Hawaiian Islands Satellite Interpretation Message
Fri, 12 Nov 2010 18:30:00 -0600
Based on data through 0000 UTC November 13 2010.
Water vapor imagery shows a northeast through southwest oriented upper level trough that is centered a couple of hundred miles west northwest of Kauai. The trough has been nearly stationary over the past several hours. The main cloud feature associated with this trough is a broad swath of cirrus clouds streaming northeastward on the east side of the upper trough. These high clouds are streaming across most of the main Hawaiian islands with its northern edge moving over the island of Oahu. The northern edge of these cirrus clouds has been shifting slowly southward over the past several hours.
The above mentioned high clouds is helping to obscure the low cloud coverage over and around the main Hawaiian islands. With Kauai being nearly free of high clouds over them patches of low clouds can be seen over north and east facing slopes as well as interior sections of the island. Otherwise the high clouds is making is difficult to see low clouds beneath them but surface observations indicate that there is a typical windward and mauka distribution of low clouds over windward and mauka areas.
Just upwind of the islands lies two areas of showery looking clouds. The first is a small cluster of clouds that lies just to the southeast of the Big Island. On its current track most of these cloud should pass south of the Big Island with the northern edge possibly reaching the Kau coast. A second area is a west northwest through east southeast band of showery looking clouds. This band of clouds is generally moving toward the west with the exception of its west end where clouds are moving more toward the northwest rounding a surface ridge to our north.
BURKE
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