23 September 2018 - bulletin 690

Updated at 0915 GMT
Latest warning for 28W, 11L and 12L
Disturbance update


NORTHWESTERN PACIFIC OCEAN
TYPHOON Trami / 28W
Warning 11 from JTWC at 0900 GMT
Position 17.3N 134.3E
Location 660 miles SE of Kadena AB, Okinawa, Japan
Movement 295° (WNW) at 9 knots
Maximum sustained winds 95 knots gusting to 115 knots
Winds of 34 knots or higher occur within 75 to 135 miles of the centre
Winds of 64 knots or higher occur within 20 miles of the centre
Maximum significant wave height 27 feet
Threatened landmasses Taiwan
Next warning from JTWC at 1500 GMT

Trami will move westnorthwest, intensifying rapidly. The system will peak at 140 knots after 3 days, after which it will weaken.

NORTHERN ATLANTIC OCEAN
Tropical depression 11L
Warning 06 from NHC at 0900 GMT
Position 14.5N 55.0W
Location 670 miles E of the Windward Islands
Movement 315° (NW) at 5 knots
Maximum sustained winds 25 knots gusting to 35 knots
Minimum central pressure 1009 mbar
Threatened landmasses NONE
Next warning from NHC at 1500 GMT

11L is moving slowly west. Adverse atmospheric conditions will soon bring about its demise.

Tropical storm Kirk / 12L
Warning 04 from NHC at 0900 GMT
Position 9.1N 28.0W
Location 465 miles SSW of the southernmost Cape Verde islands
Movement 280° (W) at 16 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 70 miles of the centre
Minimum central pressure 1006 mbar
Threatened landmasses Lesser Antilles
Next warning from NHC at 1500 GMT

Kirk has formed and will move west, later westnorthwest. The storm will intensify only slowly. After three days, the storm will weaken from its peak intensity of 50 knots.

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System 98L
Position 27.9N 66.9W
Location 300 miles SSW of Bermuda
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 5 days is LOW (30%)

System 90L
Position 32.0N 44.5W
Location 1000 miles WSW of the Azores
Likelihood of tropical cyclone formation within 48 hours is MEDIUM (60%)
Likelihood of tropical cyclone formation within 5 days is MEDIUM (60%)

EASTERN PACIFIC OCEAN

Update from NHC at 0600 GMT
System No Invest Assigned
Position 13N 98W
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 5 days is HIGH (80%)