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February mid to long range threats discussion


Ji

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Given that Boston went from nothing to a top 5 storm within about 60 hours notice on the Euro over the weekend, I would say that is the focus for damn sure.

We know less about what to expect right now than we did 24 hours ago. If it ends up a simple 2-4 overrunning type event I would be thrilled. Euro was really close to that. Now the the pv seems to want to wobble around nearby for a while and there would probably be an active ns of weak vorts in a pattern like that. I like cold snow.

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Given that Boston went from nothing to a top 5 storm with about 60 hours notice on the Euro over the weekend, I would say that is the focus for damn sure.

Related to this post but not necessarily the thread, did anyone check Boston's qpf for their 24" of snow? It was only a hair over 1", so they did it on rates. It was in the mid-teens most of the time, so that makes sense.

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Related to this post but not necessarily the thread, did anyone check Boston's qpf for their 24" of snow? It was only a hair over 1", so they did it on rates. It was in the mid-teens most of the time, so that makes sense.

I haven't looked or across the region but has to be erroneosly low even so.
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Related to this post but not necessarily the thread, did anyone check Boston's qpf for their 24" of snow? It was only a hair over 1", so they did it on rates. It was in the mid-teens most of the time, so that makes sense.

 

I was in Mainsfield MA for the storm (couple burroughs east of RI)...it was the same where I was. I never got into truly heavy blinding snow. The snow growth was terrible. It just snowed forever & was cold. It was like sand falling from the sky.The winds were sweet, but honestly. I enjoyed my NEMO road trip a helluva lot more.

 

One of my  favorite winter storm of my life was January 26-27 2011. Got like 10" in 3.5 hours. I'll take heavy snow over sand snow that falls for a day 1/2. 

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Related to this post but not necessarily the thread, did anyone check Boston's qpf for their 24" of snow? It was only a hair over 1", so they did it on rates. It was in the mid-teens most of the time, so that makes sense.

 

Where did you find the qpf numbers?  Wouldn't those be some incredibly high ratios?

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   ASOS has a well-known bias of reporting precip amounts in winter storms that are far too low.   It's something to do with the sensors not properly melting the liquid or such.

 

    Radar estimates from the BOS area were in the 1.5-2" range.   Those are far from perfect too but are probably closer to reality in this case.

 

 

Related to this post but not necessarily the thread, did anyone check Boston's qpf for their 24" of snow? It was only a hair over 1", so they did it on rates. It was in the mid-teens most of the time, so that makes sense.

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12z GFS ensemble mostly out to sea or rain for Feb 2.

 

i1jXuFG.png

 

12z CMC ensemble still has a lot of coastal tracks, more tightly clustered than the 12z.  The op continues to be on the western edge of the spread.  There are still some good hits in there, and there is also still a lot of rain. 

 

zriQiWS.png

 

CMC says that if anything happens around Feb 5, it's probably rain.  GEFS says there's a better chance of snow.

 

 

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   ASOS has a well-known bias of reporting precip amounts in winter storms that are far too low.   It's something to do with the sensors not properly melting the liquid or such.

 

    Radar estimates from the BOS area were in the 1.5-2" range.   Those are far from perfect too but are probably closer to reality in this case.

wind and powder snow can't help much either. remember DCA had a silly 1.5" for Snowmageddon when it was surrounded by reports with like 1" more. no doubt there was some ratio help but you don't get 2-3' totals off a 1-1.5" nor'easter. 

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At least NAM extrapolation, no matter how terrible, is on topic. I wanna hear more about the quality of the snow crystals in Boston anyway.

:rolleyes:

 

blame mitch since he only knows how to post in one thread at a time. 

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:rolleyes:

 

blame mitch since he only knows how to post in one thread at a time. 

I'm working. Do you expect me to spend more than a couple moments on this?   lol

and I looked at BOX's climo info to get the #; maybe it's too preliminary, but they got the snowfall number correct

anyway, sub-thread closed!

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