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Air Pressure and Humidity
Air pressure is the weight of the atmosphere pressing down on the earth. It is measured by a barometer in units called millibars. Most barometers use mercury in a glass column, like a…Atlantic Hurricane Names
Because hurricanes often occur at the same time, officials assign short, distinctive names to the storms to avoid confusion among weather stations, coastal bases, and ships at sea. Since 1953…Retired Hurricane Names
When hurricanes are particularly destructive, their names are retired from the list of usable names. Any country affected by a particularly terrible storm can request that the name be retired by…Deadliest Tornado Outbreak
Source: National Weather Service The most expensive tornado outbreak in U.S. history and the deadliest of the year occurred May 3–4, 1999, in Oklahoma and Kansas. In less than 21 hours, a…Tsunamis
Source: The Federal Emergency Management Agency (FEMA) A tsunami (pronounced soo-nahm-ee) is a series of huge waves that happen after an undersea disturbance, such as an earthquake or volcano…Winter Weather Across America
From the Mid-Atlantic Coast to New England Source: The Federal Emergency Management Agency (FEMA) The classic storm in these states is called a Nor'easter. A low-pressure area off the Carolina…Billion Dollar U.S. Weather Disasters Since 1980
Source: NOAA National Centers for Environmental Information (NCEI) U.S. Billion-Dollar Weather and Climate Disasters (2021). The United States is a big country with a lot of diverse…Facts and Figures About Twisters
Facts and Figures About Twisters Although tornadoes can happen at any time of year, they are especially common during the spring and early summer. May and June are the peak months in terms of…Weather Words
Air pressure: Air has weight. Air pressure is the weight of the air, or atmosphere, pushing down on Earth. The closer you are to sea level, the higher the air pressure because there’s that…Monthly State Maximum and Minimum Temperature Extremes
(as of May 1, 2004)Source: National Climatic Data Center, National Oceanic and Atmospheric Administration.Alabama: Temperature ExtremesAlaska: Temperature ExtremesArizona: Temperature…Trending
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