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Feb 13: The little storm that could (for some)


Ian

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To me, its pathetic. I'm not emotionally upset but I've lived here two years and never seen snow accumulate on a street. That's sad more than irritating

see, the difference between our lousy winters and a NE lousy winter can be seen in 09/10

when NE had a "relatively" lousy winter, most people still had around 75% of average vs. our lousy winters are 25% of average or less

it's OK though, it'll make a man out of you!

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To me, its pathetic. I'm not emotionally upset but I've lived here two years and never seen snow accumulate on a street. That's sad more than irritating

Yes.  Agreed.  That is sad for you.  I have been in MD pretty much 39 of my 42 years.  It's not easy to get storms like we used to...or at least it feels that way.  Damn global warming!  ;-)

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Proof is in the numbers. In the last 50 years, BWI has received above normal snowfall in just 15 seasons. The last time BWI received above normal snowfall in consecutive seasons was 86-87/87-88.

The distribution of snowfall is anything but a Gaussian bell curve.  It's pretty darn skewed with the peak probably near median snowfall (several inches less than the mean) and then a long tail out to our blockbuster years.  I'm sure Rodney or Ian could probably plot such a chart up in short order.  

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New SREF/NAM now have my total QPF at .12 and .14 respectively.  HRRR is even worse.  So for those adament that the euro was way too dry and this was closer to the GFS/NAM then the euro, if the end result is .13 qpf, what was closer the euro spitting out about .09 for my area for days, or the GFS/NAM consistently putting out over .5 liquid in my area? 

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New SREF/NAM now have my total QPF at .12 and .14 respectively.  HRRR is even worse.  So for those adament that the euro was way too dry and this was closer to the GFS/NAM then the euro, if the end result is .13 qpf, what was closer the euro spitting out about .09 for my area for days, or the GFS/NAM consistently putting out over .5 liquid in my area? 

 

I was almost certain the NAM was going to win that battle. :lol:

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New SREF/NAM now have my total QPF at .12 and .14 respectively.  HRRR is even worse.  So for those adament that the euro was way too dry and this was closer to the GFS/NAM then the euro, if the end result is .13 qpf, what was closer the euro spitting out about .09 for my area for days, or the GFS/NAM consistently putting out over .5 liquid in my area? 

I think you are fighting a losing battle trying to convince some about this. :)

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New SREF/NAM now have my total QPF at .12 and .14 respectively.  HRRR is even worse.  So for those adament that the euro was way too dry and this was closer to the GFS/NAM then the euro, if the end result is .13 qpf, what was closer the euro spitting out about .09 for my area for days, or the GFS/NAM consistently putting out over .5 liquid in my area? 

 

The dry model always wins.

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I think you are fighting a losing battle trying to convince some about this. :)

 

He's omitting the parts about the euro having a  sheared out nothing underneath solution for days and poor handling @ 500 only to have it slowly catch on to the idea that a storm actually exists. Even as early as yesterday euro showed virtually no precip in the areas that are getting precip and never took the shield n of the mason dixon. If you're only using the model to compare and grade precip totals in your yard then yes the euro might win this one.  

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He's omitting the parts about the euro having a  sheared out nothing underneath solution for days and poor handling @ 500 only to have it slowly catch on to the idea that a storm actually exists. Even as early as yesterday euro showed virtually no precip in the areas that are getting precip and never took the shield n of the mason dixon. If you're only using the model to compare and grade precip totals in your yard then yes the euro might win this one.  

I think the effects on sensible weather is what I care about most of all, and with that the euro had a much better idea.  Maybe this has to do with how we interpret the model, but I do not just read the euro verbatim and run with it.  The euro has had the same storm track as the GFS/NAM for a while.  The difference was the strength and the precip in the cold sector.  The GFS/NAM were advertising a healthy band of precip while the euro was a ragged mess and had trace ammounts in most cases.  It appeared to be way south because it only had the warm sector precip to the southeast of the storm track.  What I was seeing, was actually the euro placing the "comma head" in the same place in general, only it was very weak.  There was one run recently where the euro did go way south and was just lost, but the other runs it was a good track, and it did have precip into PA, only very light ammounts that are barely noticeable if you are just glancing at the model output verbatim and making a forecast on that.  In the end the euro was a little low on precip.  A lot of places it was spitting out .03-.05 and its going to be closer to .1.  But if you are making a forecast for sensible weather...the euro would have advertised light rain/snow mix with no accumulation.  Guess what, that is what the area is going to get.  The GFS and NAM with its .5-.75 liquid ranges was advertising a much different idea, that would have been wrong if used to make a forecast.  The euro was not "right" neither was the GFS/NAM, but in terms of which gave a better idea of what the end result was going to be in terms of what observable weather will be on the ground...the euro wins.  THe end result right now looks a lot closer to how I pictured what the euro interpretation was hinting at, then what the GFS/NAM was trying to depict.  Again, maybe I interpret the models differently and that is leading to this disagreement.  I love a good intellectual dispute though. 

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I teach in inner city Baltimore, I must like those kinds of battles.  I also coach a policy debate team... so

Good Luck. I myself would be interested to see the verification scores after this is done. To me it seemed that it was pretty much a draw with both having strengths and weaknesses. No skin off my back either way though.

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Good Luck. I myself would be interested to see the verification scores after this is done. To me it seemed that it was pretty much a draw with both having strengths and weaknesses. No skin off my back either way though.

truth is probably somewhere in between our two stands, but I am just in the mood for a fight.

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