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Current Watches, Warnings and Advisories for Hawaii Issued by the National Weather Service

There are no active watches, warnings or advisories
Author: w-nws.webmaster@noaa.gov
Posted: June 29, 2016, 10:47 am

 

 

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message

Based on data through 0000 UTC June 29 2016.
Posted: June 29, 2016, 12:30 am

Surface high pressure centered north of the area is driving a trade wind flow across the entire region, while a broad upper level trough over the northern half of the region is producing a swath of scattered to locally broken high clouds roughly between 17°N and 26°N.

Mainly scattered low clouds near the islands are traveling from the east to east-northeast around 15 mph. This is resulting in broken to overcast low clouds over windward terrain, while leeward areas are partly to mostly cloudy. As mentioned above, thin, mainly scattered low clouds are streaming overhead, though broken high clouds continue to pass over the Big Island.

A pair of weak surface troughs are moving along the trade wind flow near the islands. The first trough which has now to the northwest of Kauai is marked by a 75 mile- wide area of broken low clouds along its northwest flank. The second trough is now southwest of the Big Island and the low clouds are obscured by the broken high clouds.

Clouds in the trade wind flow become increasingly stable about 525 miles east of the Big Island. By 980 miles east of the Big Island, near 140°W, cloud cover decreases substantially, suggesting a drying of the air mass.

Elsewhere, aside from a lone cluster of thunderstorms near 13°N 141°W, thunderstorm activity within the ITCZ is confined south of 10°N.

Posted: June 29, 2016, 12:30 am

 

 

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