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PA road DAWG

December 14-17, 2018 | "Winter" Storm

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Ok  finally got the change over sleeting and snow now 37 deg 

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Meso disco for mixed precip.

Quote
Mesoscale Discussion 1713
< Previous MD
MD 1713 graphic

   Mesoscale Discussion 1713
   NWS Storm Prediction Center Norman OK
   0836 PM CST Sun Dec 16 2018

   Areas affected...Portions of New England and eastern New York

   Concerning...Winter mixed precipitation 

   Valid 170236Z - 170630Z

   SUMMARY...Winter mixed precipitation is expected to continue/develop
   across portions of New England and eastern New York overnight.
   Freezing rain, sleet, and snow are all possible across the area.

   DISCUSSION...A surface cyclone is centered south-southeast of Long
   Island with an associated upper-level trough located almost directly
   overhead. Forcing for ascent is spreading over much of New England
   and portions of New York where precipitation has continued for
   multiple hours. Surface temperatures are hovering near/above
   freezing across much of the interior of New England and New York.
   Radar imagery shows bright banding/melting layer at 3000-4500 ft.
   AGL across central New England. However, the melting layer is
   lowering with indications the warm nose is eroding aloft as cold air
   advection and precipitation cools this layer. Additionally, KENX is
   displaying characteristics of the melting layer lowering with
   sleet/snow becoming more likely at the surface and across the higher
   terrain with freezing rain also possible within the transition zone.
   Trends toward winter mixed precipitation developing/expanding across
   portions of New England are favorable overnight as the upper-level
   trough/surface low track east-northeast.

   ..Nauslar/Mosier.. 12/17/2018

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...GYX...BOX...BTV...ALY...

 

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1" total, just spitting a few flakes now.

A could narrow bands through Maine, but localized. You can see additional light radar bands converging from the west as the system finally phases.  Maybe it adds a bit more here, but it won't be much.

1371882336_GYX_loop(13).gif.92960e5f24e480df987da2b2829a85fe.gif

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Light coating here, just enough to make things look white for a brief moment in time again. MJ, you still have a snowpack there?

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13 minutes ago, telejunkie said:

Light coating here, just enough to make things look white for a brief moment in time again. MJ, you still have a snowpack there?

Like 4-6;, but it becomes patchy 5-10 miles towards the coast.

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A little bit more than expected here in SW Maine.  Almost 3 inches on the official deck railing measurement platform and snowing moderately right now.  There is good coating of sleet underneath the snow....sleeted for about 45 minutes last night around 9:00.  At least it looks pretty again....current temp standing at 31.

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well it changed over but ended up with nothing movin on

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Pudding and soup where my yard used to be.  The dogs are carrying enough mud in their paws to re-point the foundation, if I cared to.  

The ultra-wet summer, followed by the floods of September and October, followed by a more-normal November have left us with a water table that is the envy of California.  The trouble is, even dry days don't really dry anything out.  We're past that point of the year.  It's cold, now, and we are getting much less solar energy on the ground even on clear days.  That's what December does, right?

The water drains, slooooowly.  Very, very slowly.  If another water-event arrives before it drains, as is the norm in December, then the floods come.  Again.  

I have standing water all over my yard, and my creek is moving much faster than it normally would for a rain like this.  This was a "normal rain," but there is no more normal until the water table goes down a bit.  Any rain at all, these days, results in real issues.

Hey, it's better than the summer.  At least we don't have mosquitoes, right?  

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8 minutes ago, RobBucksPA said:

The water drains, slooooowly.  Very, very slowly.  If another water-event arrives before it drains, as is the norm in December, then the floods come.  Again.  

I have standing water all over my yard, and my creek is moving much faster than it normally would for a rain like this.  This was a "normal rain," but there is no more normal until the water table goes down a bit.  Any rain at all, these days, results in real issues.

Hey, it's better than the summer.  At least we don't have mosquitoes, right?  

We're seeing the effect of having the ground be frozen.  All the water is just sitting in places it never has before.  You really notice at night when the lights reflect through the woods all the "ponds" that are in my area.   Creek in front of the house has been over its banks for so long, I guess it just has new banks.  

I killed a mosquito in my basement Saturday, my wife killed one in the shower yesterday.  

 

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Persistent light snow actually added another 1.25"

2.25" total 

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Had a few bouts of white rain today, but nothing that lasted long enough to accumulate at all. Winds getting going though.

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It has been windy in my hometown during the day and night. And the winds are currently howling right now! I’m surprised that a wind advisory hasn’t been issued. This storm is automatically the best storm of this month so far only due to wind. 😂😂😂

Edited by SnowDude
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Wow, the winds are really ripping right now! Getting the "train" effect.

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Woke up to a dusting. 

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We got about 6 inches. That puts us at 47.3" for the season. And to think winter is just around the corner!

Odds of a white Christmas currently 100%. 

 

nsm_depth_2018121805_National.jpg

Edited by mainiac
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9 hours ago, mainiac said:

We got about 6 inches. That puts us at 47.3" for the season. And to think winter is just around the corner!

Odds of a white Christmas currently 100%. 

 

nsm_depth_2018121805_National.jpg

hopefully storm this weekend won't cause ice jam flooding for your neck...not sure it will be enough to break up rivers. Had some amazing ones last year

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16 hours ago, telejunkie said:

hopefully storm this weekend won't cause ice jam flooding for your neck...not sure it will be enough to break up rivers. Had some amazing ones last year

Thankfully, the big rivers this far north have significant ice buildup with December temperatures well below normal, so they'll most likely survive the rainy onslaught. 

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