933  
NOUS41 KLWX 211051  
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>506-212251-  
 
PUBLIC INFORMATION STATEMENT  
SPOTTER REPORTS  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
551 AM EST SAT DEC 21 2024  
 
THE FOLLOWING ARE UNOFFICIAL OBSERVATIONS TAKEN DURING THE PAST 30  
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/BALTIMORE  
 
**********STORM TOTAL SNOWFALL (AT LEAST 0.0 INCH)**********  
 
LOCATION TOTAL TIME/DATE COMMENTS  
SNOWFALL MEASURED  
(INCHES)  
 
MARYLAND  
   
..ANNE ARUNDEL COUNTY
 
 
BWI AIRPORT T 100 PM 12/20 OFFICIAL NWS OBS  
   
..BALTIMORE COUNTY
 
 
BENTLEY SPRINGS 1 E 1.0 250 PM 12/20 TRAINED SPOTTER  
LONG GREEN 2 NW 0.5 500 PM 12/20 TRAINED SPOTTER  
NORRISVILLE 3 W 0.3 353 PM 12/20 TRAINED SPOTTER  
REISTERTOWN 2 NW 0.1 400 PM 12/20 CO-OP OBSERVER  
   
..CARROLL COUNTY
 
 
MILLERS 4 NE 0.8 600 PM 12/20 CO-OP OBSERVER  
   
..GARRETT COUNTY
 
 
GRANTSVILLE 5 W 3.0 516 AM 12/21 DEPT OF HIGHWAYS  
OAKLAND 1.5 520 AM 12/21 DEPT OF HIGHWAYS  
GRANTSVILLE 4 E 0.5 529 AM 12/21 DEPT OF HIGHWAYS  
MC HENRY 4 SW 0.1 600 AM 12/20 CO-OP OBSERVER  
ACCIDENT 4 E 0.1 820 AM 12/20 PUBLIC  
   
..HARFORD COUNTY
 
 
CHURCHVILLE 1 N 1.0 736 PM 12/20 TRAINED SPOTTER  
FALLSTON 3 N 0.5 845 PM 12/20 TRAINED SPOTTER  
CHROME HILL 2 SE 0.4 400 PM 12/20 TRAINED SPOTTER  
   
..MONTGOMERY COUNTY
 
 
DAMASCUS 3 SSW 0.4 1134 AM 12/20 CO-OP OBSERVER  
   
..WASHINGTON COUNTY
 
 
SABILLASVILLE 2 NNW T 240 PM 12/20 COCORAHS  
 
VIRGINIA  
   
..ARLINGTON COUNTY
 
 
REAGAN NATIONAL APT T 100 PM 12/20 OFFICIAL NWS OBS  
   
..HIGHLAND COUNTY
 
 
MILL GAP 1 SW 0.1 600 AM 12/20 CO-OP OBSERVER  
MONTEREY 7 SSW 0.1 700 AM 12/20 COCORAHS  
   
..LOUDOUN COUNTY
 
 
DULLES INTERNATIONAL T 100 PM 12/20 OFFICIAL NWS OBS  
 
WEST VIRGINIA  
   
..GRANT COUNTY
 
 
BAYARD 0.2 700 AM 12/20 CO-OP OBSERVER  
 
************24 HOUR SNOWFALL (AT LEAST 0.1 INCH)************  
 
LOCATION 24 HOUR TIME/DATE COMMENTS  
SNOWFALL MEASURED  
(INCHES)  
 
MARYLAND  
   
..CARROLL COUNTY
 
 
MILLERS 4 NE 0.8 600 PM 12/20 CO-OP OBSERVER  
   
..GARRETT COUNTY
 
 
MC HENRY 4 SW 0.1 600 AM 12/20 CO-OP OBSERVER  
 
VIRGINIA  
   
..HIGHLAND COUNTY
 
 
MONTEREY 7 SSW 0.1 700 AM 12/20 COCORAHS  
MILL GAP 1 SW 0.1 600 AM 12/20 CO-OP OBSERVER  
 
WEST VIRGINIA  
   
..GRANT COUNTY
 
 
BAYARD 0.2 700 AM 12/20 CO-OP OBSERVER  
 

 
 
*****METADATA*****  
:12/20/2024, 100 PM, MD, ANNE ARUNDEL, BWI AIRPORT, , , 39.18, -76.65, SNOW, T, INCH, OFFICIAL NWS OBS, STORM TOTAL SNOW,  
:12/20/2024, 250 PM, MD, BALTIMORE, BENTLEY SPRINGS, 1, E, 39.67, -76.65, SNOW, 1.0, INCH, TRAINED SPOTTER, STORM TOTAL SNOW,  
:12/20/2024, 500 PM, MD, BALTIMORE, LONG GREEN, 2, NW, 39.49, -76.54, SNOW, 0.5, INCH, TRAINED SPOTTER, STORM TOTAL SNOW,  
:12/20/2024, 353 PM, MD, BALTIMORE, NORRISVILLE, 3, W, 39.70, -76.59, SNOW, 0.3, INCH, TRAINED SPOTTER, STORM TOTAL SNOW,  
:12/20/2024, 400 PM, MD, BALTIMORE, REISTERTOWN, 2, NW, 39.50, -76.84, SNOW, 0.1, INCH, CO-OP OBSERVER, STORM TOTAL SNOW,  
:12/20/2024, 600 PM, MD, CARROLL, MILLERS, 4, NE, 39.72, -76.80, SNOW, 0.8, INCH, CO-OP OBSERVER, STORM TOTAL SNOW,  
:12/21/2024, 516 AM, MD, GARRETT, GRANTSVILLE, 5, W, 39.70, -79.25, SNOW, 3.0, INCH, DEPT OF HIGHWAYS, STORM TOTAL SNOW,  
:12/21/2024, 520 AM, MD, GARRETT, OAKLAND, , , 39.40, -79.40, SNOW, 1.5, INCH, DEPT OF HIGHWAYS, STORM TOTAL SNOW,  
:12/21/2024, 529 AM, MD, GARRETT, GRANTSVILLE, 4, E, 39.69, -79.09, SNOW, 0.5, INCH, DEPT OF HIGHWAYS, STORM TOTAL SNOW,  
:12/20/2024, 600 AM, MD, GARRETT, MC HENRY, 4, SW, 39.52, -79.41, SNOW, 0.1, INCH, CO-OP OBSERVER, STORM TOTAL SNOW,  
:12/20/2024, 820 AM, MD, GARRETT, ACCIDENT, 4, E, 39.62, -79.25, SNOW, 0.1, INCH, PUBLIC, STORM TOTAL SNOW,  
:12/20/2024, 736 PM, MD, HARFORD, CHURCHVILLE, 1, N, 39.57, -76.25, SNOW, 1.0, INCH, TRAINED SPOTTER, STORM TOTAL SNOW,  
:12/20/2024, 845 PM, MD, HARFORD, FALLSTON, 3, N, 39.56, -76.42, SNOW, 0.5, INCH, TRAINED SPOTTER, STORM TOTAL SNOW,  
:12/20/2024, 400 PM, MD, HARFORD, CHROME HILL, 2, SE, 39.60, -76.39, SNOW, 0.4, INCH, TRAINED SPOTTER, STORM TOTAL SNOW,  
:12/20/2024, 1134 AM, MD, MONTGOMERY, DAMASCUS, 3, SSW, 39.26, -77.23, SNOW, 0.4, INCH, CO-OP OBSERVER, STORM TOTAL SNOW,  
:12/20/2024, 240 PM, MD, WASHINGTON, SABILLASVILLE, 2, NNW, 39.72, -77.47, SNOW, T, INCH, COCORAHS, STORM TOTAL SNOW,  
:12/20/2024, 100 PM, VA, ARLINGTON, REAGAN NATIONAL APT, , , 38.85, -77.03, SNOW, T, INCH, OFFICIAL NWS OBS, STORM TOTAL SNOW,  
:12/20/2024, 600 AM, VA, HIGHLAND, MILL GAP, 1, SW, 38.31, -79.72, SNOW, 0.1, INCH, CO-OP OBSERVER, STORM TOTAL SNOW,  
:12/20/2024, 700 AM, VA, HIGHLAND, MONTEREY, 7, SSW, 38.33, -79.64, SNOW, 0.1, INCH, COCORAHS, STORM TOTAL SNOW,  
:12/20/2024, 100 PM, VA, LOUDOUN, DULLES INTERNATIONAL AIRPORT, , , 38.98, -77.49, SNOW, T, INCH, OFFICIAL NWS OBS, STORM TOTAL SNOW,  
:12/20/2024, 700 AM, WV, GRANT, BAYARD, , , 39.27, -79.37, SNOW, 0.2, INCH, CO-OP OBSERVER, STORM TOTAL SNOW,  
:12/20/2024, 600 PM, MD, CARROLL, MILLERS, 4, NE, 39.72, -76.80, SNOW_24, 0.8, INCH, CO-OP OBSERVER, 24-HOURLY SNOWFALL,  
:12/20/2024, 600 AM, MD, GARRETT, MC HENRY, 4, SW, 39.52, -79.41, SNOW_24, 0.1, INCH, CO-OP OBSERVER, 24-HOURLY SNOWFALL,  
:12/20/2024, 700 AM, VA, HIGHLAND, MONTEREY, 7, SSW, 38.33, -79.64, SNOW_24, 0.1, INCH, COCORAHS, 24-HOURLY SNOWFALL,  
:12/20/2024, 600 AM, VA, HIGHLAND, MILL GAP, 1, SW, 38.31, -79.72, SNOW_24, 0.1, INCH, CO-OP OBSERVER, 24-HOURLY SNOWFALL,  
:12/20/2024, 700 AM, WV, GRANT, BAYARD, , , 39.27, -79.37, SNOW_24, 0.2, INCH, CO-OP OBSERVER, 24-HOURLY SNOWFALL,  
 

 
 
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