Weeklies have the cold shot and snow potential December 13-20th. It then goes full on Niña with cold west/warm East. Around January 15th (la la la land) it has -nao, -epo, and cold moving east. Looks like a niño pattern in the middle of January
I’m not going to turn a blind eye to it! The end of the ensembles are look ugly. The vortex is moving into Ak and pac flow starts enveloping the country
We still have a opportunity before that but as of now that’s where we Stand
The ensembles did a good job of predicting the ridge in west and trough in the east this weekend. It’s just small details that we won’t know until closer in. This weekend we have a nice 50/50 Feature that wasn’t their earlier.
Keeping the vortex weak is important because it allows us a mechanism to get cold without the help of the mjo. If the mjo (which I expect this winter) remains in unfavorable phases it is very important the vortex stay weak. Last winter strong mjo and vortex was a death sentence.
Im not referring to a SSW, just a weak enough vortex for strat hits.
Some really nice tweets from Simon Lee today about the vortex. The second half of December will be the key to how the rest of winter ends up. In 2019 we had some Weakening of the vortex (cold November and early December) then it went crazy at the end of the month. This was basically the nail in the coffin last winter. It’s very important not to see it gain strength at the end of December.
As the pac reshuffles we are probably going to warm next weekend. The eps went towards the gefs today with dumping energy into the west. It doesn’t break off a piece into the trough in the east.
IMO the 11th into the 20th will be our best shot for snow. We will get a cold dump into the east because of the wave 1 hit on the strat. We will loose the Aleutian low so this will allow lower hgts into Canada.
That’s a legit cold shot coming with the wave 1 strat hit. We should have shots at snow between the 10th-20th. Looks like overrunning stuff and clippers
We are not going to sustain a ridge out there for weeks on end. Need to make the most of our opportunities when we have it. A ridge kissing the west coast up into the artic works also. Which is what the ensembles have.
I’m talking about the wave 1 hit on the strat. It’s throwing a punch at the SPV and getting it off the pole. This will open the artic flood gates at a piece of the TPV goes into Hudson Bay
All the ensembles now bring a piece of the TPV into Canada. This is a result of the strat hit. Looks cold mid month with no Niña pattern in sight. Look at -epo on all three of Them