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January 31-February 2 Historic Winter Storm part 7


Powerball

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I lowered it to 10-14", my bad:) for LAF. Still tho-- I see a more snow threat with deeper height falls and not mixing in the NAM into the guidance mix.

Baroclinic, did you put a snow/ice map out? Do we have a map thread somewhere I am missing? Sorry for the clutter...just curious on the Pro-Mets thoughts with the guidance to date.

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<br />SNow showers late this afternoon-tonight--3-5" by the overnight period.<br />Fzdz by tomorrow morning with a few flakes mixed in--looks dry enough aloft though to stay drizzly. Late Tuesday into the night developing heavy snow--I am betting on a stronger solution and deeper height falls/cooling so mostly if not all snow.  Heavy at times--blizzard type conditions Tuesday night/Wednesday morning with 50+ to mix down through 09z then slow weakening winds but still blustery and blowing snow--up to 35 G.<br />10-14" storm total.  Bigger issue will be 6-8 hours of blizzard conditions and blowing snow with 50-55 mph mixing in.<br />
<br /><br /><br />

If it isn't too much of a bother, could you do that for Indy? I have a lot of people where I work concerned about this ice situation.

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Thanks much. I'd love to see that verify but I'm worried about how much sleet and maybe zr might mix in.

Straight ZR doesn't seem much a threat to me for LAF proper for the big event--if that is where you are. Sleet will cut down on ratios--hence why I went lower on totals. LAF is literally in the middle of this all--the front wants to lift over LAF but then it looks to occlude-hence a brief mention of sleet and lower totals--but mostly a snow threat then big winds on the back side.

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Is lake enhancement really gonna be as big of a deal for southern Wi/No Illinois as MKX is making it out to be? MKX has band enhancement even to the Midpoint of the state or it's Western CWA...

The lake is pretty cold but not overly ice covered. Delta Ts won’t get crazy, but it’s going to be a cold storm and with ripping northeast winds so it’s hard to imagine some extra juice doesn’t get thrown into the column. The NAM is also hinting at a decent but short lived lake effect band on the tail end post defo band. This is harder to peg.

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Boy, the trend is NOT the friend of Iowans. We needed the uber-agressive models(with low track to St Louis), but they are headed east. Any further east shift will cause my total to fall off a cliff. Even worse, the nice initial WAA event today/tonight is tanking on the models. It had looked good for a widespread 3-5 inches across Iowa, but now 1 inch, maybe 2 is all we will get. So this winter has two huge snowstorms, one goes north of Iowa, one goes south.

Maybe we can get a last minute nowcast left hook from this thing.sad.gif

I guess we shall see. I'm hoping the NAM is wrong and the other models end up being correct and take the low right over St Louis. The heavy snow swath is so wide that don't think it would take that much of a jog back north to get into heavy snows. GFS still has anyone from Cedar Rapids south getting at least a foot.

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Uncle Ukie at 48

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A smidge south of the RGEM, but again, NAM's alone and cold.

ukies heights at key time 48 hrs arent too far off the RGEM though just about 25 or so miles less amped over new england.....i think at this range is still within the normal range of variance between either model.

gonna be very interesting to watch.

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What are you chasing? I'd be chasing the icestorm if I was going to chase anything. It will probably be a crazy sight where it stays mostly ice.

id be chasing the snow that is going to literally expode over to the NW of the storm, just south of chicago it appears

i cant even believe what the models are printing out in that 6 hr period when that explosion takes place and the large area......the obs are going to be ridiculous and i will be shocked....stunned..... if forecast amounts arent exceeded and it will snow like it has never snowed before for many in that zone.

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Totally anecdotal, but the general attitude amongst non-weather enthusiasts is that this storm will be no big deal and is probably over hyped. luckily since the bulk will fall while people are asleep, i don't think the roads will be a car graveyard like they would if it started mid day before rush hour.

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Got it from Cory early today and he's at work, but I iimagine he will run a broader one for the area off 12z data when he gets home aorund 12:30.

I have to stay after work to do some training but I'll run an expanded domain when I get home. ;)

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Long time listener, first time caller. I'm in Peoria IL. Based on what I'm reading, it sounds like we're absolute ground-zero for this storm, even more so than Chicagoland.

Anyone want to hazard a guess as to what we'll see in Peoria/Bloomington? 12"? 18"? 20"? All snow, or ice layer followed by snow? People here at work are starting to freak out, so a Peoria-centric forecast would be much appreciated. THANKS!

:thumbsup:

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