Frequency >120 strikes per 15 min (>8 strikes per min)
Lightning Impact Statement
Slight
Occasional cloud to ground lightning is expected. Flash rates will be fewer than 45 strikes per 15 minutes (3 strikes or fewer per minute) for any storm that develops. People outdoors should move indoors upon first incidence of lightning.
Lightning Impact Statement
Moderate
Frequent cloud to ground lightning is expected. Flash rates will be 46 to 80 strikes per 15 minutes (3 to 6 strikes per minute) for any storm that develops. People outdoors should move indoors upon first incidence of lightning. Indoor safety rules, such as unplugging appliances, should be heeded. Isolated lightning-induced fires will be possible.
Lightning Impact Statement
High
Nearly continuous cloud to ground lightning is expected. Flash rates will be 80 to 120 strikes per 15 minutes ( 6 to 8 strikes per minute) for any storm that develops. People outdoors should move indoors upon first incidence of lightning. People not heeding indoor lightning safety rules run an increase risk of injury or death during the peak of the storm. Scattered lightning-induced fires are likely.
Lightning Impact Statement
Extreme
Continuous cloud to ground lightning is expected. Flash rates will be greater than 120 strikes per 15 minutes (8 strikes or more per minute) for any storm that develops. People outdoors should move indoors upon first incidence of lightning. People not heeding indoor lightning safety rules run an extreme of injury or death during the peak of the storm. Scattered to numerous lightning-induces fires are likely.
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