Weather Alert in Alaska
High Wind Warning issued August 27 at 1:11PM AKDT until August 28 at 10:00PM AKDT by NWS Anchorage AK
AREAS AFFECTED: Anchorage Hillside / Eagle River
DESCRIPTION: * WHAT...Southeast winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Anchorage Hillside / Eagle River. * WHEN...From 2 AM to 10 PM AKDT Thursday. * IMPACTS...High winds may move loose debris, damage property, and cause power outages. Trees are still fully leafed, and will be particularly vulnerable to damage in strong winds. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...A strong frontal system moving into Southcentral will bring widespread wind gusts ranging from 50 to 70 mph to the Anchorage Hillside beginning early Thursday morning. The strongest winds are expected to peak near the middle of the day on Thursday. Winds will then slowly weaken through Thursday evening and diminish by early Friday morning.
INSTRUCTION: People are urged to secure loose objects that could be blown around or damaged by the wind. Prepare for the possibility of widespread power outages. Use caution if you must drive.
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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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