Weather Alert in Alaska
Extreme Cold Watch issued February 24 at 10:04AM AKST until February 26 at 6:00PM AKST by NWS Anchorage AK
AREAS AFFECTED: Southern Kenai Mtns
DESCRIPTION: * WHAT...North winds 30 to 50 mph with gusts up to 65 mph expected. A few isolated gusts to 75 mph possible. Wind chills dropping to 20 below to 25 below zero Wednesday night through Thursday afternoon. * WHERE...Seward and vicinity. * WHEN...For the High Wind Warning, from midnight tonight to midnight AKST Wednesday Night. For the Extreme Cold Watch, from Wednesday evening through Thursday afternoon. * IMPACTS...High winds may move loose debris, damage property, and cause power outages. Travel will be difficult. The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 20 minutes. * ADDITIONAL DETAILS...Northerly winds will rapidly strengthen Tuesday afternoon and evening, then peak Tuesday night through Wednesday. Winds will then begin to slowly diminish Wednesday night through Thursday. Wind chills as low as 25 below zero overnight Wednesday could result in hypothermia or frostbite if precautions are not taken.
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. An extreme cold watch means that very cold temperatures and wind chills are possible. Wear protective clothing such as a hat, face mask, and heavy gloves or mittens if you have plans to be outdoors. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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