A Map of Every Tornado Since 1950

As part of development at the Esri R&D Center in DC, we've been working on new ways to visualize large amounts of data on a map. Large datasets present several challenges. Simply how to »

No Tornadoes Recorded Through First Half of March, a Rare Feat for The United States

The first half of March 2015 recorded zero tornadoes in the United States. The only time this has happened in the last 65 years was in »

Visualizing That Big Storm Off the East Coast

It seems like with each new storm comes a new way to visualize that storm. Today a monster Nor'Easter is cranking off the New England coast, »

US Tornadoes: An Aggregate Visualization and Tornadoes Through Time

Last week United States Tornadoes put together a post on how "tornadoes progress across the United States throughout the year". This inspired me to dig through »