Our Proprietary 10-Day Forecast

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Current warnings over Harahan, 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 Harahan, 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 Harahan, 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 Jefferson 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 Harahan, 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 Harahan, 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 Harahan, 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 Harahan, 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 Harahan, 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 Jefferson 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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  • 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)
Harahan, Louisiana Climate Summary

General Climate

    •   Harahan, Louisiana has a humid subtropical climate, with hot, humid summers and mild, wet winters.
    •   The average annual temperature is 68.9°F (20.5°C).
    •   The average annual precipitation is 59.2 inches (150.4 cm).

Summer

    •   The average summer temperature is 81.9°F (27.7°C).
    •   The average high temperature in July is 90.8°F (32.7°C).
    •   The average low temperature in July is 73.0°F (22.8°C).
    •   The average summer precipitation is 23.6 inches (59.9 cm).

Winter

    •   The average winter temperature is 49.9°F (9.9°C).
    •   The average high temperature in January is 58.1°F (14.5°C).
    •   The average low temperature in January is 41.7°F (5.4°C).
    •   The average winter precipitation is 19.6 inches (49.8 cm).

Spring and Fall

    •   The average spring temperature is 63.9°F (17.7°C).
    •   The average fall temperature is 63.9°F (17.7°C).
    •   The average spring precipitation is 16.0 inches (40.6 cm).
    •   The average fall precipitation is 16.0 inches (40.6 cm).

Other Climate Data

    •   The average annual snowfall is 0.2 inches (0.5 cm).
    •   The average number of days with measurable precipitation is 110.
    •   The average relative humidity is 77%.
    •   The average wind speed is 6.9 mph (11.1 km/h).

Climate Extremes

    •   The highest recorded temperature was 107°F (41.7°C) on August 29, 2000.
    •   The lowest recorded temperature was -10°F (-23.3°C) on January 21, 1985.
    •   The wettest year on record was 1983, with 88.5 inches (224.8 cm) of precipitation.
    •   The driest year on record was 1956, with 29.9 inches (75.9 cm) of precipitation.

Climate Change

    •   The climate of Harahan, Louisiana is changing due to climate change.
    •   The average annual temperature has increased by 1.8°F (1.0°C) since 1895.
    •   The average annual precipitation has increased by 5.9 inches (15.0 cm) since 1895.
    •   The number of days with measurable precipitation has increased by 10 days since 1895.
    •   The average annual snowfall has decreased by 0.1 inches (0.3 cm) since 1895.

Sources

    •   National Oceanic and Atmospheric Administration (NOAA)
    •   National Weather Service (NWS)
    •   Louisiana State University (LSU)
    •   Tulane University

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

    •   Harahan is situated on the banks of the Mississippi River, providing a rich habitat for diverse aquatic life, including alligators and river otters.

    •   The city is home to the Audubon Park and Zoo, renowned for its conservation efforts and extensive wildlife exhibits.

Science

    •   Harahan is the birthplace of Dr. Ernest Lawrence, a Nobel Prize-winning physicist who invented the cyclotron, a particle accelerator used in nuclear research.

    •   The city is also home to the Louisiana Universities Marine Consortium, a research institution focused on coastal and marine science.

Personalities

    •   Harahan was the childhood home of actress and singer Bette Davis, who rose to fame in Hollywood's Golden Age.

    •   The city is named after James T. Harahan, a railroad executive who played a pivotal role in its development.

Tourist Attractions
1.Audubon Zoo

(New Orleans): A renowned zoological park featuring over 2,000 animals from around the world, including endangered species and interactive exhibits.

2.National World War II Museum

(New Orleans): A state-of-the-art museum dedicated to preserving and sharing the history of the Second World War through immersive exhibits, artifacts, and personal stories.

3.French Quarter

(New Orleans): A historic and vibrant neighborhood known for its colorful architecture, lively nightlife, and delicious Creole cuisine. It is a short drive from Harahan and offers a glimpse into the unique culture and history of New Orleans.

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