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Current warnings over Havre de Grace, Maryland
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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 Havre de Grace, Maryland 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 Havre de Grace, Maryland 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 Harford County, MD

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 Havre de Grace, Maryland

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 Havre de Grace, MD 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 Havre de Grace, MD

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 Havre de Grace, MD, 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 Havre de Grace, Maryland

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 Harford County, Maryland

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)
Here is a climate summary for Havre de Grace, Maryland:

Temperature

    •   Average annual temperature: 55.4°F (13°C)
    •   Average summer temperature (June-August): 77.8°F (25.4°C)
    •   Average winter temperature (December-February): 34.7°F (1.5°C)
    •   Highest recorded temperature: 105°F (40.6°C) on July 10, 1936
    •   Lowest recorded temperature: -12°F (-24.4°C) on January 21, 1985

Precipitation

    •   Average annual precipitation: 43.5 inches (110.5 cm)
    •   Average annual snowfall: 17.5 inches (44.5 cm)
    •   Wettest month: July, with an average of 4.6 inches (11.7 cm) of precipitation
    •   Driest month: February, with an average of 2.6 inches (6.6 cm) of precipitation

Other Climate Data

    •   Average annual relative humidity: 70%
    •   Average annual wind speed: 10.5 mph (16.9 km/h)
    •   Prevailing wind direction: West-southwest

Climate Classification

    •   Köppen climate classification: Cfa (humid subtropical climate)

Climate Summary

Havre de Grace, Maryland has a humid subtropical climate, with hot, humid summers and mild, cool winters. The city experiences all four seasons, with distinct changes in temperature and precipitation throughout the year. Summers are typically warm and humid, with average high temperatures in the upper 80s Fahrenheit (low 30s Celsius). Winters are generally mild, with average high temperatures in the mid-40s Fahrenheit (low single digits Celsius). Precipitation is fairly evenly distributed throughout the year, with slightly more rain in the summer months. Snowfall is relatively light, averaging around 17.5 inches (44.5 cm) per year.

Additional Information

    •   Havre de Grace is located in USDA Hardiness Zone 7a, which means that the average annual minimum temperature is between 0°F and 5°F (-17.8°C and -15°C).
    •   The city is also located in the Chesapeake Bay watershed, which means that it is susceptible to flooding and other weather-related hazards.

I hope this summary is helpful. Please let me know if you have any other questions.

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

    •   Havre de Grace is home to the Susquehanna Flats, a 12,000-acre tidal wetland ecosystem that supports a diverse array of wildlife, including migratory birds, fish, and shellfish.

    •   The city's waterfront is a popular spot for birdwatching, with over 300 species recorded.

Science

    •   Havre de Grace was the site of the first successful use of a submarine in warfare, when David Bushnell's Turtle attacked a British warship in 1776.

    •   The city is home to the Aberdeen Proving Ground, a major research and development facility for the U.S. Army.

Personalities

    •   Havre de Grace was the birthplace of John Wilkes Booth, the assassin of President Abraham Lincoln.

    •   The city was also home to Harriet Tubman, who escaped slavery and became a prominent abolitionist and spy during the Civil War.

Tourist Attractions
1.Concord Point Lighthouse

This historic lighthouse, built in 1827, offers stunning views of the Susquehanna River and Chesapeake Bay. Visitors can climb to the top for panoramic vistas.

2.Havre de Grace Maritime Museum

This museum showcases the maritime history of Havre de Grace and the Chesapeake Bay region. It features exhibits on shipbuilding, fishing, and the area's role in the War of 1812.

3.Loch Raven Reservoir

Located just a few miles north of Havre de Grace, this reservoir is a popular spot for fishing, boating, and hiking. It offers scenic trails, picnic areas, and a fishing pier.

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