Tornado Environment Browser

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U.S. Tornado Environment Browser (2003-2011)
NOAA/NWS Storm Prediction Center, Norman, OK

Click on map to display data.

Mode Environment Spatial Plots
Click on images to enlarge

Tornado segment environment data based on data from:

Schneider, R.S. and A.R. Dean, 2008: A Comprehensive 5-year Severe Storm Environment Climatology for the Continental United States. , Preprints, 24th Conf. Severe Local Storms, Savannah, GA.

Mode environment data based on data from:

Thompson, R.L., B.T. Smith, J.S. Grams, A.R. Dean, and C. Broyles, 2012: Convective Modes for Significant Severe Thunderstorms in the Contiguous United States. Part II: Supercell and QLCS Tornado Environments, Published in Weather and Forecasting.

Mode classification based on data from:

Smith, B.T. R.L. Thompson, J.S. Grams, C. Broyles, and H.E. Brooks, 2012: Convective Modes for Significant Severe Thunderstorms in the Contiguous United States. Part I: Storm Classification and Climatology, Published in Weather and Forecasting.

Mode classification for tropical cyclone tornadoes based on data from:

Edwards, R., A.R. Dean, R.L. Thompson, and B.T. Smith, 2012: Convective Modes for Significant Severe Thunderstorms in the Contiguous United States. Part III: Tropical Cyclone Tornadoes, Published in Weather and Forecasting.

RELATIVE FREQUENCY

COUNT PER DECADE

• Box and whisker plots show middle two quartiles in red with respective 25th, 50th, and 75th percentile values.
• The whiskers extend to the 10th and 90th percentile values. Extreme values are noted with black dots.
• An area must have at least 10 cases to produce plots.
• "Cold Season" is defined as the period between Oct 15th and Feb 15th.

Contacts for this resource: Bryan Smith, SPC, or Richard Thompson, SPC
This data browser was developed by John Hart, SPC.

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