Hawaiian Islands Satellite Interpretation Message
Thu, 25 Nov 2010 12:30:00 -0600
Based on data through 1800 UTC November 25 2010.
Water vapor imagery shows an upper level trough digging in to the east of the main Hawaiian islands. The trough axis extends along a line from 27°N 140°W to 22°N 153°W. The upper level low associated with the trough is located near 26°N 141°W. High clouds from the ITCZ are streaming to the northeast along the southern and eastern side of the upper trough. Isolated thunderstorms are also noted in addition to the high clouds.
Thunderstorms are also found in the ITCZ in two main areas. The first area is between 6°N and 10°N from 136°W to 150°W with isolated thunderstorms reaching near 47 thousand feet. The other area is centered near 7°N 166°W with tops near 50 thousand feet.
Low clouds are concentrated over the eastern sides of the main Hawaiian islands this morning to varying degrees. On Kauai, low clouds cover the eastern two thirds of the island. On Oahu, the low clouds are confined to the Koolau mountain range, and the adjacent coastal areas. Molokai has low clouds over the Halawa Valley, while Lanai and Kahoolawe are virtually cloud free this morning. On Maui, clouds are plentiful over the east facing slopes of the west Maui mountains, and over the east facing slopes of Haleakala.
Three main areas of low clouds are noted on the Big Island at 8 am. The first area is over the east facing slopes of the Kohala mountains. The next area is over the east facing slopes of the north Hilo, south Hilo and Puna districts. The final area is over the west facing slopes of the Kau and south Kona districts. The clouds over the south Kona district are beginning to spill over into the north Kona district at 8 am.
Low clouds upstream of the islands are moving from the east around 25 mph.
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