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Current warnings over Bryn Mawr, Pennsylvania
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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 Bryn Mawr, Pennsylvania 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 Bryn Mawr, Pennsylvania 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 Allegheny County, PA

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 Bryn Mawr, Pennsylvania

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 Bryn Mawr, PA 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 Bryn Mawr, PA

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 Bryn Mawr, PA, 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 Bryn Mawr, Pennsylvania

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 Allegheny County, Pennsylvania

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)
Bryn Mawr, Pennsylvania Climate Summary

General Climate

    •   Humid subtropical climate (Köppen classification: Cfa)
    •   Warm, humid summers and cool, dry winters
    •   Moderate precipitation throughout the year

Temperature

    •   Average annual temperature: 54.8°F (12.7°C)
    •   Average summer temperature (June-August): 75.2°F (24°C)
    •   Average winter temperature (December-February): 33.2°F (0.7°C)
    •   Record high temperature: 106°F (41°C)
    •   Record low temperature: -13°F (-25°C)

Precipitation

    •   Average annual precipitation: 43.7 inches (111 cm)
    •   Most precipitation falls in May and September
    •   Least precipitation falls in February
    •   Snowfall: Average of 23.1 inches (59 cm) per year

Humidity

    •   High humidity throughout the year
    •   Average relative humidity: 70%

Sunshine

    •   Average annual sunshine: 2,542 hours
    •   Most sunshine in June and July
    •   Least sunshine in December and January

Wind

    •   Prevailing wind direction: West-southwest
    •   Average wind speed: 9 mph (14 km/h)

Other Climate Data

    •   Growing season: 180 days
    •   Hardiness zone: 6b
    •   Heat index: Can reach 100°F (38°C) in the summer
    •   Wind chill: Can drop below 0°F (-18°C) in the winter

Climate Trends

    •   Bryn Mawr is experiencing a gradual increase in average temperatures and precipitation.
    •   The frequency and intensity of extreme weather events, such as heat waves and heavy rainfall, are also increasing.

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

    •   Bryn Mawr is home to the historic Elmwood Park Zoo, founded in 1900 and renowned for its conservation efforts.

    •   The area boasts the Bryn Mawr Nature Preserve, a 125-acre sanctuary with diverse flora and fauna.

Science

    •   Bryn Mawr College, founded in 1885, is a prestigious liberal arts institution known for its strong science programs.

    •   The college's M. Carey Thomas Library houses the renowned Anneliese Maier Collection, a significant archive on the history of science.

Personalities

    •   M. Carey Thomas (1857-1935), the first female president of Bryn Mawr College, was a pioneering educator and advocate for women's rights.

    •   William Henry Furness (1802-1896), a prominent Unitarian minister, resided in Bryn Mawr and played a key role in the abolitionist movement.

    •   Charles Doolittle Walcott (1850-1927), a renowned paleontologist and Secretary of the Smithsonian Institution, lived in Bryn Mawr and established the Walcott Research Library there.

Tourist Attractions
1.Bryn Mawr College Campus:

A picturesque campus with beautiful architecture, including the iconic Taylor Hall, and a renowned arboretum with a diverse collection of plants.

2.Harriton House:

A historic mansion built in 1704, serving as the home of the signer of the Declaration of Independence, Charles Thomson. Visitors can explore the restored rooms and learn about its colonial history.

3.Merion Botanical Park:

A 17-acre botanical garden featuring a variety of plant collections, including a rose garden, a Japanese garden, and a greenhouse with tropical plants. It offers serene walking trails and a peaceful atmosphere.

Nearby Cities:

McMurray, PA
Thompsonville, PABethel Park, PA
Mount Lebanon, PABridgeville, PA
Gastonville, PACastle Shannon, PA
Baldwin, PACanonsburg, PA
Whitehall, PAMuse, PA
Heidelberg, PAPleasant Hills, PA
Dormont, PABrentwood, PA
Carnegie, PARennerdale, PA
Cleveland, OH
Pittsburgh, PAAkron, OH
Parma, OHCanton, OH
Youngstown, OHLakewood, OH
Cuyahoga Falls, OHEuclid, OH
Mentor, OHAltoona, PA
Cleveland Heights, OH