Weather Alert in Alaska
Flood Watch issued August 25 at 8:10PM AKDT until August 26 at 4:00PM AKDT by NWS Fairbanks AK
AREAS AFFECTED: Southern Seward Peninsula Coast; Interior Seward Peninsula; Eastern Norton Sound and Nulato Hills
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Including the following areas, Eastern Norton Sound and Nulato Hills, Interior Seward Peninsula and Southern Seward Peninsula Coast. This includes the cities of Nome, White Mountain, Golovin, Serpentine Hot Springs, Council, Haycock, Pilgrim Springs, Taylor, Unalakleet, Stebbins, St Michael, Elim, Koyuk, And Shaktoolik. * WHEN...Through Tuesday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Heavy rainfall is expected across the interior and southern Seward Peninsula as well as the eastern Norton Sound Monday afternoon through Tuesday. Rainfall amounts of 2 to 3 inches are forecast across the region, resulting in rapid rises along rivers, creeks, and streams. Smaller streams may see water rises to near or above flood stage overnight Monday night through Tuesday morning. - 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 are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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