Dataset Gallery

To find datasets of interest, glance through the entries below, enter a search term to the left, or click terms under the filters to refine the list.

Average Annual and Monthly Numbers of Tornadoes by State - Maps

U.S. Tornado Climatology

Maps that show the average number of tornadoes in each of the United States over a year or by month, based on tornado observations from 1991-2010.

U.S. Climate Extremes Index - Graph or Map

U.S. Climate Extremes Index (CEI)

The U.S. Climate Extremes Index documents the area of the contiguous United States (or a region therein) that experienced extreme conditions (as defined by the index) during various time periods.

Severe Storms and Extreme Events - Data Table

Storm Events Database

Severe events have the potential to damage life and property.

Drought Risk Atlas - Maps and Station Data

U.S. Drought Monitor and Drought Indices

The Drought Risk Atlas provides historic data about drought through 2012 for weather stations across the United States that have at least 40 years of records.

Storms and Unusual Weather Phenomena - Descriptions

Storm Data Publication

Storm Data, a monthly publication, contains a chronological listing, by state, of storms and unusual weather phenomena. Reports contain information on storm paths, deaths, injuries, and property damage.

Climate Outlooks for the Next 3 Months - Probability Maps

Seasonal Outlooks

Climatologists use historical and current climate and weather data make climate predictions for temperature and precipitation in the future. These outlook products are different from weather forecasts.