| AMEND TROPICAL CYCLONE ADVISORY NUMBER 4 FOR TONGA ON TROPICAL DISTURBANCE 06F | |
| ISSUED FROM THE FUA’AMOTU TROPICAL CYCLONE WARNING CENTRE AT 10:30AM THURSDAY 07 FEBRUARY 2019 TONGAN | |
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| A TROPICAL CYCLONE ALERT REMAINS INFORCE FOR THE NIUAS. | |
| WARNINGS FOR LAND AREAS: | |
| A GALE WARNING REMAIN INFORCE FOR THE NIUAS AND IS NOW INFORCE FOR VAVA’U LAND AREAS AND COASTAL WATERS.
A STRONG WIND WARNING REMAINS INFORCE FOR HA’APAI, TONGATAPU, ‘EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU LAND AREAS AND COASTAL WATERS. A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY REMAINS INFORCE FOR ALL OF TONGA. A HEAVY DAMAGING SWELL WARNING REMAIN INFORCE FOR THE NIUAS AND IS NOW INFORCE FOR VAVA’U COASTAL WATERS. |
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| SITUATION: | |
| TROPICAL DEPRESSION 06F WAS LOCATED NEAR LATITUDE 11.5 SOUTH, LONGITUDE 176.6 WEST OR 465KM NORTH OF NIUAFO’OU, 580KM NORTH NORTHWEST OF NIUATOPUTAPU, 845KM NORTH NORTH WEST OF VAVA’U AT 07:00AM THIS MORNING. THIS SYSTEM IS MOVING SOUTH WEST AT THE SPEED OF 10KNOTS (18KM/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 AND VAVA’U: NORTHEAST WINDS 25-30 KNOTS (46-55 KM/HR), GRADUALLY INCREASING 30-35 KNOTS (55-65 KM/HR) AT TIMES, WITH MOMENTARY GUSTS OF UP TO 45 KNOTS (83KM/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: EAST TO NORTHEAST WINDS 15-20 KNOTS (27-37 KM/HR), GRADUALLY INCREASING TO STRONG WINDS 25-30 KNOTS 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. |
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| TIDE PREDICTION | |
| LOW TIDE : 03:25PM HIGH TIDE : 09:30PM |
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| THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA’AMOTU AIRPORT AT 10:00AM WAS 1008.4 MILLIBARS AND THE RELATIVE HUMIDITY WAS 87%. THE NEXT TROPICAL CYCLONE ADVISORY FOR TONGA WILL BE ISSUED AT ABOUT 04:00PM TODAY (07/02/2019). |
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| FCD: MT/SP/VV/FH/SV/AA/JS/TTK/SF/= CRS: FV/TT/= | |
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Amend Tropical Cyclone Advisory Number 4 For Tonga on Tropical Disturbance 06F
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