SOURCE: Vaisala Oyj

June 13, 2013 07:50 ET

Lightning Activity in the Northeastern United States

BOULDER, CO--(Marketwired - Jun 13, 2013) - Are you Weather-Ready? Lightning Safety Week starts on June 23!

Vaisala's (HEX: VAIAS) 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 dataset 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. The attached PDF document shows a lightning density map, lightning fatality numbers, and insurance claims. The same information is also available for other regions of the United States.

For more information, please contact Scott Sternberg, President Vaisala Inc., tel. +1 303 547 7624,

When Thunder Roars, Go Indoors!

About Vaisala

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.

Lightning Activity in the Northeastern United States:

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