dallen7908 Posted January 19, 2019 Share Posted January 19, 2019 1 hour ago, Danajames said: It was 37 when I got up and I live in southern part of Harford County. As soon as I saw that, I knew this one was a done deal. Not necessarily ... grab your cell phone ... purchase a sling psychrometer ... have it delivered by a drone ... open the package ... read the directions ... take it outside ... measure the wet bulb temperature ... estimate the RH from the wet bulb temperature using https://www.sailangle.com/articles/details/id/10 ... Go to http://www.sciencebits.com/SnowProbCalc?calc=yes ; plug in the RH and T Estimate your chances Link to comment Share on other sites More sharing options...
aldie 22 Posted January 19, 2019 Share Posted January 19, 2019 11 minutes ago, das said: Checking in from Casa de das–north. First flakes falling up here. Check out that temperature on the car thermometer: WTMD? Listening to a little dubstep are ya Link to comment Share on other sites More sharing options...
Danajames Posted January 19, 2019 Share Posted January 19, 2019 1 hour ago, dallen7908 said: Not necessarily ... grab your cell phone ... purchase a sling psychrometer ... have it delivered by a drone ... open the package ... read the directions ... take it outside ... measure the wet bulb temperature ... estimate the RH from the wet bulb temperature using https://www.sailangle.com/articles/details/id/10 ... Go to http://www.sciencebits.com/SnowProbCalc?calc=yes ; plug in the RH and T Estimate your chances Thanks for the 2nd link...that's pretty cool. Unfortunately, the odds of me seeing any snow are slim to none. The only thing I'm hoping for at this point is that they overestimated how much precipitation will ultimately fall for northern MD, that we'll come in under an inch and that we might see some wrap around snow showers tomorrow with the advancement of the Arctic front. Link to comment Share on other sites More sharing options...
winterymix Posted January 19, 2019 Share Posted January 19, 2019 1 hour ago, WEATHER53 said: -2.5 850 And -1 925. surface plots shows a 998 that surface plot wise did not gain latitude in last hour but rather due east. Hard to assess but extreme cold to northeast is from departed low and extreme cold from nw/w is from arctic high Yeah, I agree, Howard. Some surprises in store for us. I posted the 2 hour pressure change map. We have a lot of warm air advection at 850 mb and the 850 mb low may pass over most of us. Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted January 19, 2019 Share Posted January 19, 2019 Haven't seen enough rain to wet the ground. Hope for an underperformer. Link to comment Share on other sites More sharing options...
Yeoman Posted January 19, 2019 Share Posted January 19, 2019 Off and on sprinkles in DC for the past 2 hours Link to comment Share on other sites More sharing options...
aldie 22 Posted January 19, 2019 Share Posted January 19, 2019 3 minutes ago, Yeoman said: Off and on sprinkles in DC for the past 2 hours Are you at Georgetown cupcakes? Link to comment Share on other sites More sharing options...
Yeoman Posted January 19, 2019 Share Posted January 19, 2019 Just now, leesburg 04 said: Are you at Georgetown cupcakes? Sprinkles Link to comment Share on other sites More sharing options...
clskinsfan Posted January 19, 2019 Share Posted January 19, 2019 Sleet/snow mix here right now. 33 degrees. Link to comment Share on other sites More sharing options...
BaltimoreWxGuy Posted January 19, 2019 Share Posted January 19, 2019 41 minutes ago, winterymix said: Yeah, I agree, Howard. Some surprises in store for us. I posted the 2 hour pressure change map. We have a lot of warm air advection at 850 mb and the 850 mb low may pass over most of us. Surprises? Can’t disagree more. There’s been nothing but a warmer trend and delay in precip today. NWS even had to scale back advisories and warnings Link to comment Share on other sites More sharing options...
nj2va Posted January 19, 2019 Share Posted January 19, 2019 29 and SN. Almost an inch so far. Link to comment Share on other sites More sharing options...
nj2va Posted January 19, 2019 Share Posted January 19, 2019 Time to go sledding. Link to comment Share on other sites More sharing options...
Fasteddy Posted January 19, 2019 Share Posted January 19, 2019 31 . Just turned to heavy snow/sleet from sleet/freezing rain. (https://www.wunderground.com/personal-weather-station/dashboard?ID=KWVPAWPA4#history) Link to comment Share on other sites More sharing options...
aldie 22 Posted January 19, 2019 Share Posted January 19, 2019 Some sleet in my sleepy town Link to comment Share on other sites More sharing options...
AfewUniversesBelowNormal Posted January 19, 2019 Share Posted January 19, 2019 I have light snowcover and it's going to rain.. it feels like 16-17, 17-18. Link to comment Share on other sites More sharing options...
poolz1 Posted January 19, 2019 Share Posted January 19, 2019 35/33 snow/sleet/rain mix Link to comment Share on other sites More sharing options...
Ji Posted January 19, 2019 Share Posted January 19, 2019 white rain,snow,sleet. Link to comment Share on other sites More sharing options...
Chris78 Posted January 19, 2019 Share Posted January 19, 2019 Mangled flakes in Hagerstown. 36 Link to comment Share on other sites More sharing options...
Amped Posted January 19, 2019 Share Posted January 19, 2019 Got a mixed bag of shit here in Frederick Link to comment Share on other sites More sharing options...
aldie 22 Posted January 19, 2019 Share Posted January 19, 2019 4 minutes ago, Amped said: Got a mixed bag of shit here in Frederick Yeah but how's the weather Link to comment Share on other sites More sharing options...
Roger Smith Posted January 19, 2019 Share Posted January 19, 2019 Best chances for thunder probably around 8 p.m. to 2 a.m. ahead of the low center which will be close to FDK around 0400h. A secondary peak will accompany the cold front mid-day Sunday. Link to comment Share on other sites More sharing options...
MillvilleWx Posted January 19, 2019 Share Posted January 19, 2019 Got a mixed bag of shit here in FrederickDang. That stinks. Link to comment Share on other sites More sharing options...
AfewUniversesBelowNormal Posted January 19, 2019 Share Posted January 19, 2019 Look how far north this ended up going. I'd be trepidatious about the pattern change. Link to comment Share on other sites More sharing options...
clskinsfan Posted January 19, 2019 Share Posted January 19, 2019 Full blown sleet dump going on here. Its a shame. It looks like I missed the good boundary levels by 20 miles. Link to comment Share on other sites More sharing options...
Eskimo Joe Posted January 19, 2019 Share Posted January 19, 2019 Southeast winds ahead of a so/so air mass always win. Link to comment Share on other sites More sharing options...
WVclimo Posted January 19, 2019 Share Posted January 19, 2019 A steady light snow here for the past half-hour. But it only knocked off half a degree from the temp so far. 35/32 Link to comment Share on other sites More sharing options...
poolz1 Posted January 19, 2019 Share Posted January 19, 2019 Heavier precip is all snow. Really coming down right now. Link to comment Share on other sites More sharing options...
nj2va Posted January 19, 2019 Share Posted January 19, 2019 SN++ Link to comment Share on other sites More sharing options...
CatoctinRN Posted January 19, 2019 Share Posted January 19, 2019 All snow and actually coming down pretty moderately in Emmitsburg Link to comment Share on other sites More sharing options...
lpaschall Posted January 19, 2019 Share Posted January 19, 2019 Snow finally starting in Westminster Link to comment Share on other sites More sharing options...
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