Weather Alert in Ohio
Severe Thunderstorm Warning issued April 29 at 4:46PM EDT until April 29 at 5:30PM EDT by NWS Pittsburgh PA
AREAS AFFECTED: Columbiana, OH; Allegheny, PA; Armstrong, PA; Beaver, PA; Butler, PA; Indiana, PA; Lawrence, PA; Washington, PA; Westmoreland, PA; Brooke, WV; Hancock, WV; Ohio, WV
DESCRIPTION: SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Eastern Columbiana County in east central Ohio... Beaver County in western Pennsylvania... Northern Washington County in southwestern Pennsylvania... Southeastern Lawrence County in western Pennsylvania... Butler County in west central Pennsylvania... Southwestern Indiana County in west central Pennsylvania... Allegheny County in southwestern Pennsylvania... Northwestern Westmoreland County in southwestern Pennsylvania... Armstrong County in west central Pennsylvania... Ohio County in northern West Virginia... Brooke County in northern West Virginia... Hancock County in northern West Virginia... * Until 530 PM EDT. * At 445 PM EDT, severe thunderstorms were located along a line extending from Lisbon to near Shippingport to near Avella to West Liberty, moving east at 75 mph. THESE ARE DESTRUCTIVE STORMS FOR southern Beaver, northern Washington, and Allegheny Counties. HAZARD...80 mph wind gusts. SOURCE...Radar indicated. IMPACT...Extensive tree damage and widespread power outages. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows and vehicles. * Locations impacted include... Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross Township, McCandless Township, Monroeville, Cranberry, Moon Township, McMurray, Greensburg, Weirton, McKeesport, Butler, Washington, Franklin Park, Jeannette, Aliquippa, Canonsburg, and Beaver Falls. This includes the following highways... Interstate 70 in Pennsylvania between mile markers 15 and 22. Pennsylvania Turnpike between mile markers 9 and 75. Interstate 79 in Pennsylvania between mile markers 34 and 105. Interstate 80 in Pennsylvania near mile marker 44. Parkway North between mile markers 1 and 13. Interstate 376 in Pennsylvania between mile markers 25 and 84.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building. Please report severe weather by calling 412-262-1988, posting to the NWS Pittsburgh Facebook page, or using X @NWSPITTSBURGH.
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Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
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