Rainy May, Active Week

By: Buckey2745 , 10:25 PM GMT on May 31, 2010

Our rainy May continued today as we woke up with rain and thunder, with showers lingering around until mid-morning. This was because of an unstable airmass out ahead of a cold front that is entering the area tonight.

Although the airmass was unstable (CAPE in the 2000 J/kg range), there wasn't any shear in the upper atmosphere so these storms built up and collapsed very rapidly. None very severe, and so far they've been moving at a decent rate.

Tonight's risk should be north of our area, and storms are beginning to train over the same spots in Northern Ohio. Rainfall in the 3-4" range may not be out of the question there, while we will probably generally stay below an inch as the front passes through:

6:10pm Regional Radar, with the cold front to our west

Another 0.70" of rain before midnight will put us above 7.00" of rain for the month of May. But to put that in perspective... Nashville had 13.00" of rain in 48 hours. Luckily for us, we haven't had any prolonged periods of rain this month. All of our total is from a few heavy rainfalls that lasted no more than a couple hours a piece. We're lucky.

Active Week
For the past week or so we've been unseasonably warm and relatively dry. That's because the jet stream was positioned well north of us and allowed the heat to filter in, but not the weather systems. Starting tomorrow with the passage of our cold front, the jet stream will flatten back out across the nation and we'll see a system rolling through once every 36 hours or so. Exact timing and intensity of each short wave is fairly uncertain, but I imagine we might finally see some severe weather at least one day this week.

Severe Weather Stats:
Severe Thunderstorm Watches: 2
Severe Thunderstorm Warnings: 2
Tornado Watches: 1
Tornado Warnings: 0
Flash Flood Watches: 1
Flash Flood Warnings: 0

The views of the author are his/her own and do not necessarily represent the position of The Weather Company or its parent, IBM.

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About Buckey2745

I'm a 31 year old weather enthusiast from Central Ohio. Certified SKYWARN storm spotter.

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