Weather affects everyday lives and worldwide social structures. The field of meteorology attempts to forecast these phenomena through the study of the evolution and composition of the atmosphere. Wolfram|Alpha provides access to an extensive and continually updated database of weather information and forecasts as well as numerous tools for analyzing and calculating atmospheric conditions.
Obtain current, historical and forecast weather conditions. Compute the effects and severity of exposure to inclement weather.
Calculate the saturation vapor pressure, sound absorption and speed, dew point and other properties of air.
Examine locations, Fujita scale ranking and the extent of damages in life and property loss for tornadoes in the United States.
Find information about, studies of and trends for the Earth's climate.
Calculate cooling or heating degree days based on location, temperature parameters and time period.
Get information on cloud cover, cloud types and the altitude of the base of clouds.
Get current and historical data for hurricanes, typhoons and other tropical storms.