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ChescoPaWxman

2/20-21 Snow to IP to Rain Obs for our 9th winter event of the year

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Looks about 2" here. Currently 30F with freezing mist. The HRRR says that stuff in OH comes through later this evening. Should be plain rain for us SE PA folks, but looks icy for the LV.

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I have something Kamu is going to like big time, molecular snizzle for the last two hours. Accumulation can't be seen by the naked eye because it's sub atomic you need a molecular microscope.

32F

 

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Final call on 2.5" here before the rain came in.  Never got a transition to sleet or other ip so am guessing the warm nose was at multiple levels above the surface.  It went from SN --> SN- --> mix of snow/ZR --> current ZR (more than FZDZ).  Current temp is 31.

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Latest version of the snow pile - wound up kind of wet on the bottom due to latent heat in the driveway and the drizzle. Best snow pile of the winter here - looks like the snow piles of yore :lol:.

(Had a little bit of a base from last week's pile).

 

Snowpile_2-20-19_6pm.thumb.jpg.ffc713357451d9335b3103734f568e98.jpg

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1 hour ago, RedSky said:

I have something Kamu is going to like big time, molecular snizzle for the last two hours. Accumulation can't be seen by the naked eye because it's sub atomic you need a molecular microscope.

32F

 

Sure, why not? Ray could probably give you some guidance on measuring it ;).

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45 minutes ago, KamuSnow said:

Latest version of the snow pile - wound up kind of wet on the bottom due to latent heat in the driveway and the drizzle. Best snow pile of the winter here - looks like the snow piles of yore :lol:.

(Had a little bit of a base from last week's pile).

 

Snowpile_2-20-19_6pm.thumb.jpg.ffc713357451d9335b3103734f568e98.jpg

Holy cow!  Looks like the Great Pyramid in Egypt! :D

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Measured .15" of ice accretion already outside from the light freezing drizzle all afternoon. Treated roads are slushy but still very slippery. My front porch that isn't treated is an icy death trap.

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15 minutes ago, Hurricane Agnes said:

Holy cow!  Looks like the Great Pyramid in Egypt! :D

Lol...it will be interesting to see how long it will last. Lots of warm rain coming this weekend!

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Ended up with 3.5" of snow here today in East Nantmeal in Chester County Pa 

February MTD snowfall is now up to 8.6" our snowiest February since the 9.6" that fell in 2016. Our seasonal snowfall is now up to 23.3" which is only 3.6" below our average snow to date here in Chester County. Our seasonal average snow is 36.2" here in the NW burbs of Philly.

Freezing rain is falling now with the temp up to 30.3 the high for the day....temps should continue to climb and get above freezing by later this evening. However a pretty good layer of ice has already begun to accrete on all surfaces.

 

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4 minutes ago, Hurricane Agnes said:

Temp is now at 32 and getting a bit of a precip lull - pretty much drizzle.  LOTS of melting going on now though.

Same here. Had a nice coating of ice showing on bushes, etc., at sunset.

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Just now, KamuSnow said:

Lol...it will be interesting to see how long it will last. Lots of warm rain coming this weekend!

That's true, although that is a HUGE pile!  When I went shopping a couple days ago, I thought all of the last storm (which had a lot of sleet) was gone from the store parking lots but lo and behold, there were still some mini piles here and there.

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ZR continues at a steady rate here in NW Chester County PA - temp continues to rise very slowly but already up to 0.20" of ice accretion (see attached pic) here across East Nantmeal Township. Looks like temps should rise above freezing by around 10pm. All surfaces including main roads above 550ft are icy. Below 550 ft roads are much better as temps seem to have just risen above the freezing mark.

2019-02-20 20.19.42.jpg

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Light rain falling here, picked up 2.0"-2.5" of snow accumulation for the day.

Temp has dropped back down to 32 from 34 over the last couple of hours.

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Lots of branches down across roads and powerlines.  Bottom of my street, I've seen these tall pines uprooted during heavy rainstorms.  Luckily just a couple branches down from this storm.  Still slick on untreated roads/sidewalks as of 5am.  Lots of fog too, visibility on 276 isnt great but no accidents between 29 and Jersey, yet. 

QSnxfNQ.jpg

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Temps have really been marginal this morning.  It briefly went up to 34 here just after midnight but has generally been hovering around 33 the rest of the time since yesterday evening.  The melting still continues but has slowed some.

Currently 33 and overcast with some light fog.

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1 minute ago, Newman said:

Measured .35" of ice on some branches this morning. Definitely the most ice I've seen in a while.

Sounds like you pushed the limit for losing power, etc.

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