Flood in Oklahoma

Events

1,025

Deaths

25

Injuries

4

Damage

$26 million

• Tornado and Flash Flooding in Oklahoma, May 23 to 24, 20154 deaths · $105,000 · EF0 · 70 eventsA slow-moving upper level trough of low pressure moved from the Rockies into the Plains on the 23rd and 24th. Very moist and slightly unstable air was in place across the Southern Plains ahead of this system.
• Tornadoes and Flash Flooding in Oklahoma, April 19 to 20, 20253 deaths · 2 injured · $2.4 million · EF2 · 34 eventsA severe weather and flash flood episode occurred across central and southern portions of the WFO Norman Forecast Area from the evening of the 19th into the early morning hours of the 20th. A slow-moving upper system continued to approach the area on the 19th.
• Tornadoes and Flash Flooding in Oklahoma, May 20 to 21, 20192 deaths · $534,000 · EF2 · 82 eventsAn extremely unstable environment led to widespread severe weather across Texas and Oklahoma on the 20th into the morning of the 21st.
• Tornadoes and Flood in Oklahoma, August 5 to 6, 201730 injured · $50 million · EF2 · 22 eventsA surface low pressure system was positioned over southwestern Kansas during the evening of the 5th, with a stationary frontal boundary extending southeast from the low into northeastern Oklahoma and northwestern Arkansas.
• Flash Flooding and Flooding in Oklahoma, June 17 to 18, 20152 deaths · $5.0 million · 21 eventsAs tropical storm Bill made its way up through eastern and central Oklahoma through the 17th and 18th, widespread flash flooding ensued.
• Flash Flooding and Flooding in Oklahoma, April 29 to 30, 20252 deaths · 1 injured · $735,000 · 1.25 in hail · 47 eventsMultiple rounds of severe convection and flooding occurred from the predawn hours of the 29th into morning hours of the 30th.
• Tornadoes and Flash Flooding in Oklahoma, May 3 to 4, 1999$13 million · F3 · 92 eventsSummary of events for May 3-4 1999:Following a week-long blocking weather pattern, a strong upper level trough finally moved out of the southwestern U.S.
• Flash Flooding and Flooding in Oklahoma, December 26 to 31, 20152 deaths · $110,000 · 1 in hail · 76 eventsA strong upper level low pressure system moved from the desert southwest into the Southern Plains in late December.
• Tornadoes and Flash Flooding in Oklahoma, May 25, 20151 death · 1 injured · $20,000 · EF3 · 16 eventsAs an upper level trough continued to move over the central plains, storms formed ahead of a cold front in west Texas. These storms formed a line as the moved eastward and developed northward into Oklahoma.
• Tornadoes and Flash Flooding in Oklahoma, April 30, 20191 death · 1 injured · $2.0 million · EF2 · 33 eventsStrong to severe thunderstorms developed across eastern Oklahoma during the early afternoon hours of the 30th, to the east of a stationary frontal boundary that was located across north-central Oklahoma into northwest Texas.
• Tornadoes and Flash Flooding in Oklahoma, October 7 to 8, 20182 deaths · $110,000 · EF0 · 15 eventsA warm front lifted north through Oklahoma during the day on the 7th, producing numerous thunderstorms.
• Flooding in Oklahoma, May 20 to 31, 20192 deaths · 21 eventsA persistently active weather pattern, consisting of a deep trough over the western U. S. and ridging along the Gulf Coast and southeastern U. S., set the stage for numerous rounds of rainfall across the Southern Plains from May 18th through the end of the month.
• Flash Flooding and Flood in Oklahoma, November 8 to 9, 20242 deaths · $15,000 · 3 eventsWidespread showers and thunderstorms developed across eastern Oklahoma on the 8th, ahead of a strong, slow-moving storm system that translated into the Southern Plains from the Southern Rockies.
• Flash Flood and Flood in Oklahoma, April 19 to 20, 20252 deaths · $10,000 · 1 in hail · 5 eventsStrong to severe thunderstorms developed across portions of eastern Oklahoma during the late evening of the 19th, as a strong upper level disturbance slowly translated into the Southern Plains, increasing low level forcing along and ahead of a weak surface front that stretched…
• Tornadoes and Flash Flooding in Oklahoma, May 20 to 22, 20192 injured · $2.4 million · EF2 · 79 eventsA strong upper level storm system moved into the Southern Plains from the Rockies on the 20th and 21st.
• Tornadoes and Flash Flooding in Oklahoma, May 18 to 21, 2017$1.2 million · EF2 · 86 eventsA slow-moving, strong upper level storm system moved from the Central Rockies into the Central Plains on the 18th and 19th.
• Tornadoes and Flood in Oklahoma, April 1 to 2, 20241 death · 1 injured · $345,000 · EF1 · 12 eventsSevere thunderstorms developed along a dry line over central and western Oklahoma during the afternoon of the 1st, as a strong upper level disturbance translated into the Southern Plains. The storms moved through eastern Oklahoma during the late afternoon and evening hours.
• Flash Flooding and Flood in Oklahoma, May 1 to 2, 20091 death · $391,000 · 1.75 in hail · 30 eventsA weak cold front and an outflow boundary provided the focus for slow moving and training thunderstorms which produced an average of 2 to 5 inches of rain across parts of northern Tulsa, Rogers, Mayes, Delaware, northern Cherokee and northern Adair Counties during the morning of…
• Flash Flooding and Flood in Oklahoma, May 10, 20151 death · $520,000 · 1.75 in hail · 15 eventsAs the upper low continued to traverse the region, another round of storms started early on the 10th along a boundary in central Texas. These storms developed northeastward and moved east across southern Oklahoma through the morning.
• Tornadoes and Flood in Oklahoma, March 8, 19994 injured · $1.2 million · F2 · 27 eventsSummary of events for March 8 1999:A band of moderate to heavy rain moved across the area during the morning of March 8 in association with a warm front out in advance of a low pressure center. The rain brought localized nuisance flooding.
• Tornadoes and Flash Flooding in Oklahoma, April 17 to 18, 20132 injured · $1.7 million · EF2 · 34 eventsThunderstorms developed along and south of a stationary frontal boundary that extended across southeastern Kansas through southwestern Oklahoma during the evening hours of the 17th.
• Flash Flooding and Flooding in Oklahoma, June 22 to 28, 20191 death · $172,000 · 74 kt wind · 27 eventsMultiple rounds of thunderstorms moved across eastern Oklahoma from the afternoon of June 22nd through the early morning hours of the 24th, as a cold front approached the area from the west. The strongest storms produced damaging wind and large hail up to quarter size.
• Flash Flooding and Flooding in Oklahoma, May 19 to 21, 20151 death · $282,000 · 65 kt wind · 16 eventsA stationary frontal boundary extended across southeastern Oklahoma and west central Arkansas on the 19th. Very moist and unstable air was in place along and south of the boundary.
• Flooding and Hail in Oklahoma, June 16 to 19, 2005$1.3 million · 2.75 in hail · 135 eventsSevere thunderstorms developed into a large cluster and squall line causing widespread wind damage across much of Oklahoma on June 16-17.
• Tornadoes and Flash Flooding in Oklahoma, May 23 to 24, 2015$4.2 million · EF1 · 81 eventsStorms developed in the panhandles on the 23rd under the influence of an upper level trough. These storms merged into a line and moved eastward over Oklahoma producing widespread flooding.

Flood everywhereEvery kind of event in Oklahoma

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.