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Posts posted by Tatamy
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19 minutes ago, LibertyBell said:
sunset is in 5 hours though
How much snow did you get at your place in the Poconos?
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41 minutes ago, sussexcountyobs said:
Just measured 7 here. Temp is 27.7 with steady moderate snow falling.
And you were worried about getting snow yesterday up there! Models hit your area fairly well and they seem to be verifying.
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Light flurries here. 33.5
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1 minute ago, sussexcountyobs said:
The light rain that has been falling, is changing to wet snow. 34.4°
Wet snow is also falling in the higher elevations of the Poconos above about 1100’.
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1 minute ago, MJO812 said:
I hope this storm busts high
There’s a lot of reasons to sell it.
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1 minute ago, Stormlover74 said:
Morris needs to be split up. No way most of the county gets near warning criteria
Morris County? How about Warren County? That’s another one. I think this reflects the difficulty inherent in the technology they use in terms of issuing a warning for part of the County. The idea is for the user to look at location specific forecasts which do account for elevation and how that impacts local snow amounts.
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22 minutes ago, sussexcountyobs said:
Area Forecast Discussion National Weather Service Mount Holly NJ 945 AM EDT Mon Mar 13 2023 .SYNOPSIS... A complex coastal storm will affect the area today through Tuesday night. High pressure then builds into the region Wednesday through Thursday. A cold front approaches on Friday and passes through on Saturday. High pressure returns on Sunday. && .NEAR TERM /UNTIL 7 PM THIS EVENING/... Surface low pressure off the North carolina coast this morning will slowly deepen while moving N/NE today. Rains associated with it have already overspread most of the CWA with the exception being Berks county and wrn Chester county PA. Adjustments to pops and wx have been performed for the mid- morning update. For the southern Poconos, temperatures will be colder with (near freezing this morning). These temperatures will be cold enough for snow at the onset. The highest elevations will likely receive 1-4 inches of snow by midday Monday. By this point, temps will start creeping up into the mid 30s as easterly flow brings in warmer air, and with the coverage of advisory level snow expected to be confined to the highest elevations, continued with the decision to not issue an advisory for this early portion of the event. && .SHORT TERM /7 PM THIS EVENING THROUGH WEDNESDAY NIGHT/... A strong area of low pressure will be east of the Virginia/North Carolina border this evening, as a secondary low lifts along the New Jersey shore just offshore, and this low will lift towards western Long Island by daybreak Tuesday. Most of the region will be in the warm sector for most of the rain for most of the night, though temperatures in the southern Poconos, especially in the higher elevations of Monroe county, will be cold enough to support all snow. With low pressure beginning to take on a more northeasterly track as it lifts towards western Long Island, cold air advection will develop as winds shift to the north. The rain/snow line will then spread south through the Lehigh Valley and most of northern New Jersey, mainly north of the I-78 corridor, and accumulating snow will develop during this time. Snow then continues to spread south Tuesday morning. The main question is how far south snow will get. Think there may be some light accumulating snow as far south as the Philadelphia metro area and into southern New Jersey, but really not expecting much more than an inch or so from around I-195 south. The primary low over the western Atlantic will lift towards eastern New England Tuesday morning, and then this low will merge with the aforementioned secondary low. Precip continues to wrap around this system into the southern Poconos and northern New Jersey into Tuesday afternoon before ending Tuesday evening. Strong shortwave energy will pass through the region Tuesday night, keeping light accumulating snow, mainly over the northern zones. In terms of snow totals, generally expecting 1 to 2 feet of snow across Carbon, Monroe, and Sussex (NJ) counties, though the highest snow amounts will be in the higher elevations, and most areas will pick up about 1 foot or so from tonight through Tuesday. From 6 to 10 inches of snow is possible down to the I-78 corridor, mainly from early Tuesday morning through Tuesday. Will go ahead and convert the Winter Storm Watch to a Winter Storm Warning for Carbon, Monroe, and Sussex (NJ) counties, and will also go ahead and add Warren and Morris counties, as the heavier bands of accumulating snow look to spread a bit farther south. The heaviest snow in Morris county will be in the western half of the county, and snow amounts may be minimal across the eastern half of Morris county. For now, do not think Winter Weather Advisories are needed elsewhere. A tight pressure gradient develops over the area between the low and high pressure building in from the west on Tuesday and Tuesday night. However, latest runs of the models seem to have the low a touch farther east, so the gradient is not quite as strong as it looked in prior runs. As a result, expecting northwest winds 20 to 30 mph with 35 to 45 mph gusts, which are just below Wind Advisory criteria. Although a Wind Advisory may end up being needed for the coastal strips, will hold off one one with this package.
This is their latest snow map. I am not so sure about snow amounts of 6-10” as far south as I-78 (I am assuming that refers to places west of I287). That might be a stretch. In any case the map does do a good job of matching elevated areas to increased snow amounts.
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3 minutes ago, NJwx85 said:
GFS has a crazy snow gradient over Rockland and Westchester.
Could be 8"+ in places like Tompkins Cove and Yorktown Heights while Nyack and White Plains get under an inch.
Is there a big difference in elevation there?
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34 minutes ago, sussexcountyobs said:
We've had light snow all morning that hasn't stuck since the sun came up. Now as that precip move north towards me, it has changed to rain. NWS still sticking with Warning here for 6-12" with higher amounts in higher elevations. After reading all these comments, I'm confused? Don't know what to expect. You think my elevation will save the day here?
If you see significant snow it will be overnight and into tomorrow. The precip today in NJ was modeled as being rain which is what you are seeing. The place to be is where the banding sets up. We’ll have a clearer idea on that later. The thinking has been and continues to be that will be at places along and north of I80/I287.
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3 minutes ago, WarrenCtyWx said:
Same for me in northern Warren County but the warning is for 6-8 inches.
Going to be a crazy gradient by you with this event. Do you know what your elevation is?
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5 minutes ago, jm1220 said:
New Euro run puts the low over central CT so maybe spoke too soon about Boston getting crushed.
Have to admit, this winter has been a total fail there too.
This one will go down as a prototypical elevation event. Places like Boston and the CT River Valley will get much less than surrounding higher terrain. In the Boston area the place to be will be north and west of 128. Like you said coastal areas don’t look too good with this event.
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1 hour ago, LVwhiteout said:
Walt GM. What would you think the final verdict is for the Allentown, pa, Lehigh Valley area. Seems we are stuck in no mans land
Depends on where the IVT sets up shop. Most models have the heavier precip with it falling as snow in the Poconos and Catskills. For the LV it depends upon precip rates and amounts. As you said we are in a no man’s land being too far west to see much from the synoptic precip from SLP over the Atlantic and too far south and too low in elevation to see much snow from the IVT.
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Looks like the nascent stage of the IVT is setting up across western NJ and SE PA. Light rain and a few melting snowflakes falling here. 34.5
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Light drizzle 35.6
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22 minutes ago, Picard said:
I'm under a WSW for 6-12".
Meanwhile, Mount Arlington, in Morris County, probably 7-8 miles away as the crow flies, has no advisory of any sort up yet.
Interesting setup. Looks like I'm close to either a couple of inches or many times that, or something in between. This will be fun to nowcast.
It’s looking like there will be a sharp gradient from south to north with snow amounts. It looks this will be approximately from Routes 46 and 10 and 287 and amounts will increase quickly with elevation as you go north from there. The snow will mainly fall Monday night into Tuesday in those areas.
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19 minutes ago, lee59 said:
Snow has broken out near Dulles airport, which is about 20 miles west of D.C.
There is also light snow coming down in southern PA down near the MD border.
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8 minutes ago, RU848789 said:
Just posted this elsewhere as a reality check, but damn if this verifies or even close to it, it makes our winter, given what we've gotten so far. The modeling gods wouldn't take this away from us now, would they? :>)
This is not a forecast - it's just one model run, but it's a doozy...
We've officially been NAM-ed, as the 12Z NAM which just came out shows the potential of this highly complex, very powerful nor'easter. This snowfall map is crazy and the snow falls after almost everyone gets an inch of rain on Monday (the transition to snow is by about 1-3 am Tuesday for most and is over by late Tuesday night). This kind of possibility is why so many have been following this so closely. We could still mostly whiff and get mostly rain for CNJ/NENJ/NYC and even much of NNJ/EPA, but this model run shows what is possible in this kind of explosive setup. Also, we're not 5 days out, we're 24-30 hours from the start of the event late Monday morning. Reminds me of the NAM for Jan 2016's blizzard, where it was the first model to sniff out the huge potential (about 48 hrs before the event, iirc). Stay tuned folks.Good analysis however it is important to note the difference in the synoptics between this potential event and Jan 2016. With this one it will be highly dependent on exactly where the IVT sets up and also elevation. Jan 2016 was a much different setup.
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16 minutes ago, LibertyBell said:
forecast for my area south of I-80 has been upped to 8-12 now and a winter storm warning, it is the furthest south and furthest west county under a winter storm warning
Are you ready for another 8” + up there? The Poconos seem to be the big winner recently.
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2 minutes ago, snowman19 said:
The Euro is going to be dead wrong IMO. That inverted trough feature is BSIt’s going to be an interesting few days while we find out who will be dead wrong.
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March 13-14th Nor'easter Threat
in New York City Metro
Posted
Rates have picked up out here too. Visibility at 1 mile with a temp of 32.0