18 September 2025 - bulletin 620

Issued at 2200 GMT
Latest warning for 23W, 24W, 25W and 07L
Disturbance update
NORTHERN ATLANTIC OCEAN
Tropical storm Gabrielle / 07L 
Warning 07 from NHC at 2100 GMT
Position 20.8N 52.7W
Location 700 miles ENE of the northern Leeward Islands
Movement 300° (WNW) at 11 knots
Maximum sustained winds 45 knots gusting to 55 knots
Winds of 34 knots or higher occur within 290 miles of the centre
Threatened landmasses Bermuda 
Minimum central pressure 1004 mbar 
Next warning from NHC at 0300 GMT

NORTHWESTERN PACIFIC OCEAN
Tropical storm Mitag / 23W 
Warning 11 from JTWC at 2100 GMT
Position 21.3N 116.5E
Location 141 miles ESE of Hong Kong
Movement 330° (NNW) at 11 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 60 to 70 miles to the east of the centre
Threatened landmasses China
Minimum central pressure 997 mbar 
Maximum significant wave height 13 feet
Next warning from JTWC at 0300 GMT

Hong Kong warnings

Tropical storm Ragasa / 24W 
Philippines name Nando
Warning 02 from JTWC at 2100 GMT
Position 16.2N 132.3E
Location 526 miles NW of Yap
Movement 295° (WNW) at 7 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 100 miles to the southeast of the centre
Threatened landmasses Philippines, China
Minimum central pressure 1004 mbar 
Maximum significant wave height 14 feet
Next warning from JTWC at 0300 GMT

Tropical storm Neoguri / 25W 

Warning 02 from JTWC at 2100 GMT
Position 23.5N 162.3E
Location 348 miles NW of Wake Island
Movement 300° (WNW) at 10 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 35 to 45 miles to the east of the centre
Threatened landmasses NONE
Minimum central pressure 1005 mbar 
Maximum significant wave height 12 feet
Next warning from JTWC at 0300 GMT

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT 
System No Invest Assigned 
Position 14N 13W 
Likelihood of tropical cyclone formation within 48 hours is NIL
Likelihood of tropical cyclone formation within 7 days is LOW (20%)

EASTERN PACIFIC OCEAN
Update from NHC at 1200 GMT
System 96E
Position 16.2N 109.2W 
Minimum central pressure 1006 mbar
Likelihood of tropical cyclone formation within 48 hours is HIGH (80%)
Likelihood of tropical cyclone formation within 7 days is HIGH (80%)

No comments: