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Contest: February 25-March 2 Total Snowfall


Chicago WX

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DTW: 5.9"

FWA: 3.0"

MKE: 5.1"

ORD:  3.7"

Toronto (downtown): 8.7"
MCI Feb 25-27: 14.4"

There reason I have ORD so relatively low compared to DTW is because the bulk of precipitation from this next storm looks to fall during the daylight hours, whereas at DTW most of it will likely occur during the late evening into the overnight hours.

Also, going fairly big for KC, I think they're going to get the big one.

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I think people aren't realizing this is through March 2nd and not just Tuesday/Wednesday

 

 

Yeah, I agree. It may not snow through the 2nd for everyone, but this contest includes "extended" wrap around stuff too.

I can't speak for others but I was including the entire week. It might seem a little low but I'm not currently anticipating, at the moment, huge things from the next storm system, mostly because of marginal surface temps. I feel like this is going to be extremely hard to accurately forecast though, I could easily be way lowballing everyone especially if we get another decent system before March 2nd.

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Downtown Toronto is going to get massacred by uhi/Lk Ontario/lack of latitude/lack of elevation. As it stands right now, half a foot there would astonish me. Nipher or not, the amounts people are posting are more likely at YYZ.

 

It's going to be close. I think heavy precip rates and strong dynamics could offset the negative factors (uhi, Lake Ontario, etc). April 11th, 1999 (2.8"), Dec. 14th, 2001 (3.8"), April 2nd, 2002 (4.3") and part A of the Feb. 6th, 2008 (3.5") storm are prime examples of where the temperature was 33 or 34 downtown and the snow sticked to the ground.

 

My guess of 4.8" is very conservative. It could possibly be higher. We'll see.

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DTW: 9.3

FWA: 6.4

MKE: 8.4

ORD: 9.1

Toronto (downtown): 6.1

 

Bonus question: total snowfall for Kansas City (MCI) for Feb 25-27: 17.4

 

Used a blend of the 60 hr 4km High Res Nam, the Reg Nam and the Euro. My flyer on this is Toronto as the Euro has zero back up.  I also went with the more conservative NAM when it came to ORD, weighted that forecast 70/30 Nam vs Euro, for most of this I threw the GFS under the bus.  This is going to be a whopper of a storm as it moves out, I think the GFS weakens it to quickly.  At 26/0z both the Euro and the Nam pick up a slug of moisture off the gulf over the New Orleans area, the GFS kicks that out east of there buy about 150 miles.

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Lakes/OV forum snowfall plumes.

 

DTW: 3.0", 3.0", 3.8", 5.1", 5.5", 5.6", 5.7", 5.8", 5.9", 6.1", 6.2", 6.8", 7.0", 7.0", 7.1", 7.2", 7.4", 7.4", 7.4", 7.5", 7.5", 8.2", 8.5", 8.7", 9.3", 9.5", 10.0"

 

FWA: 0.8", 2.0", 2.4", 2.9", 3.0", 3.0", 3.0", 3.1", 3.4", 4.0", 4.0", 4.1", 4.5", 4.5", 4.5", 4.5", 4.6", 4.8", 5.1", 5.1", 5.1", 5.1", 5.2", 6.4", 6.4", 6.6", 6.9"

 

MKE: 0.5", 2.0", 2.3", 3.4", 4.2", 4.3", 4.3", 4.5", 4.5", 4.5", 4.5", 4.6", 4.9", 4.9", 5.0", 5.1", 5.5", 5.6", 5.8", 5.8", 6.2", 6.4", 6.8", 7.2", 7.7", 7.8", 8.4"

 

ORD: 3.0", 3.7", 4.1", 4.8", 4.9", 4.9", 5.0", 5.0", 5.5", 5.7", 6.0", 6.1", 6.1", 6.2", 6.2", 6.3", 6.4", 6.4", 6.5", 6.5", 6.5", 6.5", 6.7", 6.8", 8.5", 9.0", 9.1"

 

Toronto: 3.5", 4.2", 4.8", 5.0", 6.1", 6.5", 6.7", 7.0", 7.0", 7.8", 7.9", 8.0", 8.1", 8.1", 8.7", 8.8", 8.9", 8.9", 9.0", 9.3", 9.5", 10.0", 10.5", 10.5", 11.4", 13.3", 14.2"

 

MCI: 8.3", 10.0", 11.0", 11.2", 11.4", 11.5", 11.8", 11.9", 11.9", 12.3", 12.5", 12.9", 13.3", 13.3", 13.6", 14.0", 14.2", 14.2", 14.4", 15.0", 15.3",  15.2", 15.6", 17.2", 17.4", 19.8"

 

DTW

Mean snowfall: 6.7" 

Median snowfall: 7.0"

 

FWA

Mean snowfall: 4.3"

Median snowfall: 4.5"

 

MKE

Mean snowfall: 5.1"

Median snowfall: 4.9"

 

ORD

Mean snowfall: 6.0"

Median snowfall: 6.2"

 

Toronto

Mean snowfall: 8.3"

Median snowfall: 8.1"

 

MCI

Mean snowfall: 13.4"

Median snowfall: 13.3"

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^GLOV Model isn't totally unreasonable....maybe runs a a tad high with QPF but then again what model doesn't

 

 

The ensembles are all over the place though.

 

All good comments. But the GLOV plumes mean/median snowfall busted low on the first contest for ORD. Food for thought.

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