEASTERLY SWELL.
FOR TONGATAPU AND ‘EUA:
EAST TO NORTHEAST WINDS 15-20 KNOTS (27-37 KM/HR), GRADUALLY INCREASING TO STRONG WINDS 25-30 KNOTS (45-55KM/HR) AT TIMES. MOSTLY CLOUDY WITH OCCASSIONAL SHOWERS, POSSIBLY HEAVY FALL WITH ISOLATED THUNDERSTORMS.
ROUGH SEAS. A MODERATE SOUTHEASTERLY SWELL.
TIDE PREDICTION
HIGH TIDE : 09:30PM
LOW TIDE : 03:47AM
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA’AMOTU AIRPORT AT 7:00PM WAS 1004.5 MILLIBARS AND THE RELATIVE HUMIDITY WAS 89%.
THE NEXT TROPICAL CYCLONE ADVISORY FOR TONGA WILL BE ISSUED AT ABOUT 02:00AM TOMORROW MORNING (08/02/2019).
FCD: MT/SP/FH/SV/TTK/= CRS: TT/UV/=