Weather Alert in District of Columbia
Extreme Cold Watch issued February 5 at 1:07PM EST until February 8 at 10:00AM EST by NWS Baltimore MD/Washington DC
AREAS AFFECTED: District of Columbia; Washington; Frederick; Carroll; Northern Baltimore; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Harford; Augusta; Rockingham; Shenandoah; Frederick; Page; Warren; Clarke; Rappahannock; Fairfax; Arlington/Falls Church/Alexandria; Northern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park; Hampshire; Morgan; Berkeley; Jefferson; Hardy
DESCRIPTION: * WHAT...Dangerously cold wind chills as low as 0 to 10 degrees below zero possible east of the Blue Ridge, and as low as 15 degrees below zero west of the Blue Ridge. * WHERE...Portions of DC, central, north central, northeast, and northern Maryland, northern, northwest, and western Virginia, and eastern and panhandle West Virginia. * WHEN...From late Friday night through Sunday morning. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. * ADDITIONAL DETAILS...Wind chills will remain at or below zero during the day on Saturday due to windy conditions and cold temperatures.
INSTRUCTION: Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
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Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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