rgwp96 Posted February 13, 2014 Share Posted February 13, 2014 11.8 new snow. , 22 on the ground Link to comment Share on other sites More sharing options...
JCT777 Posted February 13, 2014 Share Posted February 13, 2014 I almost feel like today is a reverse 1/26/2011. That storm gave me 5" of snow in the morning, followed by a lull with light sleet and drizzle and then of course a big hit from the ULL at night (which started as sleet/zr than became very heavy snow with 11.5" falling). This started with the big hit in the morning (12.5") and looks like it could add another 3 to 6 inches tonight after the lull. Link to comment Share on other sites More sharing options...
chubbs Posted February 13, 2014 Share Posted February 13, 2014 Mesoscale discussion.for expanding snowfall in VA and S MD. Convective elements possible MESOSCALE DISCUSSION 0102NWS STORM PREDICTION CENTER NORMAN OK1243 PM CST THU FEB 13 2014AREAS AFFECTED...NW/N-CNTRL NC...SRN/ERN VA...SRN MDCONCERNING...HEAVY SNOWVALID 131843Z - 132345ZSUMMARY...AN AREA OF MODERATE SNOWFALL CURRENTLY LOCATED ACROSS WRNVA AND WRN/CNTRL NC IS EXPECTED TO MOVE NEWD WHILE INCREASING INCOVERAGE AND INTENSITY. LOCALLY HEAVY SNOWFALL /WITH RATES IN EXCESSOF 1 INCH/HR/ IS EXPECTED...PARTICULARLY ACROSS CNTRL VA BETWEEN18-21Z AND WRN VA/SRN MD BETWEEN 21Z-00Z.DISCUSSION...A SHORTWAVE TROUGH IS EXPECTED TO PIVOT NEWD ACROSS THESERN QUADRANT OF THE MAIN UPPER LOW...INDUCING A NEGATIVE TILT TOTHE UPPER LOW AND INCREASING ITS NEWD PROGRESSION. AS THISOCCURS...UPPER LOW WILL APPROACH THE ELONGATED SURFACE LOW OFF NRNMID-ATLANTIC/SRN NEW ENGLAND COAST. THIS WILL LEAD TO RAPIDDEEPENING OF THE ENTIRE SYSTEM WITH A SUBSTANTIAL INCREASE INMID-LEVEL LIFT ACROSS THE NRN MID-ATLANTIC THIS EVENING INTOTONIGHT.AS A RESULT OF THE OVERALL NEWD PROGRESSION OF THE SYSTEM ANDINCREASED LIFT...AREA OF MODERATE SNOWFALL CURRENTLY ACROSS WRN VAAND WRN/CNTRL NC IS EXPECTED TO MOVE NEWD WHILE INCREASING INCOVERAGE AND INTENSITY. LOCALLY HEAVY SNOWFALL WITH RATES IN EXCESSOF 1 INCH/HR IS POSSIBLE...PARTICULARLY ACROSS CNTRL VA BETWEEN18-21Z AND WRN VA/SRN MD BETWEEN 21Z-00Z. ADDITIONALLY...SOME OF THEGUIDANCE INDICATES TEMPERATURES WILL COOL QUICK ENOUGH ABOVE 700 MBTO SUPPORT 700-500 MB LAPSE RATES AOA 7 DEG C PER KM. RESULTANTELEVATED INSTABILITY MAY SUPPORT EMBEDDED CONVECTIVEELEMENTS...INCREASING THE CONFIDENCE OF LOCALLY HEAVY SNOWFALL...MOSIER.. 02/13/2014 Link to comment Share on other sites More sharing options...
Tiburon Posted February 13, 2014 Share Posted February 13, 2014 My temperature is dropping steadily. I was 37.1F at 1:30pm, now at 35.6F and steadily dropping off. Pressure is falling pretty fast as well--994.3mb. Link to comment Share on other sites More sharing options...
Quakertown needs snow Posted February 13, 2014 Share Posted February 13, 2014 Link to comment Share on other sites More sharing options...
thedude11 Posted February 13, 2014 Share Posted February 13, 2014 Look at those thunderstorms popping up in Virginia. We'll have to see how all of this fill in. Link to comment Share on other sites More sharing options...
jrodd321 Posted February 13, 2014 Share Posted February 13, 2014 Is that latest HRRR all new snow accumulation? Link to comment Share on other sites More sharing options...
cdog127 Posted February 13, 2014 Share Posted February 13, 2014 just got a text from a buddy of mine in Richmond, VA....just had thunder sleet Link to comment Share on other sites More sharing options...
PhillyPat Posted February 13, 2014 Share Posted February 13, 2014 Will that energy in the Ohio Valley catch up to the ULL? Either way, I am guessing someone will hear a clap of thunder this evening. Link to comment Share on other sites More sharing options...
MattMal88 Posted February 13, 2014 Share Posted February 13, 2014 Any chance that moisture over IN catches up to our storm and if it did would that enhance the snowfall? Link to comment Share on other sites More sharing options...
Violentweatherfan Posted February 13, 2014 Share Posted February 13, 2014 Jesus, just need to changeover quick then! Temps just might be an issue... Link to comment Share on other sites More sharing options...
NJ_Ken Posted February 13, 2014 Share Posted February 13, 2014 That ULL looks like a bowling ball headed right for the Delaware Valley. Link to comment Share on other sites More sharing options...
famartin Posted February 13, 2014 Share Posted February 13, 2014 Synoptics would argue that the best snows out by Roanoke (4"/hour) will head for the Lehigh Valley. Link to comment Share on other sites More sharing options...
JTA66 Posted February 13, 2014 Share Posted February 13, 2014 Temps slowly starting to drop in Lansdale. Maxed out at 34.8F, now down to 33.5F. Link to comment Share on other sites More sharing options...
PAPPG Posted February 13, 2014 Share Posted February 13, 2014 Temps slowly starting to drop in Lansdale. Maxed out at 34.8F, now down to 33.5F. Temp down to 31.8f/30dp. 994mb winds picking up gust to 21NNE Upper Hanover, NW Montco I like the timing of round two, into the darkness we go! Link to comment Share on other sites More sharing options...
NEchestercountydude Posted February 13, 2014 Share Posted February 13, 2014 Anyone have maps or a link to the 925 and 850 temps? Link to comment Share on other sites More sharing options...
hazwoper Posted February 13, 2014 Share Posted February 13, 2014 Anyone have maps or a link to the 925 and 850 temps? http://www.spc.noaa.gov/exper/mesoanalysis/new/viewsector.php?sector=16# Link to comment Share on other sites More sharing options...
ChescoWx Posted February 13, 2014 Share Posted February 13, 2014 Currently at our max temp so far today here in NW Chesco at 31.6 a little very lite ZR now falling - anemometer froze over at 215pm....not good news Link to comment Share on other sites More sharing options...
Heisy Posted February 13, 2014 Share Posted February 13, 2014 The 4km NAM has a pretty epic band over Philly around 10pm-12am. Should be snow. Link to comment Share on other sites More sharing options...
Bluescat1 Posted February 13, 2014 Share Posted February 13, 2014 Heck of a barometer drop, yesterday I was at 1035mb I am now at 995mb. Link to comment Share on other sites More sharing options...
NEchestercountydude Posted February 13, 2014 Share Posted February 13, 2014 http://www.spc.noaa.gov/exper/mesoanalysis/new/viewsector.php?sector=16# Thank you. Link to comment Share on other sites More sharing options...
iceman56 Posted February 13, 2014 Share Posted February 13, 2014 32.7 with light rain here in NW Chesco. Light coating of ZR on tree limbs to go with what's left over from last week. BP 29.39 and still dropping. DP 30. Winds 6 with gust as high as 15 from the NE. Link to comment Share on other sites More sharing options...
Birds~69 Posted February 13, 2014 Share Posted February 13, 2014 Temp down to 31.8f/30dp. 994mb winds picking up gust to 21NNE Upper Hanover, NW Montco I like the timing of round two, into the darkness we go! Everything has worked out / over performed this year in every fashion. Clouds lowering a bit since noon w/a steady wind and a slight mist. Temps down to 33.9 from 34.5 an hour or two ago. Horsham, PA Link to comment Share on other sites More sharing options...
JCT777 Posted February 13, 2014 Share Posted February 13, 2014 Temps slowly starting to drop in Lansdale. Maxed out at 34.8F, now down to 33.5F. My temp in Spring Mount spiked at 33 around 1 PM...now down to 31.9 at 3:15 PM. Link to comment Share on other sites More sharing options...
Heisy Posted February 13, 2014 Share Posted February 13, 2014 19z RAP has the same epic band over Philly tonight. Link to comment Share on other sites More sharing options...
Rib Posted February 13, 2014 Author Share Posted February 13, 2014 The 18z RAP had next to nothing for PHL tonight. Where did you find the 19z? Link to comment Share on other sites More sharing options...
Mitchell Gaines Posted February 13, 2014 Share Posted February 13, 2014 19z RAP has the same epic band over Philly tonight. You may get your wish for thundersnow tonight! Link to comment Share on other sites More sharing options...
Heisy Posted February 13, 2014 Share Posted February 13, 2014 You may get your wish for thundersnow tonight! Mitchell, I actually saw thundersnow this morning! Idk if anyone else can officially back me up. My neighbors snowblower was going so it was hard for me to hear thunder, but the sky lit up...my neighbors saw it as well. I doubt it was a transformer or anything. Link to comment Share on other sites More sharing options...
Heisy Posted February 13, 2014 Share Posted February 13, 2014 The 18z RAP had next to nothing for PHL tonight. Where did you find the 19z? http://www.twisterdata.com/index.php?prog=forecast&model=RAP&grid=255&model_yyyy=2014&model_mm=02&model_dd=13&model_init_hh=19&fhour=11¶meter=PCPIN&level=6&unit=HR&maximize=n&mode=singlemap&sounding=n&output=image&view=large&archive=false Link to comment Share on other sites More sharing options...
JCT777 Posted February 13, 2014 Share Posted February 13, 2014 The more I look at radar/satellite, the more I think there will be thundersnow somewhere in our region tonight. Link to comment Share on other sites More sharing options...
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