Chantilly, VA

2:58 AM EST on February 12, 2012 (GMT -0500)
Elev: 272 ft
Lon: 77.5° W
Lat: 38.9° N
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Active Advisory: Wind Advisory,  Special Statement (US Severe Weather) Active Notice: Local Storm Report,  Public Information Statement
Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Kari Kiefer
Weather Underground Forecast for Sunday, February 12, 2012.

The East dries out on Sunday, but wet weather continues moving through the West. A trough of low pressure advances eastward over the Great Basin and Central Rockies, producing moderate snow showers over Utah and Colorado. Winter weather advisories have been issued for parts of western Colorado as snowfall accumulations may reach from 6 to 8 inches by Sunday evening. Most of Utah, western Wyoming, and northern New Mexico should see lighter snow showers with accumulation around 1 to 2 inches. The tail end of this trough will extend into western Texas, bringing snow and freezing rain showers into northwestern Texas. Precipitation from this system will move into the Texas Panhandle late Sunday into Monday morning. Winter storm warnings have been issued for the region as 3 to 5 inches of snow are possible, with ice accumulations from 0.10 to 0.30 inches by Sunday evening. This will cause dangerous roads and travel conditions.

Meanwhile, another trough of low pressure and associated cold front approach the West Coast on Sunday. This system will reach the coasts of the Pacific Northwest and northern California in the afternoon and evening hours, bringing more rain showers. Temperatures will remain cool over most of the West Coast as this system pushes clouds and moisture onshore.

In the East, a strong ridge of high pressure allows for dry, sunny, and cool weather to persist. This system creates strong flow from the north, pushing cold air into the Plains and Eastern Valleys. Expect highs to range in the 20s in the Midwest, while the Ohio River Valley and Tennessee Valleys will see highs in the 30s. Freeze advisories have been issued for the Gulf states as low temperatures will drop into the 20s Sunday night. Dangerous fire conditions spread over the Southeastern states due to high pressure creating a very dry airmas with strong winds.
Weather Underground Forecast for Sunday, February 12, 2012.

The East dries out on Sunday, but wet weather continues moving through the West. A trough of low pressure advances eastward over the Great Basin and Central Rockies, producing moderate snow showers over Utah and Colorado. Winter weather advisories have been issued for parts of western Colorado as snowfall accumulations may reach from 6 to 8 inches by Sunday evening. Most of Utah, western Wyoming, and northern New Mexico should see lighter snow showers with accumulation around 1 to 2 inches. The tail end of this trough will extend into western Texas, bringing snow and freezing rain showers into northwestern Texas. Precipitation from this system will move into the Texas Panhandle late Sunday into Monday morning. Winter storm warnings have been issued for the region as 3 to 5 inches of snow are possible, with ice accumulations from 0.10 to 0.30 inches by Sunday evening. This will cause dangerous roads and travel conditions.

Meanwhile, another trough of low pressure and associated cold front approach the West Coast on Sunday. This system will reach the coasts of the Pacific Northwest and northern California in the afternoon and evening hours, bringing more rain showers. Temperatures will remain cool over most of the West Coast as this system pushes clouds and moisture onshore.

In the East, a strong ridge of high pressure allows for dry, sunny, and cool weather to persist. This system creates strong flow from the north, pushing cold air into the Plains and Eastern Valleys. Expect highs to range in the 20s in the Midwest, while the Ohio River Valley and Tennessee Valleys will see highs in the 30s. Freeze advisories have been issued for the Gulf states as low temperatures will drop into the 20s Sunday night. Dangerous fire conditions spread over the Southeastern states due to high pressure creating a very dry airmas with strong winds.
Weather Underground Broadcast Network
Chantilly Weather at a Glance
Updated 2:57 AM EST
Elevation
303 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
22.6 °F
Feels Like 23 °F
Wind(mph)
2.0
Sunrise / Set
7:05 AM
5:43 PM
Moon
Waning Gibbous
Tonight
Partly Cloudy 22 °F
Partly Cloudy
Sunday
Partly Cloudy 34 °F
Partly Cloudy
Sunday Night
Clear 22 °F
Clear
Monday
Clear 43 | 29 °F
Clear
Tuesday
Chance of Rain 43 | 32 °F
Chance of Rain
20% chance of precipitation
Wednesday
Mostly Cloudy 50 | 31 °F
Mostly Cloudy
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
30.01 in
Visibility
10.0 miles
Clouds
Few 4000 ft
Mostly Cloudy 9000 ft
Mostly Cloudy 14000 ft
Moisture
Humidity
63%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KIAD 120752Z 32020G29KT 10SM FEW040 BKN090 BKN140 M06/M13 A3000 RMK AO2 PK WND 31036/0737 SLP160 T10561133
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Windchill
23 °F
Dew Point
12 °F
Wind
Speed / Dir
2.0 mph from NNE
Wind Gust
6.0 mph
Health
UV
0 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
Sunday
partlycloudy Mostly sunny. Highs in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 40 mph.
Sunday Night
nt_sunny Mostly clear. Lows around 20. 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 around 30. West winds around 5 mph...becoming north after midnight.
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.
Friday Night
nt_sunny Mostly clear. Lows in the lower 30s.
Saturday
partlycloudy Mostly sunny. Highs in the lower 50s.
Source: NWS at 12:59 am EST on February 12, 2012
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Nowcast
Wind Advisory in effect until 7 am EST this morning...
Forecast
View Calendar 7-Day Weather Forecast for 20151
Sunday, 12
Partly Cloudy
34 | 22 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 13
Clear
43 | 29 °F
Clear
Chance of
Precipitation
0%
Tuesday, 14
Chance of Rain
43 | 32 °F
Chance of Rain
Chance of
Precipitation
20%
Wednesday, 15
Mostly Cloudy
50 | 31 °F
Mostly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Chance Rain
50 | 38 °F
Chance Rain
Chance of
Precipitation
20%
Friday, 17
Chance of Rain
49 | 31 °F
Chance of Rain
Chance of
Precipitation
20%
Saturday, 18
Partly Cloudy
50 | NA
Partly Cloudy
Chance of
Precipitation
10%
Source: NWS at 12:59 am EST on February 12, 2012
Regional Forecast for Fairfax
Overnight
nt_chancesnow Snow showers. Snow accumulation around an inch. Windy with lows around 20. Northwest winds 20 to 30 mph with gusts up to 50 mph. Chance of snow 80 percent.
Sunday
partlycloudy Mostly sunny. Highs in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 40 mph.
Sunday Night
nt_sunny Mostly clear. Lows around 20. 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 24 | 4 31 | 6 31 | 10 26 | 13
Wind 16 mph NW 18 mph WNW 14 mph WNW 8 mph WNW
Humidity 43% 33% 41% 58%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 25% 28% 25% 13%
Conditions Clear Partly Cloudy Clear Clear
Sunrise & Sunset
7:05 AM
5:43 PM
Source: NWS at 12:59 am EST on February 12, 2012
Regional Forecast for Fairfax
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 around 30. West winds around 5 mph...becoming north after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 25 | 13 38 | 13 38 | 16 33 | 16
Wind 6 mph West 8 mph WNW 4 mph West 1 mph West
Humidity 60% 37% 39% 50%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 6% 4% 10% 43%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
7:04 AM
5:44 PM
Source: NWS at 12:59 am EST on February 12, 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 | 21 39 | 26 39 | 30 36 | 29
Wind 0 mph NNW 5 mph South 5 mph South 1 mph South
Humidity 66% 60% 69% 77%
Chance of Precip. 10% 20% 20% 20%
Cloud Cover 78% 93% 85% 71%
Conditions Mostly Cloudy Overcast Chance of Rain Mostly Cloudy
Sunrise & Sunset
7:02 AM
5:45 PM
Source: NWS at 12:59 am EST on February 12, 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 36 | 31 47 | 34 44 | 34 37 | 32
Wind 0 mph NE 3 mph NNW 4 mph NNW 1 mph NNE
Humidity 81% 62% 71% 83%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 84% 74% 74% 61%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
7:01 AM
5:46 PM
Source: NWS at 12:59 am EST on February 12, 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 | 31 45 | 37 45 | 40 42 | 41
Wind 2 mph ENE 5 mph ESE 6 mph South 4 mph South
Humidity 88% 71% 81% 82%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 30% 58% 91% 84%
Conditions Partly Cloudy Chance of Snow Chance of Rain Chance of Rain
Sunrise & Sunset
7:00 AM
5:47 PM
Source: NWS at 12:59 am EST on February 12, 2012
Regional Forecast for Fairfax
Friday
partlycloudy Mostly sunny. Highs in the lower 50s.
Friday Night
nt_sunny Mostly clear. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 40 | 37 48 | 30 44 | 27 37 | 27
Wind 5 mph SW 8 mph WNW 7 mph WNW 4 mph WNW
Humidity 85% 53% 54% 65%
Chance of Precip. 30% 30% 30% 30%
Cloud Cover 75% 51% 46% 23%
Conditions Chance of Rain Chance of Rain Chance of Rain Clear
Sunrise & Sunset
7:00 AM
5:47 PM
Source: NWS at 12:59 am EST on February 12, 2012
Regional Forecast for Fairfax
Saturday
partlycloudy Mostly sunny. Highs in the lower 50s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 25 47 | 25 44 | 28 37 | 27
Wind 4 mph WNW 7 mph WNW 5 mph WNW 4 mph WNW
Humidity 66% 44% 54% 65%
Chance of Precip. 10% 10% 10% 30%
Cloud Cover 23% 25% 35% 23%
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
7:00 AM
5:47 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 12, 2012 Max Temp Min Temp
Normal (KIAD) 45 °F 23 °F
Record (KIAD) 74 °F (1999) 3 °F (1964)
Yesterday 42 °F 21 °F
Yesterday's Heating Degree Days: 33
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
Sunday Good
PM2.5
Monday Good
PM2.5
Tuesday Good
PM2.5
Wednesday Moderate
PM2.5
Coastal Water Temperatures
Place Temperature
Washington, DC 42.1 °F
Lewisetta, VA 42.1 °F
Solomons Island, MD 42.1 °F
Marine Forecast
Astronomy
Feb. 12, 2012 Rise Set
Actual Time 7:05 AM EST 5:43 PM EST
Civil Twilight 6:37 AM EST 6:10 PM EST
Nautical Twilight 6:06 AM EST 6:42 PM EST
Astronomical Twilight 5:35 AM EST 7:13 PM EST
Moon 11:35 PM EST 9:26 AM EST
Length Of Visible Light 11h 33m
Length of Day
10h 38m
Tomorrow will be 2m 18s longer.
Waning Gibbous, 76% 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
29 °F
Warrenton
28 °F
Fredericksburg
28 °F
Suffolk
28 °F
Williamsburg
28 °F
West Point
3 °F
Hot Springs
10 °F
Richlands
12 °F
Galax
14 °F
Wise
15 °F
Dublin
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 22 °F Mostly Cloudy 2:52 AM EST
Manassas 23 °F Partly Cloudy 2:35 AM EST
Leesburg 23 °F Overcast 2:35 AM EST
Fort Belvoir 24 °F Clear 2:55 AM EST
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Flight To ETA Status
JBU300
Long Beach, CA 		KIAD 04:41AM On Time
UAL238
San Diego, CA 		KIAD 05:18AM On Time
AAL74
Los Angeles, CA 		KIAD 06:04AM On Time
UAL584
Los Angeles, CA 		KIAD 06:06AM On Time
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Type Condition
Flight Rule: VFR (KIAD)
Wind Speed: 20.0 kts.
Wind Dir: 21° (NNE)
Ceiling: 9000 ft

METAR KIAD 120752Z 32020G29KT 10SM FEW040 BKN090 BKN140 M06/M13 A3000 RMK AO2 PK WND 31036/0737 SLP160 T10561133

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Nearby Events
Event Date Forecast
George Mason University Patriots Womens Basketball vs. Hofstra Womens Basketball 2:00 PM EST 2012-02-12 Overcast, 29°F
The Music Man 2:00 PM EST 2012-02-12 Overcast, 29°F
The Nation's Gun Show 10:00 AM EST 2012-02-12 Clear, 27°F
Vision Night | Oakton 7:00 PM EST 2012-02-13 Mostly Cloudy, 36°F
SharePoint 2010 Super User Week | February 13-17, 2012 9:00 AM EST 2012-02-13 Clear, 28°F
Walk, Run/Walk, and Run Intervals Training 9:00 AM EST 2012-02-13 Clear, 28°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
Ridings at Blue Springs, Chantilly, VA 22.6 °F 23 °F 12 °F 63% NNE  at  2.0 mph 0.00 in / hr 303 ft 2:57 AM EST Normal
Chantilly, VA 21.9 °F 15 °F 9 °F 57% WNW  at  5.3 mph 0.00 in / hr 308 ft 2:58 AM EST Rapid Fire  
Brookfield, Chantilly, VA 22.8 °F 12 °F -8 °F 25% North  at  11.0 mph 0.00 in / hr 260 ft 2:57 AM EST Normal  
Gracie's Window in FranklinGlen, Fairfax, VA 22.7 °F 17 °F 10 °F 59% West  at  4.0 mph 0.00 in / hr 365 ft 2:40 AM EST Rapid Fire  
Franklin Glen/KR4YO, Fairfax, VA 22.5 °F 10 °F 7 °F 51% NW  at  13.6 mph 0.00 in / hr 358 ft 2:58 AM EST Rapid Fire  
CENTREweather, Centreville, VA 22.5 °F 15 °F 11 °F 60% NW  at  6.0 mph 0.00 in / hr 262 ft 2:58 AM EST Rapid Fire
Chantilly Highlands, Herndon, VA 22.1 °F 13 °F 6 °F 50% NNE  at  7.6 mph 0.00 in / hr 340 ft 2:58 AM EST Rapid Fire  
APRSWXNET Centreville VA , Centreville, VA 22 °F 13 °F 10 °F 59% NNW  at  8 mph 0.00 in / hr 308 ft 2:23 AM EST MADIS
Centre Ridge, Centreville, VA 22.8 °F 8 °F 1 °F 38% North  at  19.2 mph 0.00 in / hr 300 ft 2:58 AM EST Rapid Fire  
Little Rocky Run, Clifton, VA 22.3 °F 17 °F 11 °F 61% NW  at  4.0 mph 0.00 in / hr 308 ft 2:58 AM EST Rapid Fire  
RC@Centre Ridge, Centreville, VA 21.7 °F 12 °F 17 °F 83% NNW  at  9.0 mph 0.00 in / hr 297 ft 11:15 PM EST Normal  
Monterey Estates, Herndon, VA 22.0 °F 10 °F 10 °F 60% West  at  11.5 mph 0.00 in / hr 390 ft 2:58 AM EST Rapid Fire
Fox Mill, Herndon, VA 22.8 °F 14 °F 12 °F 63% North  at  7.0 mph 0.00 in / hr 383 ft 2:58 AM EST Rapid Fire  
Stone Ridge, Dulles, VA 22.1 °F 15 °F 4 °F 45% NW  at  5.4 mph 0.00 in / hr 391 ft 2:57 AM EST Rapid Fire  
Westgate, Manassas, VA 23.7 °F 13 °F 11 °F 58% NNE  at  11.0 mph 0.00 in / hr 178 ft 2:58 AM EST Rapid Fire
Reston - West Market, Reston, VA 21.7 °F 17 °F 10 °F 59% NNE  at  3.6 mph 0.00 in / hr 430 ft 2:58 AM EST Rapid Fire  
VADOT Site_G, Herndon, VA 22 °F 11 °F 6 °F 51% WNW  at  10 mph 0.00 in / hr 339 ft 2:24 AM EST MADIS
Cedar Cove Cluster, Reston, VA 23.4 °F 23 °F 12 °F 61% West  at  0.0 mph 0.00 in / hr 350 ft 2:58 AM EST Rapid Fire  
Brambleton, Brambleton, VA 23.0 °F 16 °F 12 °F 61% NNW  at  6.0 mph 0.00 in / hr 310 ft 2:58 AM EST Rapid Fire  
Rosehaven Estates, Fairfax, VA 23.8 °F 16 °F 9 °F 53% NNW  at  6.0 mph 0.00 in / hr 470 ft 2:51 AM EST Normal  
Golf Course Island, Reston, VA 21.8 °F 11 °F 10 °F 59% North  at  11.0 mph 0.00 in / hr 390 ft 2:58 AM EST Rapid Fire  
VADOT Site_E, Oakton, VA 23 °F 23 °F 8 °F 52% North  at  - 0.00 in / hr 353 ft 2:31 AM EST MADIS
Compass Rose Farm, Haymarket, VA 20.5 °F 14 °F 9 °F 61% NNW  at  5.0 mph 0.00 in / hr 350 ft 2:58 AM EST Rapid Fire  
Cobbdale, Fairfax, VA 21.8 °F 22 °F 7 °F 54% North  at  2.0 mph - / hr 394 ft 2:44 AM EST Normal  
Oak Valley/KT4ER, Gainesville, VA 22.6 °F 11 °F 10 °F 58% NNW  at  12.0 mph 0.00 in / hr 496 ft 2:58 AM EST Rapid Fire  
Hawk Ridge Subdivision, Reston, VA 21.6 °F 16 °F 8 °F 56% North  at  4.0 mph 0.00 in / hr 300 ft 2:50 AM EST Normal
APRSWXNET Reston VA , Herndon, VA 22 °F 14 °F 11 °F 63% West  at  6 mph 0.00 in / hr 400 ft 2:23 AM EST MADIS
APRSWXNET Reston VA , Herndon, VA 22 °F 22 °F 11 °F 62% North  at  3 mph 0.00 in / hr 454 ft 2:33 AM EST MADIS
Sangsters Court, Clifton, VA 22.4 °F 22 °F 12 °F 63% WSW  at  3.0 mph 0.00 in / hr 375 ft 2:47 AM EST Normal  
Villa D'este, Fairfax, VA 22.1 °F 22 °F 10 °F 60% WNW  at  2.0 mph 0.00 in / hr 355 ft 2:45 AM EST Normal  
Falls Brook, Herndon, VA 21.2 °F 21 °F 10 °F 61% NNW  at  3.0 mph 0.00 in / hr 280 ft 2:45 AM EST Normal  
Hunt Club, Reston, VA 21.2 °F 12 °F -9 °F 25% West  at  8.1 mph 0.00 in / hr 319 ft 2:58 AM EST Rapid Fire  
Snow Hill, Haymarket, VA 20.5 °F 9 °F 10 °F 62% NW  at  10.0 mph 0.00 in / hr 454 ft 2:56 AM EST Normal  
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA 22.4 °F 12 °F 11 °F 60% WNW  at  9.0 mph 0.00 in / hr 295 ft 2:55 AM EST Normal  
Lake Fairfax, Vienna, VA 21.6 °F 14 °F 11 °F 63% NW  at  6.0 mph 0.00 in / hr 275 ft 2:58 AM EST Rapid Fire
Ashburn Village, Ashburn, VA 22.9 °F 15 °F 11 °F 59% WNW  at  7.0 mph 0.00 in / hr 282 ft 2:58 AM EST Rapid Fire  
Broadlands, Ashburn, VA 22.6 °F 23 °F 11 °F 60% NNW  at  1.0 mph 0.00 in / hr 391 ft 2:58 AM EST Rapid Fire  
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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.


Local Storm Report
Mobile & Email Alerts


02/12/2012 1200 am

2 miles ENE of Fairfax stat, Fairfax County.

Non-thunderstorm wind damage, reported by Emergency Mngr.


            *** 1 inj *** tree into house on 5000 block of Lavery
            CT



View All U.S. Severe Weather
Public Information Statement
Mobile & Email Alerts Statement as of 2:15 am EST on February 12, 2012

The following are unofficial observations taken from the past 30
hours for the series of storms that have affected 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/lwx

********************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

... Anne Arundel County...
   BWI Airport 0.5 1200 am 2/12 Airport

... Baltimore County...
   2 NW Long Green 2.3 900 PM 2/11 trained spotter

... Carroll County...
   1 SSW Manchester 3.9 1055 PM 2/11 trained spotter
   4 NE Millers 2.5 200 am 2/12 co-op observer
   3 WSW Lineboro 1.2 1035 PM 2/11 trained spotter

... Montgomery County...
   2 WSW Damascus 2.7 1158 PM 2/11 co-op observer
   5 N Laytonsville 2.5 400 PM 2/11 broadcast media
   1 SSE Colesville 0.5 1145 PM 2/11 this evening only

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

Virginia

... Arlington County...
   Reagan National airp 0.2 1209 am 2/12 Airport

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

... Fairfax County...
   2 ESE Chantilly 0.4 1208 am 2/12 NWS employee

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

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

... Loudoun County...
   1 NNE Dulles interna 1.2 1200 am 2/12 ASOS
   Countryside 0.9 244 PM 2/11 NWS employee
   3 NNW Dulles interna 0.6 235 PM 2/11 NWS employee
   Dulles international 0.6 235 PM 2/11 Airport

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

... 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


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

Location Max wind time/date comments
                        gust of
                         mph measurement

Maryland

... Anz533...
   3 E Calvert Cliffs 46 948 PM 2/11 buoy

... Anz537...
   2 WSW Piney Point 53 712 PM 2/11 mesonet
   2 se Cobb Island 47 705 PM 2/11 buoy
   7 SSE Saint George I 46 930 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...
   Point Lookout 48 805 PM 2/11 buoy
   2 ENE Patuxent River 45 436 PM 2/11 AWOS

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

Virginia

... Anz543...
   8 E Smith Island 47 1254 am 2/12 buoy

... Arlington County...
   1 E Cherrydale 53 821 PM 2/11 mesonet
   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 47 839 PM 2/11 AWOS

... King George County...
   3 NE Dahlgren 51 847 PM 2/11 mesonet

... Loudoun County...
   2 SSW Leesburg 51 955 PM 2/11 AWOS
   1 NNE Dulles interna 49 722 PM 2/11 ASOS
   2 ENE Lovettsville 47 718 PM 2/11 mesonet

... Prince William County...
   2 S Woodbridge 46 1223 am 2/12 mesonet


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