25 May 2018 - bulletin 358

Updated at 2055 GMT
Latest warnings for 02A and 01L


NORTHERN INDIAN OCEAN
Tropical cyclone Mekunu / 02A
Warning 16 from JTWC at 2100 GMT
Position 16.6N 53.9E
Location 27 miles SSW of Salalah, Oman
Movement 300° (WNW) at 4 knots
Maximum sustained winds 100 knots gusting to 125 knots
Winds of 34 knots or higher occur within 80 to 105 miles of the centre
Winds of 64 knots or higher occur within 20 to 25 miles of the centre
Threatened landmasses Yemen, Oman
Maximum significant wave height 32 feet
Next warning from JTWC at 0300 GMT

Mekunu will make landfall near Salalah, Oman within the next few hours, and is expected to dissipate inland.

NORTHERN ATLANTIC OCEAN
Sub-tropical storm Alberto / 01L
Warning 02 from NHC at 2100 GMT
Position 19.7N 86.8W
Location 85 miles SSE of Cozumel, Mexico
Movement 090° (E) at 1 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 140 miles of the centre
Threatened landmasses Yucatan peninsula, Cuba, Florida, NE Gulf Coast
Minimum central pressure 1005 mbar
Next warning from NHC at 0000 GMT

Alberto is slow-moving off the Yucatan peninsula, but will move into the Gulf of Mexico. After making landfall, the system will proceed to dump large amounts of rain over the southeastern USA.

Regional warnings
A tropical storm watch is in force from Tulum to Cabo Catoche, Mexico, and for the Cuban province of Pinar del Rio; from Indian Pass FL to Grand Isle LA, and for Lake Pontchartrain and Lake Maurepas
A storm surge watch is in force from Horseshoe Beach to the mouth of the Mississippi River, giving 2 to 4 feet of inundation above groundlevel
Rainfall totals of 10 to 15 inches, locally up to 25 inches, are expected over northeastern Yucatan peninsula and western Cuba. Life-threatening mudslides and flash floods are to be expected. The Florida Keys and southern and southwestern Florida can expect 4 to 8, locally up to 12 inches.

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