Hawaiian Islands Satellite Interpretation Message
Fri, 28 Jan 2011 12:30:00 -0600
Based on data through 1800 UTC January 28 2011.
Water vapor imagery shows an upper level low near 11°N 144°W, or about 900 miles southeast of the Big Island. This low is moving to the east at 15 mph. Broken middle and high level clouds associated with this low are located generally east of 146°W and south of 17°N. Isolated towering cumulus and cumulonimbus clouds are embedded within the layered clouds. Clouds top extend up to 38000 ft.
To the northwest of the state, the leading edge of a cloud band associated with a cold front extends from 30°N 168°W to 25°N 180°, or from 600 miles east northeast of Midway atoll to 300 miles south southwest of Midway. This band is 300 miles wide and is composed of overcast layered clouds extending up to 25000 ft. Additional overcast low clouds are located to the northwest of the deeper frontal band. The leading edge of the cloud band is moving to the east at 20 to 30 mph.
A second cold front is located far north northeast of the state. An area of broken to overcast middle and high level clouds associated with this system is located generally between 143°W and 151°W north of 28°N. These clouds are moving to the east at 30 to 40 mph. Additional patchy high clouds are located farther south and east, generally north of 26°N east of 148°W.
Across the main Hawaiian islands, scattered to broken low clouds are located over the interior of Kauai. Broken to overcast low clouds are located over much of Oahu, and extend 40 miles offshore to the west. Broken low clouds cover Molokai, and also extend offshore to the west. Broken low clouds cover the windward terrain of Lanai. Broken to overcast low clouds cover the west Maui mountains, and also windward sections of Haleakala from Paia to Hana to kaupo below 7000 ft. These clouds extend 70 miles offshore to the northeast.
On the Big Island, broken low clouds cover the windward slopes of the Kohala range. Broken to overcast clouds cover much of south Hilo and Puna districts, as well as north Hilo district below 7000 ft. Broken low clouds are located over Kau district below 3000 ft east of wood valley, with scattered to broken clouds below 7000 ft west of Naalehu.
Beyond the main Hawaiian islands, an area of broken to overcast low clouds extends east of the Big Island through 140°W. These clouds are greatest in coverage between 18°N and 28°N, and are moving to the east at 20 mph. North of 20°N, this area is composed primarily of stratocumulus and stable closed cell cumulus elements. South of 20°N, these area is composed primarily of showery open cell cumulus elements. Scattered to broken low clouds are located downstream of the state, generally between 12°N and 22°N. These clouds are also moving to the west at 15 to 20 mph.
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