Tornadoes & Severe Storms

Severe Weather Threat Climatology

Total Number of Tornadoes by County (1950-2017) learn more

Total Number of Tornadoes by County (1950-2017)

This map displays the total number of tornadoes observed in each county (1950-2017).
Tornado Days (1986-2015) learn more

Tornado Days (1986-2015)

This map was created by the NWS Storm Prediction Center and shows the average number of tornado days per year (all magnitudes) from 1986-2015.
EF1+ Tornado Days (1986-2015) learn more

EF1+ Tornado Days (1986-2015)

This map was created by the NWS Storm Prediction Center and shows the average number of EF1+ tornado days per year from 1986-2015.
EF2+ Tornado Days (1986-2015) learn more

EF2+ Tornado Days (1986-2015)

This map was created by the NWS Storm Prediction Center and shows the average number of EF2+ tornado days per decade from 1986-2015.
EF4+ Tornado Days (1986-2015) learn more

EF4+ Tornado Days (1986-2015)

This map was created by the NWS Storm Prediction Center and shows the average number of EF4+ tornado days per century from 1986-2015.
1.00-Inch Hail Days (1986-2015) learn more

1.00-Inch Hail Days (1986-2015)

This map was created by the NWS Storm Prediction Center and shows the average number of greater than 1.00-inch hail days per year from 1986-2015.
2.00-Inch Hail Days (1986-2015) learn more

2.00-Inch Hail Days (1986-2015)

This map was created by the NWS Storm Prediction Center and shows the average number of greater than 2.00-inch hail days per year from 1986-2015.
50-Knot Wind Days (1986-2015) learn more

50-Knot Wind Days (1986-2015)

This map was created by the NWS Storm Prediction Center and shows the average number of greater than 50-knot wind days per year from 1986-2015.
64-Knot Wind Days (1986-2015) learn more

64-Knot Wind Days (1986-2015)

This map was created by the NWS Storm Prediction Center and shows the average number of greater than 65-knot wind days per year from 1986-2015.
Yearly Lightning Density (1996-2016) learn more

Yearly Lightning Density (1996-2016)

This map was created by Kristin Calhoun (National Severe Storms Laboratory and the Cooperative Institute for Mesoscale Meteorological Studies) and shows the yearly mean cloud-to-ground lightning density from 1996-2016 for Oklahoma. The color scale represents the density of strikes per kilometer squared. The data have been provided by the Vaisala National Lightning Detection Network.
Winter Lightning Density (1996-2016) learn more

Winter Lightning Density (1996-2016)

This map was created by Kristin Calhoun (National Severe Storms Laboratory and the Cooperative Institute for Mesoscale Meteorological Studies) and shows the mean cloud-to-ground lightning density for the winter season (December-February) from 1996-2016 for Oklahoma. The color scale represents the density of strikes per kilometer squared. The data have been provided by the Vaisala National Lightning Detection Network.
Spring Lightning Density (1996-2016) learn more

Spring Lightning Density (1996-2016)

This map was created by Kristin Calhoun (National Severe Storms Laboratory and the Cooperative Institute for Mesoscale Meteorological Studies) and shows the mean cloud-to-ground lightning density for the spring season (March-May) from 1996-2016 for Oklahoma. The color scale represents the density of strikes per kilometer squared. The data have been provided by the Vaisala National Lightning Detection Network.
Summer Lightning Density (1996-2016) learn more

Summer Lightning Density (1996-2016)

This map was created by Kristin Calhoun (National Severe Storms Laboratory and the Cooperative Institute for Mesoscale Meteorological Studies) and shows the mean cloud-to-ground lightning density for the summer season (June-August) from 1996-2016 for Oklahoma. The color scale represents the density of strikes per kilometer squared. The data have been provided by the Vaisala National Lightning Detection Network.
Fall Lightning Density (1996-2016) learn more

Fall Lightning Density (1996-2016)

This map was created by Kristin Calhoun (National Severe Storms Laboratory and the Cooperative Institute for Mesoscale Meteorological Studies) and shows the mean cloud-to-ground lightning density for the fall season (September-November) from 1996-2016 for Oklahoma. The color scale represents the density of strikes per kilometer squared. The data have been provided by the Vaisala National Lightning Detection Network.

Other Tornado & Severe Storm Products