Union Bridge, MD

10:21 PM EST on February 11, 2012 (GMT -0500)
Elev: 525 ft
Lon: 77.2° W
Lat: 39.5° N
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Active Advisory: Wind Advisory (US Severe Weather) Active Notice: Public Information Statement
Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Kari Kiefer
Weather Underground midday recap for Saturday, February 11, 2012.

Cold air poured into the Plains on Saturday, while snow showers developed in parts of the Northeast. A strong low pressure system that brought heavy rain to the Southern Plains and Southeast has advanced eastward and off the East Coast into the Atlantic Ocean. However, counter-clockwise flow around this system continued to push moisture into the Northeast, Great Lakes, and Ohio River Valley. In addition to cool air over the region, this allowed for snow showers to develop across Michigan and the Ohio River Valley. Snowfall accumulations ranged from 1 to 3 inches in most areas, with up to 5 inches at higher elevations of the Central Appalachians. Coastal regions remained slightly warmer, which maintained light rain showers from southern Maine through Virginia.

Behind this system, a dominant ridge of high pressure continued to build over the Plains. This system started to stretch eastward over the Mississippi Valley. Flow around this system pulled cold air in from central Canada and kept seasonable cool temperatures over the Central US. High temperatures only reached into the 30s in parts of northern Texas, while the Central and Northern Plains saw highs in the teens, with overnight lows in the negative teens.

Out West, cool conditions persisted with areas of wet weather as a trough of low pressure moved over the Pacific Northwest and into the Intermountain West and Great Basin. Rainfall totals and high elevation snow accumulation remained light. A few light rain showers extended into California as moist onshore flow persisted.
Weather Underground midday recap for Saturday, February 11, 2012.

Cold air poured into the Plains on Saturday, while snow showers developed in parts of the Northeast. A strong low pressure system that brought heavy rain to the Southern Plains and Southeast has advanced eastward and off the East Coast into the Atlantic Ocean. However, counter-clockwise flow around this system continued to push moisture into the Northeast, Great Lakes, and Ohio River Valley. In addition to cool air over the region, this allowed for snow showers to develop across Michigan and the Ohio River Valley. Snowfall accumulations ranged from 1 to 3 inches in most areas, with up to 5 inches at higher elevations of the Central Appalachians. Coastal regions remained slightly warmer, which maintained light rain showers from southern Maine through Virginia.

Behind this system, a dominant ridge of high pressure continued to build over the Plains. This system started to stretch eastward over the Mississippi Valley. Flow around this system pulled cold air in from central Canada and kept seasonable cool temperatures over the Central US. High temperatures only reached into the 30s in parts of northern Texas, while the Central and Northern Plains saw highs in the teens, with overnight lows in the negative teens.

Out West, cool conditions persisted with areas of wet weather as a trough of low pressure moved over the Pacific Northwest and into the Intermountain West and Great Basin. Rainfall totals and high elevation snow accumulation remained light. A few light rain showers extended into California as moist onshore flow persisted.
Weather Underground Broadcast Network
Union Bridge Weather at a Glance
Updated 10:03 PM EST
Elevation
639 ft
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Now
Light Snow
Light Snow Freezing Fog
Temperature
20 °F
Feels Like 10 °F
Wind(mph)
8
Sunrise / Set
7:06 AM
5:40 PM
Moon
Waning Gibbous
Tonight
Chance of Snow 18 °F
Chance of Snow
20% chance of precipitation
Tomorrow
Partly Cloudy 32 °F
Partly Cloudy
Tomorrow Night
Clear 20 °F
Clear
Monday
Clear 38 | 25 °F
Clear
Tuesday
Chance of Rain 40 | 31 °F
Chance of Rain
20% chance of precipitation
Wednesday
Mostly Cloudy 45 | 29 °F
Mostly Cloudy
Tomorrow is forecast to be Cooler than today.
Conditions
Pressure
29.85 in
Visibility
0.5 miles
Clouds
Moisture
Humidity
90%
Rainfall
-
Not available.
Snow Depth
Not available.
METAR
METAR KRSP 120254Z AUTO 34017G39KT 1/2SM -SN FZFG VV012 M09/M12 A2972 RMK AO2 PK WND 33040/0157 SLP094 P0000 60000 T10941117 53021 $
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Weather Radio
Launch Weather Radio
Temperature
Windchill
10 °F
Dew Point
18 °F
Wind
Speed / Dir
8 mph from NW
Wind Gust
15.0 mph
Health
UV
Not available.
Pollen
.40 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Local Activity
View Flu Map
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Regional Forecast for Frederick
Rest of Tonight
nt_chancesnow Mostly cloudy with snow showers likely late this evening...then partly cloudy with a chance of snow showers. Snow accumulation around an inch. Windy with lows around 18. Northwest winds 25 to 30 mph...diminishing to 15 to 25 mph. Gusts up to 55 mph. Chance of snow 70 percent.
Sunday
partlycloudy Mostly sunny and blustery. Highs in the lower 30s. West winds 15 to 25 mph with gusts up to 45 mph.
Sunday Night
nt_sunny Mostly clear. Lows around 20. West winds 15 to 20 mph. Gusts up to 40 mph in the evening.
Monday
sunny Sunny. Highs in the upper 30s. West winds 10 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy in the evening...then becoming mostly cloudy. Lows in the upper 20s. West winds 5 to 10 mph.
Tuesday
cloudy Cloudy. Highs around 40.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Wednesday
cloudy Mostly cloudy. Highs in the mid 40s.
Wednesday Night
nt_cloudy Mostly cloudy. Lows around 30.
Thursday
snow Mostly cloudy with a chance of rain or snow showers. Highs in the upper 40s. Chance of precipitation 30 percent.
Thursday Night
nt_snow Mostly cloudy with a chance of rain or snow showers. Lows in the upper 30s. Chance of precipitation 40 percent.
Friday
partlysunny Partly sunny. Highs in the upper 40s.
Friday Night
nt_sunny Mostly clear. Lows in the lower 30s.
Saturday
partlycloudy Mostly sunny. Highs in the upper 40s.
Source: NWS at 9:30 PM EST on February 11, 2012
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Updated:  
 
 

 

Nowcast as of 8:56 PM EST on February 11, 2012
Light to moderate snow showers will slide south of the Mason-Dixon line over the next couple of hours...spreading light accumulations across north central and northeastern Maryland. Gusty winds of 30 to 40 mph...with occasional gusts to 50 mph will reduce visibilities and drop wind chill values into the teens and 20s tonight. A dusting to a half inch possible with this activity...especially along and north of the I-70 corridor.
Wind Advisory in effect until 7 am EST Sunday...
Forecast
View Calendar 7-Day Weather Forecast for 21791
Sunday, 12
Partly Cloudy
32 | 20 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 13
Clear
38 | 25 °F
Clear
Chance of
Precipitation
0%
Tuesday, 14
Chance of Rain
40 | 31 °F
Chance of Rain
Chance of
Precipitation
20%
Wednesday, 15
Mostly Cloudy
45 | 29 °F
Mostly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Chance Rain
47 | 38 °F
Chance Rain
Chance of
Precipitation
20%
Friday, 17
Chance of Rain
47 | 31 °F
Chance of Rain
Chance of
Precipitation
20%
Saturday, 18
Partly Cloudy
47 | NA
Partly Cloudy
Chance of
Precipitation
10%
Source: NWS at 9:30 PM EST on February 11, 2012
Regional Forecast for Frederick
Rest of Tonight
nt_chancesnow Mostly cloudy with snow showers likely late this evening...then partly cloudy with a chance of snow showers. Snow accumulation around an inch. Windy with lows around 18. Northwest winds 25 to 30 mph...diminishing to 15 to 25 mph. Gusts up to 55 mph. Chance of snow 70 percent.
Sunday
partlycloudy Mostly sunny and blustery. Highs in the lower 30s. West winds 15 to 25 mph with gusts up to 45 mph.
Sunday Night
nt_sunny Mostly clear. Lows around 20. West winds 15 to 20 mph. Gusts up to 40 mph in the evening.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 20 | 7 29 | 9 28 | 12 24 | 13
Wind 14 mph NW 19 mph WNW 16 mph WNW 12 mph WNW
Humidity 57% 41% 47% 64%
Chance of Precip. 20% 0% 0% 0%
Cloud Cover 28% 43% 25% 23%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
7:06 AM
5:40 PM
Source: NWS at 9:30 PM EST on February 11, 2012
Regional Forecast for Frederick
Monday
sunny Sunny. Highs in the upper 30s. West winds 10 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy in the evening...then becoming mostly cloudy. Lows in the upper 20s. West winds 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 13 34 | 14 35 | 16 30 | 16
Wind 8 mph West 13 mph WNW 8 mph West 5 mph West
Humidity 65% 44% 44% 57%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 22% 9% 7% 43%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
7:05 AM
5:41 PM
Source: NWS at 9:30 PM EST on February 11, 2012
Regional Forecast for Frederick
Tuesday
cloudy Cloudy. Highs around 40.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 28 | 20 37 | 26 37 | 29 34 | 29
Wind 1 mph West 4 mph ESE 2 mph South 0 mph South
Humidity 72% 64% 72% 80%
Chance of Precip. 10% 20% 20% 20%
Cloud Cover 71% 94% 88% 77%
Conditions Mostly Cloudy Overcast Chance of Rain Mostly Cloudy
Sunrise & Sunset
7:04 AM
5:42 PM
Source: NWS at 9:30 PM EST on February 11, 2012
Regional Forecast for Frederick
Wednesday
cloudy Mostly cloudy. Highs in the mid 40s.
Wednesday Night
nt_cloudy Mostly cloudy. Lows around 30.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 29 42 | 33 41 | 34 35 | 32
Wind 0 mph NE 1 mph North 0 mph NNW 0 mph NNE
Humidity 84% 73% 78% 90%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 85% 81% 81% 72%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
7:02 AM
5:43 PM
Source: NWS at 9:30 PM EST on February 11, 2012
Regional Forecast for Frederick
Thursday
snow Mostly cloudy with a chance of rain or snow showers. Highs in the upper 40s. Chance of precipitation 30 percent.
Thursday Night
nt_snow Mostly cloudy with a chance of rain or snow showers. Lows in the upper 30s. Chance of precipitation 40 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 29 43 | 35 43 | 38 41 | 40
Wind 1 mph NE 4 mph SE 5 mph South 4 mph South
Humidity 89% 73% 83% 85%
Chance of Precip. 10% 10% 30% 30%
Cloud Cover 41% 53% 92% 88%
Conditions Partly Cloudy Chance of Snow Chance of Rain Chance of Snow
Sunrise & Sunset
7:01 AM
5:44 PM
Source: NWS at 9:30 PM EST on February 11, 2012
Regional Forecast for Frederick
Friday
partlysunny Partly sunny. Highs in the upper 40s.
Friday Night
nt_sunny Mostly clear. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 38 | 35 44 | 30 41 | 27 35 | 25
Wind 5 mph SW 8 mph WNW 6 mph WNW 3 mph WNW
Humidity 85% 57% 58% 67%
Chance of Precip. 40% 40% 30% 30%
Cloud Cover 81% 58% 62% 24%
Conditions Chance of Snow Chance of Rain Chance of Rain Clear
Sunrise & Sunset
7:01 AM
5:44 PM
Source: NWS at 9:30 PM EST on February 11, 2012
Regional Forecast for Frederick
Saturday
partlycloudy Mostly sunny. Highs in the upper 40s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 23 43 | 25 41 | 27 35 | 25
Wind 2 mph WNW 5 mph WNW 4 mph WNW 3 mph WNW
Humidity 68% 48% 57% 67%
Chance of Precip. 10% 10% 10% 30%
Cloud Cover 24% 26% 34% 24%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
7:01 AM
5:44 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
Normal (KHGR) 41 °F 25 °F
Record (KHGR) 68 °F (2009) 9 °F (2008)
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
Feb. 11, 2012 Rise Set
Actual Time 7:06 AM EST 5:40 PM EST
Civil Twilight 6:38 AM EST 6:07 PM EST
Nautical Twilight 6:06 AM EST 6:39 PM EST
Astronomical Twilight 5:35 AM EST 7:10 PM EST
Moon 10:24 PM EST (2/11) 8:48 AM EST (2/11)
Length Of Visible Light 11h 29m
Length of Day
10h 33m
Tomorrow will be 2m 20s longer.
Waning Gibbous, 78% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Visit Astronomy
Today's Extremes
State Highs State Lows
45 °F
Salisbury
44 °F
Patuxent River
43 °F
Ocean City
42 °F
Maryland Science Center
41 °F
Baltimore
21 °F
Hagerstown
24 °F
Gaithersburg
28 °F
Easton
28 °F
Baltimore Martin
28 °F
Baltimore
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Westminster This station is not reporting.
Frederick This station is not reporting.
Thurmont 15 °F Light Snow Freezing Fog 9:54 PM EST
Fountain Dale 21 °F Light Snow 10:13 PM EST
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Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
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Type Condition
Flight Rule: LIFR (KRSP)
Wind Speed: 17.0 kts.
Wind Dir: 319° (NW)
Ceiling: Unlimited

METAR KRSP 120254Z AUTO 34017G39KT 1/2SM -SN FZFG VV012 M09/M12 A2972 RMK AO2 PK WND 33040/0157 SLP094 P0000 60000 T10941117 53021 $

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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Partly Cloudy, 63 °F
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 12, 2012 Mostly Cloudy, 45 °F
Northern Trust Open 8:30 AM PST on February 16, 2012 Clear, 63 °F
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
APRSWXNET Westminster MD U, Westminster, MD 20 °F 10 °F 18 °F 90% NW  at  8 mph 0.00 in / hr 639 ft 10:03 PM EST MADIS
Baust Church, Westminster, MD 22.6 °F 15 °F 13 °F 66% North  at  6.0 mph 0.00 in / hr 548 ft 10:01 PM EST Normal  
Carroll County, Taylorsville, MD 20.8 °F 8 °F 15 °F 79% West  at  13.0 mph 0.00 in / hr 833 ft 10:03 PM EST Normal  
taneytown, Taneytown, MD 23.0 °F 16 °F 16 °F 74% ENE  at  5.1 mph - / hr 564 ft 10:20 PM EST Normal  
APRSWXNET Frederick MA , New Market, MD 23 °F 15 °F 16 °F 73% NW  at  7 mph 0.00 in / hr 515 ft 10:01 PM EST MADIS
Winfield, Westminster, MD 20.3 °F 10 °F 16 °F 83% NNW  at  9.0 mph 0.00 in / hr 748 ft 10:19 PM EST Normal  
Avondale Run, Westminster, MD 23.3 °F 14 °F 16 °F 75% NNW  at  9.0 mph 0.00 in / hr 611 ft 9:35 PM EST Normal  
Taylorsville, Mt Airy, MD 21.4 °F 11 °F 13 °F 71% NW  at  9.8 mph 0.00 in / hr 802 ft 10:20 PM EST Normal
Walkersville, Walkersville, MD 23.3 °F 23 °F 16 °F 73% NNW  at  2.0 mph 0.00 in / hr 308 ft 10:11 PM EST Normal
Airy Estates, Mount Airy, MD 21.2 °F 9 °F 16 °F 79% WNW  at  11.5 mph 0.00 in / hr 670 ft 10:21 PM EST Rapid Fire  
Falling Green, Mount Airy, MD 21.3 °F 12 °F 16 °F 81% NW  at  8.0 mph 0.00 in / hr 685 ft 10:21 PM EST Rapid Fire  
Carroll Community College, Westminster, MD 19.5 °F 7 °F 15 °F 83% West  at  12.0 mph 0.00 in / hr 0 ft 10:21 PM EST Rapid Fire
Lake Linganore, New Market, MD 23.5 °F 17 °F 15 °F 68% SE  at  4.8 mph 0.00 in / hr 473 ft 9:59 PM EST Normal  
MDDOT MD-140 at MD-526, Westminster, MD 16 °F 1 °F 12 °F 82% SW  at  16 mph 0.14 in / hr 788 ft 10:02 PM EST MADIS
Conestoga Heights, Mt. Airy, MD 36.3 °F 34 °F 33 °F 88% NE  at  3.1 mph 0.00 in / hr 745 ft 10:21 PM EST Rapid Fire  
Bought The Farm, Thurmont, MD 20.2 °F 6 °F 15 °F 80% ENE  at  16.0 mph 0.00 in / hr 431 ft 10:19 PM EST Normal
Buckhorn, Berrett, MD 23.0 °F 16 °F 15 °F 71% West  at  5.8 mph 0.00 in / hr 660 ft 10:20 PM EST Rapid Fire  
Village Green, Woodbine, MD 21.8 °F 13 °F 13 °F 70% NNW  at  7.0 mph 0.00 in / hr 682 ft 10:18 PM EST Normal
Rt 97, Sykesville, MD 22.1 °F 9 °F 14 °F 72% NW  at  14.0 mph 0.00 in / hr 584 ft 10:07 PM EST Normal
MDDOT I-70 at Monacacy, Frederick, MD 24 °F 13 °F 12 °F 59% NW  at  12 mph 0.00 in / hr 319 ft 9:49 PM EST MADIS
Poplar Springs, Mount Airy, MD 22.1 °F 14 °F 14 °F 70% WNW  at  6.5 mph 0.00 in / hr 740 ft 10:21 PM EST Rapid Fire  
Green Valley, Monrovia, MD 24.0 °F 15 °F 19 °F 81% North  at  8.1 mph 0.00 in / hr 673 ft 10:20 PM EST Rapid Fire
Blacks Hilltop Orchard, Thurmont, MD 18.8 °F 4 °F 18 °F 96% NNE  at  17.3 mph 0.00 in / hr 815 ft 10:21 PM EST Rapid Fire
PA-97 & Bittle Rd., Littlestown, PA 20.6 °F 21 °F 12 °F 69% NNW  at  0.0 mph 0.00 in / hr 635 ft 10:21 PM EST Rapid Fire
APRSWXNET Westminster MD , Manchester, MD 20 °F 11 °F 18 °F 90% NW  at  7 mph 0.00 in / hr 721 ft 10:03 PM EST MADIS
Walnut Ridge, Frederick, MD 21.4 °F 6 °F 13 °F 70% NW  at  19.0 mph 0.00 in / hr 395 ft 10:21 PM EST Rapid Fire  
Hawk Ridge, Sykesville, MD 22.8 °F 11 °F 15 °F 71% WNW  at  13.0 mph 0.00 in / hr 561 ft 10:20 PM EST Normal  
Larriland Farm, Woodbine, MD 22.4 °F 9 °F 16 °F 76% WNW  at  16.0 mph 0.00 in / hr 200 ft 10:17 PM EST Normal
Lee's House, Sykesville, MD 22.9 °F 16 °F 14 °F 67% West  at  5.0 mph 0.00 in / hr 500 ft 10:20 PM EST Normal  
MDDOT Md 77 at Cactoctin St. Park, Thurmont, MD 17 °F 8 °F 12 °F 81% WNW  at  6 mph 0.20 in / hr 944 ft 9:49 PM EST MADIS
Villages of Urbana, Urbana, MD 23.9 °F 24 °F 1 °F 36% North  at  0.0 mph 0.00 in / hr 0 ft 10:19 PM EST Normal  
Browningsville, Damascus, MD 21.8 °F 12 °F 14 °F 73% WNW  at  8.0 mph 0.00 in / hr 600 ft 10:12 PM EST Normal  
Eldersburg, Eldersburg, MD 22.2 °F 16 °F 15 °F 74% North  at  5.0 mph 0.00 in / hr 571 ft 10:21 PM EST Normal  
Westminster, MD 19.0 °F 10 °F 10 °F 67% North  at  6.9 mph 0.00 in / hr 829 ft 10:18 PM EST Rapid Fire
Upperco, MD near Emory Church, Upperco, MD 20.1 °F 11 °F -1 °F 39% NW  at  7.4 mph 0.00 in / hr 750 ft 10:21 PM EST Rapid Fire  
APRSWXNET Frederick MD , Myersville, MD 15 °F 3 °F 12 °F 88% NW  at  10 mph 0.00 in / hr 1689 ft 10:03 PM EST MADIS
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Wind Advisory
Mobile & Email Alerts Statement as of 9:41 PM EST on February 11, 2012

... Wind Advisory remains in effect until 7 am EST Sunday...

* timing... overnight. Winds will begin to diminish toward dawn.

* Winds... northwest 20 to 30 mph with gusts up to 50 mph.

Precautionary/preparedness actions...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult... especially for high
profile vehicles. Use extra caution.





Public Information Statement
Mobile & Email Alerts Statement as of 9:25 PM EST on February 11, 2012

The following are unofficial observations taken during the past 30
hours for the storm that has been affecting our region. Appreciation
is extended to Highway departments... cooperative observers... Skywarn
spotters and media for these reports. This summary is also available
on our home Page at weather.Gov/Baltimore

********************storm total snowfall********************

Location storm total time/date comments
                     snowfall of
                     /inches/ measurement

Maryland

... Allegany County...
   1 NNW Frostburg 1.2 542 PM 2/11 co-op observer
   Frostburg 0.5 941 PM 2/10 trained spotter

... Anne Arundel County...
   Severn 0.3 700 am 2/11 trained spotter
   BWI Airport T 100 PM 2/11 Airport

... Baltimore County...
   2 NW Long Green 1.8 851 am 2/11 trained spotter
   1 ESE Glyndon 1.6 901 am 2/11 trained spotter
   1 E Oella 1.0 715 am 2/11 trained spotter
   1 se Garrison 1.0 900 am 2/11 trained spotter
   1 NE Kingsville 0.8 600 am 2/11 trained spotter
   Hunt Valley 0.5 800 am 2/11 broadcast media

... Baltimore City...
   Pimlico 0.5 848 am 2/11 trained spotter

... Carroll County...
   4 NE Millers 1.2 245 am 2/11 co-op observer
   1 W Westminster 1.0 700 am 2/11 public

... Howard County...
   2 N Columbia 1.0 700 am 2/11 trained spotter
   1 SSE Simpsonville 1.0 615 am 2/11 trained spotter

... Montgomery County...
   5 N Laytonsville 2.5 400 PM 2/11 broadcast media
   2 WSW Damascus 0.9 155 am 2/11 co-op observer
   3 E Clarksburg 0.7 902 am 2/11 trained spotter

... Washington County...
   1 WSW Cavetown 1.5 359 PM 2/11 trained spotter

Virginia

... Arlington County...
   Reagan National airp T 100 PM 2/11 Airport

... City of Winchester...
   2 S Winchester 1.0 345 am 2/11 trained spotter

... Clarke County...
   1 NNW Berryville 0.6 735 PM 2/11 trained spotter

... Fairfax County...
   1 NNE Herndon 0.6 700 am 2/11 NWS employee
   1 E Oakton 0.5 600 am 2/11 trained spotter

... Fauquier County...
   Warrenton 0.1 245 PM 2/11 NWS employee

... Frederick County...
   2 ESE Stephens City 0.6 415 am 2/11 trained spotter

... King George County...
   King George 0.3 430 PM 2/11 trained spotter

... Loudoun County...
   1 NNE Dulles interna 1.0 700 PM 2/11 ASOS
   Countryside 0.7 244 PM 2/11 NWS employee
   3 NNW Dulles interna 0.6 235 PM 2/11 NWS employee
   Leesburg 0.6 300 am 2/11 public
   Dulles international 0.6 235 PM 2/11 Airport
   3 NW Dulles internat 0.4 500 am 2/11 NWS office

... Prince William County...
   3 NNW Woolsey 1.1 859 am 2/11 trained spotter

... Warren County...
   2 N Linden 1.1 858 am 2/11 trained spotter
   1 WSW Karo 0.5 700 am 2/11 trained spotter

West Virginia

... Berkeley County...
   1 WNW Bunker Hill 1.2 233 PM 2/11 cocorahs

... Grant County...
   Bayard 7.1 720 PM 2/11 co-op observer
   1 E Bismarck 0.1 550 PM 2/11 public

... Hampshire County...
   Romney T 510 PM 2/10 public

... Jefferson County...
   1 ENE Charles Town 1.0 147 PM 2/11 trained spotter

... Pendleton County...
   6 WSW Cherry Grove 5.0 541 PM 2/11 trained spotter
   2 S Seneca Rocks 0.5 600 PM 2/11 public


**********************24 hour snowfall**********************

Location 24 hour time/date comments
                     snowfall of
                     /inches/ measurement

Maryland

... Allegany County...
   Frostburg 0.8 700 am 2/11 co-op observer
   1 SSE Cresaptown-Bel 0.2 700 am 2/11 cocorahs
   1 S Cumberland T 700 am 2/11 co-op observer

... Anne Arundel County...
   3 SSW South Gate 1.2 800 am 2/11 cocorahs
   3 NE Churchton/river 1.0 600 am 2/11 co-op observer
   2 W Severn 1.0 700 am 2/11 cocorahs
   BWI Airport 0.5 700 am 2/11 Airport
   3 E Laurel 0.5 700 am 2/11 cocorahs
   3 ESE Pasadena 0.5 800 am 2/11 cocorahs
   2 ENE Deale 0.4 700 am 2/11 cocorahs
   2 SSW Severn 0.3 900 am 2/11 cocorahs

... Baltimore County...
   NE Reisterstown 1.1 700 am 2/11 cocorahs
   1 SW Long Green 1.0 700 am 2/11 cocorahs
   1 SW Towson 1.0 830 am 2/11 cocorahs
   2 WNW Catonsville 1.0 700 am 2/11 cocorahs
   4 N Cockeysville 0.9 900 am 2/11 cocorahs
   1 SW Jacksonville 0.8 800 am 2/11 cocorahs
   1 E Kingsville 0.4 700 am 2/11 cocorahs

... Calvert County...
   6 E Marlton 0.2 800 am 2/11 cocorahs

... Carroll County...
   se Mount Airy 1.6 700 am 2/11 cocorahs
   1 W Westminster 1.3 700 am 2/11 cocorahs
   4 NE Taneytown 1.0 700 am 2/11 cocorahs
   3 NW Sykesville 1.0 730 am 2/11 cocorahs
   3 NE Taneytown 1.0 700 am 2/11 cocorahs

... Frederick County...
   3 NNW New Market 0.8 900 am 2/11 cocorahs
   1 SSE Thurmont 0.5 700 am 2/11 cocorahs
   4 SSW Frederick 0.3 700 am 2/11 cocorahs
   2 se Emmitsburg T 930 am 2/11 co-op observer

... Harford County...
   1 N Jarrettsville 2.0 800 am 2/11 cocorahs
   3 NNE Kingsville 1.0 700 am 2/11 cocorahs
   2 W Bel Air 1.0 730 am 2/11 cocorahs

... Howard County...
   2 SSE Sykesville 1.8 700 am 2/11 cocorahs
   2 W Elkridge 1.0 700 am 2/11 cocorahs
   3 NW Columbia 1.0 730 am 2/11 cocorahs
   2 N Columbia 1.0 700 am 2/11 cocorahs
   1 se Clarksville 0.9 800 am 2/11 cocorahs
   1 E Columbia 0.3 700 am 2/11 cocorahs

... Montgomery County...
   Brighton dam 2.2 900 am 2/11 co-op observer
   3 SW Gaithersburg 0.9 700 am 2/11 cocorahs
   3 NE Gaithersburg 0.8 700 am 2/11 cocorahs
   1 se Olney 0.7 700 am 2/11 cocorahs
   2 W Colesville 0.7 715 am 2/11 cocorahs
   5 NNE Germantown 0.7 700 am 2/11 cocorahs
   se Poolesville 0.5 800 am 2/11 cocorahs
   1 ESE Rossmoor 0.5 700 am 2/11 cocorahs
   1 ESE Norbeck 0.4 700 am 2/11 cocorahs
   7 N Silver Spring 0.4 700 am 2/11 cocorahs
   1 NNW Takoma Park 0.3 730 am 2/11 cocorahs
   1 N White Oak 0.2 700 am 2/11 cocorahs
   1 NE Wheaton-glenmon 0.2 700 am 2/11 cocorahs
   3 SSW Damascus T 1000 PM 2/10 co-op observer

... Prince Georges County...
   7 ESE Brandywine 0.2 800 am 2/11 cocorahs
   1 E Bowie 0.2 800 am 2/11 cocorahs
   ESE Camp Springs 0.2 800 am 2/11 cocorahs
   1 se Oxon Hill 0.1 745 am 2/11 co-op observer
   1 W Oxon Hill 0.1 745 am 2/11 cocorahs
   2 se Forest Heights 0.1 745 am 2/11 cocorahs

... St. Marys County...
   5 NE Mechanicsville T 700 am 2/11 co-op observer

... Washington County...
   3 NNE Smithsburg 1.6 700 am 2/11 cocorahs
   2 ESE Williamsport 0.7 700 am 2/11 cocorahs
   Williamsport 0.5 600 am 2/11 co-op observer

Virginia

... Arlington County...
   Reagan National airp T 652 am 2/11 Airport

... Clarke County...
   ESE Berryville 0.7 800 am 2/11 cocorahs
   1 NNW Berryville 0.6 800 am 2/11 cocorahs

... Culpeper County...
   3 N Rixeyville 0.2 700 am 2/11 cocorahs
   6 N Rixeyville 0.1 800 am 2/11 cocorahs

... Fairfax County...
   3 NE Vienna 0.5 700 am 2/11 co-op observer
   3 N Vienna 0.4 700 am 2/11 cocorahs
   1 W Vienna 0.2 730 am 2/11 cocorahs
   3 S Herndon 0.2 700 am 2/11 cocorahs
   4 W Fairfax 0.2 700 am 2/11 cocorahs
   2 SSE McLean 0.2 700 am 2/11 cocorahs
   2 S McLean 0.1 700 am 2/11 cocorahs

... Fauquier County...
   Marshall 0.8 845 am 2/11 trained spotter
   3 SSW Broad Run 0.5 800 am 2/11 cocorahs

... Frederick County...
   N Winchester radio 1.4 700 am 2/11 co-op observer
   9 NW Winchester 1.2 1000 am 2/11 cocorahs
   5 NE Winchester 0.8 700 am 2/11 cocorahs
   2 E Stephens City 0.6 700 am 2/11 cocorahs
   se Middletown 0.6 800 am 2/11 cocorahs
   7 se Winchester 0.1 700 am 2/11 co-op observer

... Highland County...
   1 SW Mill Gap 1.0 530 am 2/11 co-op observer

... Loudoun County...
   Mount Weather 1.0 700 am 2/11 co-op observer
   4 NNW Sterling 0.7 700 am 2/11 cocorahs
   3 WSW Round Hill 0.7 800 am 2/11 cocorahs
   Dulles international 0.4 700 am 2/11 Airport
   Sterling rcs 0.4 700 am 2/11 co-op observer

... Madison County...
   Haywood T 700 am 2/11 co-op observer

... Shenandoah County...
   2 NE Woodstock 0.6 700 am 2/11 co-op observer
   4 N Strasburg 0.4 700 am 2/11 cocorahs
   Edinburg 0.4 700 am 2/11 co-op observer

... Warren County...
   Front Royal 0.5 600 am 2/11 co-op observer

West Virginia

... Berkeley County...
   2 NW Falling Waters 1.0 700 am 2/11 cocorahs
   1 WNW Bunker Hill 1.0 700 am 2/11 cocorahs
   1 W Martinsburg T 730 am 2/11 co-op observer

... Grant County...
   Bayard 1.5 700 am 2/11 co-op observer

... Hampshire County...
   2 ESE Springfield 0.1 615 am 2/11 cocorahs

... Hardy County...
   2 se Lost River 0.7 800 am 2/11 co-op observer

... Mineral County...
   3 ESE Keyser 0.5 700 am 2/11 cocorahs
   2 SSW Keyser 0.3 700 am 2/11 co-op observer


***********************peak wind gust***********************

Location Max wind time/date comments
                        gust of
                         mph measurement

Maryland

... Anz537...
   2 WSW Piney Point 53 712 PM 2/11 mesonet
   2 se Cobb Island 47 705 PM 2/11 buoy

... Baltimore County...
   1 WSW Arbutus 46 713 PM 2/11 mesonet

... Frederick County...
   2 SW Flint 53 709 PM 2/11 AWOS
   1 ENE ballenger cree 46 545 PM 2/11 mesonet

... Montgomery County...
   2 se Gaithersburg 46 750 PM 2/11 mesonet

... St. Marys County...
   2 ENE Patuxent River 45 436 PM 2/11 AWOS
   Point Lookout 42 805 PM 2/11 buoy

... Washington County...
   1 E Hagerstown 46 345 PM 2/11 mesonet

Virginia

... Arlington County...
   1 S Reagan National 44 307 PM 2/11 ASOS

... Augusta County...
   3 WSW Moscow 46 230 PM 2/11 mesonet

... Fairfax County...
   1 ESE Newington 43 447 PM 2/11 AWOS

... King George County...
   3 NE Dahlgren 48 612 PM 2/11 mesonet

... Loudoun County...
   1 NNE Dulles interna 49 722 PM 2/11 ASOS
   2 ENE Lovettsville 47 718 PM 2/11 mesonet

West Virginia

... Jefferson County...
   Shepherdstown 35 140 PM 2/11 trained spotter


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