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Winter Medium to Long Range Discussion; 5+ days out


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GFS really upped snowfall accumulations for Monday and early Tuesday.

If trends hold another 24 hours, I'll start a thread.

 

http://maps1.pivotalweather.com/models/gfshires/20160120/18Z/f168/acckucherasnowmw.png

 

Was the snow always that far north? Puts mby on the SE fringe of decent stuff. What a kick that'll be if after days and days of single digits it gets too warm when this comes through. Good Luck over there though - looks like your magnet's dialed in again. ;)

Winter 2023-24 Snow Total = 53.1" (90% Normal Season)  Largest Storm: 12" (1/12-13)   Oct: 0.1 Nov: 2.9 Dec: 7.5 Jan: 31.7 Feb: 6.0 Mar: 4.3 Apr: 0.1

Avg = 59.2"  (Harrison): 2023-24 = 53.1" 

Avg = 45.0"  (KDTW): 2022-23 = 33.5"   2021-22 = 35.6"    

Avg = 49.7"  (KRMY): 2020-21 = 36.2"   2019-20 = 48.0"   2018-19 = 56.1"   2017-18 = 68.3"    2016-17 = 52"    2015-16 = 57.4"    2014-15 = 55.3"    2013-14 = 100.6" (coldest & snowiest in the modern record!)  2012-13 = 47.2"    2011-12 = 43.7"

Legit Blizzards (high winds and dbl digit snows): Feb 2011, Dec 2009, Jan 2005, Dec 2000, Jan 1999, Mar 1998, Nov 1989, Jan 1982, Jan 1978, Jan 1977, Apr 1975, Mar 1973, Jan 1967, Feb 1965, Jan 1918

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Was the snow always that far north? Puts mby on the SE fringe of decent stuff. What a kick that'll be if after days and days of single digits it gets too warm when this comes through. Good Luck over there though - looks like your magnet's dialed in again. ;)

 

It was a disorganized storm until now.

 

We need to lose that storm in southern Canada or have it scoot by quicker. It would allow the high in back of it to slide southward quicker.

 

 

Here was the real good run yesterday. The low dives into NE instead of towards Lake Superior.

 

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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Would like to know what the EURO does with the Day 11 storm. Does not look organized from this map.  

 

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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that nearly straight 0c line. dont see that too often

 

Would like to know what the EURO does with the Day 11 storm. Does not look organized from this map.  

 

http://www.tropicaltidbits.com/analysis/models/ecmwf/2016012012/ecmwf_T850_us_11.png

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2021-22 Snowfall: (Hiawatha)

TOTAL: 10.2"

(12/28: 3.0") (12/29: 0.8") 

(1/1: 6.4")

 

 

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I know. Good for you. Bad for me.

 

Or we need a slow ejection far enough south to give you some snow too. Once it gets past the Mississippi River then it can swing further north.

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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Low of the 28th diving more SE ward. System after will end up further east I'm guessing.

System on Monday not quite as organized this run. Maybe a 2-4" swath for a few.

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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Weird...

SW is slower to eject out because it waits for the northern stream piece to go by. Then it comes out and does not hook.

 

 

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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That system on the first of February bears watching. Not only for the snow, but that's also caucus night here in Iowa. That could sway turnout if it holds true.

 

 

On a separate note can you imagine if we had the storm that Virginia and Maryland are going to get. This board would be lit up...but go to the east coast page and all is quiet. What gives?

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That storm in Virginia & Maryland Not going to happen modals are over doing it. This has happened before where the modals had this same type of storm only to have it be light accumulation when the storm had passed,

Would that be March of '93, Jan '96, Dec 09 or Feb 2010? If you don't think Maryland and Virginia are going to get walloped, I want what you're smoking

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Euro showing the PV displaced off the pole by Day 10...

 

Here is the current situation...then Day 10...that storm system which opens February is going to be a fun storm to track which will likely ignite an active pattern of larger scale storms IMO.

 

Euro showing an active NW Flow pattern next week after the weak Mon/Tue system.  Showing two systems coming down out of CA mid/late next week before the BIG one starts brewing sometime on or after the Day 10 period.

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That storm in Virginia & Maryland Not going to happen modals are over doing it. This has happened before where the modals had this same type of storm only to have it be light accumulation when the storm had passed,

 

They have the ocean and Gulf Stream right there, I wouldn't doubt widespread 2' amounts.

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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12z GFS has some real nice storms on it.

 

----

 

Can see the SSW event showing up on the GEFS.

 

Figure7ak.png

 

Actually the PV is well displaced by day 5.

 

 

 

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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GFS/GGEM show more rain than snow around here...I think the this system will cut just NW of Chicago or right over.  Going to be close for us.

 

All depends on how big of a trough is left in the wake of the East Coast bomb.

 

If it swings up a bit, then a bigger trough will be carved out and more than likely the Tuesday system will stay south of I-80.

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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12z Euro carving out a monster trough Day 10 in the west/southwest part of the U.S.  Going to be an interesting storm to track as the PNA/AO/EPO all head towards neutral during this period.  Those are prime teleconnection signals for a bowling ball type of storm.

 

This storm fits the Dec 12th/13th storm in the LRC cycle #2.

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Interestingly enough, there is a lot of agreement among the GEFS/EPS members for the Day 10-12 system.  Looks like both models are seeing a storm or two ejecting out somewhere near KS/NE and track ENE towards the Lakes somewhere.  A lot of moisture being painted between both models.

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