Our Proprietary 10-Day Forecast

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Current warnings over Bristow, 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 Bristow, 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 Bristow, 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 Prince William 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 Bristow, 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 Bristow, 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 Bristow, 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 Bristow, 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 Bristow, 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 Prince William 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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  • 3-Ensemble Mean & more!
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)
Bristow, Virginia Climate Summary

General Climate

Bristow, Virginia, experiences a humid subtropical climate, characterized by hot, humid summers and mild winters. The town is located in USDA plant hardiness zone 7b, indicating that it is suitable for a wide range of plants and flowers.

Temperature

    •   Average Annual Temperature: 56.3°F (13.5°C)
    •   Average Summer Temperature (June     •   August): 77.4°F (25.2°C)
    •   Average Winter Temperature (December     •   February): 34.6°F (1.4°C)
    •   Record High Temperature: 108°F (42.2°C)
    •   Record Low Temperature: -14°F (-25.6°C)

Precipitation

    •   Average Annual Precipitation: 42.2 inches (107.2 cm)
    •   Average Snowfall: 20.2 inches (51.3 cm)
    •   Wettest Month: July (4.8 inches or 12.2 cm)
    •   Driest Month: February (2.4 inches or 6.1 cm)

Humidity

    •   Average Annual Relative Humidity: 70%
    •   Highest Monthly Relative Humidity: January (76%)
    •   Lowest Monthly Relative Humidity: September (64%)

Wind

    •   Average Annual Wind Speed: 10.2 mph (16.4 km/h)
    •   Prevailing Wind Direction: West-Southwest

Sunshine

    •   Average Annual Sunshine: 2,615 hours
    •   Sunniest Month: July (303 hours)
    •   Cloudiest Month: December (161 hours)

Climate Extremes

    •   Heat Waves: Bristow occasionally experiences heat waves, with temperatures reaching or exceeding 90°F (32.2°C) for several consecutive days.
    •   Cold Spells: During the winter months, cold spells can bring temperatures below freezing for extended periods.
    •   Thunderstorms: The area is prone to thunderstorms, especially during the summer months.
    •   Tornadoes: Bristow is located in an area with a moderate risk of tornadoes.
    •   Snowstorms: Snowstorms can occur during the winter months, bringing varying amounts of snowfall.

Overall, Bristow, Virginia, experiences a humid subtropical climate with hot, humid summers, mild winters, and moderate precipitation throughout the year.

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

    •   Bristow is home to the Bristow Run Stream Valley Park, a 440-acre preserve featuring diverse ecosystems, including wetlands, forests, and meadows.

    •   The park is a popular spot for birdwatching, with over 100 species recorded, including bald eagles, ospreys, and woodpeckers.

    •   The park also hosts a variety of amphibians, reptiles, and mammals, such as frogs, turtles, deer, and foxes.

Science

    •   Bristow is located near the Goddard Space Flight Center, a major NASA facility.

    •   The center is responsible for developing and launching numerous space missions, including the Hubble Space Telescope and the James Webb Space Telescope.

    •   Bristow residents have access to educational programs and events offered by the center, such as lectures, workshops, and tours.

Personalities

    •   John H. Bristow, a prominent local farmer and businessman, founded the town of Bristow in 1872.

    •   Bristow was also home to several notable scientists and engineers who worked at the Goddard Space Flight Center, including:

    •   James Van Allen, who discovered the Van Allen radiation belts

    •   John C. Mather, who won the Nobel Prize in Physics for his work on the Cosmic Background Explorer satellite

Tourist Attractions
1.Manassas National Battlefield Park

(10 miles from Bristow): A historic park commemorating the First and Second Battles of Manassas, featuring preserved battlefields, hiking trails, and a museum.

2.Jiffy Lube Live

(5 miles from Bristow): An outdoor concert venue hosting a wide range of musical acts, from country to rock to pop.

3.Stonebridge at Potomac Town Center

(3 miles from Bristow): A large outdoor shopping mall with over 150 stores, restaurants, and entertainment options.

Nearby Cities:

Nokesville, VA
Manassas, VASudley, VA
Loch Lomond, VABuckhall, VA
Manassas Park, VAYorkshire, VA
Gainesville, VAIndependent Hill, VA
Haymarket, VACentreville, VA
New Baltimore, VAFairfax Station, VA
Greenbriar, VADale City, VA
Chantilly, VAPotomac Mills, VA
Baltimore, MD
Washington, DCRichmond, VA
Arlington, VAAlexandria, VA
Columbia, MDGermantown, MD
Silver Spring, MDFrederick, MD
Waldorf, MDGlen Burnie, MD
Gaithersburg, MD