1 August 2025 - bulletin 477

Issued at 1000 GMT
Latest warnings for 01C, 07E and 12W
Disturbance update

NORTHWESTERN PACIFIC OCEAN
Tropical storm Krosa / 12W
Warning 35 from JTWC at 0900 GMT
Position 33.7N 141.3E
Location 124 miles SE of Yokosuka, Japan
Movement 350° (N) at 10 knots
Maximum sustained winds 55 knots gusting to 70 knots
Winds of 34 knots or higher occur within 50 to 100 miles of the centre
Threatened landmasses Japan
Maximum significant wave height 25 feet
Minimum central pressure 977 mbar
Next warning from JTWC at 1500 GMT

EASTERN PACIFIC OCEAN
Tropical storm Gil / 07E
Warning 05 from NHC at 0900 GMT
Position 14.8N 120.1W
Location 870 miles SW of the southern tip of Baja California
Movement 300° (WNW) at 14 knots
Maximum sustained winds 55 knots gusting to 70 knots
Winds of 34 knots or higher occur within 140 miles of the centre
Threatened landmasses NONE
Minimum central pressure 997 mbar
Next warning from NHC at 1500 GMT

CENTRAL PACIFIC OCEAN
Tropical storm Iona / 01C
Warning 21 from CPHC at 0900 GMT
Position 14.2N 174.4W
Location 1190 miles WSW of Honolulu, Hawaii
Movement 285° (WNW) at 19 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 60 miles of the centre
Threatened landmasses NONE
Minimum central pressure 1003 mbar
Next warning from CPHC at 1500 GMT

TROPICAL DISTURBANCE UPDATE 
EASTERN PACIFIC OCEAN
Update from NHC at 0600 GMT
System No Invest Assigned 
Position 13N 102W 
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 7 days is HIGH (80%)

System No Invest Assigned 
Position 13N 102W 
Likelihood of tropical cyclone formation within 48 hours is NIL
Likelihood of tropical cyclone formation within 7 days is LOW (20%)

CENTRAL PACIFIC OCEAN

Update from CPHC at 0600 GMT
System 92C
Position 11.6N 152.7W 
Minimum central pressure 1010 mbar
Likelihood of tropical cyclone formation within 48 hours is LOW (10%)
Likelihood of tropical cyclone formation within 7 days is LOW (10%)

NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 0600 GMT 
System 93W 
Position 25.6N 132.7E 
Location 82 miles E of Minami Daito Jima
Likelihood of tropical cyclone formation within 24 hours is LOW

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