17 June 2026 - bulletin 380

Issued at 1500 GMT
Latest warning for 01L
Disturbance update
NORTHERN ATLANTIC OCEAN
Tropical storm Arthur / 01L 
Warning 05 from NHC at 1500 GMT
Position 28.6N 95.8W 
Location 190 miles WSW of Lake Charles, LA
Movement 045° (NE) at 5 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 175 miles of the centre
Threatened landmasses Texas, Louisiana
Minimum central pressure 1001 mbar 
Next warning from NHC at 1800 GMT

Regional warnings

TROPICAL DISTURBANCE UPDATE
NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 0600 GMT
System 92W
Position 11.7N 151.6E 
Location 417 miles ESE of Guam
Minimum central pressure 1008 mbar
Likelihood of tropical cyclone formation within 24 hours is MEDIUM

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