Are you Weather-Ready? Lightning Safety Week starts on June 23!
Boulder, CO, USA – Vaisala’s U.S. National Lightning Detection Network (NLDN) has been operational for over 30 years, and has the longest archive of lightning data. Statistics from this unique data set provide a comprehensive view of lightning activity over the United States, which is highly valued for lightning safety, risk management, and severe weather analysis.
In the northeastern U.S., the highest average lightning frequency is to the southwest in southern Illinois and Indiana, where the highest density exceeds eight flashes per square kilometer per year in some areas. Most of the lightning occurs during June, July, and August between afternoon and early evening.
In the central U.S., the highest average lightning frequency is in Louisiana around New Orleans. Another area of high flash density is in eastern Oklahoma and Kansas.
Much of the lightning occurs during June, July, and August, and lightning starts in late morning along the Gulf Coast, whereas storms over the Plains start forming in the afternoon.
In the southeastern U.S., the highest average lightning frequency is in the Florida peninsula. Most of the lightning occurs during June, July, and August, and between late morning and early evening hours.
In the western U.S., the highest average lightning frequency is in New Mexico, Arizona, and Colorado. Storms occur on the southeast Plains in May and June, but in other regions mostly during July and August.
Most of the lightning starts around mid-day over the higher terrain moving outward to lower regions in the afternoon and early evening.
For more information, please contact Scott Sternberg, President Vaisala Inc., tel. +1 303 547 7624, firstname.lastname@example.org.
When Thunder Roars, Go Indoors! www.lightningsafety.noaa.gov
Vaisala is a global leader in environmental and industrial measurement. Building on 75 years of experience, Vaisala contributes to a better quality of life by providing a comprehensive range of innovative observation and measurement products and services for chosen weather-related and industrial markets. Headquartered in Finland, Vaisala employs approximately 1400 professionals worldwide and is listed on the NASDAQ OMX Helsinki stock exchange.