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12/10-11 Disco / Obs - Rain/Snow/Wind Event


nj2va
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1 hour ago, birdsofprey02 said:

Some counties in MD are delaying this morning. At least Harford and Carroll so far 

 

1 hour ago, nw baltimore wx said:

Howard is delayed two hours too.

Frederick is delayed also. I have nothing at my house but have heard that the Northern and Eastern part of the county have snow. 

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Did someone make a mistake in St. Mary's county?

NWUS51 KLWX 111138
LSRLWX

Preliminary Local Storm Report
National Weather Service Baltimore MD/Washington DC
638 AM EST Mon Dec 11 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 AM     Snow             4 SW Oakley             38.23N  76.78W
12/11/2023  M3.5 inch        St. Marys          MD   Trained Spotter


&&

Event Number LWX2302827
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huzzah... i guess

Preliminary Local Storm Report
National Weather Service Baltimore MD/Washington DC
711 AM EST Mon Dec 11 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     Snow             1 WSW Reagan National A 38.85N  77.04W
12/11/2023  M0.1 inch        Arlington          VA   Official NWS Obs


&&

Event Number LWX2302842
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000
NOUS41 KLWX 111213
PNSLWX
DCZ001-MDZ001-003>006-008-011-013-014-016>018-501>508-VAZ025>031-
036>040-050>057-501>508-WVZ050>053-055-501>506-120013-

Public Information Statement
Spotter Reports
National Weather Service Baltimore MD/Washington DC
713 AM EST Mon Dec 11 2023

The following are preliminary observations taken during the past 5
hours for the storm that has been affecting our region. Appreciation
is extended to cooperative and CoCoRaHS observers, Skywarn spotters
and media for these reports. This summary also is available on our
home page at weather.gov/lwx.

********************STORM TOTAL SNOWFALL********************

LOCATION                TOTAL      TIME/DATE  COMMENTS
                     SNOWFALL       MEASURED
                     (inches)

MARYLAND

...Allegany County...
  Potomac Park 2 NW       0.8   416 AM 12/11  Dept of Highways

...Anne Arundel County...
  Bwi Airport               T   700 AM 12/11  Official NWS Obs

...Baltimore County...
  Glyndon 1 WSW           1.5   415 AM 12/11  Trained Spotter
  Long Green 2 NW         1.0   500 AM 12/11  Trained Spotter
  Bentley Springs 1 E     1.0   545 AM 12/11  Trained Spotter

...Baltimore City...
  Pikesville 3 SE         0.3   608 AM 12/11  Trained Spotter

...Carroll County...
  Manchester 1 SSW        3.5   600 AM 12/11  Trained Spotter
  Millers                 2.3   416 AM 12/11  Trained Spotter
  Watersville 1 N         1.3   423 AM 12/11  Trained Spotter
  Eldersburg 1 SE         1.0   506 AM 12/11  Trained Spotter

...Charles County...
  Indian Head               T   659 AM 12/11  Trained Spotter

...Frederick County...
  Green Valley 1 WNW      0.8   530 AM 12/11  Trained Spotter

...Garrett County...
  Oakland                 4.0   412 AM 12/11  Dept of Highways
  Accident 3 NNE          3.5   412 AM 12/11  Dept of Highways
  Grantsville 5 W         3.0   412 AM 12/11  Dept of Highways
  Mountain Lake Park 1    2.0   452 AM 12/11  Dept of Highways
  Grantsville 4 E         2.0   450 AM 12/11  Dept of Highways

...Harford County...
  Churchville 1 N         0.1   506 AM 12/11  Trained Spotter

...Howard County...
  Sykesville 2 SSE        1.5   600 AM 12/11  Trained Spotter
  Elkridge 2 W            0.7   550 AM 12/11  Trained Spotter
  Simpsonville 1 SSE      0.6   421 AM 12/11  Trained Spotter
  Clarksville 2 N         0.4   545 AM 12/11  Trained Spotter

...Montgomery County...
  Damascus 3 SSW          2.5   413 AM 12/11  Co-Op Observer
  Damascus 1 S            1.8   521 AM 12/11  Trained Spotter
  Montgomery Village 3    1.8   359 AM 12/11  Trained Spotter
  Germantown              1.5   400 AM 12/11  Public
  Gaithersburg            1.5   415 AM 12/11  NWS Employee

...St. Marys County...
  Oakley 4 SW             3.5   600 AM 12/11  Trained Spotter

...Washington County...
  Sabillasville 2 NNW     3.5   629 AM 12/11  CoCoRaHS
  Pecktonville 3 NNW      0.5   330 AM 12/11  NWS Employee

VIRGINIA

...Arlington County...
  Falls Church 1 E        0.2   430 AM 12/11  NWS Employee
  Reagan National Apt     0.1   700 AM 12/11  Official NWS Obs

...Culpeper County...
  Culpeper 1 W            0.2   700 AM 12/11  Trained Spotter

...Fairfax County...
  Chantilly 2 ENE         1.3   442 AM 12/11  Trained Spotter
  Vienna 1 WNW            1.2   425 AM 12/11  Trained Spotter
  Herndon 2 ENE           0.9   506 AM 12/11  Trained Spotter
  Herndon 1 NNE           0.4   250 AM 12/11  NWS Employee

...Loudoun County...
  Bloomery 3 ESE          1.5   530 AM 12/11  Trained Spotter
  Arcola 3 S              1.0   422 AM 12/11  Trained Spotter
  Dulles International    0.5   414 AM 12/11  NWS Office
  Dulles International    0.5   700 AM 12/11  Official NWS Obs

...Page County...
  Honeyville 1 ESE        0.5   523 AM 12/11  Trained Spotter

...Stafford County...
  Glendie 1 N             1.3   505 AM 12/11  Trained Spotter
  Holly Corner 2 E        0.8   532 AM 12/11  Trained Spotter

WEST VIRGINIA

...Hampshire County...
  Lehew 2 WNW             5.0   345 AM 12/11  Trained Spotter

...Jefferson County...
  Millville 1 ESE         0.2   512 AM 12/11  Trained Spotter
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44 minutes ago, 87storms said:


Looks like there’s not even a coating here lol. I’m starting to think Frederick might actually be worse at precip/snow than some of the spots to the south and East due to the rain shadow/valley effect.

Some of the mesoscale modeling yesterday was showing something of a snow hole here and they were right.  Flakes began to mix with the rain not long after midnight but it didn't fully change over until close to 3 AM, by which time the best banding had moved past.  This place is kinda weird like that--I moved here four years ago from a much higher elevation in MoCo and still haven't figured it out.  Not to worry--we'll get ours eventually.   

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3 minutes ago, yoda said:
000
NOUS41 KLWX 111213
PNSLWX
DCZ001-MDZ001-003>006-008-011-013-014-016>018-501>508-VAZ025>031-
036>040-050>057-501>508-WVZ050>053-055-501>506-120013-

Public Information Statement
Spotter Reports
National Weather Service Baltimore MD/Washington DC
713 AM EST Mon Dec 11 2023

The following are preliminary observations taken during the past 5
hours for the storm that has been affecting our region. Appreciation
is extended to cooperative and CoCoRaHS observers, Skywarn spotters
and media for these reports. This summary also is available on our
home page at weather.gov/lwx.

********************STORM TOTAL SNOWFALL********************

LOCATION                TOTAL      TIME/DATE  COMMENTS
                     SNOWFALL       MEASURED
                     (inches)

MARYLAND

...Allegany County...
  Potomac Park 2 NW       0.8   416 AM 12/11  Dept of Highways

...Anne Arundel County...
  Bwi Airport               T   700 AM 12/11  Official NWS Obs

...Baltimore County...
  Glyndon 1 WSW           1.5   415 AM 12/11  Trained Spotter
  Long Green 2 NW         1.0   500 AM 12/11  Trained Spotter
  Bentley Springs 1 E     1.0   545 AM 12/11  Trained Spotter

...Baltimore City...
  Pikesville 3 SE         0.3   608 AM 12/11  Trained Spotter

...Carroll County...
  Manchester 1 SSW        3.5   600 AM 12/11  Trained Spotter
  Millers                 2.3   416 AM 12/11  Trained Spotter
  Watersville 1 N         1.3   423 AM 12/11  Trained Spotter
  Eldersburg 1 SE         1.0   506 AM 12/11  Trained Spotter

...Charles County...
  Indian Head               T   659 AM 12/11  Trained Spotter

...Frederick County...
  Green Valley 1 WNW      0.8   530 AM 12/11  Trained Spotter

...Garrett County...
  Oakland                 4.0   412 AM 12/11  Dept of Highways
  Accident 3 NNE          3.5   412 AM 12/11  Dept of Highways
  Grantsville 5 W         3.0   412 AM 12/11  Dept of Highways
  Mountain Lake Park 1    2.0   452 AM 12/11  Dept of Highways
  Grantsville 4 E         2.0   450 AM 12/11  Dept of Highways

...Harford County...
  Churchville 1 N         0.1   506 AM 12/11  Trained Spotter

...Howard County...
  Sykesville 2 SSE        1.5   600 AM 12/11  Trained Spotter
  Elkridge 2 W            0.7   550 AM 12/11  Trained Spotter
  Simpsonville 1 SSE      0.6   421 AM 12/11  Trained Spotter
  Clarksville 2 N         0.4   545 AM 12/11  Trained Spotter

...Montgomery County...
  Damascus 3 SSW          2.5   413 AM 12/11  Co-Op Observer
  Damascus 1 S            1.8   521 AM 12/11  Trained Spotter
  Montgomery Village 3    1.8   359 AM 12/11  Trained Spotter
  Germantown              1.5   400 AM 12/11  Public
  Gaithersburg            1.5   415 AM 12/11  NWS Employee

...St. Marys County...
  Oakley 4 SW             3.5   600 AM 12/11  Trained Spotter

...Washington County...
  Sabillasville 2 NNW     3.5   629 AM 12/11  CoCoRaHS
  Pecktonville 3 NNW      0.5   330 AM 12/11  NWS Employee

VIRGINIA

...Arlington County...
  Falls Church 1 E        0.2   430 AM 12/11  NWS Employee
  Reagan National Apt     0.1   700 AM 12/11  Official NWS Obs

...Culpeper County...
  Culpeper 1 W            0.2   700 AM 12/11  Trained Spotter

...Fairfax County...
  Chantilly 2 ENE         1.3   442 AM 12/11  Trained Spotter
  Vienna 1 WNW            1.2   425 AM 12/11  Trained Spotter
  Herndon 2 ENE           0.9   506 AM 12/11  Trained Spotter
  Herndon 1 NNE           0.4   250 AM 12/11  NWS Employee

...Loudoun County...
  Bloomery 3 ESE          1.5   530 AM 12/11  Trained Spotter
  Arcola 3 S              1.0   422 AM 12/11  Trained Spotter
  Dulles International    0.5   414 AM 12/11  NWS Office
  Dulles International    0.5   700 AM 12/11  Official NWS Obs

...Page County...
  Honeyville 1 ESE        0.5   523 AM 12/11  Trained Spotter

...Stafford County...
  Glendie 1 N             1.3   505 AM 12/11  Trained Spotter
  Holly Corner 2 E        0.8   532 AM 12/11  Trained Spotter

WEST VIRGINIA

...Hampshire County...
  Lehew 2 WNW             5.0   345 AM 12/11  Trained Spotter

...Jefferson County...
  Millville 1 ESE         0.2   512 AM 12/11  Trained Spotter

Bentley Springs in Balt Co is me. 

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What a beautiful morning here in Damascus. It definitely dipped below freezing here. It looks like about two inches on my yard (800’). There is also quite a bit of snow on the road as well. I might have to shovel my driveway (it’s steep) so I can get to work.

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