NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Gervais, OR
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
No tropical storm or hurricane has passed within 75 miles of Gervais, Oregon since records began in 1851. Since 1950, 23 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 23
- EF3 or stronger
- 0
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Gervais
The highest rating among the 23 tornadoes within 25 miles is F2 or EF2, reached 2 times; the most recent, on December 14, 2010, came within 17 miles. Of the 23, one had a path within 5 miles of the city centre, and 9 have come since 2000. October has had the most tornadoes, 7. The most recent tornado was on October 24, 2022. Gervais has more tornadoes within 25 miles than 82% of the 149 Oregon cities on this site.
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Tornadoes within 25 miles of Gervais
By decade
- 2020s1
- 2010s3
- 2000s5
- 1990s10
- 1980s2
- 1970s1
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Dec 14, 2010 | EF2 | 17 mi | 5 mi | 0 / 2 |
| Dec 8, 1993 | F2 | 12 mi | 6 mi | 0 / 0 |
| Jun 13, 2013 | EF1 | 16 mi | 0.25 mi | 0 / 0 |
| Jun 21, 2003 | F1 | 22 mi | 0.3 mi | 0 / 0 |
| Oct 9, 2000 | F1 | 22 mi | 0.1 mi | 0 / 0 |
| Oct 9, 2000 | F1 | 14 mi | 0.1 mi | 0 / 0 |
| Nov 12, 1991 | F1 | 20 mi | 0.2 mi | 0 / 0 |
| Mar 8, 1960 | F1 | 23 mi | 1 mi | 0 / 0 |
| Oct 24, 2022 | EF0 | 4 mi | 0.04 mi | 0 / 0 |
| Oct 12, 2017 | EF0 | 12 mi | 0.62 mi | 0 / 0 |
| Dec 16, 2006 | F0 | 5 mi | 1.5 mi | 0 / 0 |
| Jun 18, 2004 | F0 | 17 mi | 0.1 mi | 0 / 0 |
The strongest 12 of 23, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Gervais
The Storm Prediction Center has no hail reports within 10 miles of Gervais since 1955.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Gervais
The nearest NOAA station with 1991–2020 climate normals is Silverton, OR, 9 miles southeast of Gervais at 408 feet. August is the warmest, with an average high of 80°F and low of 56°F; December is the coolest, at 46°F and 35°F. December is the wettest at 7.5 inches of precipitation on average and July the driest at 0.4 inches; the year adds up to 47.3 inches over 110 days with at least a tenth of an inch. Highs reach 90°F on about 9 days a year, almost all from July to August. Lows fall below freezing on about 44 nights a year. Snowfall averages 1.1 inches a year, most of it in February. That 47.3 inches is more than at 49 of the 77 Oregon stations used on this site (64%). Woodburn, 4 miles northeast, has its own station (Aurora State Airport, OR): 39.6 inches a year, 7.7 less than here, and an August average high of 83°F against 80°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 47 | 35 | 6.7 | 14 | 0.1 |
| Feb | 50 | 36 | 4.9 | 12 | 0.8 |
| Mar | 55 | 38 | 5.5 | 13 | 0.0 |
| Apr | 60 | 42 | 4.2 | 12 | 0.0 |
| May | 67 | 47 | 2.9 | 8 | 0.0 |
| Jun | 72 | 51 | 1.8 | 6 | 0.0 |
| Jul | 80 | 56 | 0.4 | 1 | 0.0 |
| Aug | 80 | 56 | 0.5 | 2 | 0.0 |
| Sep | 74 | 52 | 1.7 | 4 | 0.0 |
| Oct | 63 | 45 | 4.2 | 9 | 0.0 |
| Nov | 52 | 39 | 7.0 | 14 | 0.0 |
| Dec | 46 | 35 | 7.5 | 15 | 0.2 |
| Year | 62 | 44 | 47.3 | 110 | 1.1 |
Averages for 1991–2020 at Silverton, OR (408 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Gervais
Since 1996, the National Weather Service has logged 6 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Gervais: 2 heavy rain events, 2 thunderstorm wind reports, 1 flood and 1 lightning strike. They killed 1 person and injured 0, and the NWS estimated $219,000 in property and crop damage. The strongest thunderstorm gust on record here was 52 mph, on September 18, 2020.
January 18, 2019: heavy rain event 7 miles from the centre of Gervais — 1 killed.
December 18, 2015: flood 10 miles from the centre of Gervais — $128,000 damage.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Marion County, which includes Gervais, has been named in 15 federal disaster or emergency declarations since 1964, 10 of them major disasters (by incident: 4 fires, 4 floods, 3 severe storms, 2 biological emergencies). The latest major disaster declaration was Severe Winter Storm, on May 4, 2021. FEMA's National Risk Index gives Marion County a Relatively High rating for natural hazard risk overall; by hazard: Relatively High for strong wind and lightning; Relatively Moderate for inland flooding and heat waves; Relatively Low for hail; Very Low for tornadoes. It models the county's expected loss from all 18 hazards it covers at $171.1 million a year, the 5th highest of 36 Oregon counties; of the hazards above, the largest share, $37.5 million (22%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Gervais
- Woodburn, OR4 mi
- Mount Angel, OR6 mi
- Hubbard, OR7 mi
- Silverton, OR9 mi
- Keizer, OR10 mi
- Aurora, OR10 mi
- Dayton, OR11 mi
- Dundee, OR13 mi
- Salem, OR13 mi
- Lafayette, OR14 mi
- Newberg, OR14 mi
- Canby, OR15 mi
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