Our Proprietary 10-Day Forecast

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Current warnings over Old Jefferson, Louisiana
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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 Old Jefferson, Louisiana 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 Old Jefferson, Louisiana 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 East Baton Rouge County, LA

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 Old Jefferson, Louisiana

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 Old Jefferson, LA 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 Old Jefferson, LA

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 Old Jefferson, LA, 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 Old Jefferson, Louisiana

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 East Baton Rouge County, Louisiana

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)
Old Jefferson, Louisiana Climate Summary

General Climate

    •   Old Jefferson, Louisiana has a humid subtropical climate, with hot, humid summers and mild winters.
    •   The average annual temperature is 69.4°F (20.8°C).
    •   The average annual precipitation is 58.5 inches (148.6 cm).

Summer

    •   The average summer temperature is 82.8°F (28.2°C).
    •   The average high temperature in July is 90.9°F (32.7°C).
    •   The average low temperature in July is 74.7°F (23.7°C).
    •   The average summer precipitation is 18.9 inches (48.0 cm).

Winter

    •   The average winter temperature is 49.6°F (9.8°C).
    •   The average high temperature in January is 57.7°F (14.3°C).
    •   The average low temperature in January is 41.6°F (5.3°C).
    •   The average winter precipitation is 14.2 inches (36.1 cm).

Spring

    •   The average spring temperature is 63.9°F (17.7°C).
    •   The average high temperature in April is 74.9°F (23.8°C).
    •   The average low temperature in April is 52.9°F (11.6°C).
    •   The average spring precipitation is 12.6 inches (32.0 cm).

Fall

    •   The average fall temperature is 63.9°F (17.7°C).
    •   The average high temperature in October is 78.0°F (25.6°C).
    •   The average low temperature in October is 59.8°F (15.4°C).
    •   The average fall precipitation is 12.8 inches (32.5 cm).

Extreme Weather Events

    •   Old Jefferson, Louisiana is prone to extreme weather events, such as hurricanes, tornadoes, and floods.
    •   The area has been hit by several major hurricanes in recent years, including Hurricane Katrina in 2005 and Hurricane Isaac in 2012.
    •   Tornadoes are also a common occurrence in the area, with an average of 10 tornadoes reported each year.
    •   Flooding is also a problem in Old Jefferson, Louisiana, especially during the spring and summer months.

Climate Change

    •   The climate of Old Jefferson, Louisiana is changing, and the area is experiencing more extreme weather events.
    •   The average annual temperature has increased by 1.5°F (0.8°C) since 1895.
    •   The average annual precipitation has increased by 4 inches (10 cm) since 1895.
    •   The number of days with heavy precipitation has increased by 50% since 1950.
    •   The number of days with extreme heat has also increased since 1950.

Climate Change Impacts

    •   The changing climate is having a number of impacts on Old Jefferson, Louisiana, including:
    •   Increased flooding
    •   More extreme heat events
    •   Changes in plant and animal life
    •   Increased risk of disease
    •   Damage to infrastructure

Adaptation and Mitigation

    •   The city of Old Jefferson, Louisiana is working to adapt to the changing climate and mitigate its impacts.
    •   The city has developed a climate action plan that includes a number of measures to reduce greenhouse gas emissions and prepare for the impacts of climate change.
    •   These measures include:
    •   Investing in renewable energy
    •   Improving energy efficiency
    •   Planting trees
    •   Developing green infrastructure
    •   Educating the public about climate change

Conclusion

The climate of Old Jefferson, Louisiana is changing, and the area is experiencing more extreme weather events. The city is working to adapt to the changing climate and mitigate its impacts, but more needs to be done.

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

    •   Old Jefferson is home to the Jefferson Parish Arboretum, a 50-acre botanical garden showcasing native Louisiana flora.

    •   The area is part of the Mississippi River Delta, a biologically diverse ecosystem with abundant wetlands and wildlife.

    •   The nearby Barataria Preserve protects over 23,000 acres of coastal habitat, including marshes, swamps, and forests.

Science

    •   In the early 1900s, Old Jefferson was a hub for sugarcane research. The Audubon Sugar School, founded in 1891, played a vital role in developing new sugarcane varieties and processing techniques.

    •   The National Hurricane Center in Miami was originally established in Old Jefferson in 1955.

Personalities

    •   Bernard de Marigny, a prominent planter and politician, built a grand plantation in Old Jefferson in the early 1800s.

    •   Jefferson Davis, the president of the Confederate States of America, spent his final years in Old Jefferson. His home, Beauvoir, is now a historic site and museum.

    •   John James Audubon, the renowned naturalist, visited Old Jefferson in the 1820s and painted several of its bird species.

Tourist Attractions
1.Laura Plantation:

A historic sugar plantation established in 1804, offering guided tours, a museum, and a restaurant.

2.Whitney Plantation:

A former plantation dedicated to preserving the history of slavery in Louisiana, featuring exhibits, guided tours, and memorial gardens.

3.Nottoway Plantation:

The largest antebellum plantation in the South, known for its grand architecture, gardens, and guided tours.

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