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January Medium/Long Range Discussion


WinterWxLuvr
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1 minute ago, yoda said:

Those ratios probably would be too low lol... 06z EPS Control has temps between 17 and 24 for just about everyone (S MD is in mid 20s)... pure cold smoke, so Kuchera would be ridiculous if there was one

 

EPS track would suggest a cold smoke event for inland areas , actually even coastal areas would cash in according to the EPS. But, it is early amd would like to see additional models jump onboard. However, the pattern does support a storm in this period, and the time frame after this as well.    

 

 

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 61e5691279cee.png.02d610791ef81fb5bf7d5aa12c2954ca.png.4eb459b78ee9dfad4faaf93608094db4.png

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1 minute ago, ryanconway63 said:

The times have really changed when the Euro shows a big storm less than 5 days out and nobody is excited until the GFS shows it.

GFS is the old Euro from 5 years ago.

CMC is the old GFS with a fantasy storm every run that usually doesn't materialize

Euro is the old GFS and plays catchup to the others.

Don't ask how we got here, but here we are in 2022.

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1 minute ago, mattie g said:

But it’s run from the same initial conditions as the op, and the fact they generally resemble each others’ results (excepting snow totals) on day 5 can’t be ignored.

Yes, and EPS resolution is still very high relative to other global operational models and especially other ensemble systems.

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"Another member of the ensemble (CNTL: Control forecast) is at a lower spatial resolution than the HRES but at that lower resolution it utilises the most accurate estimate of the current conditions and the currently best description of the model physics. Its significance for the ensemble is that it provides the unperturbed member to which the perturbations for the remainder of the ensemble members are applied."

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22 minutes ago, osfan24 said:

Can someone explain the point of the Euro Control if it shouldn't be used as guidance?

It’s one member of the ensemble. It has the same initial conditions as the op and can be used to diagnose the impacts of the differing resolution between the ensembles and the op. I don’t think there’s any reason to give it any more weight than any other member of the ensembles, but I’d be interested hearing otherwise. 

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40 minutes ago, midatlanticweather said:

Does the European control ever matter? I think it is notorious for 2 to 3 foot snows. 

At this particular range it matters more than usual. The control starts off with identical data as the op and runs at Ensemble resolution.  Inside of 6 days or so, the control can be more accurate than the op... caveat.... at times... Is this one of those times? Beep bop boop don't know. However, it should absolutely not disregarded because it's "the control". All good data matters 

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