| TONGAN
ISSUED FROM THE FUA’AMOTU TROPICAL CYCLONE WARNING CENTRE AT 04:00AM SUNDAY 20 DECEMBER 2020 |
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| ………………………………………………………………………………………………………………………………………………………………………………………….. | |
| A TROPICAL CYCLONE WARNING REMAINS INFORCE FOR TONGA | |
| WARNINGS: | |
| A GALE WARNING REMAINS INFORCE FOR TELE-KI-TONGA, TELE-KI-TOKELAU, TONGATAPU AND ‘EUA LAND AND COASTAL WATERS.
A STRONG WIND WARNING REMAINS INFORCE FOR THE NIUAS, VAVA’U AND HA’APAI LAND AREAS AND COASTAL WATERS. A HEAVY DAMAGING SWELL WARNING REMAINS INFORCE FOR ALL OF TONGA COASTAL WATERS. A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY ARE NOW INFORCE FOR THE NIUAS LAND AREAS A SMALL CRAFT ADVISORY REMAINS INFORCE FOR ALL OF TONGA COASTAL WATERS. |
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| SITUATION: | |
| Tropical Cyclone “YASA” Category 1 was located at about Latitude 22.6° South, Longitude 177.6 West or about 315KM Southwest of Nuku’alofa, 320KM Southwest of ‘Eua, 470KM Southwest of Pangai Ha’apai at 3:00am this morning. This system is moving South Southeast at about 8 knots (16km/hr). The sustained maximum winds near the center is about 45 knots (90km/hr) with momentary gust up to 65 knots (130km/hr). On its current track, Tropical Cyclone “YASA” (CAT 1) is expected to lie at about 330KM Southwest of Nuku’alofa and ‘Eua at 7:00am this morning. Associated strong and gale force winds, cloudy conditions and periods of heavy rain and thunderstorms with rough to very rough seas will affect the group today. | |
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FOR TONGATAPU AND ‘EUA: East to Northeast winds 15-20 knots (30-40km/hrs) rising up to strong winds of 25-30 knots (50-60km/hrs) with momentary gusts up to gale force winds 35-45knots (70-90km/hrs). Mostly cloudy with occasional showers. Very rough to high seas (up to 6-8 metres). A heavy damaging Northwesterly swell (up to 4-8 metres). FOR VAVA’U AND HA’APAI: FOR THE NIUAS: |
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| TIDE PREDICTION FOR NUKU’ALOFA | |
| LOW TIDE : 05:50AM HIGH TIDE : 12:15PM |
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| THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA’AMOTU AIRPORT AT 4:00AM WAS 1004.2 MILLIBARS AND THE RELATIVE HUMIDITY WAS 92%. THE NEXT TROPICAL CYCLONE ADVISORY ON TROPICAL CYCLONE “YASA” FOR TONGA WILL BE ISSUED ABOUT 7:00AM THIS MORNING. | |
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Tropical Cyclone Advisory 20 for Tonga on Tropical Cyclone YASA (Category 1)
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