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Potential winter threats


tombo82685

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Well the good thing is that we are a week away from this potential event and things can and do change. That and the overall set up is more favorable than it has been up until now this winter for something. Better to be in this position now than later.

Closer to 6 days or less. Will be interesting to see the ggem and euro, but not liking the overall trending from last night ecm/ggem and with the ensembles as well. Plenty of time and lots of cold and potential the next 1 - 2 weeks.

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Closer to 6 days or less. Will be interesting to see the ggem and euro, but not liking the overall trending from last night ecm/ggem and with the ensembles as well. Plenty of time and lots of cold and potential the next 1 - 2 weeks.

agreed. trend is not good.

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If the ECMWF jumps back on board today all the enthusiasm will be back lol its just one model run and its still six days out plenty of time for things to change. I would almost rather not have the storm show up this far out since accuracy is so low.

If that is true my first thought is what is different between the 12z ecmwf initialization scheme vs its 00z run because it would be following an on/off/on/off/on pattern exactly. One can never say we never because ma nature will come bite ya, but in la nina winters where phasing is more difficult and/or more difficult to forecast for an east coast event, my skepticism about any model solution is higher than average until we get within 96hrs of the meat of the storm. This cuts both ways Jan 2000 was not "suppose" to happen and March 2001 had NJ in its epicenter at 84hrs.

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agreed. trend is not good.

I think it's hilarious that we are already defining a trend off really one model run of the Euro (0z). This is also the first time the GFS has showed this solution after 2 previous model runs showing a storm. I'm not trying to imply that we should still definitely get a storm, but I think it's ridiculous that with one bad model run, people already start calling that a "trend."

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If that is true my first thought is what is different between the 12z ecmwf initialization scheme vs its 00z run because it would be following an on/off/on/off/on pattern exactly. One can never say we never because ma nature will come bite ya, but in la nina winters where phasing is more difficult and/or more difficult to forecast for an east coast event, my skepticism about any model solution is higher than average until we get within 96hrs of the meat of the storm. This cuts both ways Jan 2000 was not "suppose" to happen and March 2001 had NJ in its epicenter at 84hrs.

It seems right now timing is the main issue, the longer it takes for the short wave to cross the better chance it has of missing the phase and getting carried out to sea. My point is, its still too early to call this one a miss.

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Just to put this in perspective...I went back and looked at my Wxsim forecast (which relies heavily on a GFS/NAM mix) from last December 19th storm....which resulted in 15" of snow in my backyard. The forecast on the 16th indicated Partly Sunny. I remember the blizzard of 1996 where 48 hours before almost all outlets were forecasting the storm to stay to the south. Point is...try not to get to hyped over any particular (6z) model and down on the (12z) model etc. In this pattern it is unlikely any one solution this far out will verify.

What is interesting is there is storminess on the maps and cold to boot....either way this is a very interesting pattern. Enjoy it even if you don' t get snow in your yard

Paul

www.chescowx.com

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Actually I think the real trend has always been to keep this suppressed and OTS. Only really 1 run of the Euro and 2 runs of the GFS have showed this thing coming up the coast. I also believe the GGEM and to a lesser degree the UKIE have been off shore as well.

I think it's hilarious that we are already defining a trend off really one model run of the Euro (0z). This is also the first time the GFS has showed this solution after 2 previous model runs showing a storm. I'm not trying to imply that we should still definitely get a storm, but I think it's ridiculous that with one bad model run, people already start calling that a "trend."

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Actually I think the real trend has always been to keep this suppressed and OTS. Only really 1 run of the Euro and 2 runs of the GFS have showed this thing coming up the coast. I also believe the GGEM and to a lesser degree the UKIE have been off shore as well.

I'm pretty sure the Euro showed it twice, but regardless, I don't think there's a trend either way, for storm or no storm. What there is though is a better overall set up and potential for a storm, and the models will most certainly show different variations of what can happen when it's this far out.

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Actually I think the real trend has always been to keep this suppressed and OTS. Only really 1 run of the Euro and 2 runs of the GFS have showed this thing coming up the coast. I also believe the GGEM and to a lesser degree the UKIE have been off shore as well.

The euro has gone hit / miss / hit / miss the last four runs.

The 00z run of the gfs was its first hit.

The 12z ukie yesterday would have been snow to rain in nyc-phl, its 00z run looked like a hit

The can ggem has been pretty much a miss.

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Again...timing is everything. With this type of storm where were not relying on a transfer of energy from lets say the midwest to a developing coastal the fact that we defintily have some sort of low to track I like are chances. Also, if you look at last winter, and I'm not saying its even much of a comparison because of the strong nina this year but most of the storms trended north with time.

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