Tornado History
Northumberland Tornado History
This county-level tornado history page focuses on Northumberland, Pennsylvania. The records below identify 14 tornadoes from 1953 through 2017, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $25.4M, with 2 deaths and 20 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Northumberland, Pennsylvania
Top local patterns from the historical tornado records in this group.
Average 0.2 tornadoes per year (0.1/yr in last decade)
September is the peak tornado month with 3 recorded events
Deadliest tornado: F3 in Northumberland, Pennsylvania with 2 deaths
1998 was the most active year with 2 tornadoes
The 1990s had the most tornado activity (4 events)
Longest tornado: 15 miles in Northumberland, Pennsylvania
Widest tornado: 2,640.0 yards in Northumberland, Pennsylvania
Most tornadoes in one day: 1 on Sep 12, 1953
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Northumberland, Pennsylvania, September is the most active month with 3 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1998 was the most active year with 2 recorded tornadoes.
Property Damage Trends
Visualizes reported property damage over time. Bars use a log-like scale so very large damage years do not flatten the rest of the chart.
Summary: The highest reported property damage year in this group is 1985 with at least $25.0M in NOAA-listed property damage.
Historical Track Sketch
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Northumberland, Pennsylvania.
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Notable Tornado Records
The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.
| Date | Rating | Area | Length | Width | Deaths | Injuries | Min. property damage |
|---|---|---|---|---|---|---|---|
| May 31, 1985 | F3 | Northumberland, Pennsylvania | 4 mi | 2640 yd | 2 | 20 | $25.0M |
| August 28, 1978 | F2 | Northumberland, Pennsylvania | 0 mi | 33 yd | 0 | 0 | $25K |
| September 12, 1953 | F2 | Northumberland, Pennsylvania | 4.7 mi | 50 yd | 0 | 0 | $2K |
| May 23, 1983 | F1 | Northumberland, Pennsylvania | 1 mi | 30 yd | 0 | 0 | $250K |
| April 16, 1993 | F1 | Northumberland, Pennsylvania | 0.2 mi | 30 yd | 0 | 0 | $50K |
| June 30, 2015 | EF1 | Northumberland, Pennsylvania | 1.1 mi | 100 yd | 0 | 0 | $50K |
| May 23, 2011 | EF1 | Northumberland, Pennsylvania | 0.95 mi | 100 yd | 0 | 0 | $25K |
| June 2, 1998 | F1 | Northumberland, Pennsylvania | 15 mi | 440 yd | 0 | 0 | N/A |
| September 27, 1998 | F1 | Northumberland, Pennsylvania | 1.2 mi | 704 yd | 0 | 0 | N/A |
| September 4, 2001 | F1 | Northumberland, Pennsylvania | 0.5 mi | 300 yd | 0 | 0 | N/A |
| August 26, 1975 | F0 | Northumberland, Pennsylvania | 0 mi | 33 yd | 0 | 0 | $2K |
| July 18, 1997 | F0 | Northumberland, Pennsylvania | 2.3 mi | 100 yd | 0 | 0 | N/A |
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Source And Limits
Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.