Weather Alert in Pennsylvania

Snow Squall Warning issued February 6 at 11:30PM EST until February 7 at 12:15AM EST by NWS Pittsburgh PA

AREAS AFFECTED: Fayette, PA; Greene, PA; Marion, WV; Monongalia, WV; Preston, WV

DESCRIPTION: The National Weather Service in Pittsburgh has issued a * Snow Squall Warning for... Southwestern Fayette County in southwestern Pennsylvania... Southeastern Greene County in southwestern Pennsylvania... Central Preston County in northeastern West Virginia... Marion County in northern West Virginia... Monongalia County in northern West Virginia... * Until 1215 AM EST. * At 1130 PM EST, a hazardous snow squall was located along a line from 5 miles north of Fairview to 9 miles south of Uniontown, or along a line from 11 miles northeast of Mannington to 9 miles south of Uniontown, moving southeast at 35 mph. HAZARD...Intense bursts of heavy snow and gusty winds leading to blowing snow and rapidly falling visibility. Wind gusts up to 35 mph. SOURCE...Radar indicated. IMPACT...Travel will become difficult and potentially hazardous within minutes. * Locations impacted include... Morgantown, Fairmont, Westover, Kingwood, Star City, Pleasant Valley, Winfield, Barrackville, Point Marion, Monongah, Granville, Fairview, Newburg, Brookhaven, Cassville, Fairchance, Rivesville, Smithfield, Grant Town and Reedsville. This includes the following highways... Interstate 68 in West Virginia between mile markers 1 and 26. Interstate 79 in West Virginia between mile markers 130 and 160. Interstate 79 in Pennsylvania between mile markers 0 and 6.

INSTRUCTION: Slow Down! Rapid changes in visibility and road conditions are expected with this dangerous snow squall. Be alert for sudden whiteout conditions. Reduce your speed and turn on headlights! During snow squalls, the visibility may suddenly drop to near zero in whiteout conditions.

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Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

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Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation

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