6 June 2018 - bulletin 379

Updated at 2300 GMT
Latest warnings for 05W and 02E
Disturbance update


NORTHWESTERN PACIFIC OCEAN
Tropical depression Ewiniar / 05W
Warning 19 from JTWC at 2100 GMT
Position 20.4N 110.7E
Location 226 miles WSW of Hong Kong
Movement 060° (ENE) at 2 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses China
Maximum significant wave height 10 feet
Next warning from JTWC at 2100 GMT

Ewiniar is located near the Leizhou peninsula, just north of Hainan Island, and will strengthen a little before moving ashore, west of Hong Kong. 

Hong Kong warnings
The stand-by signal #1 is in force

EASTERN PACIFIC OCEAN

Tropical storm Aletta / 02E
Warning 04 from NHC at 2100 GMT
Position 14.2N 107.9W
Location 410 miles SW of Manzanillo, Mexico
Movement 270° (W) at 7 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 80 miles of the centre
Threatened landmasses NONE
Minimum central pressure 1000 mbar
Next warning from NHC at 2100 GMT

Aletta is moving westwards into the open Pacific, and will strengthen to 80 knots within 3 days. Adverse conditions will then prompt rapid weakening.

TROPICAL DISTURBANCE UPDATE
NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 1630 GMT
System 90W
Position 13.1N 128.8E
Location 760 miles SSE of Kadena AB
Likelihood of tropical cyclone formation within 24 hours is HIGH

EASTERN PACIFIC OCEAN
Update from NHC at 1800 GMTSystem No Invest Assigned
Position 10N 90W
Likelihood of tropical cyclone formation within 48 hours is LOW (30%)
Likelihood of tropical cyclone formation within 5 days is HIGH (80%)

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