Content-Length: 3450 | pFad | https://www.spc.noaa.gov/faq/tornado/watchtbl.htm
WATCH TYPE TOR SVR Average # of tornadoes: 2.2 0.5 Average # of wind: 7.1 6.0 Average # of hail reps: 6.3 3.8 TOR SVR Probability of 1 or more tornadoes: 56.1 22.7 Probability of 1 or more wind events: 75.5 72.5 Probability of 1 or mail hail reps: 67.0 62.1 Probability of 5 or more tornadoes: 15.1 1.8 Probability of 10 or more wind: 22.9 19.1 Probability of 10 or more hail reps: 22.4 11.7
Conclusion: Tornadoes are much more likely in tornado watches than severe thunderstorm watches.
Next -- same thing but for significant reports (2" or larger hail, 65 kt or greater wind speed reported, and F2 or stronger tornadoes):
TOR SVR Average # of tornadoes: 0.5 0.1 Average # of wind: 0.4 0.3 Average # of hail: 0.7 0.3 TOR SVR Probability of 1 or more tornadoes: 21.2 4.8 Probability of 1 or more wind: 19.5 15.5 Probability of 1 or more hail: 25.0 13.9 Probability of 5 or more tornadoes: 2.5 0.2 Probability of 10 or more wind: 0.5 0.3 Probability of 10 or more hail: 0.7 0.1
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