Friday, August 22, 2014 596-SURF , 596-WAVE , 922-BONG , 638-RUSH , 572-SURF(MAUI) , 241-SURF (KAUAI) , 324-RUSH (BIG ISLAND)
   
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Issued: Aug 21, 2014 2:30 PM HST


Based on data through 2:00 pm Aug 21 2014 HST


Water vapor imagery shows an upper level trough from 18°N 180° to 23°N 173°W, passing about 400 miles southeast of Midway atoll. Broken cirrus and cirrocumulus clouds are located within 300 miles south of this trough. An area of showery cumulus clouds is also located through this area, with embedded towering cumulus elements. Cloud tops extend up to 15000 ft.

Farther north, a cold front is located north and west of the area, and passes through 30°N 180°. Isolated cumulonimbus clouds are located within 100 miles southeast of the front. Cloud tops extend up to 38000 ft. An upper level trough is located near 30°N 155°W, or about 600 miles north-northeast of Honolulu, that extends from a low well north of the area. This trough is moving to the east at 10 to 15 mph.

Isolated cumulonimbus clouds are located south of the state, in the broad area south of a line from 11°N 168°W to 14°N 159°W to 14°N 146°W to 12°N 140°W. These clouds are focused near a low pressure center near 13°N 147°W, which is nearly stationary, and a trough near 10°N 164°W, which is moving west slowly. Cloud tops extend up to 48000 ft near the low, and up to 38000 ft near the trough.

Across the main Hawaiian islands, broken low clouds cover the interior of Kauai and Niihau. An area of broken to overcast low clouds covers Oahu and Molokai, and extend 40 miles offshore to the northeast and 20 miles offshore to the southwest. Broken to overcast low clouds cover interior and leeward sections of Lanai, as well as the interior of the west Maui mountains. Broken to overcast low clouds also cover the lower slopes of Haleakala below 8000 ft, with scattered to broken clouds across the summit.

On the Big Island, broken to overcast low clouds cover the windward slopes of the Kohala range, and extend along the windward coast through Puna district. Broken to overcast low clouds also cover much of Kau district below 8000 ft, and north and south Kona districts from Keahole Point southward. Broken clouds also cover north and northwest slopes of Mauna Kea and Mauna Loa up to 12000 ft.

Hawaii Visible Satellite image for 0000 UTC

Central Pacific Infrared Satellite image for 0000 UTC


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