23 September 2017 - bulletin 604

Updated at 2120 GMT
Latest warnings for 14L and 15L
First warnings for 18E and 22W
Disturbance update


NORTHERN ATLANTIC OCEAN
Tropical storm Lee / 14L
Warning 22 from NHC at 2100 GMT
Position 31.9N 49.4W
Location 1350 miles W of the Azores
Movement 335° (NNW) at 3 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 35 miles of the centre
Threatened landmasses NONE
Minimum central pressure 1007 mbar
Next warning from NHC at 0300 GMT

Lee will move north, later east, before veering round to the southwest. The system will intensify to 70 knots.

HURRICANE Maria / 15L
Warning 31 from NHC at 2100 GMT
Position 26.3N 72.5W
Location 640 miles SSE of Cape Hatteras, North Carolina
Movement 345° (NNW) at 8 knots
Maximum sustained winds 100 knots gusting to 125 knots
Saffir Simpson category: III
Winds of 34 knots or higher occur within 240 miles of the centre
Winds of 64 knots or higher occur within 60 miles of the centre
Threatened landmasses Carolinas
Minimum central pressure 950 mbar
Next warning from NHC at 0300 GMT

Maria will maintain current strength for the next 24 hours, before weakening as it moves northnorthwest, later north. 

Regional warnings
Life-threatening surf and riptide conditions are occurring in the Puerto Rico, the Virgin Islands, the north coast of Hispaniola, the Turks & Caicos Islands and the Bahamas; the southeastern USA and Bermuda.

EASTERN PACIFIC OCEAN
Tropical depression 18E
Warning 01 from NHC at 2100 GMT
Position 18.4N 105.3W
Location 140 miles S of Cabo Corrientes, Mexico
Movement 335° (NNW) at 4 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 35 miles of the centre
Threatened landmasses Western Mexico
Minimum central pressure 1005 mbar
Next warning from NHC at 0000 GMT

18E has formed and will move northnorthwest, close to the Mexican coastline whilst intensifying to about 40 knots. The system will move into the Sea of Cortez, where it will dissipate.

Regional warnings
A tropical storm WARNING is in force from Manzanillo to El Roblito, including the Islas Marias
Rainfall totals of 3 to 6 inches, locally up to 15 inches, can be expected over western parts of the Mexican states of Michoacan, Colima, Jalisco and Nayarit. Life-threatening mudslides and flash floods could result.

NORTHWESTERN PACIFIC OCEAN
Tropical depression 22W
Warning 01 from JTWC at 2100 GMT
Position 18.6N 113.9E
Location 223 miles S of Hong Kong
Movement 285° (WNW) at 22 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses Hainan Island, northern Vietnam
Maximum significant wave height 9 feet
Next warning from JTWC at 0300 GMT

22W has formed and will move across Hainan and into northern Vietnam

Hong Kong warnings
Stand-by signal #1 is in force

TROPICAL DISTURBANCE UPDATE
NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 2100 GMT
System 90W is now 22W

EASTERN PACIFIC OCEAN
Update from NHC at 2100 GMT
System 98E is now 18E