Weather Alert in Alaska
Flood Warning issued August 29 at 11:04PM AKDT until August 30 at 11:00PM AKDT by NWS Anchorage AK
AREAS AFFECTED: Central Susitna Valley; Northern Susitna Valley
DESCRIPTION: * WHAT...Flooding caused by previous excessive rainfall is expected. * WHERE...Talkeetna River. * WHEN...Until 1100 PM AKDT Saturday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 1052 PM AKDT, river gauge reports indicate rises in water levels from previous days heavy rain across the warned area. Flooding is ongoing or expected to begin shortly, especially near and along the Talkeetna River. - For Talkeetna River Upstream of Talkeetna: At 9:45pm the stage was 12.1 feet. Flood Stage is 12.5 feet. Forecast: A crest around 12.7 feet is expected around 4:00am Saturday. - For Talkeetna River at the Talkeetna Railroad Bridge: At 10:00pm the stage was 14.82 feet. Major Flood Stage is 15.0 feet. The river is expected to crest early Saturday just above Major Flood Stage then begin to fall. - For Susitna River near Sunshine: At 10:00pm the stage was 25.9 feet. Flood Stage is 24.5 feet. Forecast: A crest around 25.4 feet is expected around 10:00am Saturday. - Http://www.weather.gov/safety/flood
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 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.
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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
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