Brentwood, MD

11:10 PM EST on February 11, 2012 (GMT -0500)
Elev: 46 ft
Lon: 77.0° W
Lat: 38.9° N
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Active Advisory: Wind Advisory,  Special Statement (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
Brentwood Weather at a Glance
Updated 11:10 PM EST
Weather Station - report
Riverdale Park, Riverdale
Elevation
122 ft
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Now
Light Snow
Light Snow
Temperature
22.6 °F
Feels Like 10 °F
Wind(mph)
15.0
Sunrise / Set
7:04 AM
5:40 PM
Moon
Waning Gibbous
Tonight
Partly Cloudy 20 °F
Partly Cloudy
Tomorrow
Partly Cloudy 34 °F
Partly Cloudy
Tomorrow Night
Clear 25 °F
Clear
Monday
Clear 41 | 31 °F
Clear
Tuesday
Chance of Rain 43 | 34 °F
Chance of Rain
20% chance of precipitation
Wednesday
Mostly Cloudy 50 | 32 °F
Mostly Cloudy
Tomorrow is forecast to be Cooler than today.
Conditions
Pressure
29.94 in
Visibility
4.0 miles
Clouds
Few 2700 ft
Mostly Cloudy 3400 ft
Overcast 4300 ft
Moisture
Humidity
81%
Rainfall
0.13 in
Snow Depth
Not available.
METAR
SPECI KDCA 120356Z 31019G25KT 4SM -SN FEW027 BKN034 OVC043 M04/M09 A2988 RMK AO2 P0000 $
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Weather Radio
Launch Weather Radio
Temperature
Windchill
10 °F
Dew Point
18 °F
Wind
Speed / Dir
15.0 mph from NNW
Wind Gust
33.0 mph
Health
UV
0 out of 16
Pollen
.50 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Local Activity
View Flu Map
Loading…
Regional Forecast for Prince Georges
Rest of Tonight
nt_chancesnow Snow showers likely. Snow accumulation around an inch. Windy with lows in the lower 20s. Northwest winds 20 to 30 mph with gusts up to 50 mph. Chance of snow 70 percent.
Sunday
partlycloudy Mostly sunny and blustery. Highs in the mid 30s. Northwest winds 15 to 25 mph with gusts up to 45 mph.
Sunday Night
nt_sunny Mostly clear. Lows in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 35 mph...becoming west 5 to 10 mph with gusts up to 25 mph after midnight.
Monday
sunny Sunny. Highs in the lower 40s. West winds 5 to 10 mph.
Monday Night
nt_partlycloudy Partly cloudy in the evening...then becoming mostly cloudy. Lows in the lower 30s. West winds around 5 mph...becoming northwest around 5 mph after midnight.
Tuesday
cloudy Cloudy. Highs in the mid 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the mid 30s.
Wednesday
partlysunny Partly sunny. Highs in the lower 50s.
Wednesday Night
nt_partlycloudy Partly cloudy. Lows in the lower 30s.
Thursday
cloudy Mostly cloudy. Highs in the lower 50s.
Thursday Night
nt_chancerain Mostly cloudy with a 30 percent chance of showers. Lows in the lower 40s.
Friday
partlycloudy Mostly sunny. Highs in the lower 50s.
Friday Night
nt_sunny Mostly clear. Lows in the mid 30s.
Saturday
partlycloudy Mostly sunny. Highs in the lower 50s.
Source: NWS at 10:22 PM EST on February 11, 2012
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Updated:  
 
 

 

Nowcast as of 10:49 PM EST on February 11, 2012
Light snow showers will continue across north central and northeastern Maryland...the northern Shenandoah Valley...and the Washington DC metropolitan area through midnight. The snow will be tapering off along the Pennsylvania border...after leaving behind a quarter to half inch of fresh snow. Gusty winds of 30 to 40 mph...with occasional gusts to 50 mph will temporarily reduce visibilities in the heavier snow showers. Wind chill values will also drop well into the teens and 20s.
Wind Advisory in effect until 7 am EST Sunday...
Forecast
View Calendar 7-Day Weather Forecast for 20722
Sunday, 12
Partly Cloudy
34 | 25 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 13
Clear
41 | 31 °F
Clear
Chance of
Precipitation
0%
Tuesday, 14
Chance of Rain
43 | 34 °F
Chance of Rain
Chance of
Precipitation
20%
Wednesday, 15
Mostly Cloudy
50 | 32 °F
Mostly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Chance of Rain
52 | 41 °F
Chance of Rain
Chance of
Precipitation
20%
Friday, 17
Chance of Rain
50 | 34 °F
Chance of Rain
Chance of
Precipitation
20%
Saturday, 18
Partly Cloudy
50 | NA
Partly Cloudy
Chance of
Precipitation
10%
Source: NWS at 10:22 PM EST on February 11, 2012
Regional Forecast for Prince Georges
Rest of Tonight
nt_chancesnow Snow showers likely. Snow accumulation around an inch. Windy with lows in the lower 20s. Northwest winds 20 to 30 mph with gusts up to 50 mph. Chance of snow 70 percent.
Sunday
partlycloudy Mostly sunny and blustery. Highs in the mid 30s. Northwest winds 15 to 25 mph with gusts up to 45 mph.
Sunday Night
nt_sunny Mostly clear. Lows in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 35 mph...becoming west 5 to 10 mph with gusts up to 25 mph after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 7 31 | 8 32 | 11 28 | 14
Wind 17 mph NNW 20 mph WNW 16 mph WNW 10 mph WNW
Humidity 50% 36% 42% 55%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 24% 31% 25% 15%
Conditions Clear Partly Cloudy Clear Clear
Sunrise & Sunset
7:04 AM
5:40 PM
Source: NWS at 10:22 PM EST on February 11, 2012
Regional Forecast for Prince Georges
Monday
sunny Sunny. Highs in the lower 40s. West winds 5 to 10 mph.
Monday Night
nt_partlycloudy Partly cloudy in the evening...then becoming mostly cloudy. Lows in the lower 30s. West winds around 5 mph...becoming northwest around 5 mph after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 27 | 13 38 | 14 39 | 17 35 | 18
Wind 6 mph West 8 mph West 5 mph West 1 mph WSW
Humidity 58% 38% 40% 52%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 10% 4% 7% 41%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
7:03 AM
5:41 PM
Source: NWS at 10:22 PM EST on February 11, 2012
Regional Forecast for Prince Georges
Tuesday
cloudy Cloudy. Highs in the mid 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the mid 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 21 40 | 26 41 | 30 37 | 31
Wind 0 mph NNW 5 mph South 3 mph South 0 mph South
Humidity 62% 57% 68% 77%
Chance of Precip. 10% 20% 20% 20%
Cloud Cover 71% 92% 85% 70%
Conditions Mostly Cloudy Overcast Chance of Rain Mostly Cloudy
Sunrise & Sunset
7:02 AM
5:42 PM
Source: NWS at 10:22 PM EST on February 11, 2012
Regional Forecast for Prince Georges
Wednesday
partlysunny Partly sunny. Highs in the lower 50s.
Wednesday Night
nt_partlycloudy Partly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 36 | 31 47 | 34 44 | 36 39 | 33
Wind 0 mph NE 3 mph North 2 mph NNW 2 mph NNE
Humidity 84% 63% 71% 81%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 83% 70% 70% 65%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
7:00 AM
5:43 PM
Source: NWS at 10:22 PM EST on February 11, 2012
Regional Forecast for Prince Georges
Thursday
cloudy Mostly cloudy. Highs in the lower 50s.
Thursday Night
nt_chancerain Mostly cloudy with a 30 percent chance of showers. Lows in the lower 40s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 36 | 31 47 | 35 47 | 39 45 | 43
Wind 2 mph ENE 5 mph East 5 mph South 4 mph South
Humidity 81% 64% 74% 93%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 32% 52% 92% 85%
Conditions Partly Cloudy Partly Cloudy Chance of Rain Chance of Rain
Sunrise & Sunset
6:59 AM
5:44 PM
Source: NWS at 10:22 PM EST on February 11, 2012
Regional Forecast for Prince Georges
Friday
partlycloudy Mostly sunny. Highs in the lower 50s.
Friday Night
nt_sunny Mostly clear. Lows in the mid 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 39 48 | 32 44 | 29 39 | 27
Wind 6 mph SW 9 mph WNW 7 mph WNW 4 mph WNW
Humidity 87% 53% 54% 63%
Chance of Precip. 30% 30% 30% 30%
Cloud Cover 77% 46% 45% 23%
Conditions Chance of Rain Chance of Rain Chance of Rain Clear
Sunrise & Sunset
6:59 AM
5:44 PM
Source: NWS at 10:22 PM EST on February 11, 2012
Regional Forecast for Prince Georges
Saturday
partlycloudy Mostly sunny. Highs in the lower 50s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 36 | 25 47 | 25 44 | 28 39 | 27
Wind 4 mph WNW 7 mph WNW 5 mph WNW 4 mph WNW
Humidity 66% 44% 54% 63%
Chance of Precip. 10% 10% 10% 30%
Cloud Cover 23% 24% 33% 23%
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
6:59 AM
5:44 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 11, 2012 Max Temp Min Temp
Normal (KDCA) 46 °F 30 °F
Record (KDCA) 76 °F (1932) -15 °F (1899)
Yesterday 47 °F 33 °F
Yesterday's Heating Degree Days: 25
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
Coastal Water Temperatures
Place Temperature
Washington, DC 43.0 °F
Baltimore, MD 43.0 °F
Solomons Island, MD 43.0 °F
Marine Forecast
Astronomy
Feb. 11, 2012 Rise Set
Actual Time 7:04 AM EST 5:40 PM EST
Civil Twilight 6:36 AM EST 6:07 PM EST
Nautical Twilight 6:05 AM EST 6:39 PM EST
Astronomical Twilight 5:34 AM EST 7:10 PM EST
Moon 10:22 PM EST (2/11) 8:48 AM EST (2/11)
Length Of Visible Light 11h 30m
Length of Day
10h 35m
Tomorrow will be 2m 17s 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
College Park This station is not reporting.
Washington 25 °F Light Snow 10:56 PM EST
Andrews AFB 25 °F Light Snow 11:00 PM EST
Fort Meade This station is not reporting.
View all Aviation Tools
Flight To ETA Status
DAL1438
Atlanta, GA 		KDCA 11:06PM On Time
TRS182
Atlanta, GA 		KDCA 11:31PM On Time
AWE1780
Charlotte, NC 		KDCA 11:42PM On Time
AAL1012
Miami, FL 		KDCA 12:09AM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: MVFR (KDCA)
Wind Speed: 19.0 kts.
Wind Dir: 335° (NNW)
Ceiling: 3400 ft

SPECI KDCA 120356Z 31019G25KT 4SM -SN FEW027 BKN034 OVC043 M04/M09 A2988 RMK AO2 P0000 $

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Nearby Events
Event Date Forecast
DC9 8 Year Anniversary ft. STAR SLINGER 11:00 PM EST 2012-02-11 Chance of Snow, 28°F
J.P. McDermott Trio 9:00 PM EST 2012-02-11 Chance of Snow, 29°F
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
AT&T National 8:30 AM EDT on June 28, 2012 Average High 86° F/ 29° C
AT&T National 8:30 AM EDT on June 29, 2012 Average High 87° F/ 30° C
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Riverdale Park, Riverdale, MD 22.6 °F 10 °F 18 °F 81% NNW  at  15.0 mph 0.00 in / hr 122 ft 11:10 PM EST Rapid Fire
Elm & Larch, SOSCA, Takoma Park, MD 23.3 °F 23 °F 18 °F 81% SW  at  1.0 mph 0.00 in / hr 175 ft 11:10 PM EST Rapid Fire
Eckington Pl, NE, Washington, DC 24.1 °F 12 °F 17 °F 75% North  at  14.0 mph 0.00 in / hr 90 ft 11:10 PM EST Normal  
Near Northeast - H Street Corridor, Washington, DC 24.7 °F 14 °F 18 °F 74% North  at  11.0 mph 0.00 in / hr 56 ft 11:02 PM EST Normal  
DCNet DC Municipal Building Washington D, Washington, DC 23 °F 9 °F 13 °F 65% NW  at  19 mph 0.00 in / hr 304 ft 10:45 PM EST MADIS
Hollywood, College Park, MD 23.8 °F 17 °F 18 °F 80% NW  at  5.8 mph 0.00 in / hr 105 ft 11:10 PM EST Rapid Fire
DCNet Hoover Building Washington DC, Washington, DC 26 °F 12 °F 13 °F 57% NW  at  19 mph 0.00 in / hr 231 ft 10:30 PM EST MADIS
SW Washington, Washington, DC 24.8 °F 12 °F 18 °F 74% NW  at  17.0 mph 0.00 in / hr 22 ft 11:08 PM EST Normal  
NOS_PORTS Washington, DC, Washington, DC 26 °F 11 °F - - NW  at  24 mph 0.00 in / hr 0 ft 10:36 PM EST MADIS
Boxwood Village, Greenbelt, MD 23.4 °F 18 °F 17 °F 77% North  at  3.8 mph 0.00 in / hr 249 ft 11:09 PM EST Rapid Fire  
APRSWXNET Silver Spring MD , Silver Spring, MD 24 °F 24 °F 17 °F 73% West  at  2 mph 0.00 in / hr 347 ft 10:45 PM EST MADIS
VADOT Rt_66_@_Rosslyn, Arlington, VA 26 °F 10 °F 11 °F 54% SSE  at  27 mph 0.00 in / hr 132 ft 10:21 PM EST MADIS
DDMET Greenbelt, MD, Lanham, MD 25 °F 25 °F 16 °F 67% North  at  - 0.00 in / hr 285 ft 10:28 PM EST MADIS
Ward Circle, Washington, DC 22.3 °F 12 °F 16 °F 78% NNW  at  10.0 mph 0.00 in / hr 397 ft 11:09 PM EST Normal
High Point Homes, Beltsville, MD 21.8 °F 22 °F 18 °F 84% NNW  at  3.0 mph 0.00 in / hr 230 ft 11:10 PM EST Rapid Fire
Kemp Mill/Silver Spring, Silver Spring, MD 21.3 °F 21 °F 18 °F 86% West  at  3.0 mph 0.00 in / hr 400 ft 11:09 PM EST Rapid Fire
Kemp Mill, Silver Spring, MD 21.4 °F 16 °F 18 °F 87% SW  at  3.8 mph 0.00 in / hr 270 ft 11:09 PM EST Rapid Fire  
Somerset, Chevy Chase, MD 22.6 °F 16 °F 16 °F 77% WNW  at  5.0 mph 0.00 in / hr 330 ft 11:10 PM EST Normal
Bethesda, Bethesda, MD 25.4 °F 25 °F 19 °F 77% North  at  0.0 mph 0.00 in / hr 236 ft 11:10 PM EST Rapid Fire  
Palisades, Washington, DC 23.4 °F 16 °F 4 °F 43% WSW  at  6.0 mph 0.00 in / hr 211 ft 11:08 PM EST Normal  
Wheaton, Silver Spring, MD 23.6 °F 15 °F 15 °F 69% North  at  7.8 mph 0.00 in / hr 350 ft 11:10 PM EST Rapid Fire  
Kensington, Kensington, MD 22.3 °F 22 °F 19 °F 84% South  at  0.0 mph 0.00 in / hr 381 ft 11:10 PM EST Normal  
MDDOT I-495 @ Connecticut Ave, Bethesda, MD 24 °F 24 °F 13 °F 65% SW  at  0 mph 0.00 in / hr 230 ft 10:51 PM EST MADIS
Camp Springs, MD, Camp Springs, MD 23.3 °F 11 °F 14 °F 67% NNW  at  13.0 mph 0.00 in / hr 282 ft 11:00 PM EST Normal  
Calverton, Silver Spring, MD 26.1 °F 13 °F 24 °F 90% NW  at  17.0 mph 0.00 in / hr 330 ft 11:10 PM EST Rapid Fire
Cherrydale, Arlington, VA 21.7 °F 13 °F 18 °F 84% NW  at  7.0 mph 0.00 in / hr 265 ft 11:05 PM EST Normal  
Ashton Heights, Arlington, VA 23.0 °F 17 °F 19 °F 85% NW  at  4.5 mph 0.00 in / hr 302 ft 11:00 PM EST Normal
DCNet Naval Research Laboratory Washingt, Washington, DC 23 °F 8 °F 11 °F 60% NW  at  20 mph 0.00 in / hr 119 ft 10:45 PM EST MADIS
North Springbrook, Colesville, MD 21.0 °F 11 °F 20 °F 98% WNW  at  9.0 mph 0.00 in / hr 315 ft 11:06 PM EST Rapid Fire  
Northridge, Bowie, MD 24.7 °F 25 °F 19 °F 80% NE  at  0.0 mph - / hr 157 ft 10:56 PM EST Normal  
Ashton Heights, Arlington, VA 22.3 °F 22 °F 16 °F 76% SW  at  2.0 mph 0.00 in / hr 258 ft 11:00 PM EST Normal  
Del Ray, Alexandria, VA 23.8 °F 15 °F 17 °F 75% West  at  8.0 mph - / hr 24 ft 10:59 PM EST Normal
Alexandria, VA, Alexandria, VA 24.7 °F 25 °F 16 °F 70% NNE  at  2.5 mph 0.00 in / hr 174 ft 11:10 PM EST Rapid Fire
Old Town North, Alexandria, VA 23.5 °F 24 °F 16 °F 73% North  at  0.0 mph 0.00 in / hr 18 ft 11:05 PM EST Normal  
Snowden Pond at Montpelier, Laurel, MD 23.0 °F 23 °F 17 °F 77% NW  at  2.0 mph - / hr 200 ft 10:59 PM EST Normal  
Douglas Park, Arlington, VA 21.1 °F 14 °F 15 °F 76% NW  at  5.0 mph 0.00 in / hr 183 ft 11:08 PM EST Rapid Fire
APRSWXNET Douglas Park VA , Arlington, VA 22 °F 11 °F 14 °F 71% NW  at  11 mph 0.00 in / hr 183 ft 10:48 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.





Special Statement
Mobile & Email Alerts Statement as of 11:04 PM EST on February 11, 2012

... One last round of snow showers tonight...

An upper level disturbance will be pivoting through the Baltimore
Washington area overnight... providing snow to the region. The snow
will be ending across northern Maryland by midnight... affecting
Metro Washington and the northern Shenandoah Valley through 1am...
and reaching southern Maryland and the northern Piedmont of Virginia
between midnight and 2 am.

Look for a quick inch of snow with this disturbance. Roads may be
snow covered and slick if left untreated. Motorists should
exercise caution on the roads tonight.


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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