01 / ANNUAL TRACE
Mercer reports by year
The annual trace distributes 290 Mercer reports across the ten complete years from 2016 through 2025.
COUNTY / AREA FILE 420852016—2025
NOAA STORM-EVENT REPORT HISTORY
Mercer, PA
NOAA recorded 290 county-coded storm-event reports across 6 event types in Mercer, PA, from 2016 through 2025, including 1 reported injuries and 0 reported fatalities.
Source: NOAA Storm Events details table · Complete years 2016–2025 · Compiled 16 Sep 2026
NOAA reports290county-coded rows
Event types6distinct NOAA labels
Population context265.4per 100,000 residents · 2024 ACS denominator 109,257
Reported damage$2.6Mnominal filed estimates
How to read this record
A report is a database record, not necessarily one whole storm. Multi-county systems can create multiple records; tornadoes may be segmented by county. Counts also reflect reporting practices and NOAA entry rules.
03 / EVENT-TYPE INDEX
Storm types reported in Mercer
4 event types have dedicated Mercer analyses after reaching the five-report publication threshold.
Dedicated analyses are published only for county-event combinations with at least five rows in the ten-year window.
04 / HUMAN IMPACT FIELDS
Injuries and fatalities reported in Mercer
Mercer NOAA rows contain 1 direct or indirect injuries and 0 direct or indirect fatalities.
Injuries1direct + indirect
Fatalities0direct + indirect
These are NOAA/NWS report fields. Zero can mean none reported; it is not a general health or disaster-loss estimate.