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Sub 1000MB sfc low and associated significant hazards Nov 30-Dec 1, 2020


wdrag
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16 minutes ago, Tatamy said:

If you look at the mesoscale models it becomes clearer.  The winds mix down more effectively near the coast due to the lack of obstructions including hills, mountains, trees, structures, etc. Where we are in eastern PA there are landmass related obstructions to our south which impede the ability of the atmosphere to mix down the stronger winds from aloft.  East of here when you look at a map showing where NYC/LI/coastal NJ are situated there is mostly open ocean or low lying coastal areas to their south.  The result is the atmosphere can more effectively mix down those stronger winds from aloft.  If you want to experience stronger winds out here you need elevation.

But if you go back to the November 15 event, that one had strong winds everywhere, did they come from a different direction?

 

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Good Tuesday morning all,  I'll add a little more wrap for D1 of the two day topic around 1245PM? Just for the record: aside from the modest # of power outages in NJ/PA yesterday, minor in NYS, but more significant newd thru CT, higher still MA and 100,000+ in Maine right now,  also now up to about 29,000 power outages in OH (minor on the grid) but still significant---out there due to wet snow.  I don't know full scope of amounts as of this writing, but has to be 4-* wet in some parts of northern-western OH. Our part of Wantage NJ, D1 only,  was 2.35". 

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Hello again... as of around 9AM... here are some numbers.

Here's a snowfall map for Ohio this morning via CoCoRAHS, and power outages now up to 55,000 meters as wet snow accumulates ne OHIO above 4".  

 

And then rainfall via CoCoRAHS and NYS mesonet, general 1-3" with a number of 3-3.5" in nw NJ and interior se NYS.  

 

This will have been a fairly large impact storm for the coastal ne USA, and northern Ohio. 

Screen Shot 2020-12-01 at 9.25.00 AM.png

Screen Shot 2020-12-01 at 9.25.57 AM.png

Screen_Shot_2020-12-01_at_9_21.52_AM.png

Screen_Shot_2020-12-01_at_9_22.52_AM.png

Screen Shot 2020-12-01 at 9.17.50 AM.png

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fwiw: northern and eastern OH still 60,000 meters without power, equivalent to about 150,000 people..most of it near and east of CLE where 6-12" of snow has fallen and they continuegetting hit pretty hard with another 6+ on the way some of that area.  Wont surprise ant near 20" east of CLE high terrain. Bummer for power out and  30F air temp. 

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1 hour ago, dWave said:

Verrazano Bridge..

 

Thank you, DW, I passed this on to a frequent bridge crosser and he said it sounded like Godzilla was about to show. I replied that he did, read the price of the toll next to the name of our beloved Mayor, turned east and swam like hell. As always ....

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