WxUSAF Posted December 16, 2020 Author Share Posted December 16, 2020 3" on the button, so 1.8" in the last hour! Sleet now. Grass is nearly all covered, so it's better than most of our storms... Let's see what happens now. 5 1 Link to comment Share on other sites More sharing options...
ers-wxman1 Posted December 16, 2020 Share Posted December 16, 2020 All sleet in Ashburn. 2.5” total snow. 1 Link to comment Share on other sites More sharing options...
Jeff B Posted December 16, 2020 Share Posted December 16, 2020 Absolutely ripping right now in 21136. Holding at 28 degrees Link to comment Share on other sites More sharing options...
Flying Bouncy House Posted December 16, 2020 Share Posted December 16, 2020 1 minute ago, WVsnowlover said: Absolutely ripping right now!! Just measured 4.75". I'm between Charles Town and Winchester. Definitely heavy snow in town right now. Can't even see all the way down the street. Temp still 27F. Sleet line still creeping closer, but hopefully will get rejected by Mount Weather. Link to comment Share on other sites More sharing options...
LeesburgWx Posted December 16, 2020 Share Posted December 16, 2020 I agree with Ji, I think that may have been the heaviest I have ever seen it snow. Still coming down but I think it. Is slightly mixing with sleet Link to comment Share on other sites More sharing options...
Eskimo Joe Posted December 16, 2020 Share Posted December 16, 2020 2 minutes ago, mappy said: yeah snowing its ass off now Just wait until the stuff over I-795 gets your way...it's insane. I know I'm gonna flip but man this is crazy. Link to comment Share on other sites More sharing options...
Baltimorewx Posted December 16, 2020 Share Posted December 16, 2020 Just now, nw baltimore wx said: Falling Branch Brewery closed so we are at Brookeville Farm Brewery. Heavy snow, earlier, now snow and mostly sleet. Went there a couple weeks ago...awesome place. Arent falling branch and brookeville like an hour and a half away fro meach other though? lol 2 Link to comment Share on other sites More sharing options...
nj2va Posted December 16, 2020 Share Posted December 16, 2020 36 minutes ago, umdterps29 said: Can anyone tell me what the Euro shows in remaining QPF for Deep Creek? 0.9” and another 0.1-0.15” in upslope afterwards. 1 Link to comment Share on other sites More sharing options...
osfan24 Posted December 16, 2020 Share Posted December 16, 2020 1 minute ago, WxUSAF said: 3" on the button, so 1.8" in the last hour! Sleet now. Grass is nearly all covered, so it's better than most of our storms... Let's see what happens now. It's knocking on my doorstep. Link to comment Share on other sites More sharing options...
ErinInTheSky Posted December 16, 2020 Share Posted December 16, 2020 1 minute ago, WxUSAF said: 3" on the button, so 1.8" in the last hour! Sleet now. Grass is nearly all covered, so it's better than most of our storms... Let's see what happens now. This is the fun part right? What comes next? High accumulating sleet? A back end punch of snow? Rain that freezes because our temps never get above 32 here? Or is this it? hmmmm Link to comment Share on other sites More sharing options...
nw baltimore wx Posted December 16, 2020 Share Posted December 16, 2020 Just now, Baltimorewx said: Went there a couple weeks ago...awesome place. Arent falling branch and brookeville like an hour and a half away fro meach other though? lol We live between the two. We knew Falling Branch closed so came here instead. Link to comment Share on other sites More sharing options...
Skywalker03 Posted December 16, 2020 Share Posted December 16, 2020 2 minutes ago, nw baltimore wx said: Falling Branch Brewery closed so we are at Brookeville Farm Brewery. Heavy snow, earlier, now snow and mostly sleet. Love that place -- enjoy! 2 Link to comment Share on other sites More sharing options...
Disc Posted December 16, 2020 Share Posted December 16, 2020 The 18z sounding at IAD looks all below freezing, but looks like this launch was sent up before the sleet/mixing line moved through judging by the radar correlation coefficient. The warmest spot was right near 0C between 930mb to 880mb. 3 1 Link to comment Share on other sites More sharing options...
Deck Pic Posted December 16, 2020 Share Posted December 16, 2020 13 minutes ago, a.salt said: Mesoscale Discussion 1854 NWS Storm Prediction Center Norman OK 1257 PM CST Wed Dec 16 2020 Areas affected...Northeast West Virginia...northern Virginia...western Maryland...and central to eastern Pennsylvania Concerning...Heavy snow Valid 161857Z - 170000Z SUMMARY...Heavy snowfall rates around 2 inches per hour are expected to increase in coverage through the mid to late afternoon hours across portions of the Mid-Atlantic. Heavy snowfall will likely continue into the overnight hours for portions of eastern/northeastern Pennsylvania. DISCUSSION...Precipitation continues to gradually increase in coverage across much of the Mid-Atlantic region within a broad swath of strong warm air advection between 850-700 mb (per recent RAP soundings and mesoanalysis). Mixed precipitation types continue to be reported within the precipitation transition zone along the Roanoke to Fredericksburg, VA line. While a wintry mix, including pockets of freezing rain, will continue in the near term, this zone should become more limited spatially through the mid/late afternoon hours. Further north, moderate, to at times heavy, snowfall rates have been observed (as evidenced by visibility reductions to one-quarter mile and observed snow rates around 2 inches per hour for some locations in northeast WV). Heading through the afternoon, the low that is currently advancing northward along the Carolina coast will continue to deepen. As this occurs, mid-level winds will strengthen and begin to tighten the 850-700 mb baroclinic zone and augment warm advection across the region. As isentropic and frontogenetical lift increase, snowfall rates will see a corresponding uptick in intensity. Lift within the dentritic growth zone and weak instability closer to the coast will help further augment snowfall rates. Widespread snowfall rates above 1 inch per hour over the region are likely, and the potential for widespread snowfall rates exceeding two inches per hour will increase through 00 UTC as the potential for organized frontogenetical/deformation-driven snow bands increases. I'm never inside any of these cute bubbles 1 1 Link to comment Share on other sites More sharing options...
Flying Bouncy House Posted December 16, 2020 Share Posted December 16, 2020 Latest HRRR has snow still falling across the area at 6Z. Link to comment Share on other sites More sharing options...
gunny23 Posted December 16, 2020 Share Posted December 16, 2020 33 minutes ago, Snowman. said: Huge flake size a couple miles north of Sterling. Hearing sleet now. I'm in Countryside - all sleet here now Link to comment Share on other sites More sharing options...
WxUSAF Posted December 16, 2020 Author Share Posted December 16, 2020 Just now, ErinInTheSky said: This is the fun part right? What comes next? High accumulating sleet? A back end punch of snow? Rain that freezes because our temps never get above 32 here? Or is this it? hmmmm Hoping to avoid rain, but not sure. 3" is definitely solid compared to what I feared at times the last day or two. Link to comment Share on other sites More sharing options...
ers-wxman1 Posted December 16, 2020 Share Posted December 16, 2020 For reference, the average December monthly snow for IAD, BWI, DCA is 3.5, 3.0, and 2.3. Not the kind of storm we originally hoped for, but a 12”+ event is not all that common for this time of the year in the MA. We are starting the year off pretty good. 12 3 Link to comment Share on other sites More sharing options...
Eaglesrck63 Posted December 16, 2020 Share Posted December 16, 2020 Sleet starting to mix in. North East, MD Link to comment Share on other sites More sharing options...
PivotPoint Posted December 16, 2020 Share Posted December 16, 2020 18 minutes ago, Ji said: extremely heavy snow in leesburg lol Sitting at king st oyster. Was super heaving 10 mins ago. Hiked up raven rock trail an hour ago, and it was pouring snow up there. Almost 4” on the ground at 1000” 3 Link to comment Share on other sites More sharing options...
WxUSAF Posted December 16, 2020 Author Share Posted December 16, 2020 Fellow spotters, remind me of the rules... I've measured each hour and won't wipe the board until 6pm. But can I report these intermediate values? I think yes, right? Link to comment Share on other sites More sharing options...
PhineasC Posted December 16, 2020 Share Posted December 16, 2020 The giant snow parachutes usually means sleet is inbound. Link to comment Share on other sites More sharing options...
Got Haggis? Posted December 16, 2020 Share Posted December 16, 2020 changed to all sleet downtown Baltimore Link to comment Share on other sites More sharing options...
fujiwara79 Posted December 16, 2020 Share Posted December 16, 2020 Just now, ers-wxman1 said: For reference, the average December monthly snow for IAD, BWI, DCA is 3.5, 3.0, and 2.3. Not the kind of storm we originally hoped for, but a 12”+ event is not all that common for this time of the year in the MA. We are starting the year off pretty good. DCA only got a trace unfortunately. Link to comment Share on other sites More sharing options...
nj2va Posted December 16, 2020 Share Posted December 16, 2020 3.25”. I haven’t been under any yellow banding but the mountains sure are squeezing every bit of liquid they can from these returns. Nice, fluffy flakes. 1 Link to comment Share on other sites More sharing options...
BlizzardNole Posted December 16, 2020 Share Posted December 16, 2020 I am impressed with RadarScope -- as soon as it had red/blue over me, I switched to snow/sleet. Eyeballing close to 3" just NE Germantown; hoping we don't go above freezing and maybe get a little period of snow later tonight. Nice start to winter! Link to comment Share on other sites More sharing options...
H2O Posted December 16, 2020 Share Posted December 16, 2020 2 minutes ago, Deck Pic said: I'm never inside any of these cute bubbles Thats because the orange arrow is warm air. When they draw it going over us its too far. We need that arrow to stop near VA Beach for us to get the cute puffy cloud 1 Link to comment Share on other sites More sharing options...
ravensrule Posted December 16, 2020 Share Posted December 16, 2020 3 minutes ago, nw baltimore wx said: We live between the two. We knew Falling Branch closed so came here instead. You would have loved this if you were home. The rates are absolutely insane. We are approaching 3" easily. 1 Link to comment Share on other sites More sharing options...
Paleocene Posted December 16, 2020 Share Posted December 16, 2020 We've got rain mixing in with a few sleet pellets here in Silver Spring. Neighborhood roads are a mess. Temp at 30 dew 29. Some very mild icing visible on tree limbs. Link to comment Share on other sites More sharing options...
WeatherQ Posted December 16, 2020 Share Posted December 16, 2020 Elkton in da city ... 215 pm .... Ripping chubby snow and grass and roads starting to coat. But that damn transition line is coming up like a beast 30F 3 Link to comment Share on other sites More sharing options...
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