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Wintry December 23-26 2022 Winter Weather and Cold

Wow!!! GFDL C-SHIELD, a hires model, has some very low wind chills Friday morning. Appears to be -10 to -20F around ATL.

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CaryWx said:
I'm thinking some of this is overdone
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Maybe. That wind chill is going to have a serious bite. I’ll be dripping my faucets. No one is getting the white Christmas they wanted but the cold centered around the holidays is something any weather Goober can appreciate. This is rarefied air and we’ll look back on it many years from now and smile.
 
Jimmy Hypocracy said:
Maybe. That wind chill is going to have a serious bite. I’ll be dripping my faucets. No one is getting the white Christmas they wanted but the cold centered around the holidays is something any weather Goober can appreciate. This is rarefied air and we’ll look back on it many years from now and smile.
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I’ve got an air compressor and a hose pipe… I’ll be the most popular Dad in the neighborhood come Saturday morning
 
Chazwin said:
I’ve got an air compressor and a hose pipe… I’ll be the most popular Dad in the neighborhood come Saturday morning
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Im gonna give a try mysellf. Ill probably cause ice to build up in hose and back into house knowing my luck. Get the wife in a great mood before 20 descend upon us to eat lol.
 
NCSNOW said:
Im gonna give a try mysellf. Ill probably cause ice to build up in hose and back into house knowing my luck. Get the wife in a great mood before 20 descend upon us to eat lol.
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Before you start… run a cycle of the washing machine with hot water… that should keep the pipes plenty warm while your making it
 
Jimmy Hypocracy said:
Maybe. That wind chill is going to have a serious bite. I’ll be dripping my faucets. No one is getting the white Christmas they wanted but the cold centered around the holidays is something any weather Goober can appreciate. This is rarefied air and we’ll look back on it many years from now and smile.
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It’s cold enough, most people could easily make a snow gun out of their hoses outside, just to make a white Christmas easily in your own yard! The colder the better and easier
 
griteater said:
The wave dropping down after the Arctic blast has a decent look to it now on the modeling, but an issue I see is this…what we’d like to see as the wave drops down is a jet streak behind it to drive energy and lift into the base of the trough in the left exit region of the jet streak (a key feature in the Jan 2003 setup for example). With this one, the jet streak is weakening, and thus, the dynamics aren’t there for it to really explode like it needs to in the base of the trough. On the loop, it looks like the increasing jet flow from the west is breaking down our digging trough via an anti-cyclonic wave break (the top part of the ridge behind it is toppling over and the whole jet dynamics are weakening). I will continue to watch of course, but I suspect this isn’t something that is going to suddenly improve on the modeling. Of course, now that I state this, the happy hour GFS will assuredly go bonkers with it and look good

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I did a lot of digging to find this one, but I think December 16-17 1973 is legitimately the best pattern match out there to next week. Wasn't easy trying to find cases where you had big +EPO, +PNA, east-central US trough, & a ridge just offshore Atlantic Canada


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Tarheel1 said:
It’s cold enough, most people could easily make a snow gun out of their hoses outside, just to make a white Christmas easily in your own yard! The colder the better and easier
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No, it requires an air compressor or pressure washer and spray nozzles for correct atomization . Also, there must be a nucleation nozzle to create the ice crystals. It's not as easy as just spraying water in the air.
 
Webberweather53 said:
I did a lot of digging to find this one, but I think December 16-17 1973 is legitimately the best pattern match out there to next week. Wasn't easy trying to find cases where you had big +EPO, +PNA, east-central US trough, & a ridge just offshore Atlantic Canada


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View attachment 127897
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Here's a daily gif of that event. This is a very rare case of getting snow with a ridge over SE Canada. The only reason that worked was because of a deeply cold air mass over Central Canada. Another similarity between this upcoming look and the Dec 1973 storm. By the time it reached the NE, there was ice.
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