Weather Alert in Pennsylvania
Snow Squall Warning issued February 6 at 10:52PM EST until February 6 at 11:45PM EST by NWS Pittsburgh PA
AREAS AFFECTED: Allegheny, PA; Fayette, PA; Greene, PA; Indiana, PA; Washington, PA; Westmoreland, PA
DESCRIPTION: The National Weather Service in Pittsburgh has issued a * Snow Squall Warning for... Southeastern Allegheny County in southwestern Pennsylvania... Fayette County in southwestern Pennsylvania... Greene County in southwestern Pennsylvania... Southern Washington County in southwestern Pennsylvania... Westmoreland County in southwestern Pennsylvania... Southwestern Indiana County in west central Pennsylvania... * Until 1145 PM EST. * At 1052 PM EST, a hazardous snow squall was located along a line from 14 miles southeast of Black Lick to 5 miles west of Bentleyville, or along a line from 17 miles southeast of Homer City to 9 miles southeast of Washington, moving southeast at 45 mph. HAZARD...Intense bursts of heavy snow and gusty winds leading to blowing snow and rapidly falling visibility. Wind gusts greater than 35 mph. SOURCE...Radar indicated. IMPACT...Travel will become difficult and potentially hazardous within minutes. * Locations impacted include... Greensburg, Washington, Uniontown, Jeannette, Latrobe, Connellsville, Waynesburg, Gastonville, South Park Township, Jefferson Hills, Monessen, Clairton, California, Donora, Mount Pleasant, Scottdale, Monongahela, Charleroi, Irwin and Masontown. This includes the following highways... Interstate 70 in Pennsylvania between mile markers 6 and 15...and between mile markers 19 and 57. Interstate 79 in Pennsylvania between mile markers 1 and 37. Pennsylvania Turnpike between mile markers 67 and 99.
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 is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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