29 July 2017 - bulletin 434

Updated at 2130 GMT
Latest warnings for 09E, 10E, 07W, 11W and 12W



EASTERN PACIFIC OCEAN
Tropical storm Hilary / 09E
Warning 34 from NHC at 2100 GMT
Position 22.3N 122.5W
Location 805 miles W of the southern tip of Baja California
Movement 310° (NW) at 11 knots
Maximum sustained winds 50 knots gusting to 65 knots
Winds of 34 knots or higher occur within 80 miles of the centre
Minimum central pressure: 998 mbar
Threatened landmasses NONE
Next warning from NHC at 0300 GMT

Hilary will move generally westnorthwest. The system will weaken slowly over the next few days as and after it merges with Irwin.

Tropical storm Irwin / 10E

Warning 30 from NHC at 2100 GMT
Position 15.6N 124.5W
Location 1075 miles WSW of the southern tip of Baja California, Mexico
Movement 360° (N) at 6 knots
Maximum sustained winds 50 knots gusting to 65 knots
Winds of 34 knots or higher occur within 70 miles of the centre
Minimum central pressure: 998 mbar
Threatened landmasses NONE
Next warning from NHC at 0300 GMT

Irwin is quasi-stationary at the moment, but will start to move north later today, as Hilary approaches. Irwin will then circle round the other cyclone, until it dissipates. 

NORTHWESTERN PACIFIC OCEAN

Tropical storm Noru / 07W
Warning 37 from JTWC at 2100 GMT
Position 24.5N 141.9E
Location 28 miles SE of Iwo To
Movement 195° (SSW) at 8 knots
Maximum sustained winds 60 knots gusting to 75 knots
Winds of 34 knots or higher occur within 70 to 90 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 24 feet
Next warning from JTWC at 0300 GMT

Noru is moving southwest. The storm will strengthening to 75 knots. After two days, Noru will veer round to the northwest.

Tropical storm Nesat / 11W
Warning 16 from JTWC at 2100 GMT
Position 25.2N 120.3E
Location 65 miles W of Taipei, Taiwan
Movement 295° (WNW) at 14 knots
Maximum sustained winds 60 knots gusting to 75 knots
Winds of 34 knots or higher occur within 105 to 150 miles of the centre
Threatened landmasses Taiwan, China
Maximum significant wave height 22 feet
Next warning from JTWC at 0300 GMT

Nesat has passed across northern Taiwan and has continued to weaken. The storm will make final landfall in China, and dissipate inland, west of Shanghai. 

Tropical storm Haitang / 12W
Warning 07 from JTWC at 2100 GMT
Position 19.5N 118.0E
Location 271 miles SE of Hong Kong
Movement 035° (NE) at 5 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 75 to 120 miles of the centre
Threatened landmasses Taiwan, China
Maximum significant wave height 12 feet
Next warning from JTWC at 0300 GMT

Haitang is moving northeast, pass close to western Taiwan and will make landfall in mainland China south of Shanghai.

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System No Invest Assigned
Position 13N 32W
Likelihood of tropical cyclone formation within 48 hours is LOW (0%)
Likelihood of tropical cyclone formation within 5 days is LOW (20%)

NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 1330 GMT
System 95W
Position 29.1N 163.7E
Location 699 miles NW of Wake Island
Likelihood of tropical cyclone formation within 24 hours is MEDIUM

System 96W
Position 32.7N 170.6E
Location 677 miles NW of Midway Atoll
Likelihood of tropical cyclone formation within 24 hours is LOW

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