stormtracker Posted February 8, 2017 Share Posted February 8, 2017 Ok, before we let the banter go on for a bit and were lenient. Now is the time to keep banter out and stay on topic. Moderation will be tight and quick. Don't earn a weenie tag and a 5 post limit. Enjoy the impending disaster. Discuss. Link to comment Share on other sites More sharing options...
clskinsfan Posted February 8, 2017 Share Posted February 8, 2017 Down 2 more degrees in the past hour 58/43 Link to comment Share on other sites More sharing options...
mappy Posted February 8, 2017 Share Posted February 8, 2017 Link to comment Share on other sites More sharing options...
mappy Posted February 8, 2017 Share Posted February 8, 2017 Link to comment Share on other sites More sharing options...
DanTheMan Posted February 8, 2017 Share Posted February 8, 2017 53 and Sunny in Morgantown, waiting for the front. Temp seems to have peaked at least. Link to comment Share on other sites More sharing options...
Deck Pic Posted February 8, 2017 Share Posted February 8, 2017 DCA - about 0.3" of total QPF falls after 9z, but most of that is likely 9z-11z....This run really doesn't change anything for us. Burst of heavy wet snow at the end. Maybe cosmetic. Maybe a slushy inch+ 9z - 42 12z - 33 15z - 32 Link to comment Share on other sites More sharing options...
H2O Posted February 8, 2017 Share Posted February 8, 2017 Super tight gradient from the ICC north Link to comment Share on other sites More sharing options...
Ellinwood Posted February 8, 2017 Share Posted February 8, 2017 My final: Link to comment Share on other sites More sharing options...
ohwxguy Posted February 8, 2017 Share Posted February 8, 2017 Euro is already missing on the current temps. Can't help but be suspicious of the temperature projection for tomorrow morning as the back edge of the precip is moving through. Regardless, even if it's generally correct with the lower level temperatures, it still only produces an inch max of snow for DC. Seems reasonable to call for an inch or less from DC south. Link to comment Share on other sites More sharing options...
WxUSAF Posted February 8, 2017 Share Posted February 8, 2017 I'd probably go: DC/inside beltway: slush-1" HoCo/MoCo/Baltimore city: 1-3" Harford/Carroll/northern Baltimore county: 2-5" Link to comment Share on other sites More sharing options...
mappy Posted February 8, 2017 Share Posted February 8, 2017 1pm obs IMBY 62/44 WNW wind Link to comment Share on other sites More sharing options...
Interstate Posted February 8, 2017 Share Posted February 8, 2017 3 minutes ago, H2O said: Super tight gradient from the ICC north It is all about how fast we can get the cold cool air in here Link to comment Share on other sites More sharing options...
lpaschall Posted February 8, 2017 Share Posted February 8, 2017 Also 58/43 NNW8 in Westminster, down about 3 degrees past couple hours. Link to comment Share on other sites More sharing options...
CAPE Posted February 8, 2017 Share Posted February 8, 2017 Just now, RidingTheModelWithMostSnow said: It is all on how fast we can get the cold air in here It has slowed though on some of the (colder) guidance. Once the storm deepens off the coast and temps really crash, its too late for a lot of area as the best precip and dynamics are gone. Link to comment Share on other sites More sharing options...
Amped Posted February 8, 2017 Share Posted February 8, 2017 2 minutes ago, C.A.P.E. said: It has slowed though on some of the (colder) guidance. Once the storm deepens off the coast and temps really crash, its too late for a lot of area as the best precip and dynamics are gone. It's always slower then modeled with these types of events. Link to comment Share on other sites More sharing options...
pasnownut Posted February 8, 2017 Share Posted February 8, 2017 8 minutes ago, ohwxguy said: Euro is already missing on the current temps. Can't help but be suspicious of the temperature projection for tomorrow morning as the back edge of the precip is moving through. Regardless, even if it's generally correct with the lower level temperatures, it still only produces an inch max of snow for DC. Seems reasonable to call for an inch or less from DC south. Yes but don't forget your looking at 2m. Upstairs cooling at 700-850 will be much better coupled w dynamic cooling. As modeled column is likely to collapse swiftly. I know it scary stuff...especially after waking outside at lunch. Trust the models....I hope. We've been burned a plenty so I feel ya. Good luck. Nut Link to comment Share on other sites More sharing options...
Scarlet Pimpernel Posted February 8, 2017 Share Posted February 8, 2017 Looks like DCA broke the record high for today (probably no surprise)...with 73 to this point. That's looking at the hourly reports. Tops the not-so-old record of 68 from just two years ago. Link to comment Share on other sites More sharing options...
das Posted February 8, 2017 Share Posted February 8, 2017 As of 1pm in Clarksburg, temps down to 61F (after a high of 66.4F at noon) on a N wind 5mph. DP is down to 44F. That DP number is the one to watch. Link to comment Share on other sites More sharing options...
nw baltimore wx Posted February 8, 2017 Share Posted February 8, 2017 GFS looks pasnows for tomorrow morning at BWI. Link to comment Share on other sites More sharing options...
midatlanticweather Posted February 8, 2017 Share Posted February 8, 2017 65/48 -- been stuck around 64 for a while. NW winds at 8 Gonna need more CAA than this! Link to comment Share on other sites More sharing options...
caviman2201 Posted February 8, 2017 Share Posted February 8, 2017 I'm not sure if anyone has been talking about this, but for areas to the south of I-70 that expect to see a significant amount of rain before temps crash, what are teh concerns about flash freezing of all that liquid after the temps do crash? Will it be a non-issue with the sun? Link to comment Share on other sites More sharing options...
mitchnick Posted February 8, 2017 Share Posted February 8, 2017 1 minute ago, caviman2201 said: I'm not sure if anyone has been talking about this, but for areas to the south of I-70 that expect to see a significant amount of rain before temps crash, what are teh concerns about flash freezing of all that liquid after the temps do crash? Will it be a non-issue with the sun? None for us neighbor. Between the warm ground and only near freezing temps, we'll be fine. IF we can get 3-4" or more, tomorrow night will definitely be a mess though. Link to comment Share on other sites More sharing options...
clskinsfan Posted February 8, 2017 Share Posted February 8, 2017 Latest HRRR not awful for us western folks. A litle bit More to come after this too: Link to comment Share on other sites More sharing options...
WinterWxLuvr Posted February 8, 2017 Share Posted February 8, 2017 Did the euro drastically cut precip from its 0z run? The precip totals Matt posted after 12z run wouldn't have produced the snow depicted by the maps I saw posted this morning (unless almost all of it fell as snow). Link to comment Share on other sites More sharing options...
nw baltimore wx Posted February 8, 2017 Share Posted February 8, 2017 3 minutes ago, caviman2201 said: I'm not sure if anyone has been talking about this, but for areas to the south of I-70 that expect to see a significant amount of rain before temps crash, what are teh concerns about flash freezing of all that liquid after the temps do crash? Will it be a non-issue with the sun? Can't pretreat with brine in the rain either. If temps get below freezing before sunrise, may be some very quick freezing on surfaces, though the warm temps the past two days will help road crews a lot. Link to comment Share on other sites More sharing options...
nj2va Posted February 8, 2017 Share Posted February 8, 2017 17z HRRR still has DC in the low 40s at 6a with 850s crossing through Ffx County. The changeover is rapidly approaching the western edge of the beltway at 6a so it'd advertise an hour or two of moderate/heavy snow in the city since temps are crashing quickly then. Link to comment Share on other sites More sharing options...
Scraff Posted February 8, 2017 Share Posted February 8, 2017 I'm having a hard time figuring out my feelings on middle/eastern HoCo. Love what the Euro has been selling, but not sure I can trust the snow totals. 64 degrees right now is the hard part. Any other locals buying? Link to comment Share on other sites More sharing options...
33andrain Posted February 8, 2017 Share Posted February 8, 2017 Temp at 64 down from 70 around noon. Link to comment Share on other sites More sharing options...
high risk Posted February 8, 2017 Share Posted February 8, 2017 I mentioned the change in snow depth in the NAM earlier today. Here are the 12z 4km NAM changes in snow depth from f00. I've posted them at f24 and f36, as the f24 map initially shows more snow on the ground in northern MD before it either compacts or melts a bit during the afternoon, and I also wanted to show totals for points northeast. Consistent with the idea that getting much snow on the ground in DC Metro is going to be a major challenge. Link to comment Share on other sites More sharing options...
RichmondTarHeel Posted February 8, 2017 Share Posted February 8, 2017 Down to 66/45 in fairfax. Feel like my dew point is strangely low, but Weatherbug reports are showing about the same. Link to comment Share on other sites More sharing options...
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