Wxmidatlantic Posted January 30, 2019 Report Share Posted January 30, 2019 Temp 15.8, looking at the Arctic front just entering West Virginia. Max snow PAC showing up well on IR along with cold air. Residual surface moisture and convection could produce snow showers with passage. Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Phil Posted January 30, 2019 Report Share Posted January 30, 2019 Interestingly enough, the trees appear to be glazed over here this morning, so I wonder if that affects how they handle any wind this afternoon. Winds already gusting to around 25mph out of the south, and LWX says gusts could reach 60mph in some of the squalls (or even outside them in some places). Advected from 14.5*F to 24.1*F in 1hr. One of the coldest “warm sectors” since the one in February 2015. 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted January 30, 2019 Author Report Share Posted January 30, 2019 Easy to see where the snow fell yesterday. We where on the edge... schools closed. Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted January 30, 2019 Author Report Share Posted January 30, 2019 Hints of a squall.. Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Phil Posted January 30, 2019 Report Share Posted January 30, 2019 Just had a heavy gust here right out of the south. Blew a thick cloud of snow off the ground and high into the air. Up to 31.1/15 ahead of the front/squall. Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted January 30, 2019 Author Report Share Posted January 30, 2019 Peak wind SSW 31mph temp 30.4F Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted January 30, 2019 Author Report Share Posted January 30, 2019 Nation Weather Service BWI just issued special weather statement for developing squall. 1 Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Phil Posted January 30, 2019 Report Share Posted January 30, 2019 Squall dried up a bit before it got here, but still solid SN with my station registering a peak gust of 42mph. Temp drop was legit too...33.8 to 22.5 in 40 minutes. Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Phil Posted January 30, 2019 Report Share Posted January 30, 2019 Woah, some big gusts developing out west. Seeing a number of stations on wunderground between 45-70mph as that huge mass of cold air advects in. Should arrive here between 2-3pm, I think. 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Phil Posted January 30, 2019 Report Share Posted January 30, 2019 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted January 30, 2019 Author Report Share Posted January 30, 2019 Wow, I couldn't turn away. Still 1 mile in light snow and blowing snow, with the sun out. Squall produced 1/8 mile in SN blowing snow. Peak wind 47mph, .5 new snow. Temp 22.4F 1 Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted January 30, 2019 Author Report Share Posted January 30, 2019 Snow has ended. Wind West 23 G34. Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Phil Posted January 30, 2019 Report Share Posted January 30, 2019 Looks like BWI reported a gust to 48mph, with a snow squall and blowing snow. Dulles reported blowing snow as well. The wind front is moving into Leesburg now. Should arrive at Dulles by ~ 245pm +/- 15 minutes. 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Phil Posted January 30, 2019 Report Share Posted January 30, 2019 Decent gustage with that wind front here. Hit 48mph from the WNW once the sun came out and destabilized us a little bit. Stronger than during the snow squall. https://www.wunderground.com/personal-weather-station/dashboard?ID=KMDBETHE62&cm_ven=localwx_pwsdash#history Temp down to 16.9 and falling fast as the sun sets, dewpoint down to -2, still gusting to ~ 30-35mph. Chilly! 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted January 31, 2019 Author Report Share Posted January 31, 2019 4.8 winds have calmed.... Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted January 31, 2019 Author Report Share Posted January 31, 2019 3.2 calm winds... Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Phil Posted January 31, 2019 Report Share Posted January 31, 2019 Low was 6.6*F here around 3AM. We decoupled briefly around then, but the NW winds blow very hard in my area, and they returned quickly around 430AM, bumping us back up to 7.7*F. Dewpoint bottomed out at -13.2*F. Wind chill -17*F. 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Phil Posted January 31, 2019 Report Share Posted January 31, 2019 Looking back at my records, the dewpoint of -13.2*F this morning was the lowest I’ve recorded since the -17.8*F reading back in February 2015 (when we literally *advected* down to -1.4*F with almost no snowpack and 65mph gusts all night long..man that was such an amazing event). Last January, our lowest dewpoint was -6.6*F. So this airmass was actually drier. But we were able to decouple longer last year, and drop to 2.8*F as a result. A bit too much wind this time to maximize cooling. 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Phil Posted January 31, 2019 Report Share Posted January 31, 2019 Strike that, l also apparently recorded a -20.8*F dewpoint with the reinforcing shot in February 2015. That was one of my favorite months of all time..endless high Arctic violence. The Valentine’s Day squall that dropped 3-5” in 1 hour in some places (just 1” here) along with thunder/lightning followed by the Arctic front which produced frequent gusts between 60-70mph, and plunged temps from 30*F down to between 0 to -10*F over just 7hrs was something to behold. Also was the most incredible ground blizzard I can remember, even more insane than February 10th, 2010. Apparently even 1” of snow is enough to produce whiteout conditions. Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Phil Posted February 1, 2019 Report Share Posted February 1, 2019 Down to 12.7*F as of 10:50pm with calm winds. The airmass has moderated quite a bit, but we’re radiating very efficiently to make up for it. Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Phil Posted February 1, 2019 Report Share Posted February 1, 2019 Currently 17/8 and snowing smoke. Dusting. 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 1, 2019 Author Report Share Posted February 1, 2019 Looks like precip fields setting up a little SE than progged.... Still 3S- Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 1, 2019 Author Report Share Posted February 1, 2019 We have dyndrites... 21/2S- Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 1, 2019 Author Report Share Posted February 1, 2019 Finally.. 3/4S- temp 14.2 wind NE 7mph... Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Phil Posted February 1, 2019 Report Share Posted February 1, 2019 What do you know, we have 1.1” on the ground with snow still falling at 330pm. Much more than I thought we’d see. Brings my seasonal total to ~ 16”. Now we get to enjoy a two week thaw before winter returns. 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 2, 2019 Author Report Share Posted February 2, 2019 Few thin cirrus, 6.1F wind calm... Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 2, 2019 Author Report Share Posted February 2, 2019 Fog developing, calm winds temp up to 7.8F Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
dairyd Posted February 2, 2019 Report Share Posted February 2, 2019 cold air seems a bit stubborn to scour out, will it warm up today as planned? Telekenetics seem to point to the cold river flowing more to the west than the east for the forseeable future. But all of that could change on whether the pacific ridge retrogrades or not and how the greenland block matures. interesting times. 1 Quote Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 2, 2019 Author Report Share Posted February 2, 2019 12z NAM introducing freezing drizzle Sunday night early Monday for DC area. Morning cummute could be influenced, Image below. 12z GFS sets the table at 144hrs. Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Phil Posted February 2, 2019 Report Share Posted February 2, 2019 Low of 11.8*F this morning. Some high clouds around prevented us from reaching the single digits again. 1 Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 3, 2019 Author Report Share Posted February 3, 2019 19z temp 43.6 light NE wind. Coastal trof developing... Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 5, 2019 Author Report Share Posted February 5, 2019 Today will be max warm air advection in mid-Atlantic. Temps this morning 3-4 degrees below prog. 30 OVC.... Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 5, 2019 Author Report Share Posted February 5, 2019 250 - SCT welcome the torch.... Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 5, 2019 Author Report Share Posted February 5, 2019 Thank you guys for getting that high to shift to the west and help it pump another SE ridge. Nice to have a couple weeks of snow and cold to look forward too in SeattleIt is what it is. Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 5, 2019 Author Report Share Posted February 5, 2019 Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 5, 2019 Author Report Share Posted February 5, 2019 There was a time I arrived at GSO temp was 60.f By 12z it was 7f it was known as "the presidents day storm".... Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Phil Posted February 5, 2019 Report Share Posted February 5, 2019 Thank you guys for getting that high to shift to the west and help it pump another SE ridge. Nice to have a couple weeks of snow and cold to look forward too in SeattleHaha, you’re welcome. BTW, can you please merge this thread with the main 2019 thread so we have one timeline? That’s your cold/snow delivery fee..if you don’t do this you’ll get screwed at the last minute. Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Phil Posted February 5, 2019 Report Share Posted February 5, 2019 Beautiful day! High of 70.5*F here. Hard to believe it was 5*F with howling winds and blowing snow a week ago. Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
Wxmidatlantic Posted February 27, 2019 Author Report Share Posted February 27, 2019 Bitter NE wind 10-15. Temp 31F. Modified Continental Polar air starting to funnel down. Quote A Navy Chief said, "Never change your forecast. That way you can only be wrong once." Link to comment Share on other sites More sharing options...
Phil Posted February 28, 2019 Report Share Posted February 28, 2019 Bitter NE wind 10-15. Temp 31F. Modified Continental Polar air starting to funnel down. 2019022715_metars_bwi.gifLucky. Very different here..high temp of 38.3*F was just reached here 30mins ago, no wind at all. Dewpoint still 30*F. We’re very sheltered from E/NE winds, here so advecting that cool/dry air in is tough when it’s coming from that direction. Quote Live Weather Cam: https://www.youtube.com/live/KxlIo8-KVpc?si=xKLCFYWbZieAfyh6 PWS Wunderground https://www.wunderground.com/dashboard/pws/KMDBETHE62 PWS CWOP/NOAA: https://www.weather.gov/wrh/timeseries?site=F3819&hours=72 Link to comment Share on other sites More sharing options...
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