Weather Alert in Ohio
Tornado Warning issued April 29 at 4:39PM EDT until April 29 at 5:00PM EDT by NWS Pittsburgh PA
AREAS AFFECTED: Columbiana, OH; Jefferson, OH; Beaver, PA; Washington, PA; Brooke, WV; Hancock, WV
DESCRIPTION: At 439 PM EDT, severe thunderstorms capable of producing both tornadoes and extensive straight line wind damage were located along a line from over Wellsville to near Tiltonsville, or along a line from over Wellsville to near Wellsburg, moving east at 65 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows and vehicles will occur. Tree damage is likely. Locations impacted include... Weirton, Steubenville, East Liverpool, Wellsville, Wellsburg, Avella, Toronto, Wintersville, Ohioville, Mingo Junction, Follansbee, Midland, Hooverson Heights, Chester, Industry, New Cumberland, Shippingport, Burgettstown, Smithfield and Newell.
INSTRUCTION: Move to an interior room on the lowest floor of a well-built building away from windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
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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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