Using more than 50 years of NOAA data, John Nelson of IDV Solutions has created a map of tornado tracks across the United States, categorized by their F-scales (he’s also broken them out by each F-scale). Via O’Reilly Radar.
An amazing visualization of near-term wind forecasts by Fernanda Viégas and Martin Wattenberg, based on data from the National Weather Service’s National Weather Forecast Database. Looks gorgeous; slows my browser right down. Via Boing Boing, Kottke and O’Reilly Radar, among others.
This animated map from NASA (Flash-only, sorry) illustrates global temperatures since 1880: “reds indicate temperatures higher than the average during a baseline period of 1951-1980, while blues indicate lower temperatures than the baseline average.” News flash: the planet’s getting warmer. More information here.
Previously: Global Temperature Changes by Decade.