BaltimoreWxGuy Posted January 13, 2017 Share Posted January 13, 2017 This event had screw job written all over it....an area of WAA precip, with out a defined strong area of low pressure and lack of cold airmass entrenched? Meh. I doubt anyone outside of the high terrain/Alleghanys see 1" of snow, if they even do Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 2 minutes ago, MN Transplant said: The 14z HRRR had the DCA area at 37/29 at 8z, and the southward push of the drier DPs had stopped. Not ideal if you are looking for interesting ZR. I agree, the trend there is not good Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 Does southern Maryland still have any snow pack? Link to comment Share on other sites More sharing options...
NorthArlington101 Posted January 13, 2017 Share Posted January 13, 2017 3 minutes ago, BTRWx said: Does southern Maryland still have any snow pack? Is this is a serious question? I'd assume it melted in the 70s yesterday, not sure they ended up with more then 3". Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 2 minutes ago, NorthArlington101 said: Is this is a serious question? I'd assume it melted in the 70s yesterday, not sure they ended up with more then 3". I thought some areas came close to 6"? Richmond at least topped that by a good 2" more I believe. Link to comment Share on other sites More sharing options...
NorthArlington101 Posted January 13, 2017 Share Posted January 13, 2017 Just now, BTRWx said: I thought some areas came close to 6"? Richmond at least topped that by a good 2" more I believe. I thought Wes ended up with 3", and he's pretty deep in Southern Maryland. Either way, it is definitely gone now. Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 1 minute ago, NorthArlington101 said: I thought Wes ended up with 3", and he's pretty deep in Southern Maryland. Either way, it is definitely gone now. How do you know that? Link to comment Share on other sites More sharing options...
psuhoffman Posted January 13, 2017 Share Posted January 13, 2017 1 minute ago, BTRWx said: I thought some areas came close to 6"? Richmond at least topped that by a good 2" more I believe. some places down there had 6-8" but it wouldnt matter, you would need 20" to have any shot of surviving the temps the last couple days. Even 20" might not have made it at all. I lost about 16" of snowpack in one day with a 45 degree rain back in 2009. Link to comment Share on other sites More sharing options...
BaltimoreWxGuy Posted January 13, 2017 Share Posted January 13, 2017 7 minutes ago, BTRWx said: Does southern Maryland still have any snow pack? I would imagine they still have snow piles from snow removal, but outside of that its probably gone. 50s-60s for at least 72 hours with rain Im sure did a number Link to comment Share on other sites More sharing options...
clskinsfan Posted January 13, 2017 Share Posted January 13, 2017 15Z HRRR is pretty dry for most of us at the end of its run. Better south. Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 5 minutes ago, NorthArlington101 said: I thought Wes ended up with 3", and he's pretty deep in Southern Maryland. Either way, it is definitely gone now. I'm working on a closer zoom, but it's tough to tell. Link to comment Share on other sites More sharing options...
MillvilleWx Posted January 13, 2017 Share Posted January 13, 2017 Outside some snow piles at my parents place in Millville, DE, their snow is completely gone. Dry powdery snow will sublimate really well with temps over 40 and definitely when dew points are above freezing. Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 4 minutes ago, psuhoffman said: some places down there had 6-8" but it wouldnt matter, you would need 20" to have any shot of surviving the temps the last couple days. Even 20" might not have made it at all. I lost about 16" of snowpack in one day with a 45 degree rain back in 2009. But even a couple inches left can help cool the column... Link to comment Share on other sites More sharing options...
mattie g Posted January 13, 2017 Share Posted January 13, 2017 5 minutes ago, BTRWx said: How do you know that? An educated guess will get you to that conclusion. Link to comment Share on other sites More sharing options...
NorthArlington101 Posted January 13, 2017 Share Posted January 13, 2017 1 minute ago, BTRWx said: I'm working on a closer zoom, but it's tough to tell. Sorry, I didn't mean to be blunt or rude if it came across that way. I guess its possible some snowcover remains, but I doubt it helps cool us down. Link to comment Share on other sites More sharing options...
psuhoffman Posted January 13, 2017 Share Posted January 13, 2017 Just now, BTRWx said: But even a couple inches left can help cool the column... really really really grasping at straws now Link to comment Share on other sites More sharing options...
Interstate Posted January 13, 2017 Share Posted January 13, 2017 7 minutes ago, mattie g said: An educated guess will get you to that conclusion. I have a coworker in VA Beach and they have no snow left on the ground. So that would be a big no in southern MD. Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 7 minutes ago, NorthArlington101 said: Sorry, I didn't mean to be blunt or rude if it came across that way. I guess its possible some snowcover remains, but I doubt it helps cool us down. Data is key. Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 14 minutes ago, BTRWx said: I'm working on a closer zoom, but it's tough to tell. While everyone else is so bitter, I'll share what I think might be a sample image from the old experimental GOES-r imagery with an uploaded screenshot. http://rammb.cira.colostate.edu/ramsdis/online/images/latest_hi_res/goes-r_proving_ground/geocolor_nolights_eastconusfullres.gif and the rest of the layers http://rammb.cira.colostate.edu/ramsdis/online/goes-r_proving_ground.asp#GeoColor_Multi-Sensor_Imagery Link to comment Share on other sites More sharing options...
mattie g Posted January 13, 2017 Share Posted January 13, 2017 3 minutes ago, RidingTheModelWithMostSnow said: I have a coworker in VA Beach and they have no snow left on the ground. So that would be a big no in southern MD. Yeah...I don't think it's a stretch in any way, shape, or form to assume that there's no snow left. Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 15 minutes ago, NorthArlington101 said: Sorry, I didn't mean to be blunt or rude if it came across that way. I guess its possible some snowcover remains, but I doubt it helps cool us down. You might still be right. I just can't stand when someone tries to pull facts from their minds that can rarely be known without data from such dynamic processes. Link to comment Share on other sites More sharing options...
CAPE Posted January 13, 2017 Share Posted January 13, 2017 20 minutes ago, BTRWx said: How do you know that? Its gone lol. I still had 3-4" here on Tuesday evening. It was gone before yesterday's near 70 degree temps. It was mild and rained the night before. Link to comment Share on other sites More sharing options...
BTRWx Posted January 13, 2017 Share Posted January 13, 2017 4 minutes ago, C.A.P.E. said: Its gone lol. I still had 3-4" here on Tuesday evening. It was gone before yesterday's near 70 degree temps. It was mild and rained the night before. That's what I was looking for. Link to comment Share on other sites More sharing options...
WinterWxLuvr Posted January 13, 2017 Share Posted January 13, 2017 32 minutes ago, psuhoffman said: some places down there had 6-8" but it wouldnt matter, you would need 20" to have any shot of surviving the temps the last couple days. Even 20" might not have made it at all. I lost about 16" of snowpack in one day with a 45 degree rain back in 2009. You can survive warm temps if you have very low humidity, but yesterday's combo of warmth and high dp's would destroy snow in a hurry. Link to comment Share on other sites More sharing options...
WinterWxLuvr Posted January 13, 2017 Share Posted January 13, 2017 30 minutes ago, BTRWx said: I'm working on a closer zoom, but it's tough to tell. There's no snow there. Look at the clearing in southern VA. That area was pounded and you can see it is clearly gone. Link to comment Share on other sites More sharing options...
usedtobe Posted January 13, 2017 Share Posted January 13, 2017 38 minutes ago, NorthArlington101 said: I thought Wes ended up with 3", and he's pretty deep in Southern Maryland. Either way, it is definitely gone now. No I'm not, I'm as far north in Calvert as you can get. The southern part of the county got up 7.5 inches. St. mary's who is deep in southern Maryland got over 8. Link to comment Share on other sites More sharing options...
H2O Posted January 13, 2017 Share Posted January 13, 2017 snowcover fight? really? Link to comment Share on other sites More sharing options...
psuhoffman Posted January 13, 2017 Share Posted January 13, 2017 15 minutes ago, WinterWxLuvr said: You can survive warm temps if you have very low humidity, but yesterday's combo of warmth and high dp's would destroy snow in a hurry. yea, a combo of 70 degrees then rain with dewpoints way above freezing over a 48 hour period would require a snowpack with at least 3" of water content to have even a small chance of surviving. Places in WV and PA lost 3 feet of snowpack in 48 hours under such conditions in 1996. I have seen a solid foot of hard packed icy snow obliterated at my house in 24 hours when dp get into the 40s Link to comment Share on other sites More sharing options...
psuhoffman Posted January 13, 2017 Share Posted January 13, 2017 14 minutes ago, H2O said: snowcover fight? really? Thats how we roll Link to comment Share on other sites More sharing options...
yoda Posted January 13, 2017 Share Posted January 13, 2017 Well the zone forecast from LWX (as of 12:30 PM) still has around a tenth of an inch of ice accumulation for my area (Fairfax County) for Saturday... so I guess I will see a WWA being issued this afternoon Link to comment Share on other sites More sharing options...
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