7 August 2026 - bulletin 530

Issued at 1415 GMT
Latest warnings for 12W and 14W
Disturbance update

NORTHWESTERN PACIFIC OCEAN
TYPHOON Dolphin / 12W

Warning 47 from JTWC at 1500 GMT
Position 27.2N 127.2E
Location 53 miles NW of Kadena AB, Okinawa
Movement 300° (WNW) at 9 knots
Maximum sustained winds 90 knots gusting to 110 knots
Winds of 34 knots or higher occur within 180 to 265 miles of the centre
Winds of 64 knots or higher occur within 30 to 110 miles of the centre
Threatened landmasses Ryuku Islands, Taiwan, China
Minimum central pressure 951 mbar 
Maximum significant wave height 40 feet
Next warning from JTWC at 2100 GMT

Tropical depression Chan-hom / 14W
Warning 03 from JTWC at 1500 GMT
Position 31.6N 159.8E
Location 1064 miles ESE of Misawa, Japan
Movement 340° (NNW) at 14 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses Japan
Minimum central pressure 987 mbar 
Maximum significant wave height 20 feet
Next warning from JTWC at 2100 GMT

TROPICAL DISTURBANCE UPDATE
NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 1200 GMT 
System 97W 
Position 19.9N 108.3E 
Location 34 miles ESE of Bach Longvi
Minimum central pressure 1009 mbar 
Likelihood of tropical cyclone formation within 24 hours is MEDIUM

EASTERN PACIFIC OCEAN
Update from NHC at 1200 GMT
System No Invest Assigned 
Position 15N 112W
Likelihood of tropical cyclone formation within 48 hours is NIL
Likelihood of tropical cyclone formation within 7 days is LOW (30%)

System No Invest Assigned 
Position 11N 140W
Likelihood of tropical cyclone formation within 48 hours is NIL
Likelihood of tropical cyclone formation within 7 days is LOW (30%)

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