Chicago Storm

Finally had an chance to look into it. Looks like it was either nothing or potentially sensor related. .

Made it down to 38 here last night. ORD only bottomed out at 46. Coldest in N IL was 34 at FEP and 37 at ARR/RPJ. .

For globals lolz, the GFS has 3 TC in the Gulf/Bay of Campeche between now and mid next week. .

Topped out at 84. .

It is a possibility... https://rapidrefresh.noaa.gov/hrrr/HRRRsmoke/

There's a shot that some of the smoke may make it down to the surface tomorrow in portions of the region, immediately following the frontal passage.

Outside of the initial MCS, most of the activity was oriented more SW-NE. The map that was posted in the Sept thread shows the steady drop off across the central metro on south/southeast fairly well.

Quite the turn around... ...IMBY... July 30-Sept 5th... 1.04" Sept 6-13th... 4.28" ...ORD... July 30-Sept 5th... 1.13" Sept 6-13th... 2.54" ...RFD... July 27-Sept 5th... 0.65" Sept 6-13th... 6.01"

Summer ended on the 3rd.

gonna be mixing a lot fo sho. .

The non-lawn foliage was hurting around here. .

Are you really surprised with them? .

10-15C at 700mb is just about as bad as it gets. There will probably be some t’storms that develop, as cooling occurs aloft... But any severe threat will probably be confined to a small portion of WI/MI, and remain relatively minor. .

About as DOA as DOA can get. .

Tomorrow looks like a classic day in which morning activity does not clear soon enough and lingers a bit too long, which will hinder cold frontal activity for later in the day. Looks like a marginal risk kind of day. .

Drought buster... .

Likely have seen the last 90+ day until next year. Pattern the next 2 weeks suggests an average to below average regime, and after that it’s already late Sept and becomes increasingly difficult.

city dweller views are obvi skewed. .

87 now. Gonna be a close one. .

86 now. Looks like it’ll pass ORD by 1:30, so probably will end up being just an hour or so too fast for 90+. Should get to at least 88 though.

I’m guessing it might have been enough to keep some of the southern portions of D1 in D0, but that’s probably about it. .

It's like the weather followed the flip of the calendar to a T.

The sensor was moved many years ago, and it's probably in one of the better possible areas it can be at this time. The NW/W/SW side of the airport has the most bits and pieces of open land at this time, and even that is going to vanish eventually. After Route 390, I-490 and the new terminal are fully complete several years from now, there really won't be a "good" place for the ASOS. I'm guessing that is when ORD will have a shot to overtake MDW as the consistently warmer location. It's all relative really. ORD was 76.7 this summer and MDW was 76.4...So MDW still would have tied the record. If you dig into it even further, in 2012 ORD was 76.1 (now 4th warmest summer), but MDW was 77.3...which would have blown away the old 1921 record and new 2020 record for warmest summer. Re: Jan 2019 cold...ORD was right on par with MDW and PWK for low temps during that time. The coldest readings were in the usual cold spots, outside of the immediate metro.

The sensor is fine. However, construction this year has been on the uptick on the west side of the airport, as work on the eastern end of Route 390 has increased. There is also preliminary stuff beginning for I-490 on the NW/W/SW side of the airport. Lastly and possibly more importantly, there has been work this summer pretty much right where the sensor is, with a lot of bare ground in the area. .

Between 10-15 times from what I gather.