Hawaiian Islands Satellite Interpretation Message
Thu, 25 Nov 2010 18:30:00 -0600
Based on data through 0000 UTC November 26 2010.
Water vapor imagery shows an upper level low near 25°N 143°W. An associated upper level trough axis extends through the low to 20°N 153°W. High clouds continue to stream to the northeast along the south and east side of the upper trough. Isolated thunderstorms are found near the south end of the trough with tops near 37 thousand feet. Another larger thunderstorm area associated with the upper low is centered near 17°N 144°W with tops reaching near 45 thousand feet.
In general low clouds have thinned over the main Hawaiian islands since daybreak. Scattered clouds are found over Kauai early this afternoon. On Oahu, most of the clouds remain over the Koolau range, but have thinned since sunrise. Additional clouds are beginning to form over the Waianae range at 2 pm. Clouds remain over the Halawa Valley on Molokai, and only a few clouds are noted over Molokai and Lanai. On Maui, clouds thinned a bit over the east facing slopes of the west Maui mountains and over the east facing slopes of Haleakala. Over the last couple of hours, a few clouds have formed over the west facing slopes of Haleakala.
Three main areas of clouds remain over the Big Island at 2 pm. The clouds over the east facing slopes of the Kohala mountains have thinned, as have the clouds over the north Hilo, south Hilo and Puna districts. Clouds have almost disappeared entirely over the Kau district, while clouds have expanded over the south Kona and north Kona districts.
Low clouds upstream of the islands are moving from the east around 25 mph.
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