The Trump administration has paused work on a new database that would provide Americans with precise estimates of the ...

Explore weather dynamics from the 1950s! Learn about cold & warm air masses, front formation, and precipitation. An educational look at meteorology.

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11 am. Sunny and hot, with a high near 95. Heat index values as high as 109. Calm wind becoming southeast around ...

After an air-quality agreement Canada signed in the 1990s, P.E.I.'s precipitation no longer falls into the range of acid rain ...