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Coastal Crusher Feb 9th 2017


WeatherFeen2000

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Blizzard Warning

URGENT - WINTER WEATHER MESSAGE
National Weather Service New York NY
317 PM EST Wed Feb 8 2017

...Powerful Winter Storm Late Tonight and Thursday...

NYZ078>081-090500-
/O.UPG.KOKX.WS.W.0002.170209T0500Z-170209T2300Z/
/O.NEW.KOKX.BZ.W.0001.170209T0800Z-170209T2300Z/
Northwestern Suffolk-Northeastern Suffolk-Southwestern Suffolk-
Southeastern Suffolk-
317 PM EST Wed Feb 8 2017

...BLIZZARD WARNING IN EFFECT FROM 3 AM TO 6 PM EST THURSDAY...

The National Weather Service in Upton has issued a Blizzard
Warning...which is in effect from 3 AM to 6 PM EST Thursday. The
Winter Storm Warning is no longer in effect.

* Snow Accumulations...10 to 14 inches...locally higher.

* Locations...Suffolk County.

* Hazard type...Heavy snow.

* Timing...Late tonight through Thursday.

* Impacts...Hazardous/dangerous travel due to snow covered roads
  and poor visibilities. Blowing and drifting snow is likely.
  Local power outages with downed trees and powerlines possible.

* Winds...North 20 to 30 mph with gusts up to 45 mph.

* Visibilities...one quarter mile or less at times.

* Temperatures...Falling into the 20s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions...making travel extremely dangerous. Do not travel. If
you must travel...have a winter survival kit with you. If you get
stranded...stay with your vehicle.

&&

$$
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2 minutes ago, donsutherland1 said:

The 4 km NAM has the heaviest snow totals somewhat to the south and east of the 12 km version. Both versions of the NAM are to the north and west of the RGEM. The differences likely have much to do where the models anticipate the banding will develop. At this time, I think a widespread 8"-14" forecast is probably reasonable without worrying too much about where the heaviest amounts will be located. It will be interesting to see where the 18z RGEM places the axis of heaviest snow.

The 4 km NAM through 27 hours (2/9 21z) is below (Kuchera Ratio), as the 12 km version was posted earlier in this thread.

NAM4km0208201718z.jpg

That's almost double the snow for NYC than the regular NAM. These bands are gonna play havoc with the models.

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