7 May 2017 - bulletin 245

Updated at 2130 GMT
Latest warning for 18P
Disturbance updates



SOUTHWESTERN PACIFIC OCEAN
Tropical cyclone Donna / 18P
Warning 17 from JTWC at 2100 GMT
Position 16.5S 164.8E
Location 213 miles WNW of Port Vila, Vanuatu
Movement 180° (S) at 10 knots
Maximum sustained winds 115 knots gusting to 140 knots
Comparative strength HURRICANE
Winds of 34 knots or higher occur within 140 to 180 miles of the centre
Winds of 64 knots or higher occur within 30 miles of the centre
Threatened landmasses Vanuatu, New Caledonia
Maximum significant wave height 32 feet
Next warning from JTWC at 0300 GMT

Donna is moving south, and will slowly curve round onto a southeasterly course. This will take the storm past Vanuatu. The storm will then pass east of New Caledonia whilst weakening. Donna will become extra-tropical after 2-3 days.

Vanuatu warnings
A tropical cyclone warning is current for Torba and Sanma and Malampa
A RED alert is in force for Torba Sanma and Malampa
A YELLOW alert is in force for Penama
A blue alert is in force for Shefa province

New Caledonian warnings
A cyclonic pre-alert is in force for the entire territory.
At 8 am local time (2100 GMT), the cyclonic alert level 1 comes into force for the provinces Nord, Ouvéa and Lifou, and by 14.00 local time (0300 GMT) for the Sud and Maré provinces.

TROPICAL DISTURBANCE UPDATE
EASTERN PACIFIC OCEAN
Update from NHC at 1800 GMT
System 90E
Position 8.0N 88.5W
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 5 days is HIGH (70%)   

System No Invest Assigned (NIA-E)
Position 10N 104W
Likelihood of tropical cyclone formation within 48 hours is LOW (10%)
Likelihood of tropical cyclone formation within 5 days is LOW (10%) 

SOUTHWESTERN PACIFIC OCEAN
Update from JTWC at 1430 GMTSystem 91P
Position 17.3S 174.5W
Location 330 miles SW of Pago Pago
Likelihood of tropical cyclone formation within 24 hours is LOW

No comments: