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Winter Medium to Long Range Discussion; 5+ days out


Geos

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I really wonder how accurate the snow ratios on pivotalweather are. I know they use the Kuchera method vs a straight ratio, but it seems like it spits out much higher amounts than Instantweathermaps for example. I don't think I have ever seen 4 feet of snow forecast for this area!!

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GHD Blizzard I remember it was spitting out 30"+ day before the storm. It was a godd blizzard but it could of been epic I rememeber it didn't even come close to the forecasted totals. Did we have issues with dry slotting? Can't remember what the issue was.

Yup, N IN got dry slotted with that storm and the other variable that was going against the higher accumulations were the very high winds which can rip a snowflake apart as it falls to the ground.  I remember the flake size never got fat/fluffy but more grainy.  If it were to have more "fluff", then those totals would have been achieved.  50-70mph wind gusts won't help!

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Yup, N IN got dry slotted with that storm and the other variable that was going against the higher accumulations were the very high winds which can rip a snowflake apart as it falls to the ground.  I remember the flake size never got fat/fluffy but more grainy.  If it were to have more "fluff", then those totals would have been achieved.  50-70mph wind gusts won't help!

The winds do not look insane at this point, but around 30-40 mph gusts.

2021-22 Snowfall: (Hiawatha)

TOTAL: 10.2"

(12/28: 3.0") (12/29: 0.8") 

(1/1: 6.4")

 

 

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It's showing a wide range of precip while the storm is developing sitting out in Colorado

 

This is before the main storm hits:

 

http://maps1.pivotalweather.com/models/gfshires/20160123/12Z/f234/24hkucherasnowmw.png

 

 

Then the main storm cuts up towards Milwaukee

 

http://maps1.pivotalweather.com/models/gfshires/20160123/12Z/f264/24hkucherasnowmw.png

 

Total:

 

http://maps1.pivotalweather.com/models/gfshires/20160123/12Z/f276/acckucherasnowmw.png

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This storm a EPIC fail at this point too far north.

Are you being serious???  Who cares where the storm is tracking 7-10 days out.  The fact that the model is producing a storm consistently is THE only fact you should be looking at.

 

Track is only important 24-36 hours out. 

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GFS has shown a marginal setup every run from the get go over here it seems like. Need colder air to come in much faster to give the rest of us a shot.

As I saw it GEM is further south than the GFS is

2021-22 Snowfall: (Hiawatha)

TOTAL: 10.2"

(12/28: 3.0") (12/29: 0.8") 

(1/1: 6.4")

 

 

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GGEM at the end of the run. Has the storm finally getting going at the end as the northern stream clipper moves through and a 1038 H is in southern Canada

 

http://img.meteocentre.com/models/gemglb_amer_12/P6_GZ_D5_PN_240_0000.gif

That northern feature that zips across the border will be an important player as well.  It will determine the placement of the cold air dome building south of Hudson Bay.

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