Our Proprietary 10-Day Forecast

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Current warnings over Pennville, 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 Pennville, 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 Pennville, 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 Pennville, 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 Pennville, 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 Pennville, 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 Pennville, 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 Pennville, 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.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
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.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Pennville, PA Climate Summary

General Climate

    •   Humid continental climate
    •   Warm, humid summers
    •   Cold, snowy winters

Temperature

    •   Average annual temperature: 49.1°F (9.5°C)
    •   Average summer temperature (June-August): 71.6°F (22°C)
    •   Average winter temperature (December-February): 28.2°F (-2.1°C)
    •   Record high temperature: 104°F (40°C)
    •   Record low temperature: -25°F (-31.7°C)

Precipitation

    •   Average annual precipitation: 42.2 inches (107.2 cm)
    •   Average snowfall: 35.5 inches (90.2 cm)
    •   Wettest month: May (4.4 inches)
    •   Driest month: February (2.4 inches)

Humidity

    •   Average relative humidity: 72%
    •   High humidity during summer months

Wind

    •   Prevailing wind direction: West-northwest
    •   Average wind speed: 10.2 mph (16.4 km/h)

Sunshine

    •   Average annual sunshine: 2,120 hours
    •   Sunniest month: July (248 hours)
    •   Cloudiest month: December (128 hours)

Other Climate Features

    •   Thunderstorms are common during the summer months.
    •   Fog is frequent during the fall and winter.
    •   Ice storms can occur during the winter.
    •   The area is susceptible to occasional tornadoes and severe thunderstorms.

Climate Change Impacts

    •   Rising temperatures are expected to lead to more frequent and intense heat waves.
    •   Increased precipitation is likely to result in more flooding events.
    •   Changes in precipitation patterns could affect water availability and agricultural yields.

Facts & Historical Information
(made with AI, use with caution)
Pennville, PA: Natural History and Science

  • Unique Geology:

    Pennville lies within the Appalachian Plateau, featuring distinctive sandstone cliffs and rock formations.

  • Fossil Discoveries:

    The area has yielded numerous fossils, including trilobites, brachiopods, and crinoids, providing insights into ancient marine life.

  • Rare Plants:

    Pennville is home to rare plant species, such as the dwarf ginseng and the heart-leaved foamflower, due to its diverse habitats.

  • Birdwatching Haven:

    The surrounding forests and wetlands attract a wide variety of birds, including migratory species like the cerulean warbler and the scarlet tanager.

    Historical Personalities

  • Dr. John Bell:

    A renowned naturalist and physician, Bell lived in Pennville in the early 19th century. He collected and studied local flora and fauna, contributing to the understanding of Pennsylvania's natural history.

  • Dr. Samuel Ziegler:

    A prominent scientist and inventor, Ziegler was born in Pennville. He developed the Ziegler process for producing synthetic gasoline, which had a significant impact on the automotive industry.

  • Dr. Charles Stover:

    A distinguished physicist, Stover was born in Pennville. He made groundbreaking contributions to the field of nuclear physics, including the development of the cyclotron.

    • Tourist Attractions
    1.Pine Grove Furnace State Park:

    This park offers hiking trails, camping, fishing, and a historic iron furnace.

    2.Tuscarora State Forest:

    This forest is home to a variety of hiking trails, as well as camping, fishing, and hunting opportunities.

    3.Raystown Lake:

    This lake is a popular spot for boating, fishing, and swimming. It also offers hiking trails and camping.

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    Spring Grove, PAManchester, MD
    East Berlin, PATaneytown, MD
    Gettysburg, PAGlen Rock, PA
    Westminster, MDHampstead, MD
    Philadelphia, PA
    Baltimore, MDWashington, DC
    Arlington, VAAlexandria, VA
    Allentown, PAColumbia, MD
    Reading, PAGermantown, MD
    Trenton, NJCamden, NJ
    Bethlehem, PA