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This page was last loaded at 12:14 pm HST Dec 21, 2014 (2214 GMT Dec 21, 2014)

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Tropical Outlook Sea Surface Temperatures CPAC Satellite EPAC Satellite Widgets Satellite Message Forecast Discussion

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Issued: Dec 21, 2014 8:30 AM HST

Based on data through 8:00 am Dec 21 2014 HST

A frontal cloud band was just under 200 miles northwest of Kauai this morning. The actual front was about 260 miles west northwest of Kauai at 8 am this morning. Prefrontal clouds preceded the front and the main cloud band. The front was moving toward the islands around 15 miles an hour.

The east edge of the associated cloud band which included the prefrontal clouds stretched through 30°N 157°W to 24°N 163°W to 20°N 180°E. The band consisted of broken to overcast low clouds S of 25°N latitude and overcast low to mid level clouds between 25°N and 30°N. The band was mostly between 200 and 225 miles wide between 20°N and 30°N. Behind the frontal band, numerous but widely separated patches patches of scattered to broken low clouds were common.

Skies were mostly clear between the front and Kauai. But several large clusters of broken to overcast low clouds, a mix of stratocumulus and cumulus clouds were spread out across the state from the Kauai channel to the Big Island. These clouds filled much of the region between 20°N and 20°N between 168°W and 140°W. The low clouds were moving west into the Big Island then splitting with some going northwest to the north of Apua Point. Other clouds were continuing west to the south of Apua Point, the easternmost point on the Big Island. The clouds east of the Maui county and Oahu were flowing toward the north. But those in the immediate vicinity of those islands appeared to be fairly stagnant.

At 8 am, skies were mostly clear over Kauai, Maui and Molokai as well as over most of the Big Island. Some cloudy skies were noted over all but the east part of Oahu and over the east part of the Big Island, mainly the Puna district. Lanai was mostly cloudy as one large cloud cluster Sat just southwest of that island.

Hawaii Visible Satellite image for 1800 UTC

Central Pacific Infrared Satellite image for 1800 UTC

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The Eastern Pacific Hurricane season runs from May 15 to November 30.

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