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E PA/NJ/DE Spring 2022 OBS Thread


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This is often confusing but hail happens during thunderstorms due to updrafts normally in summer with well above freezing surface temps. Sleet is melted rain that fall through a significant layer of cold freezing temps all the way to ground level - this occurs during winter months with freezing temps at ground level. Graupel is heavily rimed snow pellets. Riming is a process in the atmosphere that acts to stick snow crystals together and then rain or partial melting due to melting in a pretty thick above freezing layer adds an icy outer layer - this can occur even with temps in the 50's near ground level

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11 minutes ago, RedSky said:

Missed everything 

Evening shower forecast should be changed to snow and graupel considering what has already happened. 

 

Rain here around 3pm then a burst of moderate snow embedded with "mangled flakes" around 345. Yes, definitely wet snow, not hail, not sleet, not graupel, not rabid bunnies falling from the sky.....this was wet snow.

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I know the difference between IP and hail, just couldn’t figure out which one it was. All I knew is chunks of ice were falling from the sky…lol.

It seemed too warm for IP with temps in the mid 40’s, but I associate hail with severe wx, so…
 

Let’s go with graupel and call it a day. :)

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Nothing here although I am under a radar hole with the sun peeping out from the cloud deck.  Temp has been wavering today where I hit a high of 43 just before 11 am (after a low of 36 earlier this morning) but am down to 40 with dp 29.  My sis in Upper Darby texted about seeing some flurries down her way.

radar6-03272022.png

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Snow squall warning on the phone until 1pm

SNOW SQUALL WARNING
NWS MOUNT HOLLY NJ
1208 PM EDT MON MAR 28 2022

PAC017-091-281700-
/O.NEW.KPHI.SQ.W.0008.220328T1608Z-220328T1700Z/
1208 PM EDT MON MAR 28 2022
Bucks County-Montgomery County-

The National Weather Service in Mount Holly NJ has issued a

* Snow Squall Warning for...
Central Montgomery County in southeastern Pennsylvania...
Central Bucks County in southeastern Pennsylvania...

* Until 100 PM EDT.

* At 1208 PM EDT, a dangerous snow squall was located over
Quakertown, or 14 miles southeast of Allentown, moving east at 30
mph.

HAZARD...Extremely poor visibility in snow and blowing snow. Wind
gusts up to 30 mph.

SOURCE...Radar indicated.

IMPACT...Expect hazardous road conditions.

* This includes the following highways...
Pennsylvania Turnpike between mile markers 342 and 347.
Northeast Extension between mile markers 28 and 45.

Locations impacted include...
Lansdale, Quakertown, Perkasie, Doylestown, Byram, Hatboro,
Souderton, Bedminster, Chalfont, Hatfield, New Hope, Dublin,
Schwenksville, Bryn Athyn, Ivyland, Stockton, Green Lane, Fricks,
Willow Grove and Spring Mount.
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