Weather Alert in Alaska
Flood Advisory issued September 1 at 8:23AM AKDT until September 1 at 10:15PM AKDT by NWS Fairbanks AK
AREAS AFFECTED: Central Interior
DESCRIPTION: * WHAT...Flooding caused by persistent rainfall is expected. * WHERE...Tanana River near Manley Hot Springs. * WHEN...Until 1015 PM AKDT Monday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 817 AM AKDT, river gauge reports indicate rises in water levels from persistent rain across the advisory area. Minor flooding is ongoing or expected to begin shortly, especially near the Tanana River. Additional rainfall amounts of 0.2 to 0.5 inches are possible through tomorrow morning. - The Tanana River at Nenana has already crested. We are expecting the crest at Manley Hot Springs to occur by noon today and drop below minor flood stage tonight. - Some locations that will experience flooding include... Manley Hot Springs. - For Tanana River at Manley Hot Springs-: At 7:00am the stage was 13.58 feet. Forecast: A crest around 13.7 feet is expected around 10:00am Monday. - 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 is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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
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