Automated Lightning Detection System (ALDS) climatology

All lightning climatology products are based upon data collected from the Automated Lightning Detection System (ALDS) operated by the Bureau of Land Management from April 1985 through November 1997. These data provide a location and time of occurrence for cloud-to-ground lightning strikes. Lightning climatology products are currently available for Nevada, Idaho, Utah and Northern California.

 
View a lightning product

Regions Currently Available:

ALDS lightning analysis has been completed for three regions including Nevada, Idaho, Utah and northwestern California.

Lightning product layouts:

1-panel plot of monthly or hourly by month lightning occurrence

2-panel plots of hourly lightning occurrence by month, showing number of strikes and associated relative frequency

 ** Please note: If you cannot access the image / animation that you requested, the image appears damaged, or you have any other comments or questions about these products, please let us know.