Weather Alert in Alaska
Flood Advisory issued September 1 at 2:18AM AKDT until September 1 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 Monday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 214 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. Between 0.2 and 0.4 inches of rain has fallen in the past 24 hours. 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 be in the next couple of hours. - Some locations that will experience flooding include... Manley Hot Springs. - For Tanana River at Manley Hot Springs-: At 2:00am the stage was 13.51 feet. Flood Stage is 13.5 feet. Forecast: A crest around 13.7 feet is expected around 7:00am 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 Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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