7 May 2017 - bulletin 243

Updated at 1010 GMT
Latest warning for 18P

Tropical cyclone Donna / 18P
Warning 15 from JTWC at 0900 GMT
Position 14.6S 164.6E
Location 283 miles NW of Port Vila, Vanuatu
Movement 150° (SSE) at 8 knots
Maximum sustained winds 85 knots gusting to 105 knots
Comparative strength HURRICANE
Winds of 34 knots or higher occur within 125 to 160 miles of the centre
Winds of 64 knots or higher occur within 25 miles of the centre
Threatened landmasses Vanuatu, New Caledonia
Maximum significant wave height 24 feet
Next warning from JTWC at 1500 GMT

Donna is moving south, and will slowly curve round onto a southeasterly course. This will take the storm past Vanuatu, whilst intensifying to 100 knots by tomorrow. The storm will then pass north 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
A RED alert is in force for Torba and Snma
A YELLOW alert is in force for Malampa and Penama
A blue alert is in force for Shefa province

New Caledonian warnings
A cyclonic pre-alert is in force for the entire territory.
Tomorrow, at 8 am local time, cyclonic alert level 1 will come into force for the provinces Nord, Ouvéa and Lifou, and by 14.00 local time for the Sud and Maré provinces.

Update from 0600 GMT
System No Invest Assigned (NIA-E)
Position 10N 90W
Likelihood of tropical cyclone formation within 48 hours is LOW (0%)
Likelihood of tropical cyclone formation within 5 days is MEDIUM (50%)

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