18 July 2017 - bulletin 400

Updated at 1500 GMT
Latest warning for 05L, 06E and 07E
First warning for 08E
Disturbance update


EASTERN PACIFIC OCEAN
HURRICANE Fernanda / 06E
Warning 27 from NHC at 1500 GMT
Position 15.6N 133.3W
Location 1460 miles E of Hilo, Hawaii
Movement 310° (NW) at 8 knots
Maximum sustained winds 85 knots gusting to 105 knots
Winds of 34 knots or higher occur within 115 miles of the centre
Winds of 64 knots or higher occur within 30 miles of the centre
Minimum central pressure: 974 mbar
Threatened landmasses NONE
Next warning from NHC at 2100 GMT

Fernanda will continue to move northwest, later west and is expected to gradually weaken over the next few days.

As this system is expected to pass west of 140W as a tropical cyclone, the Central Pacific Hurricane Center will take over the issuance of warnings at that point.

Tropical storm Greg / 07E
Warning 05 from NHC at 1500 GMT
Position 15.0N 108.3W
Location 380 miles SW of Manzanillo, Mexico
Movement 290° (WNW) at 8 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 35 miles of the centre
Minimum central pressure: 1007 mbar
Threatened landmasses NONE
Next warning from NHC at 2100 GMT

Greg will move westnorthwest into the open Pacific. The system will strengthen to 50 knots before weakening again.

Tropical depression 08E
Warning 01 from NHC at 1500 GMT
Position 14.6N 118.8W
Location 815 miles SW of the southern tip of Baja California
Movement 270° (W) at 4 knots
Maximum sustained winds 30 knots gusting to 40 knots
Minimum central pressure: 1007 mbar
Threatened landmasses NONE
Next warning from NHC at 2100 GMT

08E has formed and will move southwest, later west. The system will strengthen only slowly, to about 40 knots. 08E could be absorbed by 07E.

NORTHERN ATLANTIC OCEAN
Tropical storm Don / 05L
Warning 04 from NHC at 1500 GMT
Position 11.5N 58.0W
Location 255 miles E of Grenada
Movement 275° (W) at 17 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 35 miles of the centre
Minimum central pressure: 1011 mbar
Threatened landmasses NONE
Next warning from NHC at 1800 GMT
 
Don is moving quickly west and appears to be weakening - it could in fact cease to be a tropical cyclone later today.

Regional warnings
A tropical storm WARNING is in force for Grenada, St Vincent and the Grenadines
A tropical storm watch is in force for Barbados and Bonaire
Rainfall totals of 3 to 6 inches are expected across Barbados, Trinidad and Tobago and the southern Windward Islands. Life-threatening flash floods and mudslides are possible in mountainous areas there.

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System 96L
Position 10.4N 37.4W
Likelihood of tropical cyclone formation within 48 hours is LOW (30%)
Likelihood of tropical cyclone formation within 5 days is MEDIUM (40%) 

EASTERN PACIFIC OCEAN
Update from NHC at 1500 GMT
System 98E is now 08E

No comments: