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GHD III possible Winter Storm February 1st-3rd


Thundersnow12

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GFS has been more or less in the same area in the last few days. Now tonight it decides it wants to do something different.

 

GEM ensemble mean a shade se of 12z run with a track to Port Huron/Detroit vs 12z over Flint.

 

Wasn't expecting to hear this.^

 

Don't know what to think, other than it's too early to call any shots.

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Trend in the GEFS today has been to shift slp track to the NW - though it shifted to the SE between 06z and 12z. 

 

Lots of time left for this one. These shifts are to be expected but I'm certainly not digging this current trend for MBY.

 

Hey at least the shifts are happening now 3-4 day out. Better than within 48 hours.

 

This was the last run that the GFS had the low crossing NW IL. 18z Tuesday

 

gfs_mslp_pcpn_frzn_us_31.png

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What's the euro's track record this winter?

 

So, currently it looks like we have CMC/Euro in the southern camp and GFS in the nothern camp

 

In the eastern US, not so great.

 

Sounds like when the EURO took a more southern dip, it brought up more warm air than the 12z run. Track looks to be still south of here.

Or is there zig zagging again?

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New op Euro deposits best snows from Fort Dodge IA up to around Wausau.  That's been the most commonly zeroed in zone for sig accums since we started watching this thing 4-5 days ago.  Starting to think that maybe that area will likely end up with the most snow after all.  

 

Not throwing the towel in yet, but I'm starting to get the typical here we go again type of feeling.  Sure hope we can get our 2nd 1"+ snow event for met winter at least out of this.

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Forgot that you can see EURO maps on Wunderground.

 

Surface low near KC at 90 hours. Then the low gets all stretched out as it approaches I-80 like we see at 96 hours.

 

MSLP passes right overhead and up Lake Michigan before moving east of Lake Huron.

 

There's some front end snow in far N IL and southern WI. Rain, then a massive dry slot moves in - precip shuts off.

Possibly some freezing rain in southern WI from Milwaukee to Madison around 99 hours.

 

Looks like it gets to about 2°C in the dry slot here.

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No good. Way north for most of us.

Did this thing get sampled by chance?

 

prateptypeconus.png

 

prateptypeconus.png

 

A small portion of what will be the main storm is currently being sampled by the RAOB network in NW Washington State and British Columbia.

 

But it's not fully sampled yet and it won't be fully sampled until Monday at best.

 

The initial (Sunday's) wave was fully sampled for the 00z run though. 

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