jm1220
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Everything posted by jm1220
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Interesting. I’ll have to see if I can drive down Rt 110 later and see if/where the snow totals dropped off.- 1,011 replies
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The early dryslot ruined things more than the warmth aloft did. It wasn’t overly strong, and the Nam actually overdid it a little. If the snow shield would have held and not chopped up after the first few hours, we all would have a few more inches and we’d be closer to Upton’s point/click yesterday afternoon. The chopped up precip also allowed the warm mid level air to take over sooner.
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
The 7” or so I have is what’s on a table top behind my house, so possibly could have been a little more which the sleet helped compact overnight, or inflated from blowing. I’ll go with what North Shore WX who does it properly reports lol. Light snow continuing.- 1,011 replies
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December 16 2020 CTP Snowstorm Disco and Obs
jm1220 replied to pasnownut's topic in Upstate New York/Pennsylvania
Very nice! Much bigger than any event I saw living there 2004-2009. Was hoping you guys could crack over 20” but still, looks like the best event since maybe 1994? -
December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Helps to be on the northern end of these events with that big deformation high ratio band. I’m sure there’s over 2” liquid there but it was probably 15-1 ratio for much of it. Incredible.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Looks like a small final light snow burst forming over Nassau. Hopefully that can pivot over and drop a little additional accum.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Light snow here currently, good bit of blowing around. Looks like I had about 2” in this back end stuff so far, definite sleet/ice layer in there. Altogether I think I have 7” or so but hard to tell for sure with the blowing.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Pretty clear the high end totals won't work out unless there's some miracle coming with the stuff in PA. The dryslot chopping up the precip after the initial surge is what killed things most of all. The snow/mix line was essentially stalled under the steady snow and then surged in once the lift/dynamics moved on. I'd be at 8-10" easy if not for that. My prediction of 6-9" (probably more like 6-7") for my area likely does it. Very nice event anyway. Ignore a lousy tracking and strong 700 low at your peril! Lol- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Sleet here. Fights back and forth with snow once in a while.- 1,011 replies
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50/50 snow and sleet. Fighting back and forth.
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Mainly pinging with some snow mixed in. Winds continue to pick up.- 1,011 replies
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I live on a curving road that goes up and downhill. Haven't see it plowed yet.
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Air being too cold where the flakes form make them like needles and poor/average ratios like 10-1 or a bit lower. I remember numerous snow events in central PA where we had this tiny sand snow that took forever to add up. The best flakes that pile up fast are dendrites that form in -12 to -18C air so for good ratios you look for strong lift and moisture in that layer. The big flakes here are very likely due to them partly melting and aggregating on the way down.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Down to pixie dust light snow/flurries.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Probably. Heavier rates overcome the warm air aloft.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Nice-2" in one hour, 5" total.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Heavy precip burst making headway towards LI from the Atlantic. We'll see what that consists of up here.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Models kind of suggested that happening. The heavier patches of precip can hopefully overcome the warm layer aloft.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
The breaks in the precip are allowing warm mid level air to take over, lift isn't as strong in these broken precip patches, etc. Where the precip can come down harder it seems to change back to snow. Dual pol still looks splotchy in places.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Central Park 2.6" only at 7pm? They've had 0.6" liquid already so they must be near 6"? Crazy, who knows what the zookeeper comes up with.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Huge flakes, measured on average a little over 4"-4.5". Wind picking up, all snow.- 1,011 replies
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December 16 2020 CTP Snowstorm Disco and Obs
jm1220 replied to pasnownut's topic in Upstate New York/Pennsylvania
Must be coming down insanely hard at your place. Clearfield County lit up in yellow!! -
December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Another burst here, huge flakes.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
No sleet here, just tiny flakes in these breaks.- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
jm1220 replied to wdrag's topic in New York City Metro
Dual pol mix line S of Long Island looks to be making more headway. The broken precip shield might be helping warm mid level air make headway.- 1,011 replies
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