Weather Alert in Ohio
Severe Thunderstorm Warning issued April 29 at 2:41PM EDT until April 29 at 3:00PM EDT by NWS Wilmington OH
AREAS AFFECTED: Delaware, OH; Fayette, OH; Franklin, OH; Madison, OH; Pickaway, OH; Union, OH
DESCRIPTION: At 241 PM EDT, a severe thunderstorm was located over Upper Arlington, moving east at 55 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Port Columbus Airport, East Ringgold, Alum Creek State Park, Interstate 71 at State Route 38, Dublin, Gahanna, Upper Arlington, Sunbury, Clintonville, Westerville, Warrensburg, Center Village, Madison Mills, Worthington, Kilbourne, Hilliard, Midway, New California, Grandview Heights, and Whitehall. This includes the following Interstates... I-70 in Ohio between mile markers 85 and 111. I-71 in Ohio between mile markers 66 and 138.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. To report severe weather, go to our website at weather.gov/iln and submit your report via social media, when you can do so safely.
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Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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