Chantilly, VA

7:22 PM EDT on June 19, 2013 (GMT -0400)
Elev: 285 ft
Lon: 77.5° W
Lat: 38.9° N
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Tropical Weather: Tropical Storm Barry (North Atlantic) Tropical Storm Leepi (Western Pacific)
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June 18, 2013
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Weather Summary
Kari Kiefer
Weather Underground midday recap for Wednesday, June 19, 2013. A transitional weather day occurred Wednesday as some areas of the country experienced active weather. The most active weather developed in the Plains as a storm moved through the Rockies and into the western Plains. This feature carried some moisture that produced areas of scattered showers and thunderstorms from the Oklahoma panhandle through Nebraska. Some of these thunderstorms were quite strong and were related to the thunderstorm that produced a tornado at the Denver International Airport Tuesday.

Meanwhile, a front moved along the eastern seaboard and produced areas of scattered showers and even some thunderstorms from Virginia through the Northeast coast. As the front moved off the coast, rain diminished for most areas. The one exception to this was in North Carolina where the front lingered through the afternoon.

Elsewhere, scattered showers developed through the Northwest and Intermountain West as a Summer storm system moved through the area.

A large high pressure system anchored over the Great Lakes provide dry conditions for much of the northern half of the country from the Plains through much of New England.

The Northeast rose into the 70s and 80s, while the Southeast saw temperatures in the 80s and 90s. The Southern Plains rose into the 90s and 100s, while the Southwest saw similar temperatures.
Weather Underground midday recap for Wednesday, June 19, 2013. A transitional weather day occurred Wednesday as some areas of the country experienced active weather. The most active weather developed in the Plains as a storm moved through the Rockies and into the western Plains. This feature carried some moisture that produced areas of scattered showers and thunderstorms from the Oklahoma panhandle through Nebraska. Some of these thunderstorms were quite strong and were related to the thunderstorm that produced a tornado at the Denver International Airport Tuesday.

Meanwhile, a front moved along the eastern seaboard and produced areas of scattered showers and even some thunderstorms from Virginia through the Northeast coast. As the front moved off the coast, rain diminished for most areas. The one exception to this was in North Carolina where the front lingered through the afternoon.

Elsewhere, scattered showers developed through the Northwest and Intermountain West as a Summer storm system moved through the area.

A large high pressure system anchored over the Great Lakes provide dry conditions for much of the northern half of the country from the Plains through much of New England.

The Northeast rose into the 70s and 80s, while the Southeast saw temperatures in the 80s and 90s. The Southern Plains rose into the 90s and 100s, while the Southwest saw similar temperatures.
More News Articles

Chantilly Weather at a Glance

Updated 7:21 PM EDT
Elevation
303 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
74.7 °F
Feels Like 76 °F
Wind(mph)
0.0
Sunrise / Set
5:44 AM
8:38 PM
Moon
Waxing Gibbous
Tonight
Partly Cloudy 57 °F
Partly Cloudy
Tomorrow
Partly Cloudy 81 °F
Partly Cloudy
Tomorrow Night
Clear 57 °F
Clear
Friday
Partly Cloudy 84 | 59 °F
Partly Cloudy
Saturday
Clear 86 | 63 °F
Clear
Sunday
Mostly Cloudy 93 | 66 °F
Mostly Cloudy
Tomorrow is forecast to be nearly the same temperature as today.
Conditions
Pressure
30.08 in
Visibility
10.0 miles
Clouds
Scattered Clouds 3800 ft
Mostly Cloudy 7000 ft
Mostly Cloudy 25000 ft
Moisture
Humidity
71%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KIAD 192252Z 13005KT 10SM SCT038 BKN070 BKN250 23/16 A3009 RMK AO2 SLP186 T02280161
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Heat Index
76 °F
Dew Point
65 °F
Wind
Speed / Dir
Calm
Wind Gust
0.0 mph
Health
UV
1 out of 16
Pollen
4.40 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds less than 5 mph.
Thursday
partlycloudy Partly cloudy in the morning, then clear. High of 81F. Winds from the SSE at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
Friday
partlycloudy Clear in the morning, then partly cloudy. High of 84F. Winds from the SSE at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy in the evening, then clear. Low of 59F. Winds from the SSE at 5 to 10 mph.
Saturday
clear Clear. High of 86F. Winds from the SSE at 5 to 10 mph.
Saturday Night
nt_partlycloudy Mostly cloudy in the evening, then clear. Low of 63F. Winds from the South at 5 to 10 mph.
Sunday
mostlycloudy Partly cloudy in the morning, then overcast. High of 93F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 66F. Winds from the South at 5 to 10 mph.
Monday
partlycloudy Clear. High of 95F. Winds from the South at 5 to 10 mph.
Monday Night
nt_clear Clear with a chance of a thunderstorm. Low of 68F. Winds less than 5 mph. Chance of rain 20%.
Tuesday
partlycloudy Partly cloudy. High of 97F. Winds less than 5 mph.
Tuesday Night
nt_partlycloudy Clear with a chance of a thunderstorm. Low of 68F. Winds from the SW at 5 to 10 mph. Chance of rain 20%.
Wednesday
partlycloudy Clear. High of 95F. Winds less than 5 mph.
Wednesday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Thursday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 91F. Winds from the SW at 5 to 10 mph. Chance of rain 20%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds less than 5 mph. Chance of rain 40%.
Friday
partlycloudy Partly cloudy. High of 90F. Winds from the SW at 5 to 10 mph.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 70F. Winds less than 5 mph. Chance of rain 40%.
Saturday
partlycloudy Partly cloudy. High of 88F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 70F. Winds less than 5 mph.
Sunday
clear Clear. High of 86F. Winds less than 5 mph.
Sunday Night
nt_clear Clear. Low of 70F. Winds less than 5 mph.
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Chantilly Weather Forecast

View Calendar 10-Day Forecast for 20152 Weather Station KVACHANT7

Wednesday, 19
Partly Cloudy
79 | 57 °F
Partly Cloudy
Chance of
Precipitation
10%
Thursday, 20
Partly Cloudy
81 | 57 °F
Partly Cloudy
Chance of
Precipitation
10%
Friday, 21
Partly Cloudy
84 | 59 °F
Partly Cloudy
Chance of
Precipitation
10%
Saturday, 22
Clear
86 | 63 °F
Clear
Chance of
Precipitation
0%
Sunday, 23
Mostly Cloudy
93 | 66 °F
Mostly Cloudy
Chance of
Precipitation
0%
Monday, 24
Partly Cloudy
95 | 68 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 25
Partly Cloudy
97 | 68 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 26
Partly Cloudy
95 | 73 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 27
Chance of a Thunderstorm
91 | 73 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Friday, 28
Partly Cloudy
90 | 70 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 57 74 | 58 75 | 58 62 | 58
Wind 6 mph North 10 mph North 5 mph NNE 1 mph NNW
Humidity 85% 57% 57% 85%
Chance of Precip. 30% 10% 10% 10%
Cloud Cover 62% 60% 64% 35%
Conditions Chance of Rain Partly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
5:44 AM
8:38 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.50], Average RMSE [1.45]
The National Weather Service forecast quality is good. MaxT RMSE [2.16], Average RMSE [2.30] : Use NWS
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy in the morning, then clear. High of 81F. Winds from the SSE at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 56 76 | 57 75 | 56 62 | 55
Wind 4 mph South 8 mph SSE 8 mph SSE 5 mph SSE
Humidity 88% 50% 52% 81%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 32% 27% 17% 19%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:44 AM
8:38 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.61], Average RMSE [1.50]
The National Weather Service forecast quality is good. MaxT RMSE [2.14], Average RMSE [2.42] : Use NWS
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Friday
partlycloudy Clear in the morning, then partly cloudy. High of 84F. Winds from the SSE at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy in the evening, then clear. Low of 59F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 56 76 | 55 78 | 56 64 | 60
Wind 2 mph SSW 6 mph SE 7 mph SE 5 mph SSE
Humidity 86% 49% 49% 88%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 17% 22% 31% 8%
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
5:44 AM
8:38 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.93], Average RMSE [1.28]
The National Weather Service forecast quality is good. MaxT RMSE [2.43], Average RMSE [2.69] : Use NWS
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Saturday
clear Clear. High of 86F. Winds from the SSE at 5 to 10 mph.
Saturday Night
nt_partlycloudy Mostly cloudy in the evening, then clear. Low of 63F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 58 82 | 64 82 | 64 69 | 62
Wind 4 mph South 5 mph SSE 8 mph SSE 6 mph South
Humidity 87% 55% 54% 79%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 1% 18% 75%
Conditions Clear Clear Clear Mostly Cloudy
Sunrise & Sunset
5:45 AM
8:39 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.35], Average RMSE [1.78]
The National Weather Service forecast quality is fair. MaxT RMSE [2.61], Average RMSE [2.48] : Use NWS
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Sunday
mostlycloudy Partly cloudy in the morning, then overcast. High of 93F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 66F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 60 83 | 62 84 | 62 71 | 69
Wind 4 mph SW 7 mph South 7 mph SSE 7 mph South
Humidity 80% 47% 48% 91%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 22% 27% 99% 9%
Conditions Clear Partly Cloudy Overcast Clear
Sunrise & Sunset
5:45 AM
8:39 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.10], Average RMSE [1.92]
The National Weather Service forecast quality is fair. MaxT RMSE [2.67], Average RMSE [2.35] : Use NWS
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Monday
partlycloudy Clear. High of 95F. Winds from the South at 5 to 10 mph.
Monday Night
nt_clear Clear with a chance of a thunderstorm. Low of 68F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 67 85 | 72 87 | 71 73 | 71
Wind 5 mph SSW 6 mph South 6 mph SSE 4 mph SSW
Humidity 94% 62% 59% 95%
Chance of Precip. 0% 10% 10% 20%
Cloud Cover 23% 2% 14% 10%
Conditions Fog Clear Clear Chance of a Thunderstorm
Sunrise & Sunset
5:45 AM
8:39 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.92], Average RMSE [1.81]
The National Weather Service forecast quality is fair. MaxT RMSE [3.27], Average RMSE [2.41] : Use NWS
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 97F. Winds less than 5 mph.
Tuesday Night
nt_partlycloudy Clear with a chance of a thunderstorm. Low of 68F. Winds from the SW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 67 85 | 70 84 | 70 74 | 71
Wind 2 mph West 3 mph NNW 5 mph SSW 6 mph SW
Humidity 89% 59% 61% 85%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 0% 21% 32% 12%
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
5:46 AM
8:39 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.57], Average RMSE [2.04]
The National Weather Service forecast quality is poor. MaxT RMSE [4.24], Average RMSE [17.15] : Use NWS
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 95F. Winds less than 5 mph.
Wednesday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 67 88 | 69 85 | 70 76 | 72
Wind 3 mph WSW 3 mph WSW 7 mph SSE 6 mph South
Humidity 88% 54% 61% 88%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 1% 33% 25% 72%
Conditions Clear Partly Cloudy Clear Mostly Cloudy
Sunrise & Sunset
5:46 AM
8:39 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.18], Average RMSE [2.29]
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 91F. Winds from the SW at 5 to 10 mph. Chance of rain 20%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 74 | 69 87 | 72 87 | 74 76 | 74
Wind 4 mph WSW 6 mph SW 6 mph SW 5 mph SW
Humidity 81% 61% 68% 95%
Chance of Precip. 10% 0% 10% 10%
Cloud Cover 55% 48% 46% 43%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:46 AM
8:39 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.27], Average RMSE [2.75]
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 90F. Winds from the SW at 5 to 10 mph.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 70F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 74 | 72 85 | 72 85 | 72 74 | 72
Wind 5 mph SW 5 mph SW 5 mph SW 3 mph SW
Humidity 91% 63% 66% 93%
Chance of Precip. 10% 10% 0% 10%
Cloud Cover 39% 47% 67% 70%
Conditions Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:47 AM
8:39 PM
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 88F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 70F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 70 83 | 69 84 | 68 72 | 67
Wind 2 mph WSW 1 mph SSW 3 mph South 2 mph South
Humidity 92% 62% 59% 81%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 56% 38% 16% 6%
Conditions Fog Partly Cloudy Clear Clear
Sunrise & Sunset
Sun does not rise
Source: BestForecast at 4:44 PM EDT on June 19, 2013
Descriptive Forecast
Sunday
clear Clear. High of 86F. Winds less than 5 mph.
Sunday Night
nt_clear Clear. Low of 70F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 65 83 | 66 82 | 68 76 | 68
Wind 2 mph South 2 mph SSE 4 mph SSE 3 mph SE
Humidity 80% 57% 61% 73%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 6% % % %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Local Storm Report,  Public Information Statement  (US Severe Weather)
Weather History & Almanac
June 19, 2013 Max Temp Min Temp
Normal (KIAD) 85 °F 62 °F
Record (KIAD) 98 °F (1994) 45 °F (1986)
Yesterday 74 °F 65 °F
Yesterday's Cooling Degree Days: 5
Weather History for Chantilly, VA
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
OZONE
Current Good
PM2.5
Wednesday Good
PM2.5
Wednesday Good
OZONE
Thursday Moderate
OZONE
Thursday Good
PM2.5
Friday Moderate
OZONE
Friday Moderate
PM2.5
Saturday Moderate
OZONE
Saturday Moderate
PM2.5
Coastal Water Temperatures
Place Temperature
Washington, DC 75.9 °F
Lewisetta, VA 75.9 °F
Solomons Island, MD 75.9 °F
Marine Forecast
Astronomy
Jun. 19, 2013 Rise Set
Actual Time 5:44 AM EDT 8:38 PM EDT
Civil Twilight 5:12 AM EDT 9:10 PM EDT
Nautical Twilight 4:32 AM EDT 9:51 PM EDT
Astronomical Twilight 3:45 AM EDT 10:37 PM EDT
Moon 4:30 PM EDT 2:26 AM EDT
Length Of Visible Light 15h 58m
Length of Day
14h 53m
Tomorrow will be 0m 4s longer.
Waxing Gibbous, 83% of the Moon is Illuminated
Today
Waxing Gibbous
Jun 23
Full
Jun 30
Last Quarter
Jul 8
New
Jul 15
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
82 °F
Jonesville
82 °F
Martinsville
81 °F
Abingdon
80 °F
Danville
80 °F
Roanoke
55 °F
Hot Springs
55 °F
Blacksburg
56 °F
Richlands
56 °F
Staunton
57 °F
Lynchburg
Record Extremes
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 73 °F Mostly Cloudy 6:52 PM EDT
Leesburg 75 °F Overcast 7:15 PM EDT
Manassas 73 °F Mostly Cloudy 4:45 PM EDT
Fort Belvoir 74 °F Clear 6:58 PM EDT
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Flight To ETA Status
DLH414
Munich 		KIAD 07:16PM On Time
DLH414
Munich 		KIAD 07:18PM On Time
UAL1062
Houston, TX 		KIAD 07:19PM On Time
AAL1720
Dallas-Fort Worth, TX 		KIAD 07:25PM On Time
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Type Condition
Flight Rule: VFR (KIAD)
Wind Speed: 5.0 kts.
Wind Dir: 182° (South)
Ceiling: 7000 ft

METAR KIAD 192252Z 13005KT 10SM SCT038 BKN070 BKN250 23/16 A3009 RMK AO2 SLP186 T02280161

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Nearby Events
Event Date Forecast
Jason Masi 7:00 PM EDT
2013-06-20		 Clear, 75°F
Parallel Wine Bistro (Solo) 7:00 PM EDT
2013-06-20		 Clear, 75°F
Round Mountain 7:00 PM EDT
2013-06-25		 Chance of a Thunderstorm, 84°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Orioles vs. Tigers 1:08 PM EDT on June 19, 2013 Clear, 72 °F
Marlins vs. Diamondbacks 12:40 PM MST on June 19, 2013 Clear, 104 °F
Rockies vs. Nationals 7:05 PM EDT on June 20, 2013 Clear, 76 °F
Rockies vs. Nationals 7:05 PM EDT on June 21, 2013 Partly Cloudy, 76 °F
Event Date Forecast
Almería vs. Girona 8:00 PM CEST on June 19, 2013 Chance of a Thunderstorm, High 80° F/ 27° C
Houston vs. Montreal 8:00 PM EDT on June 19, 2013 Forecast not available.
San Jose vs. D.C. 7:00 PM EDT on June 22, 2013 Partly Cloudy, 79 °F
Vancouver vs. D.C. 7:00 PM EDT on June 29, 2013 Average High 87° F/ 30° C
Event Date Forecast
Toyota/Save Mart 350 12:19 PM PDT on June 23, 2013 Clear, 68 °F
Quaker State 400 7:45 PM EDT on June 29, 2013 Average High 84° F/ 28° C
Event Date Forecast
Travelers Championship 8:30 AM EDT on June 20, 2013 Clear, 58 °F
Travelers Championship 8:30 AM EDT on June 21, 2013 Clear, 58 °F
AT&T National 8:30 AM EDT on June 27, 2013 Average High 87° F/ 30° C
AT&T National 8:30 AM EDT on June 28, 2013 Average High 86° F/ 29° C
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20152 Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Ridings at Blue Springs, Chantilly, VA 74.7 °F 76 °F 65 °F 71% South  at  0.0 mph 0.00 in / hr 303 ft 7:21 PM EDT Normal
Kirkpatrick Farms, Aldie, VA 74.7 °F 76 °F 66 °F 73% South  at  0.0 mph 0.00 in / hr 358 ft 7:15 PM EDT Normal
Cedar Crest, Chantilly, VA 71.0 °F 70 °F 66 °F 84% SSE  at  0.0 mph 0.00 in / hr 292 ft 7:12 PM EDT Normal  
NonFedAWOS WASHINGTON DULLES , Dulles, VA 73 °F 76 °F 61 °F 66% SE  at  6 mph 0.00 in / hr 1023 ft 6:52 PM EDT MADIS
Brambleton, Ashburn, VA 74.8 °F 76 °F 64 °F 70% West  at  0.0 mph - / hr 358 ft 7:12 PM EDT Normal  
Brambleton, Brambleton, VA 75.1 °F 77 °F 65 °F 71% ESE  at  0.0 mph 0.00 in / hr 310 ft 7:22 PM EDT Rapid Fire  
Compass Rose Farm, Haymarket, VA 73.0 °F 74 °F 65 °F 76% SE  at  0.0 mph 0.00 in / hr 350 ft 7:22 PM EDT Normal  
Wind Power Cube, Chantilly, VA 74.8 °F 77 °F 64 °F 68% NNE  at  3.1 mph 0.00 in / hr 203 ft 7:22 PM EDT Normal  
CENTREweather, Centreville, VA 73.4 °F 75 °F 64 °F 72% South  at  0.0 mph 0.00 in / hr 262 ft 7:22 PM EDT Rapid Fire
Gracie's Window in FranklinGlen, Fairfax, VA 75.8 °F 78 °F 60 °F 57% North  at  0.0 mph 0.00 in / hr 365 ft 7:22 PM EDT Rapid Fire  
Chantilly, VA 72.3 °F 72 °F 67 °F 83% North  at  0.0 mph 0.00 in / hr 308 ft 7:20 PM EDT Normal  
Brookfield, Chantilly, VA 73.6 °F 76 °F 38 °F 28% SSW  at  0.0 mph 0.00 in / hr 260 ft 7:22 PM EDT Normal  
Chantilly Highlands, Herndon, VA 72.9 °F 74 °F 65 °F 77% East  at  0.7 mph 0.00 in / hr 340 ft 7:22 PM EDT Rapid Fire  
Oak Valley / Yewing, Gainesville, VA 73.5 °F 75 °F 65 °F 74% WSW  at  0.0 mph 0.00 in / hr 370 ft 7:10 PM EDT Normal  
Oak Valley/KT4ER, Gainesville, VA 74.5 °F 76 °F 66 °F 74% ESE  at  0.0 mph 0.00 in / hr 496 ft 7:22 PM EDT Rapid Fire  
Snow Hill, Haymarket, VA 73.3 °F 73 °F 68 °F 82% West  at  0.0 mph 0.00 in / hr 454 ft 7:22 PM EDT Rapid Fire  
Centreville, VA, Centreville, VA 76.3 °F 78 °F 64 °F 66% SSE  at  3.7 mph - / hr 351 ft 7:08 PM EDT Normal  
APRSWXNET Centreville VA , Centreville, VA 74 °F 76 °F 64 °F 71% SSW  at  0 mph 0.00 in / hr 308 ft 6:45 PM EDT MADIS
Little Rocky Run, Centreville, VA 74.7 °F 76 °F 65 °F 72% SW  at  0.0 mph 0.00 in / hr 308 ft 7:22 PM EDT Rapid Fire  
VADOT Site_G, Herndon, VA 74 °F 77 °F 58 °F 57% ENE  at  4 mph 0.00 in / hr 339 ft 6:35 PM EDT MADIS
Fair Lakes / AJ4YI, Fairfax, VA 72.7 °F 75 °F 63 °F 71% SE  at  0.3 mph 0.00 in / hr 420 ft 7:22 PM EDT Rapid Fire  
Bull Run Mountain, Haymarket, VA 68.2 °F - 64 °F 86% SE  at  1.0 mph 0.00 in / hr 1035 ft 7:19 PM EDT Normal  
Bull Run Mountain (FBI Unit #2666), Haymarket, VA 69.7 °F - 66 °F 87% SSE  at  0.0 mph 0.00 in / hr 565 ft 7:08 PM EDT Normal  
Piedmont, Haymarket, VA 68.0 °F - - - SSW  at  5.0 mph 0.00 in / hr 358 ft 7:10 PM EDT Rapid Fire  
Evergreen Country Club, Haymarket, VA 73.6 °F 74 °F 66 °F 78% NW  at  0.0 mph 0.00 in / hr 436 ft 7:20 PM EDT Normal  
Little Rocky Run, Clifton, VA 73.9 °F 75 °F 64 °F 72% SW  at  1.6 mph 0.00 in / hr 302 ft 7:22 PM EDT Rapid Fire  
Folkstone, Oak Hill, VA 71.0 °F 71 °F 66 °F 83% WNW  at  0.0 mph 0.00 in / hr 375 ft 7:22 PM EDT Rapid Fire  
Bull Run Mtn, Haymarket, VA 69.4 °F - 66 °F 88% ESE  at  0.0 mph 0.00 in / hr 642 ft 7:20 PM EDT Normal
Oakton, Oakton, VA 70.8 °F 71 °F 65 °F 81% SSE  at  0.0 mph 0.00 in / hr 455 ft 7:00 PM EDT Normal  
Ashburn Village, Ashburn, VA 74.8 °F 77 °F 63 °F 67% ENE  at  0.0 mph - / hr 320 ft 7:09 PM EDT Normal  
Mountainview Estates, Haymarket, VA 73.2 °F 74 °F 65 °F 76% SSW  at  0.0 mph 0.00 in / hr 486 ft 7:22 PM EDT Rapid Fire  
Fox Mill, Herndon, VA 70.5 °F 75 °F 29 °F 21% WNW  at  0.0 mph 0.00 in / hr 383 ft 7:22 PM EDT Rapid Fire  
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Local Storm Report
Mobile & Email Alerts


06/13/2013 0332 PM

2 miles E of Countryside, Loudoun County.

Thunderstorm wind damage, reported by public.


            Tree down along algonkian Parkway near Cascades
            Parkway.





06/13/2013 0332 PM

2 miles E of Countryside, Loudoun County.

Thunderstorm wind damage, reported by public.


            Tree down along algonkian Parkway near Cascades
            Parkway.





06/13/2013 0332 PM

1 miles W of Countryside, Loudoun County.

Thunderstorm wind damage, reported by Emergency Mngr.


            65-foot-tall 3-foot-diameter tree fell into a house on
            White Oak drive in Sterling... VA. Reported by Loudoun
            County emergency mgmt.



View All U.S. Severe Weather
Public Information Statement
Mobile & Email Alerts Statement as of 4:43 PM EDT on June 19, 2013

... Two long track EF-0 tornadoes now confirmed in Maryland from June 13th...

Additional investigations continue in Maryland and Virginia.
Additional tornado confirmations are possible.

A second EF-0 tornado was confirmed today in Saint Marys County
Maryland from the June 13th severe weather outbreak. This joins
the previously confirmed tornado in Montgomery County Maryland.

Additional information can be passed on to the National Weather
Service. These reports are still preliminary and may be adjusted
by additional information received. The Montgomery County segment
below has been refined by a slight westward revision of the
starting point.

The National Weather Service in Sterling expresses its
appreciation to those who assisted in conducting surveys and
provided information used during the surveys... including members
of the emergency management... Skywarn storm spotters... and members
of the public affected by these storms.

... Tornado confirmed in Montgomery County Maryland...

Location... North Potomac to Burtonsville in Montgomery County Maryland
date... June 13 2013
estimated time... 3:41 PM EDT to 3:59 PM EDT
maximum ef-scale rating... EF-0
estimated maximum wind speed... 75 mph
maximum path width... 150 yards
path length... 18.0 miles
beginning lat/Lon... 39.080n / 77.279w
ending lat/Lon... 39.108n / 76.947w
* fatalities... 0
* injuries... 0

* the information in this statement is preliminary and subject to
change pending final review of the event(s) and publication in
NWS storm data.

... Summary...

Eyewitness accounts... radar imagery... and a ground survey concluded
a long track EF-0 tornado occurred in Montgomery County Maryland
on the afternoon of June 13th 2013. Peak winds were estimated at
75 mph. Damage was almost entirely from downed trees. In that
regard numerous homes and a few parked vehicles were damaged by
trees falling onto them. No injuries have been reported.

First consistent damage was noted along Bonnie Dale drive and
Glenhurst court and Road where several trees were downed in the
community. Also... near the intersection of Turkey Foot Road and
Jones Lane in southwest Montgomery County near North Potomac
Maryland a few large trees were over the Road. The tornado raced
east at nearly 60 mph to the northern section of Rockville Maryland.
At least 14 homes were significantly damaged by uprooted trees. As
it continued east to the Norbeck and Aspen Hill area 30 trees were
uprooted in the Manor Country Club Golf course as well as numerous
homes damaged in the surrounding communities from tree damage. Tree
damage was noted along the intercounty connector Route 200 at the
Layhill Road exit. Finally a few trees were downed in Spencerville
and Burtonsville.

Based on the damage, this tornado is rated EF-0, with estimated
wind speeds of 75 mph. The 18.0 mile damage path length was covered
in 18 minutes and had consistent small branch damage with
occasional areas with significant tree damage.

Additionally there was a parallel 7 miles path of damage through south
Rockville and Glenmont Maryland with similar tree damage. This
area was found to be straight line winds from the outflow just
south of the tornado from the parent supercell storm.

The National Weather Service would like to extend its thanks to Montgomery
County fire who confirmed the tornado on the ground during the storm
and Montgomery County emergency management who provided invaluable
assistance during the ground survey.

&&

... EF-0 tornado confirmed in St Marys County MD...

Location... Oakley to California in St Marys County Maryland
date... June 13 2013
estimated time... 3:24 PM to 3:42 PM EDT
maximum ef-scale rating... EF-0
maximum wind speed... 75 mph
maximum path width... 200 yards
length... 13.8 miles
beginning lat/Lon... 38.278n / 76.740w
ending lat/Lon... 38.309n / 76.488w
* fatalities... none
* injuries... none

* the information in this statement is preliminary and subject to change
pending final review of the event(s) and publication in NWS storm data.

... Summary...

A ground survey conducted by the National Weather Service... together
with radar data from the WSR-88D in Sterling VA and Andrews AFB
terminal Doppler weather radar determined there was a EF-0 tornado
that traversed nearly the entire width of Saint Marys County
Maryland. Damage was intermittent along the path and was confined
to tree damage and damage resulting from downed trees. Numerous
large trees were uprooted and some trees were topped. Many were
noted in the vicinity of Oakley Road and Hodges Road... between old
rolling Road and Joan drive and between shady mile drive and Town
Creek Road.

Thunderstorm wind damage also occurred across Coltons Point between
serenity Lane and Point Breeze Road. Many large trees were uprooted
in this area.


View All U.S. Severe Weather