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July Heat Wave Obs/Discussion


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Thick smoke from massive Canadian wildfires being observed in northern Minnesota and the upper Peninsula of Michigan. Some of this could work its way into lower Michigan this afternoon. http://www.crh.noaa....=71004&source=0

Some obs (visibilities down to 2.5 to 3 miles in spots):

http://www.weather.g...story/KINL.html

http://www.weather.g...story/KDLH.html

http://www.weather.g...story/KSAW.html

http://www.weather.g...story/KCMX.html

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This I.U. grad always thought there was a lot of hot air around Purdue. :whistle: But this week is certainly going to remind me of summer 1995 for sure all over the Midwest, especially with respect to dewpoints as contrasted with the summer of 1988.

lol...yeah this is definitely some moist heat.

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Cyclone77's station is reading 99/82, which would put the HI at 124.

Looks like a high of 100 thus far.

RUC initialized with CAPE of 8000-10000 in an axis from about CMI northwestward toward MSP. Certainly a volatile environment. Severe thread has been rather quiet...I wonder if everyone is extra cautious after yesterday.

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RUC initialized with CAPE of 8000-10000 in an axis from about CMI northwestward toward MSP. Certainly a volatile environment. Severe thread has been rather quiet...I wonder if everyone is extra cautious after yesterday.

Yep...heat ridge cap and CINH gobble up incipient storms. The one east of Madison WI sure looked promising yesterday and then got snuffed.

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Cedar Rapids is finally shedding the title of coolest spot in Iowa for at least one day. This will likely be the hottest day here since 1998. The dewpoint is down a few degrees from yesteday, but the temp is officially 96 while the weathernet station in the city is 97.

I was just looking at data from past Julys and I forgot how incredibly cool 2009 was. We never went above 83 the entire month of July '09. Wow.

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RFD is now up to 99 as of 3PM...1F off the record.

LOT point-and-click forecast was off by 7F.

I'm growing more and more convinced that ORD makes it to 100. No real change in the overall setup and the main thing that saved them today was the lake breeze which shouldn't have such inland penetration tomorrow. Worth noting that DVN undershot Moline by 4 degrees.

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I'm growing more and more convinced that ORD makes it to 100. No real change in the overall setup and the main thing that saved them today was the lake breeze which shouldn't have such inland penetration tomorrow. Worth noting that DVN undershot Moline by 4 degrees.

Even with dp's expected to be in the 70's, dry soils should have some feedback to help.

Even though the lake breeze passed, it's up to 96 here. We're far enough inland that the impact is minimal, though it probably took 1-2F off the high.

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Even with dp's expected to be in the 70's, dry soils should have some feedback to help.

Even though the lake breeze passed, it's up to 96 here. We're far enough inland that the impact is minimal, though it probably took a 1-2F off the high.

We dropped to around 80-81 but have bounced back to around 84/85, it's washing out pretty quick and those mid 70 degree lake water don't do the trick like the 40s-50s do early in the season. Still beats 96 though.

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