Centreville, VA

3:12 PM EST on February 11, 2012 (GMT -0500)
Elev: 236 ft
Lon: 77.5° 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 Forecast for Saturday, February 11, 2012.

Precipitation will spread across the East Coast on Saturday, while more rain and mountain snow showers are anticipated for parts of the West. A trough of low pressure and associated cold front continue moving eastward across the Eastern Valleys into the Eastern Seaboard. Cool temperatures to the north will allow for snow showers to develop across the Northeast and New England, while rain showers are likely over the Mid-Atlantic states. Rain showers over the Southeastern states should wind down in the early morning hours as the tail end of the system pushes offshore early in the day. Expect the New York metropolitan area to see 1 to 3 inches of snow, while the Washington D.C. area will see a messy combination of snow and freezing rain as high temperatures reach into the lower 40s.

Behind this system, a ridge of high pressure continues to build in from the Plains, pushing cold and dry air in from Canada. This allows for plenty of sunshine to spread from the Plains over the Mississippi River Valley and into the Eastern Valleys. Expect the Northern Plains and Upper Midwest to see highs in the teens again, while the Midwest will see highs in the 20s. Strong winds will accompany this system, pushing windchill values below zero in these areas. The Southern Plains will remain in the 40s on Saturday.

Out West, a trough of low pressure pushes a cold front over the Pacific Northwest and continues pulling moisture onshore with it. This will kick up more rain showers with high elevation snow showers likely in the Cascades. The tail end of the frontal boundary will sweep through California, bringing light rain showers to the coasts and interior valleys. Expect light snow showers in the Sierra Nevadas by Saturday evening.
Weather Underground Forecast for Saturday, February 11, 2012.

Precipitation will spread across the East Coast on Saturday, while more rain and mountain snow showers are anticipated for parts of the West. A trough of low pressure and associated cold front continue moving eastward across the Eastern Valleys into the Eastern Seaboard. Cool temperatures to the north will allow for snow showers to develop across the Northeast and New England, while rain showers are likely over the Mid-Atlantic states. Rain showers over the Southeastern states should wind down in the early morning hours as the tail end of the system pushes offshore early in the day. Expect the New York metropolitan area to see 1 to 3 inches of snow, while the Washington D.C. area will see a messy combination of snow and freezing rain as high temperatures reach into the lower 40s.

Behind this system, a ridge of high pressure continues to build in from the Plains, pushing cold and dry air in from Canada. This allows for plenty of sunshine to spread from the Plains over the Mississippi River Valley and into the Eastern Valleys. Expect the Northern Plains and Upper Midwest to see highs in the teens again, while the Midwest will see highs in the 20s. Strong winds will accompany this system, pushing windchill values below zero in these areas. The Southern Plains will remain in the 40s on Saturday.

Out West, a trough of low pressure pushes a cold front over the Pacific Northwest and continues pulling moisture onshore with it. This will kick up more rain showers with high elevation snow showers likely in the Cascades. The tail end of the frontal boundary will sweep through California, bringing light rain showers to the coasts and interior valleys. Expect light snow showers in the Sierra Nevadas by Saturday evening.
Weather Underground Broadcast Network
Centreville Weather at a Glance
Updated 3:12 PM EST
Elevation
262 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
37.3 °F
Feels Like 34 °F
Wind(mph)
4.0
Sunrise / Set
7:06 AM
5:42 PM
Moon
Waning Gibbous
Today
Snow Showers 42 °F
Snow Showers
50% chance of precipitation
Tonight
Chance of Snow 22 °F
Chance of Snow
20% chance of precipitation
Tomorrow
Partly Cloudy 34 | 18 °F
Partly Cloudy
Monday
Clear 43 | 29 °F
Clear
Tuesday
Chance of Rain 45 | 31 °F
Chance of Rain
20% chance of precipitation
Wednesday
Mostly Cloudy 49 | 31 °F
Mostly Cloudy
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
29.66 in
Visibility
10.0 miles
Clouds
Few 1200 ft
Scattered Clouds 3100 ft
Mostly Cloudy 5000 ft
Mostly Cloudy 18000 ft
Moisture
Humidity
67%
Rainfall
0.05 in
Snow Depth
Not available.
METAR
METAR KIAD 111952Z 31019G23KT 10SM FEW012 SCT031 BKN050 BKN180 01/M02 A2967 RMK AO2 PK WND 31031/1919 SNB23E42 SLP050 P0003 T00111022 $
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Weather Radio
Launch Weather Radio
Temperature
Windchill
34 °F
Dew Point
27 °F
Wind
Speed / Dir
4.0 mph from NNW
Wind Gust
14.0 mph
Health
UV
0.6 out of 16
Pollen
.40 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Regional
View Flu Map
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Regional Forecast for Fairfax
This Afternoon
snow Rain showers...snow showers with isolated thunderstorms. Breezy with highs in the upper 30s. Northwest winds 20 to 25 mph with gusts up to 40 mph. Chance of precipitation near 100 percent.
Tonight
nt_cloudy Mostly cloudy in the evening...then becoming partly cloudy. Windy with lows in the lower 20s. Northwest winds 20 to 30 mph with gusts up to 55 mph.
Sunday
partlycloudy Mostly sunny. Highs in the mid 30s. Northwest winds 15 to 20 mph. Gusts up to 35 mph in the morning.
Sunday Night
nt_sunny Mostly clear. Lows in the lower 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_cloudy Mostly cloudy. Lows around 30.
Tuesday
cloudy Cloudy. Highs in the lower 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the mid 30s.
Wednesday
cloudy Mostly cloudy. 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.
Source: NWS at 2:54 PM EST on February 11, 2012
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Updated:  
 
 

 

Nowcast as of 1:48 PM EST on February 11, 2012
A band of snow showers will cross the Washington Metro area through 4 PM. Some rain may be mixed in near the immediate Washington area. Visibility will briefly be very poor in the snow...perhaps as low as a few hundred feet for a short period of time.
Wind Advisory in effect from 7 PM this evening to 7 am EST Sunday...
Forecast
View Calendar 7-Day Weather Forecast for 20120
Saturday, 11
Snow Showers
42 | 22 °F
Snow Showers
Chance of
Precipitation
50%
Sunday, 12
Partly Cloudy
34 | 18 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 13
Clear
43 | 29 °F
Clear
Chance of
Precipitation
0%
Tuesday, 14
Chance of Rain
45 | 31 °F
Chance of Rain
Chance of
Precipitation
20%
Wednesday, 15
Mostly Cloudy
49 | 31 °F
Mostly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Chance of Rain
49 | 36 °F
Chance of Rain
Chance of
Precipitation
20%
Friday, 17
Chance of Rain
50 | NA
Chance of Rain
Chance of
Precipitation
40%
Source: NWS at 2:54 PM EST on February 11, 2012
Regional Forecast for Fairfax
This Afternoon
snow Rain showers...snow showers with isolated thunderstorms. Breezy with highs in the upper 30s. Northwest winds 20 to 25 mph with gusts up to 40 mph. Chance of precipitation near 100 percent.
Tonight
nt_cloudy Mostly cloudy in the evening...then becoming partly cloudy. Windy with lows in the lower 20s. Northwest winds 20 to 30 mph with gusts up to 55 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 28 37 | 28 32 | 17 26 | 8
Wind 2 mph North 8 mph NW 21 mph WNW 23 mph NW
Humidity 79% 68% 55% 43%
Chance of Precip. 100% 50% 50% 20%
Cloud Cover 100% 98% 69% 45%
Conditions Snow Overcast Chance of Snow Chance of Snow
Sunrise & Sunset
7:06 AM
5:42 PM
Source: NWS at 2:54 PM EST on February 11, 2012
Regional Forecast for Fairfax
Sunday
partlycloudy Mostly sunny. Highs in the mid 30s. Northwest winds 15 to 20 mph. Gusts up to 35 mph in the morning.
Sunday Night
nt_sunny Mostly clear. Lows in the lower 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 23 | 5 31 | 7 30 | 8 24 | 11
Wind 16 mph NW 17 mph WNW 12 mph WNW 7 mph WNW
Humidity 46% 35% 39% 56%
Chance of Precip. 20% 0% 0% 0%
Cloud Cover 35% 27% 25% 12%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
7:05 AM
5:43 PM
Source: NWS at 2:54 PM EST on February 11, 2012
Regional Forecast for Fairfax
Monday
sunny Sunny. Highs in the lower 40s. West winds 5 to 10 mph.
Monday Night
nt_cloudy Mostly cloudy. Lows around 30.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 11 37 | 12 36 | 13 32 | 19
Wind 6 mph West 8 mph West 3 mph West 1 mph SW
Humidity 61% 35% 37% 59%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 6% 4% 10% 37%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
7:04 AM
5:44 PM
Source: NWS at 2:54 PM EST on February 11, 2012
Regional Forecast for Fairfax
Tuesday
cloudy Cloudy. Highs in the lower 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the mid 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 22 41 | 26 41 | 30 37 | 31
Wind 0 mph WSW 5 mph South 4 mph South 2 mph South
Humidity 65% 55% 67% 83%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 79% 93% 85% 71%
Conditions Mostly Cloudy Chance of Rain Chance of Rain Mostly Cloudy
Sunrise & Sunset
7:02 AM
5:45 PM
Source: NWS at 2:54 PM EST on February 11, 2012
Regional Forecast for Fairfax
Wednesday
cloudy Mostly cloudy. 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 34 | 29 45 | 33 42 | 32 37 | 30
Wind 1 mph WSW 5 mph NW 3 mph WNW 0 mph NNW
Humidity 84% 64% 68% 77%
Chance of Precip. 20% 20% 10% 10%
Cloud Cover 62% 69% 76% 51%
Conditions Chance of Snow Partly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
7:01 AM
5:46 PM
Source: NWS at 2:54 PM EST on February 11, 2012
Regional Forecast for Fairfax
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 34 | 27 45 | 31 44 | 34 41 | 34
Wind 0 mph NW 1 mph NE 0 mph SW 0 mph SSE
Humidity 78% 60% 65% 80%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 43% 47% 73% 69%
Conditions Partly Cloudy Chance of Rain Chance of Rain Chance of Snow
Sunrise & Sunset
7:01 AM
5:46 PM
Source: NWS at 2:54 PM EST on February 11, 2012
Regional Forecast for Fairfax
Friday
partlycloudy Mostly sunny. Highs in the lower 50s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 38 | 34 47 | 36 44 | 36 41 | 34
Wind 0 mph NE 3 mph NE 2 mph West 0 mph SSE
Humidity 85% 64% 71% 80%
Chance of Precip. 40% 40% 40% 20%
Cloud Cover 56% 58% 57% 69%
Conditions Chance of Snow Chance of Rain Chance of Rain Chance of Snow
Sunrise & Sunset
7:01 AM
5:46 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 11, 2012 Max Temp Min Temp
Normal (KIAD) 44 °F 23 °F
Record (KIAD) 71 °F (2009) -7 °F (1979)
Yesterday 45 °F 29 °F
Yesterday's Heating Degree Days: 28
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
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
PM10
Yesterday Good
OZONE
Current Good
PM2.5
Current Good
OZONE
Saturday Good
PM2.5
Sunday Good
PM2.5
Monday Good
PM2.5
Tuesday Good
PM2.5
Wednesday Moderate
PM2.5
Coastal Water Temperatures
Place Temperature
Washington, DC 43.0 °F
Lewisetta, VA 44.1 °F
Solomons Island, MD 43.0 °F
Marine Forecast
Astronomy
Feb. 11, 2012 Rise Set
Actual Time 7:06 AM EST 5:42 PM EST
Civil Twilight 6:38 AM EST 6:09 PM EST
Nautical Twilight 6:07 AM EST 6:41 PM EST
Astronomical Twilight 5:36 AM EST 7:12 PM EST
Moon 10:24 PM EST 8:50 AM EST
Length Of Visible Light 11h 31m
Length of Day
10h 35m
Tomorrow will be 2m 16s longer.
Waning Gibbous, 81% 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
48 °F
Chesapeake
48 °F
Farmville
46 °F
Franklin
46 °F
South Hill
46 °F
Suffolk
12 °F
Hot Springs
15 °F
Richlands
19 °F
Wise
21 °F
Abingdon
23 °F
Marion
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
Dulles Airport 34 °F Mostly Cloudy 2:52 PM EST
Manassas 36 °F Mostly Cloudy 2:55 PM EST
Leesburg 34 °F Overcast 2:55 PM EST
Fort Belvoir 43 °F Light Rain 2:56 PM EST
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Flight To ETA Status
CJC3884
State College, PA 		KIAD 02:58PM On Time
CJC3884
 KIAD 02:59PM On Time
CJC3899
Charlottesville, VA 		KIAD 02:59PM On Time
CJC3867
Allentown, PA 		KIAD 03:00PM On Time
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Type Condition
Flight Rule: VFR (KIAD)
Wind Speed: 19.0 kts.
Wind Dir: 339° (NNW)
Ceiling: 5000 ft

METAR KIAD 111952Z 31019G23KT 10SM FEW012 SCT031 BKN050 BKN180 01/M02 A2967 RMK AO2 PK WND 31031/1919 SNB23E42 SLP050 P0003 T00111022 $

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Nearby Events
Event Date Forecast
Dr. Ralph Stanley and The Clinch Mountain Boys 8:00 PM EST 2012-02-11 Chance of Snow, 32°F
BYRN 9:00 PM EST 2012-02-11 Chance of Snow, 30°F
Melissa Branin 8:00 PM EST 2012-02-11 Chance of Snow, 32°F
Ralph Stanley & the Clinch Mountian Boys 8:00 PM EST 2012-02-11 Chance of Snow, 32°F
Solo Acoustic 9:00 PM EST 2012-02-11 Chance of Snow, 30°F
Queen Jane at Epicure Cafe--Art Show Closing! 8:00 PM EST 2012-02-11 Chance of Snow, 32°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Average High 71° F/ 21° C
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 11, 2012 Rain Showers, 45 °F
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 12, 2012 Mostly Cloudy, 45 °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
CENTREweather, Centreville, VA 37.3 °F 34 °F 27 °F 67% NNW  at  4.0 mph 0.00 in / hr 262 ft 3:12 PM EST Rapid Fire
Centre Ridge, Centreville, VA 38.5 °F 31 °F 17 °F 42% WNW  at  12.8 mph 0.00 in / hr 300 ft 3:12 PM EST Rapid Fire  
APRSWXNET Centreville VA , Centreville, VA 35 °F 32 °F 29 °F 80% NW  at  4 mph 0.00 in / hr 308 ft 2:39 PM EST MADIS
Little Rocky Run, Clifton, VA 36.0 °F 32 °F 24 °F 62% NNW  at  5.0 mph 0.00 in / hr 308 ft 3:12 PM EST Rapid Fire  
Brookfield, Chantilly, VA 35.6 °F 31 °F 9 °F 32% NW  at  4.9 mph 0.00 in / hr 260 ft 3:11 PM EST Normal  
Chantilly, VA 35.8 °F 32 °F 24 °F 63% NW  at  5.0 mph 0.00 in / hr 308 ft 3:12 PM EST Rapid Fire  
Ridings at Blue Springs, Chantilly, VA 36.3 °F 36 °F 28 °F 70% North  at  3.0 mph 0.00 in / hr 303 ft 3:07 PM EST Normal
Westgate, Manassas, VA 37.1 °F 30 °F 30 °F 75% NNE  at  10.0 mph 0.01 in / hr 178 ft 3:12 PM EST Rapid Fire
Gracie's Window in FranklinGlen, Fairfax, VA 36.9 °F 32 °F 28 °F 70% NNE  at  6.3 mph 0.00 in / hr 365 ft 3:12 PM EST Rapid Fire  
Franklin Glen/KR4YO, Fairfax, VA 35.1 °F 25 °F 30 °F 80% West  at  16.8 mph 0.00 in / hr 358 ft 3:12 PM EST Rapid Fire  
Chantilly Highlands, Herndon, VA 36.0 °F 25 °F 27 °F 70% NW  at  19.7 mph 0.01 in / hr 340 ft 3:12 PM EST Rapid Fire  
Folkstone, Oak Hill, VA 34.5 °F 29 °F 30 °F 84% NNW  at  6.0 mph 0.00 in / hr 375 ft 3:12 PM EST Rapid Fire  
Monterey Estates, Herndon, VA 34.7 °F 26 °F 28 °F 76% WSW  at  12.7 mph 0.00 in / hr 390 ft 3:12 PM EST Rapid Fire
Fox Mill, Herndon, VA 34.5 °F 28 °F 30 °F 84% NNE  at  8.0 mph 0.00 in / hr 383 ft 3:12 PM EST Rapid Fire  
Beckford Grant, Manassas, VA 34.7 °F 35 °F 30 °F 84% North  at  2.0 mph 0.00 in / hr 299 ft 3:11 PM EST Rapid Fire  
Sangsters Court, Clifton, VA 35.8 °F 29 °F 31 °F 83% NNW  at  9.0 mph 0.00 in / hr 375 ft 3:02 PM EST Normal  
Oak Valley/KT4ER, Gainesville, VA 36.8 °F 31 °F 28 °F 69% NW  at  8.0 mph 0.02 in / hr 496 ft 3:12 PM EST Rapid Fire  
Stone Ridge, Dulles, VA 36.7 °F 31 °F 17 °F 45% WNW  at  7.6 mph 0.00 in / hr 391 ft 3:12 PM EST Rapid Fire  
Rosehaven Estates, Fairfax, VA 35.6 °F 36 °F 31 °F 82% West  at  3.0 mph 0.00 in / hr 470 ft 3:07 PM EST Normal  
Compass Rose Farm, Haymarket, VA 35.4 °F 24 °F 26 °F 69% NW  at  22.0 mph 0.00 in / hr 350 ft 3:12 PM EST Rapid Fire  
Cedar Ridge Subd, Manassas, VA 34.5 °F 31 °F 27 °F 73% NNW  at  3.8 mph 0.00 in / hr 275 ft 3:12 PM EST Normal  
Cobbdale, Fairfax, VA 33.4 °F 30 °F 28 °F 79% NNW  at  4.0 mph - / hr 394 ft 3:11 PM EST Normal  
Lee Manor, Manassas, VA 34.3 °F 30 °F 27 °F 73% NNW  at  4.7 mph 0.00 in / hr 275 ft 3:12 PM EST Normal
VADOT Site_E, Oakton, VA 39 °F 39 °F 30 °F 68% North  at  - 0.00 in / hr 353 ft 2:10 PM EST MADIS
Piedmont, Haymarket, VA 35.1 °F 27 °F 28 °F 75% West  at  11.2 mph 0.00 in / hr 358 ft 3:12 PM EST Rapid Fire  
Cedar Cove Cluster, Reston, VA 36.7 °F 33 °F 30 °F 78% WSW  at  4.3 mph 0.00 in / hr 350 ft 3:12 PM EST Rapid Fire  
Snow Hill, Haymarket, VA 35.8 °F 26 °F 27 °F 71% NW  at  15.0 mph 0.00 in / hr 454 ft 3:11 PM EST Normal  
Reston - West Market, Reston, VA 34.5 °F 30 °F 28 °F 77% South  at  4.9 mph 0.00 in / hr 430 ft 3:12 PM EST Rapid Fire  
Laurianne Woods, Gainesville, VA 37.1 °F 37 °F 25 °F 62% North  at  0.0 mph 0.01 in / hr 204 ft 3:12 PM EST Rapid Fire  
Least Accurate Wx Station, Gainesville, VA 38.1 °F 31 °F 24 °F 57% WNW  at  10.7 mph 0.01 in / hr 367 ft 3:12 PM EST Rapid Fire  
Bridlewood, Gainesville, VA 38.8 °F 36 °F 28 °F 64% West  at  4.4 mph 0.02 in / hr 285 ft 3:12 PM EST Rapid Fire  
Bear Creek, Manassas, VA 35.8 °F 36 °F 32 °F 47% North  at  2.7 mph 0.00 in / hr 282 ft 3:08 PM EST Normal  
Brambleton, Brambleton, VA 36.7 °F 37 °F 26 °F 65% NE  at  3.0 mph 0.04 in / hr 310 ft 3:12 PM EST Rapid Fire  
VADOT Site_G, Herndon, VA 39 °F 32 °F 27 °F 60% NNW  at  11 mph 0.00 in / hr 339 ft 2:24 PM EST MADIS
Villa D'este, Fairfax, VA 32.9 °F 33 °F 30 °F 88% SE  at  2.0 mph 0.00 in / hr 355 ft 2:58 PM EST Normal  
Fairfax - Kings Park West, Fairfax, VA 32.9 °F 26 °F 19 °F 57% WNW  at  8.1 mph 0.00 in / hr 310 ft 3:12 PM EST Rapid Fire
Greenhill Crossing, Haymarket, VA 36.0 °F 30 °F 28 °F 72% North  at  7.0 mph 0.00 in / hr 0 ft 3:10 PM EST Normal
Trott Ave, Vienna, VA 33.6 °F 34 °F 31 °F 89% WSW  at  0.0 mph - / hr 415 ft 2:59 PM EST Normal  
Dominion Valley, Haymarket, VA 37.2 °F 30 °F 22 °F 53% North  at  11.0 mph 0.04 in / hr 384 ft 3:12 PM EST Normal  
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Wind Advisory
Mobile & Email Alerts Statement as of 12:38 PM EST on February 11, 2012

... Wind Advisory in effect from 7 PM this evening to 7 am EST
Sunday...

The National Weather Service in Baltimore MD/Washington has
issued a Wind Advisory... which is in effect from 7 PM this
evening to 7 am EST Sunday.

* Timing... tonight. The highest gusts are likely this evening.

* Winds... northwest 25 to 35 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 2:39 PM EST on February 11, 2012

... Line of heavy snow showers will move across the Washington Metro
area this afternoon...

At 227 PM EST... Doppler radar indicated a line of heavy snow showers
and snow squalls along a line extending Emmitsburg to Clifton...
moving east at 25 mph.

The snow band will reach downtown Washington just before 300 PM...
and the eastern Washington suburbs around 315 PM. The northern
extent of this line will continue to move across the I-70 corridor
in north central Maryland... reaching the western Baltimore suburbs
around 330 PM.

Visibilities will be reduced to less than one half mile in heavy
snow. This activity will last only a few minutes in any one
location... and upward of 15-20 minutes at the most. A quick dusting
to coating of snow is possible with this activity... though most Road
surfaces are still well above freezing. Localized areas will receive
around half an inch of snow accumulation.

In addition... wind gusts in the line of precipitation will approach
30 mph. Temperatures will drop several degrees behind the
boundary... with wind chills dropping from the low 40s into the 20s.


Lat... Lon 3898 7669 3866 7675 3875 7753 3907 7743
      3973 7745 3972 7668
time... Mot... loc 1927z 289deg 23kt 3969 7734 3904 7732
          3854 7760


Gms



213 PM EST Sat Feb 11 2012

... Line of heavy snow showers will move across portions of north
central Virginia toward the I-95 corridor this afternoon...

At 200 PM EST... Doppler radar indicated a line of heavy snow showers
and snow squalls along a line extending from Haymarket to near
Orange... moving east at 25 mph. A mix of rain and snow is expected
along the southern end of the band... mainly across Orange and
Spotsylvania counties... but a steady moderate to heavy snow further
north and closer to the I-66 corridor.

Visibilities may be reduced to less than one half of a mile in snow.
In addition... wind gusts in the line of precipitation will approach
30 mph. Temperatures will drop several degrees behind the
boundary... with wind chills dropping from the low 40s into the 20s.


Lat... Lon 3810 7783 3815 7809 3813 7815 3818 7828
      3887 7782 3882 7741 3883 7681 3830 7693
      3844 7703 3840 7712 3838 7713 3841 7706
      3841 7704 3828 7699 3825 7704 3814 7707
      3818 7725 3824 7725 3824 7737 3799 7766
time... Mot... loc 1906z 278deg 20kt 3880 7761 3809 7803


Gms



154 PM EST Sat Feb 11 2012

... Line of snow showers moving through the metropolitan areas...

A line of snow showers has begun to move east of the Blue Ridge
mountains into the metropolitan areas of Baltimore and Washington DC
this afternoon. This line of precipitation contains a mixture of snow and
rain. Visibilities may be reduced to less than one half of a mile in
snow... especially across the western suburbs and along the Mason
Dixon line. Closer to the cities... rain is expected to mix in with
the snow... but visibilities will still be reduced to less than a
mile.

In addition... wind gusts in the line of precipitation will approach
30 mph.




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

The following are unofficial observations taken during the past 26
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...
   Frostburg 0.5 941 PM 2/10 trained spotter

... Anne Arundel County...
   Severn 0.3 700 am 2/11 trained spotter

... 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
   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 2.0 710 am 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

Virginia

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

... Clarke County...
   1 NNW Berryville 0.5 830 am 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

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

... Loudoun County...
   Countryside 0.7 751 am 2/11 NWS employee
   Leesburg 0.6 300 am 2/11 public
   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 0.3 1015 PM 2/10 cocorahs

... Grant County...
   Bayard 0.8 756 PM 2/10 co-op observer

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

... Pendleton County...
   6 WSW Cherry Grove 3.0 1000 am 2/11 trained spotter


**********************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 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
   2 WNW Catonsville 1.0 700 am 2/11 cocorahs
   1 SW Jacksonville 0.8 800 am 2/11 cocorahs
   1 E Kingsville 0.4 700 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
   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
   2 N Columbia 1.0 700 am 2/11 cocorahs
   3 NW Columbia 1.0 730 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
   2 W Colesville 0.7 715 am 2/11 cocorahs
   5 NNE Germantown 0.7 700 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
   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...
   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
   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
   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
   1 SW Mustoe 0.5 1159 am 2/10 cocorahs

... Loudoun County...
   Mount Weather 1.0 700 am 2/11 co-op observer
   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

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

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

... Mineral County...
   2 SSW Keyser 0.3 700 am 2/11 co-op observer


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