Our Proprietary 10-Day Forecast

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Current warnings over Glen Rock, 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 Glen Rock, 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 Glen Rock, 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 York 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 Glen Rock, 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 Glen Rock, 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 Glen Rock, 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 Glen Rock, 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 Glen Rock, 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 York 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)
Glen Rock, Pennsylvania Climate Summary

General Climate

    •   Humid continental climate with warm, humid summers and cold, snowy winters.
    •   Four distinct seasons with moderate temperature variations.

Temperature

    •   Average Annual Temperature

51.6°F (11°C)

    •   Average Summer Temperature (June-August)

71.6°F (22°C)

    •   Average Winter Temperature (December-February)

30.6°F (-0.8°C)

    •   Record High Temperature

104°F (40°C)

    •   Record Low Temperature

-16°F (-26.7°C)

Precipitation

    •   Average Annual Precipitation

43.2 inches (1100 mm)

    •   Average Snowfall

26.6 inches (67.6 cm)

    •   Wettest Month

May (4.4 inches)

    •   Driest Month

February (2.6 inches)

Humidity

    •   Average Annual Humidity

64%

    •   Most Humid Month

July (70%)

    •   Least Humid Month

January (55%)

Wind

    •   Average Wind Speed

9.3 mph (15 km/h)

    •   Prevailing Wind Direction

West-southwest

Other Climate Characteristics

    •   Growing Season

170-180 days

    •   Hardiness Zone

6a

    •   Average Number of Thunderstorm Days

15

    •   Average Number of Foggy Days

20

    •   Average Number of Clear Days

120

Climate Trends

    •   Increasing temperatures over the past century, with more frequent heat waves.
    •   Decreasing snowfall and more frequent winter precipitation as rain.
    •   More intense and frequent storms, including thunderstorms and heavy rainfall events.

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

    •   Glen Rock is home to the Codorus Creek, which is designated as a Pennsylvania Scenic River.

    •   The area was once a vast forest, with oak, hickory, and maple trees. Today, the town is surrounded by farmland and rolling hills.

Science

    •   The Glen Rock Quarry was once a major source of limestone, which was used in the construction of the Chesapeake and Ohio Canal.

    •   The town was also home to the Glen Rock Scientific and Historical Society, which was founded in 1885 and is still active today.

Personalities

    •   Glen Rock was the birthplace of George W. Glick, a prominent geologist and paleontologist.

    •   The town was also home to Dr. Samuel S. Shorb, a physician and naturalist who wrote extensively about the local flora and fauna.

Tourist Attractions
1. Codorus State Park: This park offers a variety of recreational activities, including hiking, biking, fishing, and camping. It is also home to the Codorus Creek, which is a popular spot for kayaking and canoeing.

2. Glen Rock Mill Inn: This historic inn was built in 1795 and is one of the oldest operating inns in the United States. It is a popular spot for weddings and other special events.

3. Susquehanna State Park: This park is located along the Susquehanna River and offers a variety of recreational activities, including hiking, biking, fishing, and boating. It is also home to the Susquehanna River Trail, which is a popular spot for hiking and biking.

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