| Severe Weather Climatology (1982-2011) |
Any Severe Probabilities: 22
Nov
Tornado Probabilities: 22
Nov
Damaging Wind Probabilities: 22
Nov
Severe Hail Probabilities: 22
Nov
Significant Tornado Probabilities: 22
Nov
Significant Wind Probabilities: 22
Nov
Significant Hail Probabilities: 22
Nov
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More severe weather climatology data here. |
| 2025 Tornado Watch Summary |
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| Page last modified: November 21 2025 12:26 UTC |
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| Did You Know? |
La tormenta factor de riesgo.
#TornadoStrong: A Partnership with FLASH
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| Forecast Tools |
Tornado Environment Browser
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| 2025 Severe Thunderstorm Watch Summary |
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| Page last modified: November 21 2025 12:26 UTC |
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| Wildfire Climatology (1992-2015) |
100 Acres Wildfire Probabilities: 22
Nov
300 Acres Wildfire Probabilities: 22
Nov
1000 Acres Wildfire Probabilities: 22
Nov
5000 Acres Wildfire Probabilities: 22
Nov
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More wildfire climatology data here. |
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Latest SPC Publications
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Harrison, D.R., A. McGovern, C.D. Karstens, A. Bostrom, I.L. Jirak, and P.T. Marsh, 2025: Leveraging Coproduction to Bridge Research and Operations in Operational Meteorology. Published in Wea. Forecasting. [6601K PDF]
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Harrison, D.R., A. McGovern, C.D. Karstens, A. Bostrom, I.L. Jirak, and P.T. Marsh, 2025: An Assessment of How Domain Experts Evaluate Machine Learning in Operational Meteorology. Published in Wea. Forecasting. [16916K PDF]
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Squitieri, B.J., A.R. Wade, and I.L. Jirak, 2025: On a Modified Definition of a Derecho. Part II: An Updated Spatial Climatology of Derechos across the Contiguous United States. Published in Bull. Amer. Meteor. Soc.. [3250K PDF]
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Squitieri, B.J., A.R. Wade, and I.L. Jirak, 2025: On a Modified Definition of a Derecho. Part I: Construction of the Definition and Quantitative Criteria for Identifying Future Derechos over the Contiguous United States. Published in Bull. Amer. Meteor. Soc.. [5585K PDF]
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Moore, A., 2024: Investigating the Near-Surface Wind Fields of Downbursts Using a Series of High-Resolution Idealized Simulations. Published in Wea. Forecasting. [6768K PDF]
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Edwards, R., and R.L. Thompson, 2024: Right-Moving Supercell Tornadogenesis during Interaction with a Left-Moving Supercell's Rear-Flank Outflow. Published in Wea. Forecasting. [15153K PDF] (supplemental radar loop, standard enhancements [27170K MP4]), (supplemental radar loop, colorblind enhancements [33950K MP4])
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Squitieri, B.J., A.R. Wade, and I.L. Jirak, 2023: A Historical Overview on the Science of Derechos. Part II: Parent Storm Structure, Environmental Conditions, and History of Numerical Forecasts. Published in Bull. Amer. Meteor. Soc.. [10595K PDF]
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Squitieri, B.J., A.R. Wade, and I.L. Jirak, 2023: A Historical Overview on the Science of Derechos. Part I: Identification, Climatology, and Societal Impacts. Published in Bull. Amer. Meteor. Soc.. [6899K PDF]
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Thompson, R.L., 2023: A Comparison of Right-Moving Supercell and Quasi-Linear Convective System Tornadoes in the Contiguous United States 2003-21. Published in Wea. Forecasting. [4539K PDF]
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Find more research articles at the SPC publication archive.
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Latest SPC Case Archive
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