Our Proprietary 10-Day Forecast

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Current warnings over Hanahan, South Carolina
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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 Hanahan, South Carolina 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 Hanahan, South Carolina 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 Berkeley County, SC

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 Hanahan, South Carolina

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 Hanahan, SC 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 Hanahan, SC

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 Hanahan, SC, 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 Hanahan, South Carolina

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 Berkeley County, South Carolina

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)
Hanahan, South Carolina Climate Summary

General Climate

    •   Humid subtropical climate with hot, humid summers and mild winters.
    •   Average annual temperature: 63.4°F (17.4°C)
    •   Average annual precipitation: 51.02 inches (130 cm)

Temperature

    •   Summer (June-August)

Average temperatures range from 78°F (26°C) to 90°F (32°C). High humidity can make it feel even hotter.

    •   Winter (December-February)

Average temperatures range from 42°F (6°C) to 56°F (13°C). Occasional cold fronts can bring temperatures below freezing.

    •   Spring and Fall

Temperatures are generally mild and pleasant, with average highs in the 60s and 70s (15-23°C) and average lows in the 40s and 50s (4-10°C).

Precipitation

    •   Rainfall is distributed fairly evenly throughout the year.
    •   Summer months typically receive the most rainfall, with frequent thunderstorms and occasional heavy downpours.
    •   Winter months are generally drier, but occasional rain and drizzle can occur.

Humidity

    •   Humidity is high year-round, especially during the summer months.
    •   Average relative humidity: 75%

Wind

    •   Prevailing winds are from the southwest.
    •   Wind speeds are generally light to moderate.
    •   Occasional strong winds can occur during thunderstorms or hurricanes.

Severe Weather

    •   Hurricanes

Hanahan is located in an area prone to hurricanes. The most active hurricane season is from June to November.

    •   Tornadoes

Tornadoes can occur during the spring and summer months, but are less common than in other parts of the United States.

    •   Flooding

Heavy rainfall can cause flooding in low-lying areas.

Climate Change Impacts

    •   Climate change is expected to bring warmer temperatures, more frequent and intense heat waves, and increased rainfall in Hanahan.
    •   Sea level rise is also a concern, as it could lead to coastal flooding and erosion.

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

    •   Hanahan is home to the Hanahan Plantation House, built in 1795 and listed on the National Register of Historic Places.

    •   The Ashley River Marsh, a tidal wetland, borders Hanahan and provides habitat for diverse wildlife, including alligators, egrets, and herons.

Science

    •   The College of Charleston's Coastal Carolina Research Center, located in Hanahan, conducts marine science research on topics such as climate change and coastal ecosystem health.

    •   The Hanahan Science Center, a community center, offers educational programs and exhibits on science and technology.

Personalities

  • Nancy Ward:

    A prominent Cherokee leader and peace advocate, Ward lived in the area that is now Hanahan in the late 18th century.

  • General William Moultrie:

    A Revolutionary War hero, Moultrie owned a plantation in Hanahan and is honored with a statue in the town.

  • Dr. John Hanahan:

    A physician and planter, Hanahan founded the town in 1893 and named it after himself.

    • Tourist Attractions
    1.Patriots Point Naval & Maritime Museum

    (Mount Pleasant, SC): A renowned museum showcasing a collection of historic warships, including the USS Yorktown, a decommissioned aircraft carrier.

    2.Charleston Tea Plantation

    (Wadmalaw Island, SC): The only working tea plantation in North America, offering tours, tastings, and a beautiful garden setting.

    3.Middleton Place

    (Charleston, SC): A historic plantation and garden established in 1738, featuring stunning gardens, a rice plantation, and a museum.

    Nearby Cities:

    North Charleston, SC
    Goose Creek, SCLadson, SC
    Shell Point, SCLincolnville, SC
    Centerville, SCCharleston, SC
    Sangaree, SCSummerville, SC
    Mount Pleasant, SCJames Island, SC
    Sullivans Island, SCIsle of Palms, SC
    Ravenel, SCHollywood, SC
    Folly Beach, SCMeggett, SC
    Savannah, GA
    Columbia, SCAugusta, GA
    Sumter, SCHilton Head Island, SC
    Florence, SCHinesville, GA
    Myrtle Beach, SCStatesboro, GA
    Aiken, SCPooler, GA
    North Augusta, SC