Weather Alert in Alaska
Blizzard Warning issued February 25 at 7:09PM AKST until February 26 at 3:00PM AKST by NWS Fairbanks AK
AREAS AFFECTED: Eastern Alaska Range South of Trims Camp
DESCRIPTION: * WHAT...Blizzard conditions. Winds gusting as high as 45 mph. Significant blowing and drifting snow is expected. * WHERE...Eastern Alaska Range South of Trims Camp. * WHEN...Until 3 PM AKST Thursday. * IMPACTS...Whiteout conditions are ongoing and will make travel treacherous and potentially life-threatening. Travel will be impacted. Areas of blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Alaska 511 has closed a section of the Richardson Highway at MP186-218. Hazardous conditions are expected north of this area to Donnelly Dome
INSTRUCTION: Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. Visit 511.alaska.gov or call 5 1 1 for the latest road conditions. Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.
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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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