26 July 2017 - bulletin 425

Updated at 2110 GMT
Latest warnings for 09E, 10E, 07W and 11W
Final warning for 07E



EASTERN PACIFIC OCEAN
Post-tropical cyclone Greg / 07E
Warning 38 from CPHC at 2100 GMT
Position 18.4N 142.0W
Location 895 miles E of South Point, Hawaii
Movement 280° (W) at 10 knots
Maximum sustained winds 25 knots gusting to 35 knots
Minimum central pressure: 1007 mbar
Threatened landmasses NONE
FINAL WARNING

Greg is moving west, and is ceasing to qualify as a tropical cyclone. 

HURRICANE Hilary / 09E
Warning 22 from NHC at 2100 GMT
Position 16.7N 113.2W
Location 480 miles SSW of the southern tip of Baja California, Mexico
Movement 280° (W) at 11 knots
Maximum sustained winds 90 knots gusting to 110 knots
Winds of 34 knots or higher occur within 105 miles of the centre
Winds of 64 knots or higher occur within 25 miles of the centre
Minimum central pressure: 972 mbar
Threatened landmasses NONE
Next warning from NHC at 0300 GMT

Hilary will move generally westnorthwest. The system will maintain current intensity but a weakening trend will commence after tomorrow. The storm could show some interaction with Irwin (see below) late in the forecast period.

Tropical storm Irwin / 10E

Warning 18 from NHC at 2100 GMT
Position 15.1N 122.8W
Location 1000 miles WSW of the southern tip of Baja California, Mexico
Movement 250° (WSW) at 6 knots
Maximum sustained winds 45 knots gusting to 55 knots
Winds of 34 knots or higher occur within 80 miles of the centre
Minimum central pressure: 996 mbar
Threatened landmasses NONE
Next warning from NHC at 0300 GMT

Irwin will move westsouthwest, and will maintain current strength. weakening slowly. Interaction with Hilary will cause the cyclone to stall, then head away north.

NORTHWESTERN PACIFIC OCEAN

TYPHOON Noru / 07W
Warning 25 from JTWC at 2100 GMT
Position 30.4N 153.9E
Location 372 miles N of Minami Tori Shima, Japan
Movement 295° (WNW) at 16 knots
Maximum sustained winds 65 knots gusting to 80 knots
Winds of 34 knots or higher occur within 115 to 190 miles of the centre
Winds of 64 knots or higher occur within 25 to 50 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 25 feet
Next warning from JTWC at 2100 GMT

Noru will slowly veer round to the southwest. The storm will slowly weaken, before restrengthening after 4 days. 

Tropical storm Nesat / 11W
Warning 04 from JTWC at 2100 GMT
Position 17.4N 127.7E
Location 421 miles ENE of Manila, Philippines
Movement 350° (N) at 6 knots
Maximum sustained winds 50 knots gusting to 65 knots
Winds of 34 knots or higher occur within 75 to 120 miles of the centre
Threatened landmasses Taiwan
Maximum significant wave height 14 feet
Next warning from JTWC at 2100 GMT

Nesat will move north, later northwest whilst intensifying quickly. The system will peak at 85 knots prior to approaching Taiwan after 4 days, and making final landfall in China the day after.

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System No Invest Assigned
Position 10N 24W
Likelihood of tropical cyclone formation within 48 hours is LOW (0%)
Likelihood of tropical cyclone formation within 5 days is LOW (20%) 

No comments: