18 June 2026 - bulletin 383

Issued at 0900 GMT
Final warning for 01L
Disturbance update
NORTHERN ATLANTIC OCEAN
Post-tropical cyclone Arthur / 01L 
Warning 08 from NHC at 0300 GMT
Position 29.7N 94.5W 
Location 85 miles WSW of Lake Charles, LA
Movement 040° (NE) at 8 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses Texas, Louisiana
Minimum central pressure 1000 mbar 
FINAL WARNING

Regional warnings

TROPICAL DISTURBANCE UPDATE
NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 0600 GMT
System 92W
Position 12.0N 147.7E 
Location 195 miles ESE of Guam
Minimum central pressure 1008 mbar
Likelihood of tropical cyclone formation within 24 hours is MEDIUM

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