Our Proprietary 10-Day Forecast

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Current warnings over Perryman, 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 Perryman, 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 Perryman, 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 Perryman, 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 Perryman, 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 Perryman, 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 Perryman, 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 Perryman, 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)
Perryman, Maryland, experiences a humid subtropical climate (Köppen Cfa), with hot, humid summers and mild winters. The town is located in USDA Hardiness Zone 7b, which means that the average annual minimum temperature is between 5 and 10 degrees Fahrenheit.

Temperature

The average temperature in Perryman ranges from 36.5 degrees Fahrenheit in January to 78.6 degrees Fahrenheit in July. The highest temperature ever recorded in Perryman was 104 degrees Fahrenheit on July 20, 1930, while the lowest temperature ever recorded was -12 degrees Fahrenheit on January 22, 1984.

Precipitation

Perryman receives an average of 43.8 inches of precipitation per year, which is fairly evenly distributed throughout the year. However, the town is prone to occasional heavy rainfall events, which can cause flooding.

Snowfall

Perryman receives an average of 12.2 inches of snow per year. Snowfall is typically light and infrequent, but the town can experience occasional heavy snowstorms.

Climate Change

The climate of Perryman is changing, as it is in the rest of the world. The average temperature in Perryman has increased by about 1 degree Fahrenheit since the late 19th century, and the town is experiencing more extreme weather events, such as heat waves, droughts, and floods.

Overall

Perryman, Maryland, has a humid subtropical climate with hot, humid summers and mild winters. The town is prone to occasional heavy rainfall events and snowstorms, and the climate is changing due to global warming.

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

    •   Perryman lies on the shores of the Bush River, an estuary teeming with diverse marine life, including blue crabs, oysters, and striped bass.

    •   The area is home to several bird sanctuaries, including the Susquehanna Flats Wildlife Management Area, which attracts migratory waterfowl and shorebirds.

Science

    •   Perryman was the site of the first successful underwater telephone cable, laid in 1851 by the Chesapeake and Atlantic Telegraph Company.

    •   The town is also home to the Perryman Wastewater Treatment Plant, which utilizes innovative technology to treat wastewater and protect the environment.

Personalities

    •   Harriet Tubman, the legendary abolitionist, lived in Perryman for a brief period in the 1850s.

    •   John Wilkes Booth, the assassin of President Abraham Lincoln, is believed to have hidden in Perryman after the assassination.

Tourist Attractions
1.Swan Point Cemetery

is a historic cemetery located in Havre de Grace, Maryland. It is the final resting place of many notable figures, including Edgar Allan Poe, Francis Scott Key, and John Wilkes Booth.

2.Havre de Grace Maritime Museum

is a maritime museum located in Havre de Grace, Maryland. The museum tells the story of the city's maritime history, and features exhibits on shipbuilding, fishing, and the Chesapeake Bay.

3.Perry Point Veterans Affairs Medical Center

is a veterans hospital located in Perry Point, Maryland. The hospital provides medical care to veterans of the United States Armed Forces.

Nearby Cities:

Riverside, MD
Aberdeen, MDEdgewood, MD
Joppatowne, MDHavre de Grace, MD
South Bel Air, MDBel Air, MD
Perryville, MDNorth Bel Air, MD
Pleasant Hills, MDKingsville, MD
Fallston, MDBowleys Quarters, MD
White Marsh, MDCharlestown, MD
Perry Hall, MDMiddle River, MD
Philadelphia, PA
Baltimore, MDWashington, DC
Arlington, VAAlexandria, VA
Allentown, PAEdison, NJ
Columbia, MDToms River, NJ
Reading, PAGermantown, MD
Trenton, NJ