eduggs
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About eduggs
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Blowvember - and not named for wind potential
eduggs replied to Go Kart Mozart's topic in New England
It was elevation dependent in that area. 6"+ in all direction from Walt D, including east and south, above 1100ft. -
Based on the OKX PNS, it looks like those areas did pretty well, even below 800ft!! Good start to winter! ...Orange County... Port Jervis 12.8 in 0630 AM 11/22 COCORAHS 1 WNW Monroe 8.2 in 0700 AM 11/22 Trained Spotter Chester 8.2 in 0815 AM 11/22 Trained Spotter 5 N Port Jervis 7.4 in 0530 AM 11/22 Public Warwick 7.2 in 0700 AM 11/22 COCORAHS Warwick 3.9 W 7.0 in 0600 AM 11/22 COCORAHS 0.8 N Port Jervis 4.0 in 0700 AM 11/22 COOP
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Modeling was fairly accurate IMO and the weather gods delivered! Also good call by you if I remember correctly.
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Overall I thought guidance performed very well for this storm. The complex synoptics were well modeled by midrange guidance and the thermals were fairly accurately depicted by mesos and even midrange with hi-res thermals. Models correctly predicted the major snows in elevated parts of Sussex, the snow into lower Westchester, the approx. snow line at 700ft or so, and even flakes in the air for much of the region. When the model output shows a snow event, IMO it's a good idea to believe it... especially when you have inter-model and multi-model support. I know in previous decades it was unpopular to practice so-called modelology, but weather models have come a long way. Medium and especially short-range models are pretty accurate. Despite this event being well-advertised, it still seemed to sneak up on some people. Welcome to winter!
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Driving around NE Morris County... couple observations: Slushy accumulations began at about 600ft and rapidly increased above 1000ft. No acc. at 500ft Coating at 600ft 1" at 750ft 2" at 900ft 6" at 1100ft
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On radar it looks like heaviest bands will be shifting towards the NJ-NY border area into SENY over the next few hours. The SLP is pretty far east.
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At 8:30 in central Morris County near I-287 I observed first mixing with snow at about 500ft and 36F and first slight dusting at about 850ft and 34.5F. On the east side of the terrain fall line, it seems like the intensity isn't sufficient to dynamically cool the column enough yet to fully switch elevations below 1000ft to accumulating snow. But it's getting closer.
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Per radar reflectivity, it looks like snow is mixing in elevated Sussex and Warren and should be increasing over the next few hours.
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The HRRR keeps printing out good (wintry) runs for Orange county. The elevated western parts of the county are obviously in a good spot, but even the Rt 94 corridor looks like it could pick up a few inches. Maybe plowable in some spots. Elevated Putnam, Rockland, and even Westchester has a shot at some accumulation too if the meso models are to be believed. Hopefully at least flakes in the air for many on Friday!
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I'm thinking the towns on the NW side of the Hudson Highlands ridge do pretty well: Vernon, NJ, to Warwick, NY to Monroe, NY etc... There's an upslope-downslope component visible on the meso models favoring the NW terrain for highest QPF and lowest temps.
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This is one of those weird cases where mid elevations near places like New Milford, NJ or Chester, NY could get basically nothing or 6"... and it wouldn't be a surprise either way. The HDRPS is printing out well over an inch of precipitation after the column can support snow for much of Sussex, northern Passaic, and Orange counties. Even Rockland and western Putnam get in on the action. I don't particularly trust this model, but it's not entirely alone. Where does the banding set up tonight and does anything accumulate during the day on Friday under the ULL? My guess is Friday is mostly an elevation thing, but intense banding associated with a still deepening SLP tonight is the wild card. Satellite and radar look pretty good so far IMO.
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I think those places are in a great spot for this. The caveat for me is that this looks like a localized event as opposed to a widespread snowfall. Mesoscale banding and terrain effects will likely play a role. I wouldn't be too confident anywhere until later tonight as the radar presentation evolves.
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Seems like a good call. I worry a little about locking anything in these scenarios. The SLP and associated vorticity and precipitation shield is going to make a loop-de-loop of some sort with the radius of that loop dependent on how quickly the mid/ULL take on a negative tilt and cut off. Exactly where any stalled or retrograding banding sets up will determine who cashes in. My fear is that it pushes too far NW and then weakens by the time it rotates back in. Some ensemble members give almost nothing outside of PA and the Catskills. Others spread the wealth to Passaic, Putnam, Westchester etc...
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If it happens, it shouldn't be a surprise since even us amateurs have been talking about potential snow in that area for days. And multi-model guidance has been steadfastedly highlighting the potential. But it's been so long since we've had rain, much less snow, it will seem like a surprise no matter what.
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Overnight runs looked impressive for Sussex. Even into northern Morris and Orange. ECM, RGEM, GFS, HRDPS... Could be some surprised people up there if they wake up to saggy snow covered branches with some still leaf-covered trees. NWS Mt Holly is finally talking about the banding potential. If it sets up, someone is going to get pounded.
