4 September 2024 - bulletin 540

Issued at 1345 GMT
Latest warnings for 12W and 13W
Disturbance update

NORTHWESTERN PACIFIC OCEAN
TYPHOON Yagi / 12W
Warning 13 from JTWC at 1500 GMT
Position 19.2N 116.9E
Location 240 miles SE of Hong Kong
Movement 270° (W) at 5 knots
Maximum sustained winds 110 knots gusting to 145 knots
Winds of 34 knots or higher occur within 80 to 120 miles of the centre
Winds of 64 knots or higher occur within 0 to 50 miles of the centre
Minimum central pressure 968 mbar
Threatened landmasses China
Maximum significant wave height 35 feet
Next warning from JTWC at 2100 GMT

Hong Kong warnings

Tropical depression 13W
Warning 03 from JTWC at 1500 GMT
Position 28.5N 147.0E
Location 284 miles NE of Chi Chi Jima
Movement 350° (N) at 12 knots
Maximum sustained winds 30 knots gusting to 40 knots
Minimum central pressure 1003 mbar
Threatened landmasses NONE
Maximum significant wave height 15 feet
Next warning from JTWC at 2100 GMT

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 1200 GMT
System No Invest Assigned
Position 16N 75W
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 15N 50W
Likelihood of tropical cyclone formation within 48 hours is LOW (10%)
Likelihood of tropical cyclone formation within 7 days is LOW (10%)

System No Invest Assigned
Position 14N 26W
Likelihood of tropical cyclone formation within 48 hours is LOW (10%)
Likelihood of tropical cyclone formation within 7 days is LOW (20%)

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