Hawaiian Islands Satellite Interpretation Message
Sat, 06 Nov 2010 19:30:00 -0500
Based on data through 0000 UTC November 07 2010.
A subtropical high is centered at 30°N 152°W and is driving moderate to fresh easterly trade winds across the majority of the central Pacific basin. South of the high, scattered to broken stratocumulus cover an area between 21°N to 30°N and 133°W to 175°W. These clouds are being carried by the trades and moving west at 20 to 25 mph. A nearly dissipated narrow band of stratus clouds from an old front runs from the southeast coast of the Big Island east to 18°N 146°W to 22°N 130°W. Radar is showing numerous showers over the southeastern Big Island and adjacent waters as a result. Scattered showers cover the remainder of the main Hawaiian islands this afternoon. Most of these are hitting windward and mauka sides of the islands, with showers occasionally reaching leeward locations.
Visible images show scattered to broken cumulus clouds over windward waters extending 50 to 150 miles upstream of the main Hawaiian islands with the more dense cloud cover across the western windward waters. Clouds pushing onto windward and mauka portions of all of the main Hawaiian islands. Many of this cloud cover is flowing over to leeward sides as well. Over leeward waters, a cluster of broken to overcast cumulus and stratus clouds cover downstream of the islands to a point at 19°N 162°W.
On Kauai, small breaks in the clouds are observed just on the leeward part of the island while other areas have broken to overcast clouds. Oahu has overcast clouds over the whole island. Molokai has broken clouds over the windward side while just a few clouds across the remainder of the island. Lanai has a broken patch of clouds over the southern half of the island. Maui has thick cloud build ups on windward west Maui and Haleakala slopes to up near the summit. The central interior and far southeastern coast has a few breaks this afternoon. The Big Island is almost all overcast clouds this afternoon. A small break in the clouds is observed over the saddle between Mauna Kea and Mauna Loa.
Elsewhere, a few high clouds are bounded between 11°N to 29°N and 164°W to 173°E. These are due to a weak upper level disturbance centered near 20°N 178°E.
Far south of the Hawaiian islands in the ITCZ, scattered thunderstorms cover an area from 05°N to 11°N and 143°W to far west of the dateline westward. Cloud tops within these thunderstorms reach a height of 49 kft. Cirrus clouds from tops blowing north away from the thunderstorms is visible on satellite between 146°W to 156°W extending as far north as 16°N.
FOSTER
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