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Reliable tornado data sourced from official organizations:
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Reliable tornado data sourced from official organizations:
Complete tornado information for Pennsylvania - from real-time warnings to historical data and comprehensive statistics dating back to 1950.
The National Weather Service has issued no tornado warnings for Pennsylvania today, Friday, October 31, 2025.
Active and expired tornado warnings in Pennsylvania for 2025
Live tornado warnings currently in effect for Pennsylvania
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Explore tornado data for specific counties in Pennsylvania. Click on any county to view detailed tornado statistics, active alerts, and historical events at the county level.
Comprehensive database of tornado events in Pennsylvania recorded since 1950 through the end of 2024(1,050 total records)
Total Tornados
1050
Total Deaths
83
Total Injuries
1309
Property Damage
$1.8B
Avg Length
2.8 mi
Avg Width
151 yd
Top insights and patterns from the historical tornado data, revealing the most important statistics about tornado activity in this region.
Detailed charts and visualizations revealing tornado patterns by intensity, seasonality, and impact. These analytics show historical trends and unique characteristics of tornado activity in this region.
Shows tornado frequency across different months of the year, highlighting seasonal patterns. This information helps identify peak tornado seasons and periods of heightened risk.
Reveals the hourly pattern of tornado occurrence, showing when tornadoes are most likely to strike. Late afternoon and early evening (3-7 PM) are peak tornado hours, while nighttime tornadoes are rare but especially dangerous.β° All times shown in local time for Pennsylvania.
Identifies the counties most frequently affected by tornadoes in Pennsylvania. This geographical breakdown helps pinpoint tornado hotspots and vulnerable areas.
Summary: WESTMORELAND has experienced the highest number of tornadoes (46) in Pennsylvania, accounting for 4.4% of all tornado events in this state. The top three most tornado-prone counties (WESTMORELAND, CRAWFORD, and LANCASTER) account for 12% of all tornado activity.
Shows tornado frequency by year with both actual annual counts (bars) and a 5-year moving average (line) to reveal long-term trends. The moving average helps smooth out year-to-year variations, making it easier to identify patterns and changes over time.
Visualizes the financial impact of tornadoes over time with both actual yearly damage (bars) and a 5-year moving average (line) to reveal trends. Toggle between logarithmic and linear scales to view the data in different waysβlog scale helps compare years with vastly different damage amounts, while linear scale shows absolute differences more clearly.
Shows the breakdown of tornadoes by intensity rating (EF/F scale). Vertical bars make it easy to compare the prevalence of different tornado strengths, with counts and percentages displayed above each bar.
Shows the average number of deaths and injuries per tornado for each intensity rating. This reveals the exponentially increasing danger as tornado strength increasesβan EF3 tornado is many times more likely to cause casualties than an EF0 or EF1.Note: Combines historical F-scale (pre-2007) with modern EF-scale (2007+) data.
Interactive map showing the paths and touchdowns of all recorded tornado events. Explore the spatial patterns and identify frequently affected areas.
Click on a tornado path to view detailed information. Paths are colored by intensity:
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Comprehensive chronological list of all tornado events with detailed information on each occurrence. View specifics about intensity, damage, casualties, and timing for individual tornado events.
