Weather Alert in Alaska
Flood Advisory issued August 28 at 11:49PM AKDT until August 29 at 12:00PM AKDT by NWS Anchorage AK
AREAS AFFECTED: Southern Kenai Mtns; Interior Kenai Peninsula
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Seward and Bear Creek Neighborhoods. * WHEN...Until noon AKDT Friday. * IMPACTS...Area creeks will be running high and transporting gravel. Area creeks include Bear, Lost, Sometime, Clear, Box Canyon, Sawmill And 4Th Of July Creeks. Minor flooding in low-lying and poor drainage areas. River or stream flows are elevated. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 1142 PM AKDT, river gauge reports indicate rises in water levels from heavy rain across the advisory area. This will cause minor flooding from overflow of poor drainage areas, especially near Seward and the Bear Creek Neighborhoods. Between 1 and 1.5 inches of rain have fallen over the past six hours. Additional rainfall amounts of 0.5 to 1 inch are possible through early Friday morning. - For Resurrection River at Exit Glacier Bridge: At 11:00pm the stage was 16.8 feet. Flood Stage is 17.5 feet. Forecast: A crest around 18.1 feet is expected around 10:00am Friday. - Http://www.weather.gov/safety/flood - If you live near or along the Resurrection River or other area creeks and streams stay alert and be prepared to take action. - Storm drains should be kept clear of debris as much as possible.
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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