Terpeast Posted Monday at 01:11 AM Share Posted Monday at 01:11 AM Currently 22.6. Forecast low is 13. Link to comment Share on other sites More sharing options...
T. August Posted Monday at 01:32 AM Share Posted Monday at 01:32 AM 19.4° at 8:30. Forecast is 12°. I suppose it’s possible but I have a suspicion that it levels out around 14/15 for the low. Link to comment Share on other sites More sharing options...
astarck Posted Monday at 01:32 AM Share Posted Monday at 01:32 AM 2 hours ago, Rhino16 said: At the NWR station they are at 4° already. Down from 17° at 4:40pm. And now below 0°. 1 Link to comment Share on other sites More sharing options...
WEATHER53 Posted Monday at 01:39 AM Share Posted Monday at 01:39 AM 32.5 for a high 31. 5pm 28.5 7pm 27 at 8:30 Link to comment Share on other sites More sharing options...
WEATHER53 Posted Monday at 01:42 AM Share Posted Monday at 01:42 AM 13 hours ago, MN Transplant said: Mesoscale models have a light band of precip coming through in the morning. Surface is residually cold, but the column is a little too warm. So, more of a mix. If it is delayed at all the surface will warm and it'll just be cold rain on the 24th. Something seems up. Link to comment Share on other sites More sharing options...
rjvanals Posted Monday at 02:21 AM Share Posted Monday at 02:21 AM Tuesday morning could be a disaster on the roads if the NAMs are correct Link to comment Share on other sites More sharing options...
RIC_WX Posted Monday at 02:22 AM Share Posted Monday at 02:22 AM 7/4 at DCL. Crystal clear skies and calm winds. Feels like we have a little further to fall. Lake is just primed to ice over, too bad it’s warming up after tonight. 1 Link to comment Share on other sites More sharing options...
wxdude64 Posted Monday at 02:33 AM Share Posted Monday at 02:33 AM 19.7/10.0 at 9:30 pm. A toasty 73.5 degrees upstairs and an extra toasty 86.3 degrees downstairs. The woodstove chugging along. 1 Link to comment Share on other sites More sharing options...
aldie 22 Posted Monday at 02:37 AM Share Posted Monday at 02:37 AM 17 already Link to comment Share on other sites More sharing options...
NorthArlington101 Posted Monday at 03:06 AM Share Posted Monday at 03:06 AM Short-range stuff back to having a FRZA/-SN band come through during the Tuesday morning commute. Could be mostly impactful if people are out-and-about on Christmas Eve. It'll stick. .SHORT TERM /MONDAY NIGHT THROUGH TUESDAY NIGHT/... The low associated with the upper trough will be moving into the eastern Great Lakes by Tuesday morning. Isentropic lift in a moisture channel being drawn into this system may produce some very light precipitation late Monday night into Tuesday morning. Given the antecedent airmass, most areas should drop below freezing Monday night even with slight warm advection aloft and increasing clouds. Given the weak forcing, coverage of precipitation remain somewhat uncertain, with the highest chances along the Alleghenies and across northern Maryland east of Catoctin Mountain. Potential onset timing also ranges before and after sunrise. On top of this, there will be precipitation type challenges since the warm advection aloft could push the temperature profile above freezing. Even though QPF may only be several hundredths of an inch, any amount of wintry precipitation could pose a travel challenge given the cold ground conditions. 1 Link to comment Share on other sites More sharing options...
pazzo83 Posted Monday at 03:12 AM Share Posted Monday at 03:12 AM DCA high of 36F - first sub 40 high of the season. Mid-upper 20s right now. Teens do not seem likely downtown, but probably up here. 1 Link to comment Share on other sites More sharing options...
JenkinsJinkies Posted Monday at 03:21 AM Share Posted Monday at 03:21 AM Warmest high in the 7 day forecast for me is 50, and that's a week from now. 1 Link to comment Share on other sites More sharing options...
nj2va Posted Monday at 03:39 AM Share Posted Monday at 03:39 AM 24/10. Brrrr 1 Link to comment Share on other sites More sharing options...
SnowtoRain Posted Monday at 03:41 AM Share Posted Monday at 03:41 AM 16.7/8.6 Link to comment Share on other sites More sharing options...
WVclimo Posted Monday at 03:44 AM Share Posted Monday at 03:44 AM 13° now, on the way to a forecast low of 10. 1 Link to comment Share on other sites More sharing options...
Terpeast Posted Monday at 03:44 AM Share Posted Monday at 03:44 AM 19.4 now. Link to comment Share on other sites More sharing options...
wxmeddler Posted Monday at 04:15 AM Share Posted Monday at 04:15 AM Tiny bit of a shortwave at 500 moving through with some elevated moisture levels and clouds. Might put a pause on our cooling for a 3-4 hours. Still, longest night of the year. Someone is gonna get single digits east of the Blue Ridge. 2 Link to comment Share on other sites More sharing options...
midatlanticweather Posted Monday at 04:36 AM Share Posted Monday at 04:36 AM I was down to 17.7 degrees about an hour ago.. now up to 19.1 degrees 1 Link to comment Share on other sites More sharing options...
midatlanticweather Posted Monday at 04:53 AM Share Posted Monday at 04:53 AM And just like that, dropped to 17.2 degrees! Link to comment Share on other sites More sharing options...
high risk Posted Monday at 05:06 AM Share Posted Monday at 05:06 AM 16 hours ago, MN Transplant said: Mesoscale models have a light band of precip coming through in the morning. Surface is residually cold, but the column is a little too warm. So, more of a mix. If it is delayed at all the surface will warm and it'll just be cold rain on the 24th. The signal is even stronger in this evening's runs. Almost every CAM has some light precip early Tuesday, and temperatures are just below freezing, except for the HiRes Window FV3 which is known to poorly handle low-level inversions. Given that temperatures will be very cold leading into this event, I would expect surfaces to be very cold, and icing would be a problem even for areas right around 31 or 32. Certainly worth additional tracking. 6 Link to comment Share on other sites More sharing options...
Stormchaserchuck1 Posted Monday at 05:09 AM Share Posted Monday at 05:09 AM 13F Link to comment Share on other sites More sharing options...
pazzo83 Posted Monday at 05:28 AM Share Posted Monday at 05:28 AM 1 hour ago, nj2va said: 24/10. Brrrr 21/10 here near the tree line in upper NW. 1 Link to comment Share on other sites More sharing options...
JakkelWx Posted Monday at 05:54 AM Share Posted Monday at 05:54 AM some of the radiative spots in the central delmarva by marydel are around 10 degrees. drove to the state line as an experiment and the car showed 11F. Link to comment Share on other sites More sharing options...
Miss Pixee Posted Monday at 09:03 AM Share Posted Monday at 09:03 AM 22 crisp degrees in SE DC. No wind, everything quiet. Link to comment Share on other sites More sharing options...
aldie 22 Posted Monday at 10:18 AM Share Posted Monday at 10:18 AM 12 when woke up Link to comment Share on other sites More sharing options...
North Balti Zen Posted Monday at 10:18 AM Share Posted Monday at 10:18 AM 5 hours ago, high risk said: The signal is even stronger in this evening's runs. Almost every CAM has some light precip early Tuesday, and temperatures are just below freezing, except for the HiRes Window FV3 which is known to poorly handle low-level inversions. Given that temperatures will be very cold leading into this event, I would expect surfaces to be very cold, and icing would be a problem even for areas right around 31 or 32. Certainly worth additional tracking. Advisories are up. 2 Link to comment Share on other sites More sharing options...
CAPE Posted Monday at 11:52 AM Share Posted Monday at 11:52 AM Low of 11 1 Link to comment Share on other sites More sharing options...
yoda Posted Monday at 11:55 AM Share Posted Monday at 11:55 AM 1 hour ago, North Balti Zen said: Advisories are up. URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 300 AM EST Mon Dec 23 2024 DCZ001-MDZ004>006-008-011-013-014-503>508-VAZ053-054-501-505-506-526- 527-231900- /O.NEW.KLWX.WW.Y.0023.241224T1000Z-241224T1800Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard- Central and Southeast Howard-Northwest Harford-Southeast Harford- Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier- Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 300 AM EST Mon Dec 23 2024 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 1 PM EST TUESDAY... * WHAT...Freezing rain expected. Total ice accumulation of a light glaze to a few hundredths of an inch. A dusting to one tenth of an inch of snow is possible. * WHERE...Portions of DC, central, north central, northeast, and northern Maryland, and northern Virginia. * WHEN...From 5 AM to 1 PM EST Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...Precipitation begins as light freezing rain early Tuesday morning along and west of US-15, then begins along the Interstate 95 corridor around or just before sunrise. Some snow could mix in at times, though that is most likely along and north of Interstate 70. Precipitation transitions to a mix of rain and freezing rain late Tuesday morning, before coming to an end early Tuesday afternoon. Link to comment Share on other sites More sharing options...
yoda Posted Monday at 11:55 AM Share Posted Monday at 11:55 AM URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 300 AM EST Mon Dec 23 2024 MDZ001-501-WVZ501-503-505-231900- /O.NEW.KLWX.WW.Y.0023.241224T0900Z-241225T0000Z/ Garrett-Extreme Western Allegany-Western Grant-Western Mineral- Western Pendleton- 300 AM EST Mon Dec 23 2024 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 7 PM EST TUESDAY... * WHAT...Mixed precipitation expected. Total snow accumulations up to half an inch and ice accumulations up to one tenth of an inch. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In West Virginia, Western Grant, Western Mineral, and Western Pendleton Counties. * WHEN...From 4 AM to 7 PM EST Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS...Precipitation begins as a mix of light snow and freezing rain early Tuesday morning, then transitions to a light freezing rain by late Tuesday morning. A light freezing drizzle could continue through early Tuesday evening. Link to comment Share on other sites More sharing options...
yoda Posted Monday at 11:56 AM Share Posted Monday at 11:56 AM URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 300 AM EST Mon Dec 23 2024 MDZ003-VAZ028-030-031-WVZ051>053-231900- /O.NEW.KLWX.WW.Y.0023.241224T1000Z-241224T1500Z/ Washington-Frederick VA-Warren-Clarke-Morgan-Berkeley-Jefferson- 300 AM EST Mon Dec 23 2024 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 10 AM EST TUESDAY... * WHAT...Freezing rain expected. Total ice accumulations of a light glaze to a few hundredth of an inch. * WHERE...Portions of north central Maryland, northwest Virginia, and panhandle West Virginia. * WHEN...From 5 AM to 10 AM EST Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Very slippery sidewalks, roads and bridges are possible. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...Precipitation begins as light freezing rain early Tuesday morning. Some light snow could mix in at times. Precipitation comes to an by late Tuesday morning. Link to comment Share on other sites More sharing options...
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