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Cold Front, Wind and Snow I-95 Corridor Jan 29-31 2019


Wxmidatlantic

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Still oscillating between plain rain and sleet mixed with white missiles here, ahead of the cold front. Temp is dropping though, down a full degree over the last 45mins or so. Moderate snow reports about 5 miles west.

 

Front is approaching OKV/MRB based on velocity readings from LWX. So it’s a little ways away still, unless I’m reading too much into the near-surface flow. Winds are still SE here, but are N out there west of the BR (with stronger NW readings farther to the NW, out over the very high terrain).

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Can see a surge of NW winds approaching OKV on velocity..meanwhile light SE winds still ongoing here ahead of the front.

 

Convergence definitely increasing as this thing takes on a more negative tilt.

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Just had a burst of humongous snowflakes. Trying to flip over for good but not quite there yet.

 

You can peer up into the sky and see it’s filled with (what must be) gigantic snowflakes, just a few hundred feet off the ground. So the boundary layer is cooling..only a matter of time now.

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And just like that, we’ve flipped over, interestingly enough with a NW wind.

 

Still too warm for accumulation, but dynamic cooling is initiating. Currently 36.1/32.

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Coming down good now..solid SN with visibility down to about 1 mile. A dusting to a coating has accumulated on most surfaces except pavement.

 

34.1/31 as of 3:10pm

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Looks like the strongest banding is about to arrive here as we move past 330pm..

 

Sky is darkening/changing shade, wind picking up a little bit as snowfall rates begin to increase.

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Holy cow, it’s going bonkers. Under 1/4mi visibility and sticking to everything.

 

This band is legit.

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Closing in on an inch here. That was fast, considering we’re still above freezing and still had wet ground as recently as 3pm.

 

Down to 33.1/31 as of 4:13pm. Would love to drop a degree or two more and avoid that dryslot to the south, but alas..

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Finished with about 1.1” on the ground (with compaction).

 

Nice little event, solid burst at the end to make up for the warm/mixy start. Now attention turns to the Arctic front tomorrow.

 

Potential for heavy squalls and 50-60mph gusts right along the front.

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Finished with about 1.1” on the ground (with compaction).

Nice little event, solid burst at the end to make up for the warm/mixy start. Now attention turns to the Arctic front tomorrow.

Potential for heavy squalls and 50-60mph gusts right along the front.

tommore night thursday morning looks to be some pretty legit cold stuff here.
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Low was 14.5*F here this morning, now warming rapidly ahead of the Arctic front. Wind advisory starts at 9AM but big gusts probably arrive midday.

 

Up to 19.4/16.

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65mph gust @ Snowshoe, WV, with blizzard conditions ongoing and temperatures falling to 7*F already.

 

- 11*F expected there tonight.

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