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Tropical Cyclone Advisory Number 26 for Tonga on Severe Tropical Cyclone Pola – Category 4

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TROPICAL CYCLONE ADVISORY NUMBER 26 FOR TONGA ON SEVERE TROPICAL CYCLONE POLA – CATEGORY 4 
ISSUED FROM THE FUA’AMOTU TROPICAL CYCLONE WARNING CENTRE AT 04:00PM THURSDAY 28 FEBRUARY 2019 TONGAN
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TROPICAL CYCLONE WARNING 
WARNINGS FOR LAND AREAS AND COASTAL WATERS: 
A HURRICANE FORCE WINDS WARNING REMAINS INFORCE FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS.

A GALE WARNING REMAINS INFORCE FOR TONGATAPU AND ‘EUA LAND AREAS AND COASTAL WATERS.

A STRONG WIND WARNING REMAINS INFORCE FOR HA’APAI LAND AREAS AND COASTAL WATERS.

A HEAVY DAMAGING SWELL REMAINS INFORCE FOR HA’APAI, TONGATAPU, ‘EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS.

SITUATION:
SEVERE TROPICAL CYCLONE POLA (CATEGORY 4) WAS LOCATED NEAR LATITUDE 22.6 SOUTH, LONGITUDE 177.9 WEST OR 330KM WEST SOUTHWEST OF NUKU’ALOFA, 340KM WEST SOUTHWEST OF ‘EUA AT 3:00PM THIS AFTERNOON. TROPICAL CYCLONE POLA IS MOVING SOUTH AT THE SPEED OF 12 KNOTS (23KM/HR). THE MAXIMUM WINDS NEAR THE CENTER IS ABOUT 90 KNOTS (165 KM/HR) WITH MOMENTARY GUST UP TO 110 KNOTS (205KM/HR). ON ITS CURRENT TRACK, TROPICAL CYCLONE POLA IS EXPECTED TO LIE AT ABOUT 400KM SOUTH-WEST OF NUKU’ALOFA, 400KM SOUTH-WEST OF ‘EUA AT 09:00PM TONIGHT. A GALE FORCE WINDS WILL AFFECT TONGATAPU AND ‘EUA THIS AFTERNOON.
FOR TELE-KI-TONGA AND TELE-KI-TOKELAU:
SOUTH TO SOUTHWEST WINDS 90 KNOTS (165KM/HR) WITH MOMENTARY GUST UP TO 110 KNOTS (205KM/HR) TENDING WEST TO NORHTWEST WINDS LATER TONIGHT. CLOUDY AND OVERCAST WITH FREQUENT HEAVY RAIN AND SQUALLY THUNDERSTORMS. PHENOMENAL SEAS AND HEAVY DAMAGING SWELL.
POSSIBLE SEA FLOODING IN COASTAL AREAS DUE TO VERY HEAVY DAMAGING SWELL.FOR TONGATAPU AND ‘EUA:

NORTH TO NORTHEAST WINDS 25 KNOTS (45KM/HR) WITH MOMENTARY GUST UP TO 40KNOTS (75KM/HR). CLOUDY PERIODS  WITH OCCASIONAL SHOWERS, POSSIBLY HEAVY AT TIMES.
ROUGH TO VERY ROUGH SEAS. A HEAVY DAMAGING NORTHERLY SWELL. POSSIBLE SEA FLOODING IN LOW LYING AREAS DUE TO HEAVY DAMAGING SWELL.FOR HA’APAI:
NORTH TO NORTHEAST WINDS 20-25 KNOTS (35-45KM/HR) WITH MOMENTARY GUST UP TO 35KNOTS (65KM/HR).
CLOUDY PERIODS WITH OCCASIONAL RAIN, POSSIBLY HEAVY AT TIMES.
ROUGH SEAS. A HEAVY DAMAGING NORTHERLY SWELL. POSSIBLE SEA FLOODING IN LOW LYING COASTAL AREAS DUE TO HEAVY DAMAGING SWELL.

FOR THE NIUAS AND VAVA’U:
NORTH TO NORTHWEST WINDS 15-20 KNOTS (30-40KM/HR), RISING UPTO 25 KNOTS (45KM/HR).
CLOUDY PERIODS WITH OCCASIONAL SHOWERS.
MODERATE TO ROUGH SEAS. A MODERATE NORTHERLY SWELL.

TIDE PREDICTION
LOW TIDE                       :        09:35PM
HIGH TIDE                      :        03:50AM               EARLY TOMORROW MORNING
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA’AMOTU AIRPORT AT 4:00PM WAS 1004.3 MILLIBARS AND THE RELATIVE HUMIDITY WAS 84%.
THIS NEXT TROPICAL CYCLONE WARNING ON SEVERE TROPICALCYCLONE POLA FOR TONGA WILL BE ISSUED ABOUT 4:00PM THIS AFTERNOON.
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FCD: OF/VF/SP/VV/AA/FH/NH/=                                                                                       CRS: ST/HT/=

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