Significant severe weather outbreak possible in upper Midwest/lower Great Lakes this afternoon/evening

Update: 3:50 p.m. Eastern, June 13, 2013

What was “only” severe weather is still just that, but it has been pretty heavy in the forecast region today, per SPC storm reports (these are reports only and may not be complete or verify with time):

Current SPC storm reports graphic for today; no red, which means no tornadoes.  Blue is wind reports.  Green is hail.

Current SPC storm reports graphic for today; no red, which means no tornadoes. Blue is wind reports. Green is hail.

Here is yesterday’s graphic:

SPC storm reports for June 12, 2013.

SPC storm reports for June 12, 2013.

For comparison, here are the storm reports for June 29, 2012.

SPC storm reports, June 29, 2012.

SPC storm reports, June 29, 2012.

Yep. We dodged a bullet.

********************

Update: 11:20 a.m. Eastern, June 13, 2013

Well, fortunately, the worst didn’t happen yesterday and last night, and today it is “only” severe weather running from the mountains to the coast in the watch areas.

State by state

According to the latest summary I could find, as well as other sources linked below, Illinois had several small tornadoes and quarter-sized hail, along with some 34,000 people without power at the height of the storms.

Another 30,000 people had their power knocked out in Indiana.

In Iowa, there were at least two tornadoes, and two businesses and a home were completely destroyed, but there were no injuries or fatalities, fortunately; about 1400 Iowans lost power.

In Wisconsin, part of a Walmart roof collapsed, with two employees receiving minor injuries. Some 20,000 people in Wisconsin lost power at the height of the storm in southern Wisconsin.

At least 33,000 Michigan residents lost power.

In Ohio, there was some severe structural damage and unconfirmed tornadoes. About 45,000 people lost power.

It’s difficult to get an idea from various local news reports online of the total power outages in western Pennsylvania at the height of the storms – I’m guessing between 5000 and 10,000 people. A man died in a house fire, northwest of Pittsburgh, that may have been set by lightning. That is the only fatality I’ve read about in the news.

That’s just a quick overall view, not detailed much. Fortunately, it wasn’t anywhere near as bad as last year’s derecho on June 29. Someone in Chicago was reported as saying, “We were prepared for more.”

Good. Let’s always be that prepared.

********************

This is an update to my post earlier today: the Storm Prediction Center has upgraded parts of the Moderate risk area to High, and they are using the “O” word – outbreak – in the updated day 1 outlook.

Also check out the current public severe weather warning outlook.

Here is how it looks as a graphical forecast (click to enlarge):

Overall:

SPC/NOAA

SPC/NOAA

Tornado:

SPC/NOAA

SPC/NOAA

Wind (they have increased this up to 60%):

SPC/NOAA

SPC/NOAA

Hail:

SPC/NOAA

SPC/NOAA

So far, no watches are up on the SPC map. They will be, and some may be PDS watches – Particularly Dangerous Situation.

Check out the link on the right sidebar to find your local weather office webpage. And stay safe out there, people.

Also remember, as noted in the earlier post, that this event, once it starts cranking, should keep going through the night, given the atmospheric parameters, and will pose a threat also in the Mid-Atlantic states all the way to the coast.



Categories: Weather

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