Chicago WX

LOT bumped totals an inch for I-55 and east, now 3-5". My p&c now has 3-7". Also considered upgrading the same area to a Blizzard Warning, but don't think it'll quite meet visibility/wind criteria. 9z HRRR and RAP look pretty solid.

A lot of sarcasm. At least from me. Though some are perpetually cranky it seems. Anyways, sometimes it’s fun to try pull out a little more snow in the end, when things have gone off the cliff for a day or two. Hopefully everyone does well enough to have some decent snows tomorrow and Friday.

Easy under on Lansing. Probably mix there.

HRRR and 3k too. Granted, we’re not talking extreme changes, but a little improvement is very appreciated.

So the 0z HRRR was different. Heads up cyclone

lol, yes. And that's just 3 days worth of runs. Euro didn't used to be like that. Remember outside of this timeframe, it was showing an east coast blizzard. Then moved 1000 miles west, and now in the last 3 days is escaping back east. Crazy awful.

Garbage model

Yeah. It all started for me in December 2000. Wondered why we were getting all this snow. First I found NWS AFD’s and then computer models. Had no idea how to read/use them, but kinda figured it out. Then I found the TWC forums. And then someone posted a link to WWBB. And the rest is history.

2000 It was a much simpler time. All we had was the ETA, NGM, AVN, MRF, GGEM...and the Euro ran once a day at 3:00 AM, with like 5 available layers (no QPF). Things have certainly changed.

And no doubt the timing of holiday travel influenced their decision. I get that part.

LOT just issued a Winter Storm Warning for the CWA. Thought they'd go WWA, alas... EDIT: blizzard warning for Porter County ...WINTER STORM WARNING IN EFFECT FROM NOON THURSDAY TO 6 AM CST SATURDAY... * WHAT...Snow and blowing snow producing occasional white out conditions expected. Total snow accumulations of 2 to 5 inches. Winds gusting as high as 50 mph expected. Wind chill values of 25 to 35 below zero expected. * WHERE...Portions of east central and northeast Illinois. * WHEN...From noon Thursday to 6 AM CST Saturday. * IMPACTS...Falling or blowing snow may result in white out conditions with zero visibility at times, making travel extremely difficult. Power outages will also be possible as a result of strong wind gusts to 50 mph. Roads will likely quickly become ice covered as temperatures rapidly fall Thursday afternoon. * ADDITIONAL DETAILS...Dangerously cold wind chills as low as 25 to 35 below zero are likely Thursday night through Friday night. Wind chills of this magnitude can cause frostbite on exposed skin in as little as 20 minutes.

Very paltry. Think T-1" may be a better call at this point. I can see this being just 3-4 hours of arctic sand that blows around into corners. I’d give my odds of a white Christmas at 30% right now.

This piece of crap is (or was) supposed to replace the NAMs I believe. Don't know if thats still in the cards. Regardless, hug it tight Michigan folks.

I'm grasping for straws, but the 12z HRRR ticked totals up in a bit in IL. Farther east, looks like it developed a bit faster, was a slight shift west, versus the 6z run. Might be just timing though. I don't know why I'm still paying attention to this thing.

Maybe with the winds so strong, we can get some of the higher totals to the west and northwest to blow more snow in here helping "bump" totals. But yeah, locking in 1-2" for MBY total. Very short duration of snow and consistent drying trends on the models making me like that call. Hoping for those to the east, that solutions hold and they get buried.

18z NAM was better. I mean, it’s got to start somewhere.

Appreciate the sentiment. Looks like we’ll get a little, so that’ll help the mood.

It’s been no better than the other models. Not what it used to be for sure.

Looking real good for MI. Good luck to you all! Thinking a 1-2” call is solid for MBY. Anything more is gravy right now.

Looks pretty much like a front for those of us in IL. 1-3/2-4” seems like a good call right now. It is what it is. Folks in IN and MI still holding on to hope. Hope no more slips east for them.

Here's the 0z EPS mean total QPF. Pretty much a carbon copy of the 12/18 0z run, interestingly enough. The runs between these two were more generous with the 0.50-0.75" shading farther west in IL. MI has added a bit, BTW, probably owing to the eastern shift/later developing tendencies.

GEFS tend to play follow the leader, but holy crap versus what was projected a day ago...to this below off the current 6z run. And no not saying storm cancel at all, just posting the run.

Majority of the 0z EPS members are leaning left at 0z Friday, alas still a shift east from previous runs.

DAB that all blows away into the Lake leaving you with bare ground on Christmas

18z RGEM goes through Indiana. Solid hit for many. Nothing extreme, but solid.