Weather Alert in Pennsylvania
Severe Thunderstorm Warning issued March 31 at 11:41PM EDT until April 1 at 12:30AM EDT by NWS Pittsburgh PA
AREAS AFFECTED: Allegheny, PA; Washington, PA; Westmoreland, PA
DESCRIPTION: SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Allegheny County in southwestern Pennsylvania... Central Washington County in southwestern Pennsylvania... Western Westmoreland County in southwestern Pennsylvania... * Until 1230 AM EDT. * At 1141 PM EDT, severe thunderstorms were located along a line from over Franklin Park to near McDonald, or along a line from over Franklin Park to near Canonsburg, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross Township, McCandless Township, Monroeville, Moon Township, McMurray, Greensburg, McKeesport, Franklin Park, Jeannette, Canonsburg, Vandergrift, Apollo, Gastonville, Shaler Township, Plum and West Mifflin.
INSTRUCTION: Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds.
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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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