Weather Alert in Alaska
Flood Watch issued August 25 at 8:05AM AKDT until August 26 at 4:00PM AKDT by NWS Fairbanks AK
AREAS AFFECTED: South Slopes Of The Central Brooks Range; South Slopes of the Western Brooks Range; Upper Kobuk Valleys
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Including the following areas, South Slopes Of The Central Brooks Range, South Slopes of the Western Brooks Range and Upper Kobuk Valleys. This includes the cities of Wiseman, Coldfoot, Chandalar Dot Camp, Iniakuk Lake, The Dalton Highway From Mp 165 To Mp 232, Walker Lake, Ambler, Shungnak, And Kobuk. * WHEN...From 4 PM AKDT this afternoon through Tuesday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Heavy rainfall is expected on Monday with light to moderate rainfall continuing through Tuesday. Rainfall amounts of 2 to 4 inches are forecast to be widespread across the watch area by Tuesday evening. Water levels are already high along the tributaries of the Koyukuk and Kobuk Rivers. The heavy rainfall is forecast to increase water levels to near or above flood stage by Monday night along smaller streams and rivers draining the south side of the Brooks Range. - Http://www.weather.gov/aprfc
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information.
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Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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