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Dec 9th Winter Threat


ORH_wxman

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9LOVYDe.gif

 

That may be the most epic NFL highlight for a snow lover, haha.

 

Not sure if this is the thread for it, but it is the Dec 9th threat... with Fox saying 6-8" on the field, does anyone know what the most snow on a field during an NFL game is?  I'm sure there's some lake effect or mid-west blizzard with a foot or more, but just curious...

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That we're not warm enough aloft for FZRA. So it should be all IP/SN. I have no idea where the QPF came from though.

I protested about the column and FZDZ but I guess that fell on deaf ears.

Interesting, yeah not sure about magic QPF but certainly good to have your input.

Although you'd probably have been interrogated about the forecast if you didn't say so ahead of time. :lol:

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That we're not warm enough aloft for FZRA. So it should be all IP/SN. I have no idea where the QPF came from though.

 

I protested about the column and FZDZ but I guess that fell on deaf ears.

 

 

Here's BTV's map... they stated in a AFD earlier today (maybe the early morning one) that it wasn't warm enough aloft for FZRN (needed 2-3C for that).  I would take probably 1.5" off these totals if it were me personally, but BTV does a fantastic job forecasting IMO, so let it ride.

 

I don't think we see near 4" here though (3.9" in MVL) with this QPF and not favorable snow growth.  They do state on Facebook that they boosted totals along the Spine and east because of the upslope component with strong SE H85 flow.  Sounds like they think that area will be wetter than models show. 

 

 

1474560_576142462457659_2003884727_n.png

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Here's BTV's map... they stated in a AFD earlier today (maybe the early morning one) that it wasn't warm enough aloft for FZRN (needed 2-3C for that).  I would take probably 1.5" off these totals if it were me personally, but BTV does a fantastic job forecasting IMO, so let it ride.

 

I don't think we see near 4" here though (3.9" in MVL) with this QPF and not favorable snow growth.  They do state on Facebook that they boosted totals along the Spine and east because of the upslope component with strong SE H85 flow.  Sounds like they think that area will be wetter than models show.

 

There will some upslope component for sure. My problem is that I just don't see where we are generating a really solid snowflake in the column. I don't think 12 hours of snow grains is going to amount to much. And I agree that we don't have a mechanism for true FZRA. You would need an ice crystal to melt and freeze on contact. If you never have a crystal to start you won't get FZRA. Maybe collision/coalescence could get a shower going that would freeze on contact, but more than likely we have drizzle. 

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There will some upslope component for sure. My problem is that I just don't see where we are generating a really solid snowflake in the column. I don't think 12 hours of snow grains is going to amount to much. And I agree that we don't have a mechanism for true FZRA. You would need an ice crystal to melt and freeze on contact. If you never have a crystal to start you won't get FZRA. Maybe collision/coalescence could get a shower going that would freeze on contact, but more than likely we have drizzle. 

 

It'll be interesting, the advisory is for 3-5" of snow and sleet.  I am just more worried about the QPF much less the snow growth issue.

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