Weather Alert in Pennsylvania
Winter Weather Advisory issued February 6 at 1:31AM EST until February 7 at 1:00AM EST by NWS Cleveland OH
AREAS AFFECTED: Southern Erie
DESCRIPTION: * WHAT...Snow and blowing snow expected. Total snow accumulations between 2 and 5 inches, with the greatest accumulations in the higher elevations. Winds gusting as high as 45 mph. * WHERE...Southern Erie County. * WHEN...From 7 AM this morning to 1 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow can reduce visibility this evening and tonight. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...A period of light to moderate snow is expected this morning, with snow covered roads possible during and after the morning commute. After a few hours of dry weather this afternoon, snow showers and squalls, wind gusts up to 45 mph, and falling temperatures will lead to blowing and drifting snow and hazardous road conditions this evening.
INSTRUCTION: Slow down and use caution while traveling. The Pennsylvania Department of Transportation and Pennsylvania Turnpike Commission strongly encourage motorists to heed all travel restrictions and delay unnecessary travel. Visit www.511pa.com for the latest travel, roadway, and traffic conditions.
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North America Water Vapor (Moisture)
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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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