NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Konawa, 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
4 tropical systems have passed within 75 miles of Konawa, Oklahoma since 1851, 0 of them at hurricane strength; the most recent was Erin in 2007. Since 1950, 169 tornadoes have touched down within 25 miles, 18 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 4
- Tornadoes
- 169
- EF3 or stronger
- 18
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
23 deaths in all
What the records show for Konawa
None of the 4 tropical systems was at hurricane strength as it passed Konawa; the strongest was an unnamed storm in 1900, a tropical storm with 45 mph winds when its centre passed 57 miles away. The record near Konawa begins with an unnamed storm in 1900; the most recent system was Erin in 2007, a tropical storm 70 miles away. The busiest decade was the 1900s, with 2 systems. Of the 4 systems, one has come since 2000. Konawa is tied for the most tropical storms and hurricanes within 75 miles among the 216 Oklahoma cities on this site. The strongest of the 169 tornadoes within 25 miles was an F5 on May 5, 1960; its path came within 24 miles, and it killed 5 people. The deadliest, an F4 on May 9, 1959, killed 7 people. Of the 169, 14 had paths within 5 miles of the city centre, and 66 have come since 2000. May has had the most tornadoes, 72. The most recent tornado was on June 6, 2025. Konawa has more tornadoes within 25 miles than 57% of the 216 Oklahoma cities. Hail has been reported within 10 miles 97 times since 1959, with stones up to 3.25 inches. Of the 216 Oklahoma cities, 87% have more hail reports within 10 miles than Konawa.
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Tropical storms and hurricanes near Konawa
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2007 | ErinAug 19 | 70 mi | Tropical storm (40 mph) | Tropical storm |
| 1961 | CarlaSep 13 | 25 mi | Tropical storm (40 mph) | Category 4 |
| 1902 | Unnamed 1902 stormJun 28 | 70 mi | Tropical storm (40 mph) | Category 1 |
| 1900 | Unnamed 1900 stormSep 10 | 57 mi | Tropical storm (45 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Konawa: 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 Konawa
By decade
- 2020s30(1 EF3+)
- 2010s27(1 EF3+)
- 2000s9
- 1990s17(1 EF3+)
- 1980s19(2 EF3+)
- 1970s19(1 EF3+)
- 1960s22(8 EF3+)
- 1950s26(4 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 5, 1960 | F5 | 24 mi | 71.8 mi | 5 / 81 |
| May 9, 1959 | F4 | 24 mi | 6.2 mi | 7 / 12 |
| Apr 28, 1950 | F4 | 21 mi | 4.5 mi | 5 / 32 |
| Sep 14, 1957 | F4 | 9 mi | 67.5 mi | 2 / 6 |
| May 4, 1960 | F4 | 2 mi | 8 mi | 0 / 0 |
| Apr 27, 2024 | EF3 | 17 mi | 27.9 mi | 2 / 4 |
| Mar 15, 1982 | F3 | 11 mi | 6 mi | 1 / 36 |
| May 10, 2010 | EF3 | 22 mi | 37.2 mi | 0 / 28 |
| Mar 21, 1991 | F3 | 10 mi | 11 mi | 0 / 2 |
| May 17, 1981 | F3 | 22 mi | 10.2 mi | 0 / 6 |
| Apr 20, 1973 | F3 | 9 mi | 7.9 mi | 0 / 21 |
| May 13, 1968 | F3 | 2 mi | 11.6 mi | 0 / 0 |
The strongest 12 of 169, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Konawa
The Storm Prediction Center has 97 hail reports within 10 miles of Konawa since 1959, made on 73 separate days. Of these, 61 were 1 inch across or larger, and 10 reached 2 inches. The largest, 3.25 inches, fell on September 23, 2023. The most recent report is from July 15, 2025. May has the most reports, 27.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Konawa
The nearest NOAA station with 1991–2020 climate normals is Ada, OK, 13 miles south of Konawa at 1,015 feet. July is the warmest, with an average high of 94°F and low of 72°F; January is the coolest, at 52°F and 27°F. May is the wettest at 5.4 inches of precipitation on average and February the driest at 2.1 inches; the year adds up to 41.6 inches over 59 days with at least a tenth of an inch. Highs reach 90°F on about 70 days a year, almost all from May to September. Lows fall below freezing on about 72 nights a year. Snowfall averages 4.1 inches a year, most of it in January. That 41.6 inches is more than at 51 of the 82 Oklahoma stations used on this site (62%). Wewoka, 19 miles northeast, has its own station (Seminole, OK): 43.2 inches a year, 1.6 more than here, and a July average high of 95°F against 94°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 52 | 27 | 2.2 | 4 | 2.3 |
| Feb | 57 | 31 | 2.1 | 4 | 0.5 |
| Mar | 65 | 39 | 3.5 | 5 | 0.2 |
| Apr | 73 | 48 | 4.0 | 6 | 0.0 |
| May | 80 | 59 | 5.4 | 7 | 0.0 |
| Jun | 89 | 68 | 4.7 | 7 | 0.0 |
| Jul | 94 | 72 | 3.0 | 4 | 0.0 |
| Aug | 94 | 70 | 3.1 | 5 | 0.0 |
| Sep | 86 | 62 | 4.3 | 5 | 0.0 |
| Oct | 75 | 50 | 4.1 | 5 | 0.0 |
| Nov | 64 | 39 | 2.5 | 4 | 0.1 |
| Dec | 54 | 30 | 2.7 | 4 | 1.0 |
| Year | 74 | 50 | 41.6 | 59 | 4.1 |
Averages for 1991–2020 at Ada, OK (1,015 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 Konawa
Since 1996, the National Weather Service has logged 24 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Konawa: 20 thunderstorm wind reports and 4 flash floods. None is recorded as killing or injuring anyone; the NWS estimated $716,000 in property and crop damage. The strongest thunderstorm gust on record here was 75 mph, on May 26, 1996.
August 26, 1999: thunderstorm wind in Konawa — $500,000 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
Seminole County, which includes Konawa, has been named in 33 federal disaster or emergency declarations since 1970, 24 of them major disasters (by incident: 14 severe storms, 8 ice storms, 3 floods, 3 tornadoes). The latest major disaster declaration was Severe Storms, Straight-Line Winds, Tornadoes, and Flooding, on April 30, 2024. FEMA's National Risk Index gives Seminole County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for hail; Relatively Moderate for tornadoes, strong wind and heat waves; Relatively Low for inland flooding and lightning; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $13.4 million a year, the 40th highest of 77 Oklahoma counties; of the hazards above, the largest share, $3.1 million (24%), 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 Konawa
- Ada, OK13 mi
- Stratford, OK18 mi
- Wewoka, OK19 mi
- Seminole, OK20 mi
- Holdenville, OK22 mi
- Tecumseh, OK23 mi
- Roff, OK25 mi
- Stonewall, OK26 mi
- Shawnee, OK29 mi
- Lexington, OK32 mi
- Pauls Valley, OK32 mi
- Wayne, OK32 mi
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