Iselle becomes remnant low as tracks south of islands

Iselle becomes remnant low as tracks south of islands
Iselle at 5:30 a.m. Saturday
Iselle at 5:30 a.m. Saturday

HONOLULU (HawaiiNewsNow) - At 11 pm the center of post-tropical cyclone Iselle was located about 150 miles southwest of Lihue.  The post-tropical cyclone is moving toward the west near 14 mph and this motion is expected to continue for the next 48 hours.

Maximum sustained winds are near 35 mph with higher gusts. Some weakening is forecast during the next 48 hours. The post-tropical remnant low is expected to weaken to a trough by Monday night.

The Tropical Storm Warning has been discontinued for all islands.

Forecasters say, "The shear is expected to increase along the west-northwesterly track of the cyclone in response to a digging upper trough over the northwest hawaiian islands this weekend. This should inhibit redevelopment of persistent deep convection and allow the system to continue to spin down."

Periods of heavy rainfall are possible. Soils are saturated, and any additional rainfall will lead to flash flooding. A Flash Flood Watch continues for Oahu and Kauai County until noon Saturday. 

(Track Iselle and Julio with the Hawaii News Now Hurricane Tracker)

The following is a list of maximum wind gusts recorded across the state of Hawaii over the 24 hour period ending at 8 a.m. August 8.

The wind gusts are reported in miles per hour. These preliminary values are from provisional reports from automated gages that have not been quality controlled. Wind speeds are in miles per hour.  


Lihue Airport 33
Port Allen ap 30 


Oahu forest nwr 72
Waianae Valley 43
Honolulu airport 41
Bellows AFS 37
Kahuku training area 35
Mokuoloe is. 35
Honolulu Harbor 34


Molokai 1 57
Makapulapai 45
Molokai Airport 44
Puu Alii 31


Lanai 1 54
Lanai ap 62
Kealialalo 67
Kaneloa 62
Kahoolawe 60
Konokanaia 56


Kula 1 61
Kahului airport 55
Kaupo gap 55
Kahului nos 46
Kapalua-w. Maui ap 40 


Mauna Kea 91
Pali 2 66
Kealakomo 64
Kawaihae 59
Hilo Harbor 56
Kamuela airport 55
Hilo Airport 54
Kawaihae nos 54
Kapapala raws 52
Mauna Loa slope obs 51
Upolu airport 51
PTA Keamuku 50
Kona INTL Airport 45
PTA kipuka alala 45
Waikoloa 45
Kohala ranch 44
PTA range 17 44
Bradshaw aaf 43
Keaumo 41
PUU Waawaa 40
PTAwest 38
Kaupulehu 37
Kahuku ranch 35
South point 33
Waiakea exp stn 30

Iselle is the tenth named tropical cyclone in the Eastern Pacific this hurricane season. We are only two months into the six month season, which runs through November 30. 

The forecast track for Hurricane Julio remains north of the Hawaiian islands, with the center of the storm passing north of the state Sunday into Monday.

Stay tuned for the latest forecasts and check out our HNN Hurricane page and Interactive Radar.

You can also get the latest Iselle updates on your mobile phone click HERE or search the app/play store for Hawaii News Now Weather. We also have the latest Iselle track and graphics on our mobile news app, just click on the weather tab. 

Related Link:

PHOTOS: Hawaii prepares for Iselle and Julio

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