Tracking lightning flashes - Tucson News Now

Tracking lightning flashes

Lightning detectors were first developed in the 1970s, and the first national network of detectors across the United States went into operation in 1994. These first systems were based on the ground, but in 1995 and 1997 NASA launched two satellites with instrumentation on-board that could measure lightning strikes on Earth from space. 

Here in Tucson, Vaisala is one of the leading lightning detection companies in the world. Below is a map of current lightning strikes. This information can also be found by clicking here. The clock shows Universal Time, which is 7 hours ahead of Arizona time. 

      
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Minutes from current image timestamp


The below information is from Vaisala.

Vaisala Lightning Explorer (image above) displays recent lightning activity across the entire continental U.S. The lightning data displayed is 20 minutes delayed and updated every 20 minutes. Get the latest map available by clicking "Refresh" under the map. The map shows a 2-hour time period with lightning data color coded in 20-minute increments.

Vaisala Lightning Explorer uses lightning data from Vaisala's U.S. NLDN, the most reliable lightning detection system in the U.S. The U.S. NLDN constantly detects lightning discharges anywhere in the continental U.S. Each symbol on the map represents one recorded lightning event.


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