Tatamy
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Everything posted by Tatamy
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Winds have gone calm here with the passage of the showers. We gusted to over 30 mph earlier. Down to 60 from a high of 72 earlier.
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Places just to the north and west and southwest with a little elevation can definitely see a few inches especially where banding sets up. In the city I would agree with the white rain idea however the outer boroughs could see accumulations. With ocean temperatures in the low 40’s I would strongly agree that LI could see accumulations as well. As Walt said there will likely be minimal accumulation on paved surfaces.
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I put two bags of ice melt on my 1/2” of sleet with ice on the driveway. The precip is done, the temperature is up to 37, and my sleet and ice is all melted.
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0.5” sleet and 0.25” ice. Like most other places very icy here. 30/29
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For those going with the mesos look at the progression of the anticipated gradient on the RGEM during today's runs. Look at 6z, 12z and 18z. Interesting stuff.
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It's all about the depth of that warm nose that is progged to set up between 700mb to 800mb.
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Depending on your choice of model there is going to be a fairly significant gradient in snowfall amounts going from south to north. That gradient could set up anywhere on an west to east axis between I80 and I84.
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18z Euro with Kuchera
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18z Euro
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Do you what ratios they are using to calculate these amounts? These amounts seem high.
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I have found a report of 89 mph at a station on Block Island at about 5:40pm with the passage of the squall line. Other stations in the area peaked at about that time as well though none reached close to that level.
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Not sure if any one is paying attention however with the passage of the arctic front there are some very strong winds occurring along the barrier beaches. I am finding multiple reports of wind gusts between 50 and 60 mph both on WU and the Davis network along Fire Island and Gilgo Beach currently.
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I am posting the 18z GFS clown map results from the two different sites that we use. I think that this could lead to a useful discussion about why one of these might be better to use to use vs the other. I am not being critical in any way of either site, both are useful however one of them seems to do a better job in relating temps in the mid-levels to actual precip types and amounts. The major differences shown here are the snow amounts in the DC - Baltimore area. TT Pivotal
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Winding down here. This event did live up to its advance billing. 0.6” new with a maximum wind gust to 36 mph.
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I was at 40 before it started…
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Snow just getting started here.
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Skies getting ready to open up here.
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Whiteouts along I78 to the west of Allentown with this feature.
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Approaching snow squall
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This is my current sky condition with the snow squall warning. This will change soon.
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Mt Holly has just issued snow squall warnings for my area so now all the phones are going off… lol
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You can go to 511pa.com and go to the webcams in the Scranton area. Select I81 for the cameras. A lot of white outs on these cameras right now out there.
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It looks like you will end up with more snow from this morning’s activity vs this afternoon. The much advertised snow squall is continuing to the east and is moving across the I81 corridor in PA. The history of this feature is that it drops 0.2 to 0.4” in short order as shown on the HRRR. I just watched it pass one of the webcams along I80 just NW of Hazleton. Visibility drops quickly from 1/2 mile to about 1/16 mile and then back to 1/2 mile within just a few minutes. This is a quick hitter!
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WRT today’s snow showers/squalls there is only some light snow showers reaching the ground along I84 in northeastern PA with the first round. The activity seen on radar in the first band in central PA is mostly not reaching the ground in places to the south and west of the Scranton/Wilkes Barre area at this time.
