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Tropical Cyclone Advisory Number 2 for Tonga on Tropical Disturbance 10F

Countries
Tonga
Sources
Govt. Tonga
Publication date
Origin
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ISSUED FROM THE FUA’AMOTU TROPICAL CYCLONE WARNING CENTRE AT 02:00PM TUESDAY 12 FEBRUARY 2019

TONGAN

TROPICAL CYCLONE ALERT REMAINS INFORCE FOR TONGA

WARNINGS FOR LAND AREAS AND COASTAL WATERS:

A GALE WARNING REMAINS INFORCE FOR ALL OF TONGA LAND AREAS AND COASTAL WATERS.

A HEAVY RAIN AND FLASH FLOOD ADVISORY REMAINS INFORCE FOR ALL OF TONGA.

A HEAVY DAMAGING SWELL WARNING REMAINS INFORCE FOR ALL OF TONGA COASTAL WATERS.

SITUATION:

TROPICAL DEPRESSION TD10F WAS LOCATED NEAR LATIDUDE 12.2 SOUTH, 179.8 EAST OR 625KM NORTH WEST OF NIUAFO’OU OR 815KM WEST NORTH WEST OF NIUATOPUTAPU AT 1:00PM TODAY. THIS SYSTEM IS MOVING EAST SOUTH EAST AT THE SPEED OF 10 KNOTS (18KM/HR). THE POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL CYCLONE IS MODERATE IN THE NEXT 24 HOURS. ON ITS CURRENT TRACK, TD10F IS EXPECTED TO LIE AT ABOUT 365KM NORTH WEST OF NIUAFO’OU OR 555KM WEST NORTH WEST OF NIUATOPUTAPU AT 01:00AM EARLY TOMORROW MORNING. ASSOCIATED CLOUDS, HEAVY RAIN AND STRONG TO GALE FORCE WINDS IS EXPECTED TO AFFECT THE GROUP.

FOR THE NIUAS:

NORTHWEST TO NORTHEAST WINDS 20-25 KNOTS (37-47KM/HR), WITH MOMENTARY GUST UP TO 35-40 KNOTS (57-74KM/HR) AT TIMES STARTING TONIGHT. MOSTLY CLOUDY AND OVERCAST WITH OCCASIONAL RAIN, HEAVY AT TIMES WITH ISOLATED THUNDERSTORMS.

ROUGH TO VERY ROUGH SEAS. A HEAVY DAMAGING NORTHERLY SWELL.

POSSIBLE FLASH FLOOD AND SEA FLOODING IN LOW LYING AREAS.

FOR HA’APAI AND VAVA’U, TONGATAPU AND ‘EUA:

NORTH TO NORTHEAST WINDS 20-30 KNOTS (37-47 KM/HR) WITH MOMENTARY GUST UP TO 35-40 KNOTS (57-74KM/HR).

CLOUDY WITH OCCASSIONAL SHOWERS, POSSIBLY HEAVY AT TIMES.

ROUGH TO VERY ROUGH SEAS. A HEAVY DAMAGING NORTHERLY SWELL.

POSSIBLE FLASH FLOOD AND SEA FLOODING IN LOW LYING AREAS.

TIDE PREDICTION

LOW TIDE : 07:05PM
HIGH TIDE : 01:10AM

THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA’AMOTU AIRPORT AT 02:00PM WAS 1002.4 MILLIBARS AND THE RELATIVE HUMIDITY WAS 86%.

THE NEXT TROPICAL CYCLONE ADVISORY ON TROPICAL DEPRESSION 10F FOR TONGA WILL BE ISSUED AT ABOUT 08:00PM THIS EVENING.

FCD: LF/VF/STP/AA/SU= CRS: ST/HT=