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


wdrag
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06z nam didn't have a flake till 13z In the areas getting hit hard right now . This tells me the warm layer will come in faster due to stronger warm advection. Also expect heavier totals by 17z and southern areas of NYC will see totals of 5 to 6 inches b4 sleet at 12pm.

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45 minutes ago, EpicHECS said:

Goshen. Roads are covered but I haven't seen a flake yet and I was only asleep for a couple of hours so...idk. 

Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service New York NY
346 AM EST Thu Feb 18 2021

CTZ005-NJZ002-103-NYZ067>070-182100-
/O.CON.KOKX.WW.Y.0009.210218T0900Z-210220T0000Z/
Northern Fairfield-Western Passaic-Western Bergen-Orange-Putnam-
Rockland-Northern Westchester-
346 AM EST Thu Feb 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
FRIDAY...

* WHAT...Snow expected. Snowfall accumulations of 2 to 4 inches
  are expected today, with total snowfall accumulations of 4 to 7
  inches by the end of the event on Friday.

* WHERE...Portions of northeast New Jersey, southern Connecticut
  and southeast New York.

* WHEN...Until 7 PM EST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

Check local Department of Transportation information services for
the latest road conditions.

&&

$$

Had about 0.6” at 5am when I left for work. I’m just west of Middletown 

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17 minutes ago, justinj said:

Is it me or does the heavy snow just south of LI look like it’s retreating 

There doesn't seem to be much if any northward movement of the northern edge past around I80 in NJ straight across the TZ into lower Westchester. 

Does the heavier stuff abate by the time it does spread further north?

 

image.png.b175b7070adcb02d3cb95990dbf09e95.png

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42 minutes ago, RU848789 said:

Snow just started here in Metuchen around 6:40 am with a dusting on the ground already - looks like pixie dust out there. 27F. Lots of reports of people in the Philly area with 2" already, but I hear there's sleet in areas like Glassboro - don't want to see sleet...

Started snowing lightly in Metuchen around 6:40 am and picked up around 7:00 am and we have 1/2" OTG as of 7:30 am.  Moderate snow - would like to get into some of that heavier stuff.  Temp really dropped from 27 to 23F with the snow sublimation cooling the column.  

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8 minutes ago, jr461 said:

There doesn't seem to be much if any northward movement of the northern edge past around I80 in NJ straight across the TZ into lower Westchester. 

Does the heavier stuff abate by the time it does spread further north?

 

image.png.b175b7070adcb02d3cb95990dbf09e95.png

The snow is headed ENE now more than northerly which is what a few of the models predicted. I think it comes north but it may weaken as it does so. 

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