Weather Alert in Alaska
Flood Advisory issued September 1 at 9:32PM AKDT until September 2 at 10:15AM 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 AM AKDT Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 927 PM AKDT, minor flooding was observed by river gauge along the Tanana River at Manley Hot Springs. - The Tanana River at Manley Hot Springs has plateaued at its crest of 13.61 feet, which is minor flood stage. Water levels have remained at this level since about 5 AM AKDT Monday morning and have remained at this level longer than anticipated. Will extend the advisory through the overnight hours, though depending on how slow flood waters are to recede, may need to be extended again tomorrow morning. - 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 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
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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