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Pattern January 2020 - Operation Thaw Alaska

Taking the kiddos on MLK weekend to the bunny slopes at Sapphire Valley and maybe Cataloochee. Verbatim on the 06z GFS, they may be smiling.
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As of right now you won’t be. It’s been closed because it’s been so dangerous with low snow levels and mud. Sapphire is suppose to reopen this Friday but look at the forecast...multiple inches of rain and hot weather.
 
MJO keeps going!
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Well if that isn’t encouraging
 
MJO keeps going!
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People can’t deny this one, it’s definitely an MJO wave. The cool thing is models are predicting a pattern change by this time, and as Webb has said, phase 7 supports snow storms in NC. Not only that, but Baxter et al. says expect cold 10-20 days after Phase 7 during winter months. Since this is high amplitude, I’m not expecting a transient cold shot but a more sustained pattern of cold and stormy.

The euro looks like it wants to get some blocking going as well at the end of the run.



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MJO keeps going!
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Before getting to better phases, this is the strongest GEFS phase 5 run yet with ~4 amp on 1/12/20, which would be close to a record strongest phase 4 or 5 for winter going back to 1975! Even if slightly overdone (my guess), it would still be the second strongest by a good margin.
 
Before getting to better phases, this is the strongest GEFS phase 5 run yet with ~4 amp on 1/12/20, which would be close to a record strongest phase 4 or 5 for winter going back to 1975! Even if slightly overdone (my guess), it would still be the second strongest by a good margin.
What are the implications of this if we carry the high amp into phase 7? I think things could get interesting if we enter phase 7 at a high amplitude (which eric has shown some sort of correlation with SE winterstorms, is that correct) & kinda dive towards the circle but at an angle towards 8...
 
What are the implications of this if we carry the high amp into phase 7? I think things could get interesting if we enter phase 7 at a high amplitude (which eric has shown some sort of correlation with SE winterstorms, is that correct) & kinda dive towards the circle but at an angle towards 8...
See Jon's tweet. I've also read from a couple of mets that think we will get to 8.
 
What are the implications of this if we carry the high amp into phase 7? I think things could get interesting if we enter phase 7 at a high amplitude (which eric has shown some sort of correlation with SE winterstorms, is that correct) & kinda dive towards the circle but at an angle towards 8...
I know it favors winter storms in the Carolina's, Larry @GaWx has noted many times that the COD is good for winter weather (focused on Atl). I'm curious if P7 and P8 are as good in the deep south as it is for the Carolina's
 
I know it favors winter storms in the Carolina's, Larry @GaWx has noted many times that the COD is good for winter weather (focused on Atl). I'm curious if P7 and P8 are as good in the deep south as it is for the Carolina's

For ATL, there have been 8 different storms that produced either major ZR or major IP since MJO phase records started in 1975. For 7 of these 8, the MJO was inside the COD and the other one was in the COD one of the 2 days of the storm.

OTOH, major snows were different.
 
Looks like Texas, Oklahoma and Arkansas are trending a little snowier in the short term on the GFS. Nice to see winter somewhere in the s/e.
 
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