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March 4-6 Winter Storm pt 2


Harry

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15" almost at Midway lol.  RPM buries you guys. 

 

Yeah I aint looking forward to the drive home tomorrow night, but it will be worth it.

 

The Wells St. bridge (and L tracks) are closed for renovations so all brown line riders are re-routed through the red line.  This normally wouldn't matter since I take a lake shore drive express bus but during snowstorms LSD becomes a nightmare.  If it starts cranking, it's either leave work early or just hang around downtown until the late evening when things wind down.

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Wide spread for UGN.

 

I guess it's somewhat noteworthy that places like IKK, JOT, ORD, and VPZ have lesser spreads. Maybe a bit better confidence in those potential amounts. But, I like to slash them by an inch or two...based off prior history.

 

Yeah it is kind of odd...models have been hinting at a razor cut off to the north for a while.  Agree on trimming the amounts of course.

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You pretty much have it. We like to call it a hybrid clipper. They're not as rare as you may think, but not typical...you know? ;) Seems this set up likes to happen when there is relatively strong blocking in place. December 2010 had a couple of good examples of this set up...but of course, the cold is more "marginal" this time of year. Good luck up there...your location looks pretty good. :)

 

 

 

  Ahhh, Hybrid Clipper.  Me being a Purdue Grad you'd think I knew that lol.  That cutoff line to my NE keeps meandering closer to me though.  

  So I'm going to guess the farther south the southern part tracks the farther SW that cutoff line will be and vice versa.  Where I live is kinda strange.  It's in a depression almost 200 feet lower than the surrounding 10-15 mile radius.   I think there's a lot of cold air pooling around here.  Our temps are always 2-5 degrees cooler than the surrounding areas.  Might explain why we got 50% more snow than the surrounding area last week.  I'm looking forward to 8.5 here I think.  We'll see how cool it gets tonight ;)

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DEC

mean: 3.7"

high: 6.8"

low: 1.0"

Don't have ILX, but I'll add some other central IL locations below.

AAA

mean: 4.8"

high: 8.4"

low: 1.8"

BMI

mean: 6.6"

high: 10.7"

low: 3.1"

PIA

mean: 6.2"

high: 11.6"

low: 3.2"

SPI

mean: 3.7"

high: 7.6"

low: 1.1"

TAZ

mean: 3.1"

high: 6.0"

low: 1.0"

Would you mind adding CMH, CVG, and CLE? Thanks!

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Really think the 4-7 calls for Chicago are conservative. It's going to be rip city in that band and the somewhat colder temps during the bulk of this event (compared to last time) should make a big difference. I'm also banking on something like 12-15:1 ratios given thermal profiles/moisture/lift.

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Really think the 4-7 calls for Chicago are conservative. It's going to be rip city in that band and the somewhat colder temps during the bulk of this event (compared to last time) should make a big difference. I'm also banking on something like 12-15:1 ratios given thermal profiles/moisture/lift.

 

We'll see, I'm not ultra confident either direction.  No take it to the bank guarantees this time.

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Really think the 4-7 calls for Chicago are conservative. It's going to be rip city in that band and the somewhat colder temps during the bulk of this event (compared to last time) should make a big difference. I'm also banking on something like 12-15:1 ratios given thermal profiles/moisture/lift.

100% agreed.

 

 

We'll see, I'm not ultra confident either direction.  No take it to the bank clock guarantees this time.

:lmao:

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Would you mind adding CMH, CVG, and CLE? Thanks!

 

DAY and TOL added as well.

 

CMH

mean: 3.9"

high: 7.0"

low: 1.6"

 

CLE

mean: 3.0"

high: 7.1"

low: 0.6" 

 

CVG

mean: 2.2"

high: 4.1"

low: 0.8"

 

DAY

mean: 5.5"

high: 9.8"

low: 2.6"

 

TOL

mean: 3.7"

high: 8.8"

low: 0.2"

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  Ahhh, Hybrid Clipper.  Me being a Purdue Grad you'd think I knew that lol.  That cutoff line to my NE keeps meandering closer to me though.  

  So I'm going to guess the farther south the southern part tracks the farther SW that cutoff line will be and vice versa. 

 

Three things to watch really...where the 500, 700, 850 lows track. Surface low should be pretty much set. That'll tell the tale who gets some action, and those who will get shut out.

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Really think the 4-7 calls for Chicago are conservative. It's going to be rip city in that band and the somewhat colder temps during the bulk of this event (compared to last time) should make a big difference. I'm also banking on something like 12-15:1 ratios given thermal profiles/moisture/lift.

I'm not sure about 15:1...12:1 could be doable, and 10:1 is a sure thing.

 

You're probably right. 4-7 does seem a little paltry in light of all of the model guidance. However, I don't think amounts are going to go much beyond 8". QPF always tends to be overdone, and there's always the chance things don't quite go according to plan. If I hadn't already solidified 4-7 as my final call, I'd probably up it to 5-8" now, but I think I'll stick with it and be happy if I bust low. ;)

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Just got call that my kids school is closed tomorrow ( in Buffalo Grove) way to early in my mind especially up here.

 

They're probably figuring that they would close early anyway so might as well just close the entire day and then they don't have to worry about getting the kids home.

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