31 July 2025 - bulletin 475

Issued at 1550 GMT
Latest warnings for 01C, 07E and 12W
Disturbance update

NORTHWESTERN PACIFIC OCEAN
Tropical storm Krosa / 12W
Warning 32 from JTWC at 1500 GMT
Position 30.8N 142.3E
Location 300 miles SSE of Yokosuka, Japan
Movement 340° (NNW) at 7 knots
Maximum sustained winds 45 knots gusting to 55 knots
Winds of 34 knots or higher occur within 45 to 75 miles of the centre
Threatened landmasses Japan
Maximum significant wave height 17 feet
Minimum central pressure 982 mbar
Next warning from JTWC at 2100 GMT

EASTERN PACIFIC OCEAN
Tropical storm Gil / 07E
Warning 02 from NHC at 1500 GMT
Position 13.2N 116.2W
Location 785 miles SSW of the southern tip of Baja California
Movement 280° (W) at 12 knots
Maximum sustained winds 45 knots gusting to 55 knots
Winds of 34 knots or higher occur within 160 miles of the centre
Threatened landmasses NONE
Minimum central pressure 1000 mbar
Next warning from NHC at 2100 GMT

CENTRAL PACIFIC OCEAN
Tropical storm Iona / 01C
Warning 18 from CPHC at 1500 GMT
Position 12.7N 168.7W
Location 925 miles SW of Honolulu, Hawaii
Movement 280° (W) at 19 knots
Maximum sustained winds 45 knots gusting to 55 knots
Winds of 34 knots or higher occur within 60 miles of the centre
Threatened landmasses NONE
Minimum central pressure 1001 mbar
Next warning from CPHC at 2100 GMT

TROPICAL DISTURBANCE UPDATE 
EASTERN PACIFIC OCEAN
Update from NHC at 0900 GMT
System No Invest Assigned 
Position 13N 98W 
Likelihood of tropical cyclone formation within 48 hours is NIL
Likelihood of tropical cyclone formation within 7 days is HIGH (70%)

CENTRAL PACIFIC OCEAN

Update from CPHC at 0900 GMT
System 92C
Position 11.5N 146.2W 
Minimum central pressure 1009 mbar
Likelihood of tropical cyclone formation within 48 hours is MEDIUM (40%)
Likelihood of tropical cyclone formation within 7 days is MEDIUM (40%)

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