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Another in a series of clippers 1/21-1/22(Rib says call this one a storm :p)


Mitchell Gaines

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For once, no gnashing of teeth over boundary layers, the polar vortex, or living in the SE of Philly, where we might see flakes that my northern brothers don't see.

 

One thing is clear, the difference of an inch or two is no difference maker if the winds can verify over three hours at 40MPH+. I'm sure coastal locations have a chance, but there is little difference in your in teens temperatures, heavy snow AND 30 MPH winds.

 

I knew this storm would verify since early Sunday, that quiet reassurance that YES, this storm is coming our way. Good luck to the Mt. Holly guys keeping us up to date.

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For once, no gnashing of teeth over boundary layers, the polar vortex, or living in the SE of Philly, where we might see flakes that my northern brothers don't see.

One thing is clear, the difference of an inch or two is no difference maker if the winds can verify over three hours at 40MPH+. I'm sure coastal locations have a chance, but there is little difference in your in teens temperatures, heavy snow AND 30 MPH winds.

I knew this storm would verify since early Sunday, that quiet reassurance that YES, this storm is coming our way. Good luck to the Mt. Holly guys keeping us up to date.

well done...link us up to your thoughts Sunday morning...
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It has probably been asked a million times but what ratios do they account for and is it user or computer input?

Sent from my iPad HD

 

The SREF plumes have been averaging 20:1 ratios, which in my humble opinion is highly unrealistic.  See Tony's post about snow ratios from the early January storm. Everyone leading up to that was like, "OMG, we could have 15:1 or even 20:1 ratios".  Ratios were more like 12:1 or 13:1.

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It has probably been asked a million times but what ratios do they account for and is it user or computer input?

Sent from my iPad HD

The SREF plumes have been averaging 20:1 ratios, which in my humble opinion is highly unrealistic. See Tony's post about snow ratios from the early January storm. Everyone leading up to that was like, "OMG, we could have 15:1 or even 20:1 ratios". Ratios were more like 12:1 or 13:1.

Thanks for the reply, that makes a little more sense for the numbers it is spitting out. I have read his thread as well as his posts during that storm, good reading and extremely relevant.

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The SREF plumes have been averaging 20:1 ratios, which in my humble opinion is highly unrealistic.  See Tony's post about snow ratios from the early January storm. Everyone leading up to that was like, "OMG, we could have 15:1 or even 20:1 ratios".  Ratios were more like 12:1 or 13:1.

agree with you for the most part, although i do think ratios will end up being slightly better than the post-new year's storm.   we aren't seeing 20-1 for  any prolonged period of time, though.

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While discussing this system with a colleague, one point that came up was that as people continue to rely on the 'built in ratio' clown maps/snow maps/whatever you feel like calling them, you see an extra 2-3" popping up in places. 

 

Often that's because of .05-.08QPF that showed up over the course of hours with whatever ratios they've factored in.

 

That's very, very, very LIGHT snow. Especially over time. We all know that little touch of snow may/may not materialize. Count the bulk of the precip and factor in your theoretical ratios.

 

I'm not saying ratios won't be good, heck even great - Just bear in mind that this may result in a sharper cutoff than we realize.

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agree with you for the most part, although i do think ratios will end up being slightly better than the post-new year's storm.   we aren't seeing 20-1 for  any prolonged period of time, though.

Yeah I think so too, but 20:1 is pretty far fetched for this area.  Not that it's never happened, just that it really requires the most perfect set-up.  Realistically, 15:1 is what you should count on.

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