5 July 2015 - bulletin 423

Updated at 0900 GMT
Latest warnings for 09W, 10W and 11W
Disturbance update


NORTHWESTERN PACIFIC OCEAN
Tropical storm Chan-hom / 09W
Warning 20 from JTWC at 0900 GMT
Position 14.1N 145.3E
Location 33 miles NE of Andersen AFB, Guam
Movement Quasi-stationary
Maximum sustained winds 50 knots gusting to 65 knots
Winds of 34 knots or higher occur within 75 to 85 miles of the centre
Threatened landmasses Northern Marianas Islands, Ryuku Islands, China
Maximum significant wave height 18 feet
Next warning from JTWC at 1500 GMT

Chan-hom is intensifying as it has temporarily stalled in the Marianas. The storm is expected to regain typhoon strength tomorrow. Chan-hom will continue to strengthen to 120 knots after 4 days.

Regional warnings
A tropical storm WARNING is in force for Guam and Rota

Tropical storm Linfa / 10W
Philippines designation Egay
Warning 14 from JTWC at 0900 GMT
Position 17.9N 121.2E
Location 198 miles N of Manila, Philippines
Movement 325° (NW) at 6 knots
Maximum sustained winds 45 knots gusting to 55 knots
Winds of 34 knots or higher occur within 65 to 80 miles of the centre
Threatened landmasses Philippines, Taiwan
Maximum significant wave height N/A
Next warning from JTWC at 1500 GMT

Linfa is inland over northern Luzon, but is expected to reemerge over open waters south of Taiwan. The system will reintensify to 60 knots before making landfall in southern Taiwan.

Philippines warnings

Public storm warning signal #2 is raised in the Luzon provinces of
Batanes, Cagayan including Calayan and Babuyan group of Islands, Apayao, Kalinga, Ilocos Norte, Ilocos Sur and Abra.

Public storm warning signal #1 is raised in the Luzon provinces of Pangasinan, Isabela, Benguet, La Union, Mt. Province and Ifugao.

Tropical storm Nangka / 11W
Warning 08 from JTWC at 0900 GMT
Position 11.3N 163.5E
Location 66 miles ESE of Enewetak
Movement 275° (W) at 12 knots
Maximum sustained winds 50 knots gusting to 65 knots
Winds of 34 knots or higher occur within 45 to 60 miles of the centre
Threatened landmasses Micronesia
Maximum significant wave height 18 feet
Next warning from JTWC at 1500 GMT

Nangka will move westnorthwest, whilst intensifying steadily. The system will strengthen to at least 105 knots after 5 days.

Regional warnings
A typhoon warning is in force for Enewetak atoll

TROPICAL DISTURBANCE UPDATE
EASTERN PACIFIC OCEAN
Update from NHC at 0600 GMT
System 95E
Position 13.9N 138.9W
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 5 days is LOW (20%)

System 96E
Position 7.4N 122.8W
Likelihood of tropical cyclone formation within 48 hours is MEDIUM (60%)
Likelihood of tropical cyclone formation within 5 days is HIGH (90%)