From the ABC 7 Weather team

Big changes in the forecast through Friday

April 20, 2011 - 04:38 PM
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A strong but mainly dry cold front will push through the area tonight bringing a much cooler air mass to the region tomorrow. Rain will return Friday.

So severe weather was originally in the forecast today but the threat has really gone down throughout the day. What happened?

Well, there was a strong area of thunderstorms moving to the east this morning around 3 a.m. through the Ohio Valley which completely died when it ran into a very stable air mass in western Pennsylvania and West Virginia. Here are the storms as they progressed as a very strong line through the Ohio Valley:

Doppler Radar images at 2am in Ohio Valley

Plymouth State University

And here are the storms as they moved east into the morning hours in western Pennsylvania and West Virginia:

where are the storms

What storms? Yeah, exactly.

The air was so stable that the strong line that created more than 30 reports of tornadoes and hundreds of reports of wind and hail completely disappeared in about 6 hours. Crazy. The air across our region is still capped, so we aren't able to reach all of the available energy and therefore will more than likely not see any storms.

This front has a very big push to it with a big temperature difference that you will notice tomorrow. Highs today have reached the 80s, whereas tomorrow will only reach the 60s.

Friday will be another story. A frontal system will lie to the west, high pressure will lie to the northeast and our area will be in for a cool and wet day with more than a half inch of rain possible. This could lead to some additional flooding problems, particularly northwest for the higher elevations which have been the hardest hit areas over the past week. Stay with us for the latest forecast through the remainder of the week.

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