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OBS and nowcast Thursday morning 2/18 - 11PM Friday 2/19/21


wdrag
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4 minutes ago, BxEngine said:

Can we all agree pre-brining roads is f*cking useless? Been snowing 10 damn minutes and heavily traveled roads are covered. 

Yes.  I don't get it.  Every storm I see the big ole brine truck go up and down and around street 4-5 times.  Does nothing.  

Even worse in my area is they've also pre-salted roads last few light events (didn't really do much to help) and now probably don't have enough salt left to treat roads if we get freezes next couple weeks or a storm or two in March.

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Just now, BxEngine said:

So the snow is floating on melted ice on the roads? Interesting. Lol

Yep pretty much. Similar to presalting but they use the brine instead. Slushy bottom layer with snow on top.. i dont drive or walk much on the roadways though to actually say how well it works.  But it must act like salt I would think..

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1 minute ago, SleetStormNJ said:

Yes.  I don't get it.  Every storm I see the big ole brine truck go up and down and around street 4-5 times.  Does nothing.  

Even worse in my area is they've also pre-salted roads last few light events (didn't really do much to help) and now probably don't have enough salt left to treat roads if we get freezes next couple weeks or a storm or two in March.

The small one lane service road along Riverside Drive was bare/blacktop... the main four lane road was snow-covered. :clap:

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9 minutes ago, BxEngine said:

Because parts of the lhv are already at an inch of snow, and we are clearly going to be at advisory level snows? 

The combination of an exit region of an upper jet and increased
thermal forcing will allow snow to overspread the rest of the
area from SW to NE today. Up to 2 inches of snow have already
fallen in some of the southern zones. Have increased snowfall
forecast slightly in these areas, and might need to increase
them further with the next update. 12z NAM QPF implies warning
criteria snowfall (average of 6 inches within a 12 hour period)
by late afternoon. Latest couple of HRRR runs brings QPF amounts
just shy of warning criteria for the same area with the axis of
heaviest QPF just offshore. This is shaping up to be a close
call, and complicating matters is that sleet is expected to mix
in for some southern zones by late afternoon. Have decided to
keep with an advisory for these areas at this point. At least
for the time being can message heavier snow bands with SPSs
before making any headline changes.
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