4 August 2017 - bulletin 452

Updated at 2100 GMT
Latest warnings for 11E, 07W and 13W
Disturbance update


NORTHWESTERN PACIFIC OCEAN
TYPHOON Noru / 07W
Warning 61 from JTWC at 2100 GMT
Position 29.2N 130.4E
Location 213 miles NE of Kadena AB, Okinawa
Movement 320° (NW) at 3 knots
Maximum sustained winds 80 knots gusting to 100 knots
Winds of 34 knots or higher occur within 90 to 120 miles of the centre
Winds of 64 knots or higher occur within 35 miles of the centre
Threatened landmasses Kyushu, Japan
Maximum significant wave height 36 feet
Next warning from JTWC at 0300 GMT

Noru is moving northwest. The storm's intensity will gradually increase to 100 knots over the next day or so. Noru is in the process of turning north, later northeast to make landfall into Kyushu on August 6th. Noru will then rapidly weaken as it tracks into the Sea of Japan.

Tropical storm Nalgae / 13W
Warning 16 from JTWC at 2100 GMT
Position 30.9N 162.4E
Location 601 miles NE of Minami Tori Shima
Movement 360° (N) at 11 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 55 to 140 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 14 feet
Next warning from JTWC at 0300 GMT

Nalgae is moving north. The system will maintain current intensity before becoming extra-tropical.

EASTERN PACIFIC OCEAN

Tropical depression 11E
Warning 02 from NHC at 2100 GMT
Position 18.0N 110.2W
Location 340 miles S of the southern tip of Baja California
Movement 300° (WNW) at 12 knots
Maximum sustained winds 30 knots gusting to 40 knots
Minimum central pressure 1007 mbar
Threatened landmasses NONE
Next warning from NHC at 0300 GMT

11W will move westnorthwest. The system will not intensify, and is expected to dissipate within a day or two.

TROPICAL DISTURBANCE UPDATE
NORTHWESTERN PACIFIC OCEAN

Update from JTWC at 0600 GMT
System 98W
Position 28.3N 174.2E
Location 440 miles W of Midway Island
Likelihood of tropical cyclone formation within 24 hours is LOW 

NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System 99L
Position 9.9N 22.7W
Likelihood of tropical cyclone formation within 48 hours is MEDIUM (40%) 
Likelihood of tropical cyclone formation within 5 days is HIGH (80%)  

System 90L
Position 12.3N 67.3W
Likelihood of tropical cyclone formation within 48 hours is LOW (20%) 
Likelihood of tropical cyclone formation within 5 days is MEDIUM (50%)

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