Tropical Cyclone Advisory Number one for Tonga on Tropical Cyclone Ula
Issued from the Fua'amotu Tropical Cyclone Warning Centre at 3:00pm Thursday 31 December 2015.
Tropical cyclone alert
A tropical cyclone alert is now in force for Niuatoputapu and Vava'u.
Tropical Cylone Ula (category 1) was located about 570km east of Niuatoputapu or 670km NE of Vava'u at 12:00pm this afternoon. Tropical Cylone Ula has estimated winds of 80km/hr near its centre and is currently moving south-southwest at 25km/hr.
For Vava'u and Niuatoputapu:
Moderate to fresh east to southeast winds, becoming strong and gusty in the next 24 to 48 hours.
Cloudy with occassional showers,gradually becoming overcast with rain heavy at times.
Rough seas, with a moderate east to southeast swell
For the rest of Tonga:
Moderate to fresh east to southeast winds, fresh and gusty at times.
Cloudy with scattered showers. Rough seas. A moderate east to southeast swell.
High tide : 12:00pm
Low tide : 06:10pm
The mean sea level pressure recorded at Fua'amotu at 3:00pm was 1006.9 millibars and the relative humidity was 79%
The next tropical cyclone advisory for Tonga will be issued at 09:00pm this evening or earlier.
The following Tropical Cyclone Threat track map issued by the RSMC Nadi Tropical Cyclone Warning Centre shows the position of TC Ula at midday today: