Weather Alert in Alaska
Coastal Flood Advisory issued August 24 at 11:09PM AKDT until August 25 at 6:00PM AKDT by NWS Anchorage AK
AREAS AFFECTED: Kuskokwim Delta Coast and Nunivak Island
DESCRIPTION: * WHAT...Water levels 1.5 to 2.5 feet above the normal highest tide line. * WHERE...Along the Kuskokwim Delta coast, including the communities of Kipnuk, Kwigillingok, and Kongiganak. * WHEN...11 AM AKDT Monday through 6 PM AKDT Monday. * IMPACTS...Coastal erosion and flooding of low lying areas is likely. * ADDITIONAL DETAILS...Gale force southerly winds will lead to high water levels along the Kuskokwim Delta coast during the Monday afternoon high tide. Half an inch to 1.25 inches of rainfall are also forecast for the area through Monday afternoon, which may fill low-lying areas that normally take on water during lower level coastal flooding events, resulting in higher than normal water levels in addition to the onshore surge. Water levels decrease Monday evening with a receding tide and diminishing southerly winds.
INSTRUCTION: A coastal flood advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore.
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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
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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