Hawaiian Islands Satellite Interpretation Message
Fri, 14 Jan 2011 23:30:00 -0600
Based on data through 0500 UTC January 15 2011.
The most noticeable cloud feature across the central north Pacific is an area of overcast layered clouds bounded by a line from 40°N 140°W to 28°N 153°W to 35°N 157°W to 47°N 150°W to 40°N 140°W. Merging within this cloud area is a 300 mile wide band of overcast layered clouds north of a line from 42°N 152°W to 36°N 170°W to 38°N 180°W. A ragged 300 mile wide band of broken to overcast layered clouds extends north and west of a line from 32°N 155°W to 28°N 160°W to 23°N 170°W to 19°N 180°W. This cloud band marks a cold front which is moving toward the southeast at 15 mph. Isolated cumulonimbus, CB, are embedded within the frontal cloud band north of 22°N. The leading edge of the frontal cloud band is about 350 miles northwest of Kauai.
Low clouds are rather sparse southeast of the frontal cloud band, including across local Hawaiian waters. A broad anticyclonic circulation, the subtropical ridge, is noted along an axis roughly along a line from 26°N 140°W to 22°N 154°W to 20°N 165°W. Cloud cover is generally scattered north of 10°N, southeast of the frontal cloud band, and west of 145°W. Water vapor loop shows a strong jetstream west of the frontal cloud band along 30°N, associated with a band of clearing and subsidence just west of the frontal cloud band.
The subtropical ridge lies across the main Hawaiian islands, with light to moderate easterly flow noted near the Big Island and light southerly flow noted near Kauai. A weak low cloud band extends south southwest from Kauai within an area of local low level convergence. Cloud tops are warm here and radar shows almost no associated shower activity. Cb briefly fired just west of the Mauna Loa and Mauna Kea summits this afternoon, but this activity has ceased. Broken low clouds cover the southern half of Kauai, while Oahu has scattered low clouds to clear skies. Scattered to patchy broken low clouds dot skies across the islands of Maui county. The Big Island has residual broken low clouds across Kau district and up the Kona side from Milolii to Captain Cook. Broken low clouds are also noted across windward Kohala slopes.
POWELL
To change your subscriptions or preferences or stop subscriptions anytime, log in to your User Profile with your e-mail address. For questions or problems with the service, contact support@govdelivery.com.
This service is provided by NOAA’s National Weather Service.
GovDelivery, Inc. (800-439-1420) sending on behalf of NOAA's National Weather Service · 1325 East West Highway · Silver Spring, MD 20910
No comments:
Post a Comment