Hawaiian Islands Satellite Interpretation Message
Thu, 16 Sep 2010 19:30:00 -0500
Based on data through 0000 UTC September 17 2010.
High pressure centered 400 miles north of the state are providing trade winds across the central Pacific from the equator to 26°N. Low clouds are moving along with the trades between 10 to 20 mph. Scattered to broken low stratocumulus are located between 10°N and 23°N from 140°W to 170°W. North of 23°N to 30°N skies are mostly clear with a high pressure ridge running along 27°N producing the clearer skies.
Windward and mountain areas of the main islands, except Oahu, have mostly cloudy skies with trade winds pushing moisture up the mountain slopes. Oahu has mostly clear skies on both windward and leeward sides of the island. The leeward coast and lower slopes of the Big Island, the lower slopes of the Kau district, and the lower slopes of Haleakala have mostly cloudy skies. Other leeward locations have partly cloudy to mostly clear skies. Windward coastal waters have patches of overcast skies mixed with partly cloudy skies. The coastal waters have mostly clear skies with patches of broken clouds moving along with trade winds.
Water vapor imagery shows an upper level low spinning near 20°N and the dateline. The upper low is producing scattered thunderstorms near the center of the low with cloud tops reaching 47 thousand feet.
Far south of the islands within the intertropical convergence zone, scattered thunderstorms are forming between 5°N and 13°N. Within the same area, unorganized convection is associated with a weak surface low near 11°N 142°W and a weak surface trough near 11°N 159°W. Cloud top heights are reaching as high as 52 thousand feet in these thunderstorms.
MORRISON
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