December 1st-2nd Winter Storm Observations

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Post by Frank_Wx on Sun Dec 01, 2019 9:58 am

Final call snow map - includes today's snowfall as well

December 1st-2nd Winter Storm Observations  December-1-2nd-call

Look for light to moderate snow/sleet/freezing rain to begin between 11am-1pm today from southwest to northeast. From CNJ to NE NJ and NYC, expect the wintry precip to changeover to rain around 3-4pm, maybe a little earlier. Areas in a mix (N&W of NYC) may see minor snow accumulations, but for the most part, will be in a mix with dangerous icing developing this evening. Please avoid roads if possible.

The summary for today is little to no snow accumulations and if they do happen it will be N&W of NYC, maybe 1-3".

The overnight hours things get interesting. The secondary low is poised to develop off the coast of NJ but staying very close to the coast, well inside the 40/70 BM. CNJ, NYC and LI could be in a dry slot overnight into the morning hours with either light rain or no precip falling. N&W will continue seeing a mix - even into the overnight hours - but will notice it slowly changing to all snow by the morning. This is where the secondary low takes hold and has snow falling over the area almost all day. Mix/rain line will gradually shifts south-southeast throughout the day. For NYC, that changeover may not happen until 4-5pm. Any precip before then should be mainly rain, which is why accumulations for immediate NYC are cut down. Mid-level centers are on top of us during the day, so 850mb temps are mild stretching from NJ shore to LI into CT.

The CCB that develops - it will develop - will drop additional snowfall over a localized region. Where I have the yellow circle there is the possibility of additional snow, maybe as much as 6" in some spots. Worse conditions will be from 4pm-12am with moderate to heavy snow falling.

Snow will come to an end between 4-5am on Tuesday.

Have fun tracking everyone!!

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Post by jmanley32 on Sun Dec 01, 2019 10:15 am

4 to 8?! Sign me up nws saying 2 to 4. Do you realize you included nyc in the 4 to 8? Did you mean to do so? If that circle area inches a few miles west another 6 inches possible would be incredible but not counting on it. Why is nws so non interested and has wwa for us from beginning to end. Do you think possible southern Westchester gets a wsw? 4 to 8 is wsw criteria I believe. As usual no prep going on. I have haunting memories of last year.
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Post by Vinnydula on Sun Dec 01, 2019 10:17 am

Raining 28
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Post by aiannone on Sun Dec 01, 2019 10:20 am

Light freezing rain/sleet starting here on LI. Temp 32.1
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Post by docstox12 on Sun Dec 01, 2019 10:34 am

21 degrees light sleet.Looks like we go right to the mix, no snow today.
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Post by aiannone on Sun Dec 01, 2019 10:36 am

Impressive cold pocket
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Post by Dunnzoo on Sun Dec 01, 2019 10:41 am

Light sleet, 29.5°

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Snowfall winter of 2019-2020      4.5"

Snowfall winter of 2018-2019     25.1"
Snowfall winter of 2017-2018     51.9"
Snowfall winter of 2016-2017     45.6"
Snowfall winter of 2015-2016     29.5"
Snowfall winter of 2014-2015     50.55"
Snowfall winter of 2013-2014     66.5"
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Post by dkodgis on Sun Dec 01, 2019 10:43 am

Tiny little styrofoam-looking beads falling and bouncing off the ground, and skating. Very slippery out with just that powdered sugar look on the ground. Seven degrees away from today's forecasted high of 31. The precipitation is varying in intensity, coming and going.
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Post by jmanley32 on Sun Dec 01, 2019 10:48 am

Headed back from eastern CT nothing over here obviously yet report from yonkers is nothing just cold.
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Post by Radz on Sun Dec 01, 2019 10:53 am

Light sleet and freezing rain 29°
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Post by Zhukov1945 on Sun Dec 01, 2019 10:54 am


Temperature actually falling now in Clinton - light freezing rain
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Post by 1190ftalt on Sun Dec 01, 2019 10:56 am

24 degrees in Stillwater NJ at 1190 ft altitude,[im try g]https://i.servimg.com/u/f68/18/88/63/92/4f4a9a10.jpg[/img]
December 1st-2nd Winter Storm Observations  94545c10
sleeting and raining EVERYTHING HIT GROUND FREEZES. Very slick ! December 1st-2nd Winter Storm Observations  Bf523b10
Snow plow coming by and putting down salt, this is going to get interesting
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Post by Grselig on Sun Dec 01, 2019 10:58 am

27° in Wayne. No current precipitation, but flurries fifteen minutes ago
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Post by jmanley32 on Sun Dec 01, 2019 10:59 am

Ice in yonkers the San Francisco of ny it's not good if we get any ice look up yonkers cars ice on YouTube. Lots crazy videos.
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Post by dkodgis on Sun Dec 01, 2019 11:07 am

I am surprised that the temp dropped three degrees in 20 min. Now 21

The sleet has effectively made driving a no-go. So little and just so slippery out
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Post by aiannone on Sun Dec 01, 2019 11:09 am

dkodgis wrote:I am surprised that the temp dropped three degrees in 20 min. Now 21

The sleet has effectively made driving a no-go.  So little and just so slippery out

Precip running into very dry air, cooling the temps
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Post by jmanley32 on Sun Dec 01, 2019 11:12 am

I'm surprised at 21 degrees it's sleet normally would be snow.
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Post by hyde345 on Sun Dec 01, 2019 11:12 am

23 and mostly cloudy in Hyde Park. Nothing yet.
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Post by algae888 on Sun Dec 01, 2019 11:13 am

Just some on and off light sleet 28 degrees I think we're going to have to wait for the better lift to come in around noon time which could change precipitation over to snow for a while but definitely looks I icy here
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Post by weatherwatchermom on Sun Dec 01, 2019 11:23 am

light rain and 33*
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Post by heehaw453 on Sun Dec 01, 2019 11:34 am

29 degree mix of freezing rain and sleet.  Pockets of warm air between 1000 - 1500 feet.  

Below the purple line i don't expect temperatures to go above freezing for several hours. Be very careful of the ice!

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Post by CPcantmeasuresnow on Sun Dec 01, 2019 11:36 am

23.5 and light sleet.

What a bummer.
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Post by Vinnydula on Sun Dec 01, 2019 11:36 am

Jman just rain here at 30
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Post by Vinnydula on Sun Dec 01, 2019 11:36 am

When is the change over to snow happing?
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Post by heehaw453 on Sun Dec 01, 2019 11:39 am

HRDPS (short range Meso model) is showing a prolonged snow event with lots of banding NW of 95. If the location of the low is far inside the BM as much as it depicts that makes sense.




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