Weather Alert in Alaska
Flood Warning issued August 26 at 11:05AM AKDT until August 27 at 11:00PM AKDT by NWS Fairbanks AK
AREAS AFFECTED: Central Brooks Range; South Slopes Of The Central Brooks Range; Upper Koyukuk Valley; Dalton Highway Summits
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Including the following areas, Central Brooks Range, Dalton Highway Summits, South Slopes Of The Central Brooks Range and Upper Koyukuk Valley. * WHEN...Until 1100 PM AKDT Wednesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 1059 AM AKDT, River gauge reports indicate rises in water levels from heavy rain across the warned area. Flooding is ongoing or expected to begin shortly. Between 4 and 6 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible. - Local reports of up to 18 inches of water is currently covering the road to Wiseman making that route impassable. In addition the stretch of the Dalton Highway from mile markers 140 to 240 have had numerous reports of water on the roadway or locations where the road is beginning to wash out. Numerous landslides have also been reported by the public near Wiseman along steep slopes in the area. - For Slate Creek at Coldfoot: At 10:15am the stage was 20.3 feet. Flood Stage is 18.7 feet. Forecast: A crest around 19.4 feet is expected around 4:00pm Tuesday. - http://www.weather.gov/aprfc
INSTRUCTION: 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 are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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
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