Adelphi, MD Tornado History — 117 Tornadoes Since 1950
How many tornadoes has Adelphi, MD had?
Adelphi has had 117 tornadoes on record within 25 miles since 1950, including 4 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Adelphi?
The most recent tornado within 25 miles of Adelphi was an EF0 on June 18, 2025.
When is tornado season in Adelphi?
June is historically the peak month for tornadoes near Adelphi, with 22 on record. April through June account for 52 of the 117 tornadoes on record near Adelphi.
At a Glance
Recent Tornado Activity Near Adelphi
The last 20 years of confirmed tornadoes within 25 miles — 51 total, averaging 2.5 per year over this window.
Preliminary tornado reports near Adelphi since December 29, 2025
This is a preliminary report, not confirmed tornadoes. It has not yet been through an NWS damage survey, and is not counted in the confirmed totals above.
Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.
Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.
National Weather Service Storm Survey confirms a brief EF-1 tornado occurred in Cooksville... MD from approximately 7:06PM to 7:07PM. Maximum wind is estimated at 90 mp (LWX)
Within 25 miles of Adelphi. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
What storm spotters reported near Adelphi
2 local storm reports have been filed within 25 miles of Adelphi and since confirmed into the NOAA archive, the earliest on June 18, 2025 and the most recent on June 19, 2025. They are already counted in the Adelphi totals above; quoted below is the narrative each reporting office filed at the time.
NWS Storm Survey confirmed an EF-0 tornado briefly touched down in Odenton... MD at approximately 440 pm... with peak winds estimated at 80mph. Path length was 0.1 mile (LWX)
Corrected for time/date. NWS Storm Survey confirmed an EF-0 tornado briefly touched down in Odenton... MD at approximately 215 pm... with peak winds estimated at 80mph. (LWX)
Source: National Weather Service and trained-spotter local storm reports, relayed by the NOAA Storm Prediction Center.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Casualties on Record Near Adelphi
3 fatalities have been recorded within 25 miles of Adelphi since 1950, across 2 events. 121 injuries have been reported across all events. 2001 was the deadliest year on record near Adelphi.
The deadliest single event was an F3 on September 24, 2001, which caused 2 fatalities along a 17.5-mile track.
Notable Tornadoes Near Adelphi
What the record shows near Adelphi
The 1990s were the busiest decade near Adelphi, with 32 of the 117 confirmed tornadoes within 25 miles; the 2020s have produced 16 so far. The Adelphi record runs from the 1950s to today.
Of the tornadoes rated near Adelphi, 102 reached EF0 or EF1 and 14 reached EF2 or stronger. The most intense on record near Adelphi is rated EF3, of which 4 are logged. A further 1 near Adelphi is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Adelphi has averaged 2.5 confirmed tornadoes a year within 25 miles, 51 in total. 2011 was the busiest of them with 8, and 2 of those years passed with none at all.