Weather Alert in Alaska
Flood Watch issued September 2 at 7:41AM AKDT until September 7 at 10:00AM AKDT by NWS Anchorage AK
AREAS AFFECTED: NW Kenai Peninsula; Skilak Lake
DESCRIPTION: * WHAT...Flooding caused by the Skilak glacier-dammed lake release is possible. * WHERE...Skilak Lake and the Middle Kenai River near Skilak Lake and the Kenai River Downstream of Skilak Lake. * WHEN...Through Sunday morning. * IMPACTS...Kenai River level forecasts: Currently expecting the Kenai River to rise steadily at Skilak Lake outlet another 2 feet, cresting at moderate flood stage Friday or Saturday. At the Kenai Keys, expecting the Kenai River to rise another 2 to 2.5 feet, cresting just below moderate flood stage of 12 feet Friday or Saturday. Down river at Soldotna, expecting the Kenai River to rise steadily through week, cresting Saturday above bankfull levels near 12 feet. IMPACTS: Expect steady river level increases next 4 days on lower Kenai River. Flooding of low lying areas in the Kenai Keys area, boat dock issues and extended period of high water and bankfull conditions is likely. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Skilak Glacier Dam Lake is likely releasing. This combined with recent significant rain in the upper Kenai River basin will cause Kenai river levels to rise steadily from the outlet of Skilak Lake to the mouth through the end of this week. Some uncertainty exists due to recent rain as to when the Skilak Glacier Dam lake began releasing which could impact the crest timing and height. Planned aerial reconnaissance of Skilak Glacier Dam Lake will confirm whether a release has taken place and the extent of any release. - Http://www.weather.gov/safety/flood
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 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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