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Satellite Interpretation Message

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Issued: Oct 31, 2014 2:30 PM HST


Based on data through 2:00 pm Oct 31 2014 HST


Water vapor imagery showed an upper level low near 19°N 159°W or about 190 miles south of Honolulu. The low was moving south near 10 miles an hour. The low was spawning a handful of TCU, or towering cumulus, and/or small, weak, short-lived type thunderstorms in the immediate vicinity of Molokai and the Kaiwi Channel between Molokai and Oahu. The highest cloud tops in this area were between 30000 and 32000 feet. The TCU and CB were moving southwest slowly.

A swath of cirrus clouds was located around 100 miles southwest of the Big Island this afternoon. These high clouds were flowing northeast off the tops of thunderstorms forming further south in the tropics. One cluster of scattered thunderstorms was noted between 10°N and 13°N from 145°W to 155°W. And many more thunderstorms were forming within the ITCZ, or intertropical convergence zone from 05°N to 10°N between 150°W and 180°E. The area of broken to overcast cirrus southeast of the Big Island was mostly located within 700 miles east of a line from 13°N 157°W to 20°N 150°W.

A large cluster of mostly broken cumulus clouds was moving across the north half of the island chain. This elongated cluster was about 75 miles wide and was centered between Niihau and a point 250 miles east of Kauai. This cluster and other clouds in the vicinity of the state were being driven west by strong trade winds at 25 to 35 miles an hour.

Hawaii Visible Satellite image for 0000 UTC

Central Pacific Infrared Satellite image for 0000 UTC