Manassas, VA

9:11 PM EDT on May 22, 2012 (GMT -0400)
Elev: 276 ft
Lon: 77.5° W
Lat: 38.7° N
Source
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Active Advisory: Flash Flood Watch (US Severe Weather) Active Notice: Local Storm Report
Tropical Weather: Post-Tropical Cyclone Alberto (North Atlantic) Tropical Storm Bud (East Pacific) Tropical Storm Sanvu (Western Pacific)
Weather Summary
Tim Roche
Weather Underground midday recap for Tuesday, May 22, 2012.

Wet weather spread across the Northeast on Tuesday as a disorganized series of fronts stretched over the region. Moisture from the remains of Tropical Storm Alberto also flowed ashore, enhancing the intensity of the rain. Temperatures throughout the East were generally moderate despite the clouds, though relative humidity levels were fairly high.

Clouds broke up to the West of the Ohio Valley, where temperatures were warmer and humidity dropped off substantially. Temperatures were also warm in the Southeast and Plains.

Clear skies spread across the Rockies into the Southwest as well with the entire region under sunny skies with warm temperatures.

Clouds were back in the Picture in the Northwest where low pressure just off the coast brought rain to the to Washington and Oregon. Some of the rain along the coast and north of Portland was heavy, with several inches of precipitation reported just north of the city.

In the Atlantic. Tropical Storm Alberto had dissipated into a disorganized mass of clouds and thunderstorms by by Tuesday afternoon, though the storm was still churning up a significant portion of sea.
Weather Underground midday recap for Tuesday, May 22, 2012.

Wet weather spread across the Northeast on Tuesday as a disorganized series of fronts stretched over the region. Moisture from the remains of Tropical Storm Alberto also flowed ashore, enhancing the intensity of the rain. Temperatures throughout the East were generally moderate despite the clouds, though relative humidity levels were fairly high.

Clouds broke up to the West of the Ohio Valley, where temperatures were warmer and humidity dropped off substantially. Temperatures were also warm in the Southeast and Plains.

Clear skies spread across the Rockies into the Southwest as well with the entire region under sunny skies with warm temperatures.

Clouds were back in the Picture in the Northwest where low pressure just off the coast brought rain to the to Washington and Oregon. Some of the rain along the coast and north of Portland was heavy, with several inches of precipitation reported just north of the city.

In the Atlantic. Tropical Storm Alberto had dissipated into a disorganized mass of clouds and thunderstorms by by Tuesday afternoon, though the storm was still churning up a significant portion of sea.
Weather Underground Broadcast Network

Manassas Weather at a Glance

Updated 9:08 PM EDT
Elevation
275 ft
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Now
Clear
Clear
Temperature
69.3 °F
Feels Like 69.3 °F
Wind(mph)
0.0
Sunrise / Set
5:51 AM
8:21 PM
Moon
Waxing Crescent
Tonight
Thunderstorm 63 °F
T-storms
60% chance of precipitation
Tomorrow
Thunderstorm 73 °F
T-storms
70% chance of precipitation
Tomorrow Night
Chance of a Thunderstorm 63 °F
Chance of T-storms
40% chance of precipitation
Thursday
Chance of a Thunderstorm 79 | 63 °F
Chance of T-storms
40% chance of precipitation
Friday
Fog 88 | 64 °F
Fog
Saturday
Mostly Cloudy 86 | 68 °F
Mostly Cloudy
Tomorrow is forecast to be Cooler than today.
Conditions
Pressure
29.84 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
79%
Rainfall
1.04 in
Snow Depth
Not available.
METAR
METAR KHEF 230055Z 16003KT 10SM CLR 21/19 A2984 RMK AO1
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
69.3 °F
Dew Point
63 °F
Wind
Speed / Dir
Calm
Wind Gust
2.5 mph
Health
UV
0.0 out of 16
Pollen
5.60 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday Night
nt_tstorms Overcast with thunderstorms, then a chance of rain after midnight. Fog overnight. Low of 63F. Winds less than 5 mph. Chance of rain 60%.
Wednesday
tstorms Mostly cloudy with thunderstorms and rain showers. High of 73F. Winds less than 5 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Wednesday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 63F. Winds from the ESE at 5 to 10 mph. Chance of rain 40%.
Thursday
chancetstorms Mostly cloudy with a chance of rain in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the SSE at 5 to 15 mph. Chance of rain 40%.
Thursday Night
nt_mostlycloudy Overcast with a chance of a thunderstorm and a chance of rain. Fog overnight. Low of 63F. Winds from the South at 5 to 10 mph.
Friday
partlycloudy Overcast in the morning, then partly cloudy. Fog early. High of 88F. Winds from the SSW at 5 to 10 mph.
Friday Night
nt_clear Partly cloudy. Fog overnight. Low of 64F. Winds from the South at 5 to 10 mph shifting to the West after midnight.
Saturday
mostlycloudy Overcast. High of 86F. Winds from the NNE at 5 to 10 mph shifting to the East in the afternoon.
Saturday Night
nt_fog Partly cloudy. Fog overnight. Low of 68F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Sunday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 88F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Sunday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 70F. Winds from the SSW at 5 to 10 mph.
Monday
partlycloudy Partly cloudy. High of 91F. Winds from the SSW at 5 to 10 mph.
Monday Night
nt_cloudy Overcast. Low of 66F. Winds from the SSW at 5 to 10 mph.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F. Winds from the SW at 10 to 15 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 68F. Winds from the SW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.5 in. possible.
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 63F. Winds less than 5 mph. Chance of rain 20%.
Thursday
partlycloudy Partly cloudy. High of 82F with a heat index of 88F. Winds less than 5 mph.
Thursday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 63F. Winds less than 5 mph. Chance of rain 20%.
Friday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 81F with a heat index of 88F. Winds less than 5 mph. Chance of rain 40%.
Friday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 63F. Winds less than 5 mph. Chance of rain 40%.
Saturday
chancetstorms Clear with a chance of a thunderstorm. High of 81F. Winds less than 5 mph. Chance of rain 20%.
Saturday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
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Updated:  
 
 

 

Nowcast as of 8:13 PM EDT on May 22, 2012
Scattered to numerous showers and thunderstorms will spread into the western suburbs of Baltimore and Washington as well as the northern Piedmont by 11 PM. Until then... a brief stray shower will be possible producing up to a tenth inch of rainfall.
Flash Flood Watch in effect until 6 am EDT Wednesday...

Forecast

View Calendar 10-Day Forecast for station KVAMANAS12

Tuesday, 22
Thunderstorm
77 | 63 °F
T-storms
Chance of
Precipitation
60%
Wednesday, 23
Thunderstorm
73 | 63 °F
T-storms
Chance of
Precipitation
70%
Thursday, 24
Chance of a Thunderstorm
79 | 63 °F
Chance of T-storms
Chance of
Precipitation
40%
Friday, 25
Fog
88 | 64 °F
Fog
Chance of
Precipitation
0%
Saturday, 26
Mostly Cloudy
86 | 68 °F
Mostly Cloudy
Chance of
Precipitation
0%
Sunday, 27
Chance of a Thunderstorm
88 | 70 °F
Chance of T-storms
Chance of
Precipitation
40%
Monday, 28
Partly Cloudy
91 | 66 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 29
Chance of a Thunderstorm
82 | 68 °F
Chance of T-storms
Chance of
Precipitation
30%
Wednesday, 30
Chance of a Thunderstorm
82 | 63 °F
Chance of T-storms
Chance of
Precipitation
40%
Thursday, 31
Partly Cloudy
82 | 63 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Tuesday Night
nt_tstorms Overcast with thunderstorms, then a chance of rain after midnight. Fog overnight. Low of 63F. Winds less than 5 mph. Chance of rain 60%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 62 71 | 66 74 | 70 64 | 60
Wind 1 mph ESE 3 mph East 5 mph SSE 2 mph SSE
Humidity 95% 83% 88% 85%
Chance of Precip. 100% 60% 60% 60%
Cloud Cover 100% 89% 76% 83%
Conditions Rain Showers Chance of Rain Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:51 AM
8:21 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.43], Average RMSE [2.04]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.49], Average RMSE [1.58] : Use NWS
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Wednesday
tstorms Mostly cloudy with thunderstorms and rain showers. High of 73F. Winds less than 5 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Wednesday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 63F. Winds from the ESE at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 61 72 | 66 70 | 58 65 | 60
Wind 1 mph WNW 3 mph East 6 mph SSE 4 mph SSE
Humidity 93% 82% 68% 81%
Chance of Precip. 60% 70% 70% 50%
Cloud Cover 92% 83% 83% 76%
Conditions Chance of Rain Thunderstorm Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:51 AM
8:22 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.54], Average RMSE [1.88]
The National Weather Service forecast quality is good. MaxT RMSE [1.67], Average RMSE [1.57] : Use NWS
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Thursday
chancetstorms Mostly cloudy with a chance of rain in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the SSE at 5 to 15 mph. Chance of rain 40%.
Thursday Night
nt_mostlycloudy Overcast with a chance of a thunderstorm and a chance of rain. Fog overnight. Low of 63F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 63 76 | 71 76 | 61 67 | 63
Wind 6 mph ENE 7 mph SSE 9 mph SW 6 mph South
Humidity 93% 82% 59% 83%
Chance of Precip. 40% 40% 40% 10%
Cloud Cover 74% 74% 60% 97%
Conditions Chance of Rain Chance of Rain Chance of a Thunderstorm Fog
Sunrise & Sunset
5:50 AM
8:23 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.30], Average RMSE [1.90]
The National Weather Service forecast quality is good. MaxT RMSE [2.31], Average RMSE [2.67] : Use NWS
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Friday
partlycloudy Overcast in the morning, then partly cloudy. Fog early. High of 88F. Winds from the SSW at 5 to 10 mph.
Friday Night
nt_clear Partly cloudy. Fog overnight. Low of 64F. Winds from the South at 5 to 10 mph shifting to the West after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 63 79 | 70 80 | 57 70 | 62
Wind 5 mph South 6 mph SSW 8 mph South 6 mph SSW
Humidity 91% 74% 46% 77%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 100% 98% 31% 25%
Conditions Fog Overcast Partly Cloudy Fog
Sunrise & Sunset
5:50 AM
8:24 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.43], Average RMSE [2.57]
The National Weather Service forecast quality is fair. MaxT RMSE [2.72], Average RMSE [2.90] : Use NWS
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Saturday
mostlycloudy Overcast. High of 86F. Winds from the NNE at 5 to 10 mph shifting to the East in the afternoon.
Saturday Night
nt_fog Partly cloudy. Fog overnight. Low of 68F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 65 83 | 71 83 | 63 71 | 66
Wind 3 mph WNW 6 mph NNE 7 mph ESE 5 mph SSE
Humidity 90% 69% 53% 83%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 47% 100% 100% 100%
Conditions Fog Overcast Overcast Fog
Sunrise & Sunset
5:49 AM
8:24 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.06], Average RMSE [3.52]
The National Weather Service forecast quality is fair. MaxT RMSE [2.83], Average RMSE [2.98] : Use NWS
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Sunday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 88F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Sunday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 70F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 67 82 | 69 83 | 67 73 | 64
Wind 4 mph SSW 7 mph SSW 8 mph SSW 8 mph SSW
Humidity 91% 66% 58% 74%
Chance of Precip. 20% 10% 20% 10%
Cloud Cover 32% 64% 39% 100%
Conditions Chance of a Thunderstorm Mostly Cloudy Chance of a Thunderstorm Fog
Sunrise & Sunset
5:49 AM
8:24 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.59], Average RMSE [3.47]
The National Weather Service forecast quality is fair. MaxT RMSE [3.00], Average RMSE [2.97] : Use NWS
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 91F. Winds from the SSW at 5 to 10 mph.
Monday Night
nt_cloudy Overcast. Low of 66F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 68 81 | 69 85 | 68 71 | 64
Wind 5 mph SW 6 mph SSW 10 mph South 9 mph SSW
Humidity 89% 66% 56% 78%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 5% 55% 99%
Conditions Fog Clear Partly Cloudy Overcast
Sunrise & Sunset
5:49 AM
8:24 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.22], Average RMSE [3.33]
The National Weather Service forecast quality is fair. MaxT RMSE [3.42], Average RMSE [3.18] : Use NWS
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F. Winds from the SW at 10 to 15 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 68F. Winds from the SW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.5 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 65 80 | 67 82 | 64 72 | 62
Wind 9 mph SSW 10 mph SSW 9 mph SSW 9 mph SSW
Humidity 88% 65% 54% 66%
Chance of Precip. 0% 0% 30% 20%
Cloud Cover 88% 66% 77% 57%
Conditions Mostly Cloudy Mostly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:49 AM
8:24 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.64], Average RMSE [3.39]
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 63F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 67 79 | 66 80 | 58 66 | 54
Wind 4 mph WSW 2 mph West 1 mph SW 1 mph South
Humidity 94% 65% 47% 65%
Chance of Precip. 30% 10% 10% 10%
Cloud Cover 73% 76% 63% 52%
Conditions Chance of a Thunderstorm Mostly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:49 AM
8:24 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.71], Average RMSE [3.94]
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 82F with a heat index of 88F. Winds less than 5 mph.
Thursday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 63F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 60 77 | 70 80 | 71 65 | 60
Wind 0 mph SE 2 mph SSE 3 mph SSE 3 mph SSE
Humidity 79% 79% 78% 84%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 42% 40% 45% 54%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:49 AM
8:24 PM
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Friday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 81F with a heat index of 88F. Winds less than 5 mph. Chance of rain 40%.
Friday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 63F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 64 76 | 76 80 | 80 65 | 65
Wind 3 mph SSE 4 mph South 5 mph South 4 mph South
Humidity 94% 97% 97% 97%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 65% 72% 75% 75%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:49 AM
8:24 PM
Source: BestForecast at 6:53 PM EDT on May 22, 2012
Descriptive Forecast
Saturday
chancetstorms Clear with a chance of a thunderstorm. High of 81F. Winds less than 5 mph. Chance of rain 20%.
Saturday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 65 77 | 75 76 | 72 -9998 | -9998
Wind 3 mph South 3 mph South 4 mph South -9998 mph North
Humidity 98% 93% 86% 82%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 72% % % %
Conditions Mostly Cloudy Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:24 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 22, 2012 Max Temp Min Temp
Normal (KIAD) 77 °F 53 °F
Record (KIAD) 88 °F (1964) 31 °F (2002)
Yesterday 70 °F 64 °F
Yesterday's Cooling Degree Days: 2
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
OZONE
Yesterday Good
PM10
Current Good
PM2.5
Current Good
OZONE
Tuesday Good
OZONE
Tuesday Good
PM2.5
Wednesday Good
OZONE
Wednesday Good
PM2.5
Thursday Good
OZONE
Thursday Good
PM2.5
Friday Good
OZONE
Friday Good
PM2.5
Coastal Water Temperatures
Place Temperature
Washington, DC 72.0 °F
Lewisetta, VA 73.0 °F
Solomons Island, MD 71.1 °F
Marine Forecast
Astronomy
May. 22, 2012 Rise Set
Actual Time 5:51 AM EDT 8:21 PM EDT
Civil Twilight 5:21 AM EDT 8:52 PM EDT
Nautical Twilight 4:43 AM EDT 9:30 PM EDT
Astronomical Twilight 4:01 AM EDT 10:12 PM EDT
Moon 7:01 AM EDT (5/22) 9:58 PM EDT (5/22)
Length Of Visible Light 15h 31m
Length of Day
14h 29m
Tomorrow will be 1m 28s longer.
Waxing Crescent, 4% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Today's Extremes
State Highs State Lows
98 °F
Stafford
86 °F
Farmville
85 °F
Danville
84 °F
Martinsville
84 °F
South Hill
54 °F
Abingdon
55 °F
Richlands
55 °F
Wise
55 °F
Hot Springs
57 °F
Martinsville
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Travel Planning
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Nearby Events
Event Date Forecast
Scholastic Book Fair 9:00 AM EDT 2012-05-23 Thunderstorm, 67°F
Wedding & Events Vendor Open House 11:00 AM EDT 2012-05-23 Thunderstorm, 73°F
Weekly Membership Networking Luncheon 12:00 PM EDT 2012-05-23 Thunderstorm, 74°F
Scholastic Book Fair 9:00 AM EDT 2012-05-24 Chance of Rain, 68°F
Wishing Chair in Concert 8:00 PM EDT 2012-05-25 Clear, 79°F
Dan Solo 5:00 PM EDT 2012-05-25 Partly Cloudy, 81°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Manassas 70 °F Clear 8:55 PM EDT
Dulles Airport 69 °F Mostly Cloudy 8:52 PM EDT
Warrenton 72 °F Clear 8:55 PM EDT
Fort Belvoir 70 °F Mostly Cloudy 8:55 PM EDT
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Flight To ETA Status
TAI580
San Salvador 		KIAD 09:01PM On Time
ASQ5757
Huntsville, AL 		KIAD 09:02PM On Time
UAL100
Houston, TX 		KIAD 09:06PM On Time
UAL990
Chicago, IL 		KIAD 09:08PM On Time
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Type Condition
Flight Rule: VFR (KHEF)
Wind Speed: 3.0 kts.
Wind Dir: 90° (East)
Ceiling: Unlimited

METAR KHEF 230055Z 16003KT 10SM CLR 21/19 A2984 RMK AO1

View all Reports & Maps
Sports
Event Date Forecast
Tigers vs. Indians 7:05 PM EDT on May 22, 2012 Partly Cloudy, 61 °F
Royals vs. Yankees 7:05 PM EDT on May 22, 2012 Fog, 65 °F
Braves vs. Nationals 7:05 PM EDT on June 01, 2012 Average High 82° F/ 27° C
Braves vs. Nationals 4:05 PM EDT on June 02, 2012 Average High 81° F/ 27° C
Event Date Forecast
Recreativo de Huelva vs. Valladolid 12:00 PM CEST on May 23, 2012 Partly Cloudy, High 71° F/ 22° C
Numancia vs. Almería 12:00 PM CEST on May 23, 2012 Clear, High 75° F/ 24° C
New England vs. D.C. 7:30 PM EDT on May 26, 2012 Partly Cloudy, 83 °F
Montreal vs. D.C. 7:30 PM EDT on June 30, 2012 Average High 87° F/ 30° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Partly Cloudy, 83 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2012 Clear, 70 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 25, 2012 Clear, 72 °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. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Cedar Ridge Subd, Manassas, VA 69.3 °F - 63 °F 79% East  at  0.0 mph 0.00 in / hr 275 ft 9:08 PM EDT Normal  
Lee Manor, Manassas, VA 69.3 °F - 62 °F 79% East  at  0.0 mph 0.00 in / hr 275 ft 9:10 PM EDT Normal
Beckford Grant, Manassas, VA 69.8 °F - 67 °F 90% SW  at  0.0 mph 0.00 in / hr 299 ft 9:10 PM EDT Rapid Fire  
Great Oak, Manassas, VA 70.5 °F - 66 °F 85% ESE  at  0.0 mph 0.00 in / hr 227 ft 8:50 PM EDT Normal  
Westgate, Manassas, VA 71.9 °F 71 °F 67 °F 85% ESE  at  0.0 mph 0.00 in / hr 178 ft 9:11 PM EDT Rapid Fire
Bear Creek, Manassas, VA 68.4 °F - 54 °F 60% NE  at  0.0 mph 0.00 in / hr 282 ft 9:11 PM EDT Normal  
T Clay Wood Elementary, Nokesville, VA 69.4 °F - 66 °F 88% SSE  at  2.0 mph 0.00 in / hr 0 ft 9:06 PM EDT Normal  
Centre Ridge, Centreville, VA 73.4 °F 74 °F 66 °F 78% South  at  3.1 mph 0.00 in / hr 300 ft 9:11 PM EDT Rapid Fire  
Gingerwood, Manassas, VA 68.6 °F - 66 °F 93% SW  at  0.0 mph 0.00 in / hr 331 ft 9:11 PM EDT Rapid Fire
Bridlewood, Gainesville, VA 71.6 °F 73 °F 64 °F 77% South  at  0.0 mph 0.00 in / hr 285 ft 9:10 PM EDT Normal  
JAWS - Just Another Weather Station, Gainesville, VA 71.8 °F 73 °F 64 °F 77% North  at  0.0 mph 0.00 in / hr 367 ft 9:11 PM EDT Rapid Fire  
Laurianne Woods, Gainesville, VA 71.6 °F 73 °F 64 °F 77% North  at  0.0 mph 0.00 in / hr 204 ft 9:11 PM EDT Rapid Fire  
Sangsters Court, Clifton, VA 68.1 °F - 67 °F 95% ESE  at  0.0 mph 0.00 in / hr 375 ft 9:02 PM EDT Normal  
CENTREweather, Centreville, VA 70.8 °F - 66 °F 86% East  at  0.0 mph 0.00 in / hr 262 ft 9:11 PM EDT Rapid Fire
Morris Farm, Gainesville, VA 69.8 °F - 65 °F 86% SSE  at  1.6 mph 0.00 in / hr 269 ft 9:11 PM EDT Rapid Fire  
Little Rocky Run, Centreville, VA 69.6 °F - 66 °F 89% SSW  at  0.0 mph 0.00 in / hr 308 ft 9:11 PM EDT Rapid Fire  
APRSWXNET Centreville VA , Centreville, VA 70 °F - 66 °F 88% SW  at  0 mph 0.00 in / hr 308 ft 8:39 PM EDT MADIS
Independent Hill, VA, Nokesville, VA 67.8 °F - 47 °F 47% SSE  at  0.0 mph 0.00 in / hr 326 ft 9:11 PM EDT Rapid Fire
Greenwich, Nokesville, VA 69.0 °F - 66 °F 90% ENE  at  0.0 mph 0.00 in / hr 361 ft 9:11 PM EDT Rapid Fire  
Dale Blvd - Woodbridge, Woodbridge, VA 69.3 °F - 67 °F 92% SE  at  0.0 mph 0.00 in / hr 345 ft 9:11 PM EDT Rapid Fire  
Oak Valley/KT4ER, Gainesville, VA 69.9 °F - 66 °F 88% East  at  0.0 mph 0.00 in / hr 496 ft 9:11 PM EDT Rapid Fire  
Greenhill Crossing, Haymarket, VA 71.9 °F 71 °F 66 °F 83% NE  at  0.0 mph 0.00 in / hr 0 ft 9:10 PM EDT Normal
Piedmont, Haymarket, VA 69.7 °F - 64 °F 84% SW  at  1.0 mph 0.00 in / hr 358 ft 9:11 PM EDT Rapid Fire  
Oak Valley / Yewing, Gainesville, VA 68.3 °F - 66 °F 91% West  at  0.0 mph 0.00 in / hr 370 ft 9:09 PM EDT Normal  
Wind Power Cube, Chantilly, VA 69.3 °F - 66 °F 90% NW  at  3.1 mph 0.00 in / hr 203 ft 9:11 PM EDT Rapid Fire  
Brookfield, Chantilly, VA 69.8 °F - 46 °F 43% SSW  at  0.0 mph 0.00 in / hr 260 ft 9:11 PM EDT Normal  
Lake Ridge, Woodbridge, VA 70.8 °F - 67 °F 87% East  at  0.0 mph 0.00 in / hr 255 ft 9:11 PM EDT Rapid Fire  
Dominion Valley, Haymarket, VA 72.9 °F 74 °F 65 °F 77% South  at  2.0 mph 0.00 in / hr 384 ft 9:09 PM EDT Normal  
Chantilly, VA 68.0 °F - 67 °F 97% North  at  0.0 mph 0.00 in / hr 308 ft 9:11 PM EDT Rapid Fire  
Ridings at Blue Springs, Chantilly, VA 69.3 °F - 66 °F 90% SSW  at  0.0 mph 0.00 in / hr 303 ft 9:08 PM EDT Normal
Snow Hill, Haymarket, VA 70.5 °F - 66 °F 86% WSW  at  0.0 mph 0.00 in / hr 454 ft 9:11 PM EDT Normal  
Fairfax - Kings Park West, Fairfax, VA 69.6 °F - 59 °F 68% South  at  0.0 mph 0.00 in / hr 310 ft 9:11 PM EDT Rapid Fire
Ponds, Burke, VA 70.9 °F 75 °F 59 °F 67% ESE  at  0.0 mph 0.00 in / hr 193 ft 9:09 PM EDT Normal  
Crosspointe, Fairfax Station, VA 71.7 °F 71 °F 66 °F 83% SSE  at  3.0 mph 0.00 in / hr 315 ft 8:36 PM EDT Normal  
Gracie's Window in FranklinGlen, Fairfax, VA 70.4 °F 70 °F 65 °F 83% SW  at  0.0 mph 2.59 in / hr 365 ft 9:09 PM EDT Rapid Fire  
Franklin Glen/KR4YO, Fairfax, VA 68.7 °F - 68 °F 97% North  at  0.0 mph 0.00 in / hr 367 ft 9:11 PM EDT Rapid Fire  
Brookside, Warrenton, VA 72.4 °F 74 °F 64 °F 76% SW  at  1.3 mph 0.00 in / hr 371 ft 9:10 PM EDT Rapid Fire  
VADOT I-66_@_Haymarket, Broad Run, VA 72 °F 75 °F 62 °F 70% SW  at  1 mph 0.00 in / hr 429 ft 8:15 PM EDT MADIS
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Flash Flood Watch
Mobile & Email Alerts Statement as of 7:16 PM EDT on May 22, 2012

... Flash Flood Watch in effect until 6 am EDT Wednesday...

The National Weather Service in Sterling Virginia has issued a

* Flash Flood Watch for portions of northern Virginia and the
extreme eastern Panhandle of West Virginia... including the
following areas... in Virginia... Clarke... Loudoun... northern
Fauquier... Prince William/Manassas/Manassas Park and southern
Fauquier. In northeast West Virginia... Jefferson.

* Until 6 am EDT Wednesday

* showers and thunderstorms will move into the extreme eastern
Panhandle of West Virginia and northern Virginia late this
evening and overnight. Locally heavy downpours will be possible
over the same locations that received heavy rainfall on Monday
night. Consequently... it will only take an inch or less of
rainfall in an hour to produce flash flooding.

* This rainfall could cause the same creeks and streams that
flooded last night to rise out of their banks.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.


Jrk


Local Storm Report
Mobile & Email Alerts


05/22/2012 0245 PM

2 miles NE of Aden, Prince William County.

Flood, reported by Fire Dept/Rescue.


            Several roads remain flooded and closed south of
            Bristow including Old Church Road and Bristow Road.





05/22/2012 0300 am

2 miles N of Aden, Prince William County.

Flash flood, reported by broadcast media.


            Part of roadway washed out due to flash flooding along
            Valley View Dr near Nokesville. Time is estimated.





05/22/2012 0200 am

3 miles SSW of Aden, Prince William County.

Flash flood, reported by broadcast media.


            Part of roadway along Fleetwood Dr near Nokesville was
            washed out by flash flooding. Time of wash out is
            estimated.





05/22/2012 0200 am

1 miles se of Aden, Prince William County.

Flash flood, reported by broadcast media.


            Section of Aden Road at misty creek court was washed
            out due to heavy rainfall leading to flash flooding.
            Time of washout is estimated.





05/22/2012 0723 am

3 miles WSW of Manassas, Prince William County.

Flood, reported by 911 call center.


            3 swift water rescues underway around the Broad Run
            area.





05/22/2012 0719 am

3 miles WSW of Manassas, Prince William County.

Flood, reported by broadcast media.


            Piper ln heading towards the Broad Run vre stop has
            water over roadway. Report of vehicles being trapped in
            water.





05/22/2012 0129 am

1 miles N of Gainesville, Prince William County.

Flash flood, reported by dept of highways.


            Heathcote Blvd at cartharpin Road closed due to
            flooding.





05/22/2012 1254 am

2 miles se of Gainesville, Prince William County.

Flash flood, reported by dept of highways.


            Linton Hall Road at harness shop Road closed due to
            flooding.





05/22/2012 1205 am

1 miles SSW of Haymarket, Prince William County.

Flash flood, reported by dept of highways.


            Old Carolina Road at thoroughfare Road closed due to
            flooding





05/22/2012 1202 am

2 miles ESE of Gainesville, Prince William County.

Flash flood, reported by dept of highways.


            Wellington Road at Piney branch Lane closed due to
            flooding





05/22/2012 0126 am

2 miles S of Catharpin, Prince William County.

Flash flood, reported by dept of highways.


            Pageland Lane at Artemus Road closed due to flooding.





05/22/2012 0107 am

2 miles WNW of Bull Run, Prince William County.

Flash flood, reported by dept of highways.


            Prince William Parkway at Balls Ford Road closed due to
            flooding.





05/22/2012 0122 am

2 miles ENE of Gainesville, Prince William County.

Flash flood, reported by dept of highways.


            US 29 Lee Highway and Pageland Lane closed due to
            flooding





05/22/2012 0124 am

Catharpin, Prince William County.

Flash flood, reported by dept of highways.


            Sanders Lane at Sudley Road closed due to flooding





05/22/2012 0130 am

Aden, Prince William County.

Flash flood, reported by 911 call center.


            Swift water Rescue.





05/22/2012 1230 am

2 miles NE of Nokesville, Prince William County.

Flash flood, reported by 911 call center.


            Nokesville Road at aiden Road sr 646 closed due to
            water over the Road





05/22/2012 1230 am

3 miles W of Bull Run, Prince William County.

Flash flood, reported by 911 call center.


            Devlin Road at jennell drive closed due to high water





05/22/2012 1230 am

3 miles se of Gainesville, Prince William County.

Flash flood, reported by 911 call center.


            Devlin Road at asheleys Park Lane closed due to water
            over the Road.





05/22/2012 1220 am

Gainesville, Prince William County.

Flash flood, reported by 911 call center.


            John Marshall Highway and cartharpin Road closed due to
            high water



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