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Current warnings over Lake Barcroft, Virginia
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Lake Barcroft, Virginia red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Lake Barcroft, Virginia red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Fairfax County, VA

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Lake Barcroft, Virginia

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Lake Barcroft, VA please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Lake Barcroft, VA

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Lake Barcroft, VA, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Lake Barcroft, Virginia

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Fairfax County, Virginia

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
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View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
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Climate Summary
(made with AI, use with caution)
Lake Barcroft, Virginia Climate Summary

Temperature

    •   Average annual temperature: 56.2°F (13.5°C)
    •   Average summer temperature: 77.2°F (25.1°C)
    •   Average winter temperature: 35.2°F (1.8°C)
    •   Record highest temperature: 106°F (41.1°C)
    •   Record lowest temperature: -14°F (-25.6°C)

Precipitation

    •   Average annual precipitation: 41.8 inches (106.2 cm)
    •   Average snowfall: 18.1 inches (46.0 cm)
    •   Wettest month: July (4.9 inches)
    •   Driest month: October (2.5 inches)

Humidity

    •   Average annual relative humidity: 67%
    •   Highest monthly average relative humidity: January (73%)
    •   Lowest monthly average relative humidity: September (62%)

Wind

    •   Average annual wind speed: 9.8 mph (15.8 km/h)
    •   Most common wind direction: Northwest
    •   Strongest monthly average wind speed: January (11.4 mph)
    •   Weakest monthly average wind speed: July (8.4 mph)

Sunshine

    •   Average annual sunshine: 2,600 hours
    •   Sunniest month: July (300 hours)
    •   Cloudiest month: December (180 hours)

Climate Classification

    •   Humid subtropical climate (Köppen climate classification: Cfa)

Summary

Lake Barcroft, Virginia has a humid subtropical climate with hot, humid summers and mild, cool winters. Precipitation is fairly evenly distributed throughout the year, with a slight peak in the summer months. The area is also prone to occasional severe weather, such as thunderstorms, hail, and tornadoes.

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   Lake Barcroft is a 110-acre reservoir created in 1949 by damming Holmes Run.

    •   It supports a diverse ecosystem, including over 200 species of birds, fish, and amphibians.

    •   The lake is a popular spot for fishing, kayaking, and birdwatching.

Science

    •   Lake Barcroft has been extensively studied by scientists for its water quality and ecology.

    •   Research has shown that the lake's water quality has improved significantly since its creation.

    •   The lake is also home to a unique population of bluegill fish that have adapted to the reservoir's environment.

Personalities

    •   Lake Barcroft was named after Dr. Joseph Barcroft, a British physiologist who lived in the area in the 1920s.

    •   The lake was a popular retreat for President Dwight D. Eisenhower, who had a summer home nearby.

    •   The lake has also been the setting for several movies and television shows, including \

Tourist Attractions
1.Lake Barcroft Park

is a 20-acre park located on the shores of Lake Barcroft. The park features a playground, picnic tables, a fishing pier, and a boat launch.

2.Lake Barcroft Swim & Tennis Club

is a private club that offers swimming, tennis, and other recreational activities. The club is open to members and their guests.

3.The Torpedo Factory Art Center

is located in nearby Alexandria, Virginia. The center is home to over 80 artist studios and galleries. Visitors can watch artists at work, purchase artwork, and take classes.

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