Severe Weather 8/10 - 8/13

[yoda]

3 minutes ago, SchaumburgStormer said:

Some 108-110mph bins in that mix near crown point

Severe Weather Statement
National Weather Service Chicago/Romeoville
1108 AM CDT Tue Aug 11 2026

INC089-127-111645-
/O.CON.KLOT.TO.W.0075.000000T0000Z-260811T1645Z/
Porter IN-Lake IN-
1108 AM CDT Tue Aug 11 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR PORTER
AND EAST CENTRAL LAKE COUNTIES...

At 1107 AM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was racing toward
Porter County at over 75 mph.

HAZARD...Tornadoes and wind gusts in excess of 100 mph.

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.

These dangerous storms will be near...
  Valparaiso around 1115 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4122 8697 4127 8706 4129 8712 4127 8719
      4124 8722 4162 8723 4163 8716 4165 8715
      4165 8710 4171 8693 4124 8693
TIME...MOT...LOC 1607Z 275DEG 59KT 4145 8727

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

[sbnwx85]

21 minutes ago, sbnwx85 said:

Gonna be that miss south stank here. But just barely. 

Well… then again…

[snowman33]

Really lucked out. It was a non-event IMBY.

[SchaumburgStormer]

Line is moving. Going to eat up the stuff ongoing in central in

[yoda]

91mph wind gust reported by spotter 2 E Mokena IL

96mph wind gust reported by private weather station 2 NNW Shorewood IL

[Stebo]

Private weather station measured 96 west of Joliet per LSR.

[SchaumburgStormer]

[Jackstraw]

Man I hope that thing calms down as it rounds the top. The trend has been for the clusters to stay just to my N/NE and I mean barely. Got a brush this morning. Bomb thunder going on right now. It looks like a black wall just hanging there. I mean its dark black. Crazy. I am not ready for 100mph winds. I'd rather have a weak tornado than one of these things.

[metallica470]

14 minutes ago, yoda said:

91mph wind gust reported by spotter 2 E Mokena IL

96mph wind gust reported by private weather station 2 NNW Shorewood IL

Grabbed this screenshot for Mokena as it was happening

[Possum]

Worst of it missed us on the nw side of Chicago, thankfully. My friend in Crown Point has her power out at work and everyone hiding in the bathroom, she said it was terrifying when it blew through.


.

[sbnwx85]

This is my moment.

[nwohweather]

38 minutes ago, sbnwx85 said:

Well… then again…

IWX is projecting it to go due east into Ohio. Not sure how much I buy that based on the winds but we will see

 

[Powerball]

I have never seen a Tornado Warning that large in area before now...

[Chicago Storm]

10 minutes ago, Powerball said:

I have never seen a Tornado Warning that large in area before now...

that's environment canada-like.

[SchaumburgStormer]

13 minutes ago, Powerball said:

I have never seen a Tornado Warning that large in area before now...

IWX saw Chicago blanket warn the whole metro with several tornado warnings and went, “there’s an easier way to do that”

[Stebo]

9 minutes ago, Chicago Storm said:

that's environment canada-like.

Yeah, not a fan of those tor warnings from IWX, could have easily just done SVRD and then circulation base a TOR if needed.

[sbnwx85]

Probably 50-60 mph gusts. Power flickered but stayed on. Couple small to medium size branches down. 

[cyclone77]

Good call @A-L-E-K had a fantastic torrential rainer.  Not home but looks like over an inch fell there.

[WestMichigan]

17 minutes ago, cyclone77 said:

Good call @A-L-E-K had a fantastic torrential rainer.  Not home but looks like over an inch fell there.

Changing your location from Droughtville to Abnormally Dryville?

[Jackstraw]

Well I was complaining when I got back from Oshkosh how dry it was here. 1.5" in the first round from about 7:30 to 9:30. We just got 2" in a little over an hour. I am back to the Spring flood zone lol. At least no wind yet. I hate these setups with a passion.

Edit: But I will say 63 degrees is quite pleasant. It was smothering at 6am and 75/75 lol.

[SchaumburgStormer]

Derecho before lunch, now sunny muggy skies 

[Greenwald]

1 hour ago, Stebo said:

Yeah, not a fan of those tor warnings from IWX, could have easily just done SVRD and then circulation base a TOR if needed.

Yeah I would expect an EDS warning over a big tornado warning like that.

Heavy rain here and maybe 55 mph wind thankfully. Lots of lightning.

[snowlover2]

Tornado warning for Cincy.

[SchaumburgStormer]

Nice supe in central IL at the moment 

[pen_artist]

[A-L-E-K]

15 minutes ago, SchaumburgStormer said:

Nice supe in central IL at the moment 

curl mode activated right as it hit that outflow, very nice

[Chambana]

Sirens going off

[snowlover2]

Confirmed tornado SW of Champaign IL.

[IWXwx]

3 hours ago, Stebo said:

Yeah, not a fan of those tor warnings from IWX, could have easily just done SVRD and then circulation base a TOR if needed.

Was in on a huddle with their WCM during the storms. The justification for the mass tor warnings was based on the reports of 95 MPH gusts upstream, equaling EF-1 speeds. 

[OrdIowPitMsp]