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Satellite Interpretation Message

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Issued: Jul 29, 2014 7:30 PM HST

Based on data through 7:00 pm Jul 29 2014 HST

Water vapor satellite imagery shows a long wave trough aligned around a line from 30°N 150°W to 23°N 158°W. This trough is moving E at around 10 mph.

Around the main Hawaiian islands, broken low clouds can be observed over the windward slopes of the Big Island from Hilo to Hawi, and across leeward areas from Waikaloa village to Milolii. Scattered to locally broken low clouds with a few showers linger over the SE slopes of Mauna Loa from Mountain View to Hawaiian ocean view estates. On Maui county, mainly scattered low clouds are streaming across windward slopes of Maui and Molokai with patches of broken low clouds lingering over leeward Haleakala from keokea to Ulupalakua, extending SW into Kahoolawe. Locally broken low clouds also linger over the W Maui mountains. On Oahu, mainly scattered low clouds can be observed with lines of broken low clouds covering the ridge tops of the Koolau mountains. On Kauai county, locally broken low clouds can be observed over portions of central and leeward Kauai.

The Central Pacific Hurricane Center is issuing advisories on tropical depression Genevieve. The system is located about 550 miles SE of Hilo, and is moving W around 5 mph. This system has winds of 35 mph gusting to 45 mph. Layered and tower cumulus clouds associated with Genevieve cover much of the area between 10.7°N to 16.6°N and 146.1°W to 150.8°W, with cloud tops ranging from 45 to 51 thousand feet. For further information about tropical depression Genevieve, please see bulletins under WMO header WTPA32 PHFO or AWIPS header TCPCP2.

Elsewhere, mainly scattered cumulus and stratocumulus cover the area with individual cloud elements moving W at 15 to 20 mph. Far NW of the main Hawaiian islands, a 100 mile-wide band of layered and high clouds oriented NE to SW is moving over midway/pearl hermes atolls.

Far S of the island chain, deep convection associated with the intertropical convergence zone, or ITCZ, extends between 07°N to 16°N and 151°W to 177°W. A cluster of active thunderstorms is centered around 12.6°N 162.5°W, or about 630 miles SW of the Big Island. Another cluster is centered around 11.8°N 165.0°W, or about 800 miles SW of Oahu. Cloud tops in these clusters are reaching 50 to 53 thousand feet.

Hawaii Infrared Satellite image for 0500 UTC

Central Pacific Infrared Satellite image for 0500 UTC