NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Hydro, OK
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
2 tropical systems have passed within 75 miles of Hydro, Oklahoma since 1851, 0 of them at hurricane strength; the most recent was Erin in 2007. Since 1950, 133 tornadoes have touched down within 25 miles, 14 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 2
- Tornadoes
- 133
- EF3 or stronger
- 14
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
10 deaths in all
What the records show for Hydro
None of the 2 tropical systems was at hurricane strength as it passed Hydro; the strongest was Erin in 2007, a tropical storm with 54 mph winds when its centre passed 9 miles away. The record near Hydro begins with an unnamed storm in 1900; the most recent system was Erin in 2007. Of the 216 Oklahoma cities on this site, 36% have more tropical storms and hurricanes within 75 miles than Hydro. The strongest of the 133 tornadoes within 25 miles was an EF5 on May 24, 2011; its path came within 15 miles, and it killed 9 people. Of the 133, 3 had paths within 5 miles of the city centre, and 51 have come since 2000. May has had the most tornadoes, 64. The most recent tornado was on June 14, 2025. Of the 216 Oklahoma cities, 76% have more tornadoes within 25 miles than Hydro. Hail has been reported within 10 miles 93 times since 1955, with stones up to 4 inches (softball size). Of the 216 Oklahoma cities, 90% have more hail reports within 10 miles than Hydro.
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Tropical storms and hurricanes near Hydro
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2007 | ErinAug 19 | 9 mi | Tropical storm (54 mph) | Tropical storm |
| 1900 | Unnamed 1900 stormSep 10 | 48 mi | Tropical storm (43 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Hydro: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Hydro
By decade
- 2020s12
- 2010s14(2 EF3+)
- 2000s25(1 EF3+)
- 1990s9(2 EF3+)
- 1980s25(2 EF3+)
- 1970s13(3 EF3+)
- 1960s19(3 EF3+)
- 1950s16(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 24, 2011 | EF5 | 15 mi | 63.1 mi | 9 / 181 |
| May 22, 1981 | F4 | 14 mi | 16.7 mi | 0 / 0 |
| Apr 17, 1976 | F4 | 21 mi | 32.9 mi | 0 / 6 |
| May 4, 1961 | F3 | 15 mi | 9.5 mi | 1 / 0 |
| May 24, 2011 | EF3 | 10 mi | 8.6 mi | 0 / 0 |
| Oct 9, 2001 | F3 | 22 mi | 13 mi | 0 / 1 |
| May 3, 1999 | F3 | 19 mi | 21 mi | 0 / 4 |
| May 26, 1990 | F3 | 12 mi | 3 mi | 0 / 0 |
| May 22, 1981 | F3 | 23 mi | 10.3 mi | 0 / 12 |
| Jun 18, 1973 | F3 | 12 mi | 16.8 mi | 0 / 0 |
| Jun 7, 1971 | F3 | 22 mi | 1.5 mi | 0 / 0 |
| May 25, 1962 | F3 | 10 mi | 1.5 mi | 0 / 4 |
The strongest 12 of 133, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Hydro
The Storm Prediction Center has 93 hail reports within 10 miles of Hydro since 1955, made on 68 separate days. Of these, 65 were 1 inch across or larger, and 13 reached 2 inches. The largest, 4 inches (softball size), fell on May 31, 2008. The most recent report is from June 14, 2025. May has the most reports, 39.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Hydro
The nearest NOAA station with 1991–2020 climate normals is Weatherford, OK, 9 miles west of Hydro at 1,618 feet. July is the warmest, with an average high of 94°F and low of 71°F; January is the coolest, at 49°F and 26°F. May is the wettest at 4.5 inches of precipitation on average and January the driest at 1.1 inches; the year adds up to 30.3 inches over 46 days with at least a tenth of an inch. Highs reach 90°F on about 78 days a year, almost all from May to September. Lows fall below freezing on about 85 nights a year. Snowfall averages 5.7 inches a year, most of it in February. That 30.3 inches is more than at 11 of the 82 Oklahoma stations used on this site (13%). Hinton, 12 miles east, has its own station (Geary, OK): 31.1 inches a year, 0.8 more than here, and a July average high of 93°F against 94°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 49 | 26 | 1.1 | 2 | 1.2 |
| Feb | 54 | 30 | 1.2 | 3 | 2.2 |
| Mar | 63 | 39 | 2.3 | 4 | 0.5 |
| Apr | 71 | 47 | 2.8 | 4 | 0.0 |
| May | 80 | 57 | 4.5 | 6 | 0.0 |
| Jun | 89 | 66 | 4.0 | 6 | 0.0 |
| Jul | 94 | 71 | 2.4 | 4 | 0.0 |
| Aug | 93 | 69 | 3.8 | 5 | 0.0 |
| Sep | 85 | 62 | 2.4 | 4 | 0.0 |
| Oct | 74 | 49 | 3.1 | 4 | 0.1 |
| Nov | 61 | 37 | 1.3 | 2 | 0.3 |
| Dec | 50 | 28 | 1.4 | 2 | 1.4 |
| Year | 72 | 48 | 30.3 | 46 | 5.7 |
Averages for 1991–2020 at Weatherford, OK (1,618 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 Hydro
Since 1996, the National Weather Service has logged 90 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Hydro: 85 thunderstorm wind reports, 4 flash floods and 1 flood. They killed 0 people and injured 3, and the NWS estimated $612,000 in property and crop damage. The strongest thunderstorm gust on record here was 102 mph, on June 22, 2026.
May 19, 2024: thunderstorm wind 8 miles from the centre of Hydro — 2 injured, $125,000 damage.
April 29, 2017: thunderstorm wind 4 miles from the centre of Hydro — 1 injured, $30,000 damage.
NWS: “Double-wide mobile home was destroyed. One injury.”
June 5, 2008: thunderstorm wind 6 miles from the centre of Hydro — $125,000 damage.
NWS: “A barn was demolished and the roof of a mobile home was destroyed. Also, the awning at the North Side Drug store was ripped off.”
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
Caddo County, which includes Hydro, has been named in 44 federal disaster or emergency declarations since 1982, 35 of them major disasters (by incident: 19 severe storms, 11 ice storms, 6 floods, 3 fires). The latest major disaster declaration was Severe Storms, Straight-Line Winds, Tornadoes, and Flooding, on June 14, 2024. FEMA's National Risk Index gives Caddo County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for tornadoes, hail and strong wind; Relatively Low for inland flooding, lightning and heat waves; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $17.0 million a year, the 38th highest of 77 Oklahoma counties; of the hazards above, the largest share, $5.5 million (32%), 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 Hydro
- Weatherford, OK10 mi
- Hinton, OK12 mi
- Clinton, OK24 mi
- Carnegie, OK25 mi
- Cordell, OK26 mi
- Watonga, OK28 mi
- Minco, OK32 mi
- El Reno, OK33 mi
- Anadarko, OK34 mi
- Okarche, OK36 mi
- Apache, OK41 mi
- Kingfisher, OK43 mi
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