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NYC Area February 1st-2nd OBS and Discussion Continued...


Rib

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Colder air is moving south behind the secondary low. The push of cold air is mainly being felt over the eastern 2/3 of New England and down into Suffolk County LI, and not further west. Islip, Bridgeport and New Haven, CT all dropped 2 degrees in the last 2 hours. (New Haven is down to 30F as of 3PM). Upton is down to 32.5F now.

You mention "not much wind", but New Haven has a north wind at 12 kt. Also, a buoy in eastern LI Sound has a NNE wind at 12 kt gusting to 16 kt. That buoy also has seen temps drop 4 degrees in the past 4 hours, and 1 degree in the past 15 minutes, and is now at 30.9F. Those winds are clearly advecting colder air southward, even if the winds over LI are weaker.

http://www.ndbc.noaa...p?station=44039

I agree that the stations showing a temp. below 32F probably have a cold bias, but most stations in Suffolk County and coastal southern CT have seen temps drop steadily over the past few hours.

I was referring to earlier in the day when this was not the case. Colder air is definitely seeping back over the island now. There are a few wunderground stations that are are quite inaccurate and this morning they stood out even more than usual.

Earlier when it was above freezing on the CT coast and here...and low 40s not far to the east of here, a few stations in between with sub freezing reports stood out like sore thumbs. At that time, I didn't see how that was possible...if they were even at freezing I would have had my doubts, but below freezing at that time...no way. I can imagine water from melting ice pouring out of the trees while those sensors read comfortably below freezing.

There are more than a few stations around that are clearly biased high as well. I'm just on a mission this week to convince people to regard those readings with caution. One of my sensors reads 29.3 at the freezing point. I know this is wrong and if I see 29.3, I assume its 32. My other sensor reads 33.5 at the freezing point. I think most people just take these things at face value plus there are dozens of posters on this board who report temps like that to the rest of us at face value. I'm all for a little education so that we can get better data.

On a side note, thats why I don't bother reporting decimals...why say its 29.8 degrees when you know the equipment is imperfect. Call it 30.. and that may not be accurate either. The only time I know the temperature accurately here is when it is exactly 32, the temperature that I calibrated them at. The sensors may not be off by the same amounts at 10 degrees ...or 50 ...or 90, but thats the best I can do.

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Tonight has me concerned with increasing winds and dropping temperatures

I'd say 95% of the accreted ice has fallen to the ground now. We got up into the mid and upper 30's area-wide, so if anything it would be like the aftermath of a windy snowmelt day.

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The "Wx Underground" station said the high in this area today was 36 F...I can buy that. I went into work late this morning, well after the precip was all rain. Came home shortly after 5:00 PM...temps had dropped below freezing and my driveway was a sheet of ice...the exact story L.I. Pete (same town as me) related yesterday about his wife's car not being able to make it up the driveway...precise same thing happened here just over 90 minutes ago...finally got the car in the garage...it was a struggle.

I don't know about other areas...but any concern about a "loss of snowpack" never came to pass here...I think I had roughly 18 to 20 inches on the ground last night...and it appears no more than an inch or so less deep now than it was then...

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The "Wx Underground" station said the high in this area today was 36 F...I can buy that. I went into work late this morning, well after the precip was all rain. Came home shortly after 5:00 PM...temps had dropped below freezing and my driveway was a sheet of ice...the exact story L.I. Pete (same town as me) related yesterday about his wife's car not being able to make it up the driveway...precise same thing happened here just over 90 minutes ago...finally got the car in the garage...it was a struggle.

I don't know about other areas...but any concern about a "loss of snowpack" never came to pass here...I think I had roughly 18 to 20 inches on the ground last night...and it appears no more than an inch or so less deep now than it was then...

We're lucky the freezing rain came to pass because it created a nice layer of ice on top of the snow to absorb today's heating, and what's left soaked down and will freeze the snow into a brick later tonight. It's going to take a huge torch to melt this stuff, we probably don't see bare ground until the end of the month assuming not much more snow falls and we see warmer temps than January (a solid assumption if the SE ridge keeps popping its head like this).

I didn't lose much snow here either, and my temp spiked up to near 40 for a while. I was worried about those much warmer temps down near the Delmarva coming near here, but the coastal feature developed to our south and kept it (fairly) cool. The lack of wind helped too. 40F with wind is much worse for snow than 40F w/o wind. All the ice from the pavement and trees melted, but will refreeze soon once the cold front comes through.

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Obviously not a homeowner who worries about flooding :rolleyes: You realize there is about 3-4 of liquid precip sitting on the cold ground with nowhere to go.

Lol I understand but it's not gonna stay a glacier forever, but yeah 60's would speed up the process many times over which would have bad flooding. A gradually melting would be best for flood prone areas. It's February, in a matter of weeks we could have a bad rainstorm and it be 50 degrees. That'd be even worse having unmelted snow/ice plus rain lol.

This morning was very very icy, I slipped countless times but luckily didn't fall, the trees looked nice though. Some of the snow melted today along with the ice and the sun wasnt even out, the puddles are extra huge and it'll be even worse tonight/tomorrow when it refreezes. Enough snow melted that I even saw grass/dirt in some spots (I assume the snow got kinda blown from those spots during the storms so the depth wasn't that high).

I just wish we were average, our temps seem like the opposite of last Summer, instead of being above average 95% of the time we're below average 95% of the time, I'm just done lol. -___-

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Just ran to the store, getting icy out there most everything is still wet but freezing up slowly. Be careful out there, especially in the morning.....temp is 31 here. Just on a side note, I don't recall seeing any sanding trucks today either I missed them or they just relied on what's already on the roads. Plenty of LIPA trucks though, they were ready.

PS - Just think how bad this would have been with high winds :arrowhead:

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KMSQ - Somerville, NJ

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Time

EST (UTC) Temperature

F © Dew Point

F © Pressure

Inches (hPa) Wind

MPH Weather Latest

10 PM (3) Feb 02 33.1 (0.6) 19.0 (-7.2) 29.96 (1014) WNW 8

9 PM (2) Feb 02 35.1 (1.7) 19.0 (-7.2) 29.92 (1013) WNW 12

8 PM (1) Feb 02 36.0 (2.2) 21.9 (-5.6) 29.88 (1011) W 10

7 PM (0) Feb 02 37.0 (2.8) 25.0 (-3.9) 29.82 (1009) WNW 13

6 PM (23) Feb 02 35.1 (1.7) 33.1 (0.6) 29.77 (1008) Calm

5 PM (22) Feb 02 35 (2) 33 (1) 29.74 (1007) SW 3

4 PM (21) Feb 02 35 (2) 35 (2) 29.71 (1006) Calm mist

3 PM (20) Feb 02 35 (2) 33 (1) 29.68 (1005) Calm mist

2 PM (19) Feb 02 33 (1) 33 (1) 29.63 (1003) Calm mist

1 PM (18) Feb 02 33 (1) 33 (1) 29.64 (1003) Calm mist

Noon (17) Feb 02 33 (1) 33 (1) 29.66 (1004) Calm mist

Pressure tendency 0.14 inches (4.8 hPa) higher than three hours ago

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We got a light dusting up here in Monroe. Finishing touches on 6 inches of snow and over an inch of ice and sleet. Driveway is rock solid frozen. Can't shovel or plow it with my ATV. Unbelievable.

My dad and I spent 4 hours today breaking ice, shoveling, and salting the areas around the house....driveway, walkway, front steps. It was a massive job, and we're much further south than you here in Westchester. There was literally an inch of sleet topped off by .5" ice, and that doesn't include the 2" snow mixed with sleet and ice that fell the previous night, which we'd already attempted to clean up. I have shoveled so much these past two winters, it's as if we moved to the High Sierra or something.

32.6/30 and mostly cloudy here...I just got back from a friend's house in Northern Westchester, and it was starting to become slick up there. As the clouds break later tonight, I'm sure icy conditions will prevail throughout the county. I wouldn't be surprised to see some schools have delays tomorrow morning in order for the roads to thaw a bit.

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My dad and I spent 4 hours today breaking ice, shoveling, and salting the areas around the house....driveway, walkway, front steps. It was a massive job, and we're much further south than you here in Westchester. There was literally an inch of sleet topped off by .5" ice, and that doesn't include the 2" snow mixed with sleet and ice that fell the previous night, which we'd already attempted to clean up. I have shoveled so much these past two winters, it's as if we moved to the High Sierra or something.

32.6/30 and mostly cloudy here...I just got back from a friend's house in Northern Westchester, and it was starting to become slick up there. As the clouds break later tonight, I'm sure icy conditions will prevail throughout the county. I wouldn't be surprised to see some schools have delays tomorrow morning in order for the roads to thaw a bit.

That sucks! I'm just reserved to the fact that it will have to melt on its own at some point. We have close to 3 ft of snowpack- its like the Arctic up here. LOL. What's the snow depth like down your way? Funny thing is I want more - its awesome!

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R

Lots of ice out there already. Snowpack looks to have not been affected much at all, just has a layer of ice over it now.

Was fun seeing ice falling from buildings in the city this morning. My school had to close some entrances due to falling ice.

Yeah that's wild but dangerous. Up here we have 5

Ft long icicles off the roof- crazy

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I see Atlantic City reached 60 degrees today. whistle.gif

I can't recall who suggested that possibility...some poster with a "T" and an "M" in their name, I think...let me know if he posts again...

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I see Atlantic City reached 60 degrees today. whistle.gif

Impressive range in high temps across Monmouth County today as one goes NW to SE.

In the SE corner of the county, I found a weather station that got to 54 in Sea Girt. And in the NW corner of the county, Aberdeen only hit 36 as a high. Nearly a 20 degree temp spread over 20 miles or so.

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I just finished melting and measuring the water equivalent from a core sample of the current snowpack. We have 5.47" of SWE in the current snowpack on average.

For those who are curious, I used one of the COCORAHS round gages as the "coring device" and then to measure the melted snow. After several hours, I got impatient with the pace of melting and gave it a boost on the stove and I may have lost a few hundredths in the transfers.

The snow was a little softer today so it seemed a good time to test it. It is possible therefore, that a little of that water may yet drain before the pack finishes refreezing tonight.

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That sucks! I'm just reserved to the fact that it will have to melt on its own at some point. We have close to 3 ft of snowpack- its like the Arctic up here. LOL. What's the snow depth like down your way? Funny thing is I want more - its awesome!

It really does look like Northern Canada here as well, awesome, and more may be coming Saturday before the deep freeze arrives.

Most lawns in Dobbs Ferry probably have about 18" snowpack or so...there's just shy of 2' in the deep woods behind my house which are well shaded and around 400' elevation. I haven't checked exact depths in a couple days though, so those are estimates.

We only picked up 2" snowfall with this storm, but the heavy icing has encased the snow in a protective glaze, very beautiful to look at and difficult to melt as the sun angle grows higher.

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