Williamsport, MD (ZIP 21795) has experienced 71 recorded natural disaster events based on federal and state agency records. These include 49 hailstorms, 6 tornadoes, and 5 severe wind events. Total documented property damage amounts to $17.9M. A total of 5 injuries have been reported across all events.
The dominant hazard type for Williamsport is hailstorms, with 49 recorded events making up 69% of the area's disaster history. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for hail-related events here is 5/5 (extreme). The most recent recorded hailstorm occurred on May 27, 2024.
Williamsport has experienced 6 tornadoes on record. Tornado-related events have caused a combined $802.5K in documented property damage. The most recent recorded tornado occurred on May 17, 2011.
Williamsport has experienced 5 severe wind events on record. Wind-related events have caused a combined $552.5K in documented property damage. The most recent recorded severe wind event occurred on Apr 19, 2025.
Williamsport has experienced 4 blizzards on record. Winter storm events have caused a combined $40K in documented property damage. The most recent recorded blizzard occurred on Jan 14, 1999.
Williamsport has experienced 4 floods on record. Of these, 2 (50%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $15.6M in documented property damage. The most recent recorded flood occurred on May 12, 2008.
Williamsport has experienced 2 extreme heat events on record. Of these, 2 (100%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for heat-related events here is 4/5 (severe). The most recent recorded extreme heat event occurred on Jul 4, 1999.
The most significant disaster event on record for Williamsport was Flood on Jan 19, 1996, which caused $15M in property damage. Another major event was Frost/Freeze (Apr 10, 1997), causing $1M in damages. Flood on Sep 6, 1996 also caused significant damage ($520K).
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Based on federal and state records, ZIP code 21795 has experienced 71 natural disaster events. The hazard types affecting this area include hailstorms (49 events), tornadoes (6 events), severe wind events (5 events), blizzards (4 events), floods (4 events), extreme heat events (2 events), and extreme cold event (1 event). The primary hazard is hailstorms, which account for 69% of all recorded events.
Hailstorms are the most frequently recorded hazard in Williamsport, MD, with 49 events documented.
Yes, Williamsport (ZIP 21795) has 4 recorded flood events. These floods have caused $15.6M in total property damage. The most recent flood on record occurred on May 12, 2008.
Williamsport has 6 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $802.5K. The most recent tornado was recorded on May 17, 2011.
The most damaging natural disaster on record for ZIP code 21795 was Flood, which occurred on Jan 19, 1996. This event caused $15M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $17.9M in property damage in the Williamsport, MD area (ZIP 21795). This figure is based on historical records from FEMA, NOAA Storm Events Database, and USGS, and covers events from the 1950s through the present. Actual damages may be higher, as not all events have complete damage assessments.
Data sourced from FEMA (disaster declarations, NFIP flood claims), NOAA Storm Events Database, USGS Earthquake Hazards Program, and NIFC wildfire records. Historical coverage varies by source, with most records beginning in the 1950s–1970s. Full methodology →