New tornado probability map shows shift in tornado alley patterns
2 days ago · Annual Tornado Probabilities (1955-2024) (NCEI and SPC) The new data shows a 70%-80% annual probability for a tornado in the local area and south into Oklahoma, Arkansas, …
Storm Prediction Center Maps, Graphics, and Data Page
May 13, 2025 · This page has charts of the latest preliminary severe storm reports, annual summaries, and links to comma-separated-value (csv) data files from the SPC severe weather database back to …
Annual Tornado Days ≥ 5% Chance Map (April 2015 to April 2025)
Apr 16, 2025 · For anyone interested in this data recently compiled on a map showing the Storm Prediction Center (SPC) tornado outlooks archived. He noted a few findings: The portion of …
New tornado probability map shows shift in tornado alley patterns
QUAD CITIES, Iowa/Ill. (KWQC) - The National Centers for Environmental Information and the Storm Prediction Center have released a new map showing the probability of a tornado within a 25-mile …
Monthly and Annual Numbers of Tornadoes - Graphs and Maps
Jun 25, 2025 · Tornadoes can occur anywhere, but they are more likely to develop in some locations (and during some months) than others. Graphs and map visualizations of the U.S. Tornadoes …
List of Storm Prediction Center high risk days - Wikipedia
On the scale from one to five, a high risk is a level five. A high risk is usually for major tornado outbreaks with numerous strong to violent tornadoes expected, and occasionally derechos with widespread …
NOAA/NWS Storm Prediction Center
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All SPC Outlooks & tornado stats since 2004
May 30, 2010 · Data is available from April 2004. Note that tornadoes (T) here represent tornado reports and not confirmed tornadoes by SPC. Several tornado reports could be reported on the same …
Maximum tornado probabilities by month and year
Mar 18, 2022 · The tornado probabilities first show up on the SPC site starting in 2003, although they were produced in house prior. In 2006, probabilities were updated to the current scale.
U.S. Tornadoes - National Centers for Environmental Information
Tornado statistics for the Contiguous U.S. are provided by the Storm Prediction Center (SPC) and are available from January 1950— December 2025. Additional information can be found in the Monthly …