This was very close to becoming a weak hurricane, with winds now at 65mph. The lower limit for a hurricane is 73mph. This storm did close some oil platforms, but oil prices have actually dropped over the last day. Looks like supply and demand can overrule a tropical storm.
Last night, a very large and damaging derecho complex of storms hit Chicago and its Northern Indiana suburbs head-0n. Winds were clocked at 70mph in the city. More than 200,000 homes are without power in the area at the moment. It also caused evacuations at O'Hare airport and Wrigley Field. Here's a radar image I snagged last night:
Around here, we're under a SLIGHT risk for severe storms from the SPC both today and tomorrow. Instability for today and tomorrow is higher than previously thought on the SREF model, so we might get a little more than we bargained for. A line of storms is getting ready to come through the metro around an hour from now. This line has no warnings or watches associated with it, and it looks pretty benign on radar. Since these area coming through this morning, one would think that our storm threat for later today would be quashed. True, it will weaken the potential a bit this afternoon, but there's still a pretty good chance we'll see some severe weather later. If we can clear out the clouds later this morning and into the afternoon, you can bet on it.
Tomorrow's threat looks about the same in terms of severity, but I think those storms will be more isolated due to a passing cold front.
These storms this morning will limit our temperatures today, with highs in the lower 90's instead of upper 90's. Humidity will still be an issue, with heat index values in the lower 100's today. Make sure you wear light clothing and drink lots of water! Tomorrow will see a decrease in temperatures, with a high somewhere in the uppper 80's.
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