Weather Alert in Hawaii
Winter Storm Warning issued February 7 at 5:04PM HST until February 9 at 6:00PM HST by NWS Honolulu HI
AREAS AFFECTED: Big Island Summit
DESCRIPTION: ...WINTER STORM WARNING IN EFFECT FOR THE BIG ISLAND SUMMITS ABOVE 11000 FEET... .A disturbance aloft in combination with abundant moisture will bring periods of heavy snowfall to the Big Island summits of Mauna Kea and Mauna Loa Sunday through Monday. * WHAT...Heavy snow. Total snow accumulations 10 to 16 inches. Southerly winds could gust as high as 45 mph. * WHERE...Big Island Summits. * WHEN...From 6 AM Sunday to 6 PM HST Monday. * IMPACTS...Travel could be very difficult to impossible. Blowing snow will significantly reduce visibility at times, with periods of zero visibility.
INSTRUCTION: A Winter Storm Warning means significant amounts of snow, sleet, and ice are expected or occurring. Strong winds are also possible. This will make travel very hazardous or impossible. Any travel plans to the summits should be postponed until the threat diminishes.
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Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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