Weather Alert in Pennsylvania
Winter Storm Warning issued February 21 at 1:43PM EST until February 24 at 1:00AM EST by NWS State College PA
AREAS AFFECTED: Cambria; Somerset
DESCRIPTION: ...IMPACTFUL WINTER STORM TO BRING HEAVY SNOWFALL TO CENTRAL PENNSYLVANIA... * WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches. Winds gusting as high as 40 mph. * WHERE...Cambria and Somerset Counties. * WHEN...From 1 AM Sunday to 1 AM EST Tuesday. * IMPACTS...The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Snowfall totals on the ridgetops will be locally higher due to the enhanced upslope snow.
INSTRUCTION: Persons are urged to stay indoors until conditions improve. If you must go outside, dress in layers. Several layers of clothes will keep you warmer than a single heavy coat. Cover exposed skin to reduce your risk of frostbite or hypothermia. Gloves, a scarf, and a hat will keep you from losing your body heat. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
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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
Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
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