Lightning Impact: None |
No Lightning. |
Lightning Impact: Low |
Occasional cloud-to-ground Lightning is expected. Flash rates will generally be <50 in 15 minutes for any storm covering a 20 square mile area. |
Lightning Impact: Moderate |
Frequent cloud-to-ground lightning is expected. Flash rates will be 50 to 99 in 15 minutes, for any storm covering 20 square miles. Scattered lightning-induced fires will occur. Persons not heeding indoor lightning safety rules may be injured during the peak of the storm. |
Lightning Impact: High |
Dangerous Lightning Frequency Expected
Frequent to excessive cloud-to-ground lightning is expected. Flash rates will be 100 to 149 in 15 minutes, for any storm covering 20 square miles. Scattered to numerous lightning-induced fires will occur.
Persons not heeding indoor lightning safety rules may be injured during the peak of the storm. Residents caught outdoors must apply lightning safety or face possible injury or death. |
Lightning Impact: Extreme |
Deadly Lightning Frequency Expected
Excessive cloud-to-ground lightning is expected. Flash rates will be >149 in 15 minutes, for any storm covering 20 square miles. Numerous lightning-induced fires will occur.
Persons not heeding indoor lightning safety rules may be injured, or possibly killed, during the peak of the storm. Residents caught outdoors must apply lightning safety or face certain injury or possible death. |