Hawaiian Islands Satellite Interpretation Message
Thu, 21 Oct 2010 13:30:00 -0500
Based on data through 1800 UTC October 21 2010.
Water vapor imagery continues to show the upper level trough near the south end of the main Hawaiian islands. The associated upper level low is more than 2100 miles north northeast of Honolulu near 45.5°N 134.2°W.
A batch of low clouds moved over Oahu about 6 hours ago, and these clouds continue to cover most of Oahu at 8 am. The area of clouds extends about 25 miles north of Oahu, and about 85 miles to the south. To the south of Oahu, some of the cloud tops are reaching near 24000 feet.
Aside from the clouds over Oahu, the remaining islands have just a few clouds overhead. On Kauai, the clouds are over the eastern third of the island, .while on Molokai, the clouds are forming over Halawa Valley on the east side of the islands. Lanai has clouds along the east facing slopes. Similarly on Maui the clouds are found over the east facing slopes of the west Maui mountains and the east slopes of Haleakala from huelo to Hana to Kipahulu. Just a few clouds are found on the Big Island over the Puna district near Cape Kumukahi.
High clouds are noted to the south of the main Hawaiian islands. The high clouds are moving in the upper level wind flow on the east and south side of the above mentioned upper level trough. The trough is oriented roughly east to west near the islands, with the high clouds about 55 miles south of the Big Island at 8 am.
Itcz thunderstorm activity is noted southwest of the islands this morning. The thunderstorms are south of 15°N and west of 164°W with tops reaching near 51000 feet.
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