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  2. North Warning System - Wikipedia

    en.wikipedia.org/wiki/North_Warning_System

    The North Warning System as part of NORAD radar array as envisioned by Canada and the US in 1987. The NWS consists of both long range AN/FPS-117 and short range AN/FPS-124 surveillance radars, operated and maintained by North American Aerospace Defense Command (NORAD). [1]: 16 There are 13 long range sites and 36 short range sites.

  3. North American Ensemble Forecast System - Wikipedia

    en.wikipedia.org/wiki/North_American_Ensemble...

    The North American Ensemble Forecast System (NAEFS) is a joint project involving the Meteorological Service of Canada (MSC) in Canada, the National Weather Service (NWS) in the United States, and the National Meteorological Service of Mexico (NMSM) in Mexico providing numerical weather prediction ensemble guidance for the 1- to 16-day forecast period. [1]

  4. 2024–25 North American winter - Wikipedia

    en.wikipedia.org/wiki/2024–25_North_American...

    The 2024–25 North American winter is the current winter season that is ongoing across the continent of North America.The most notable events of the season so far have included a powerful bomb cyclone that impacted the West Coast of the United States in mid-to-late November, as well as a severe lake-effect snowstorm in the Great Lakes later that month.

  5. Weather radar - Wikipedia

    en.wikipedia.org/wiki/Weather_radar

    Weather radar in Norman, Oklahoma with rainshaft Weather (WF44) radar dish University of Oklahoma OU-PRIME C-band, polarimetric, weather radar during construction. Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.).

  6. Weather satellite - Wikipedia

    en.wikipedia.org/wiki/Weather_satellite

    A weather satellite or meteorological satellite is a type of Earth observation satellite that is primarily used to monitor the weather and climate of the Earth. Satellites are mainly of two types: polar orbiting (covering the entire Earth asynchronously) or geostationary (hovering over the same spot on the equator ).

  7. Local & National Weather News You Can Use - AOL

    www.aol.com/weather/forecast/united-states/...

    Get the Wheaton, IL local weather forecast by the hour and the next 10 days.

  8. Pacific–North American teleconnection pattern - Wikipedia

    en.wikipedia.org/wiki/Pacific–North_American...

    An example of positive PNA (left) and negative PNA (right), based on anomalies in the geopotential height of the 500 hPa pressure level. The Pacific–North American teleconnection pattern (PNA) is a large-scale weather pattern with two modes, denoted positive and negative, and which relates the atmospheric circulation pattern over the North Pacific Ocean with the one over the North American ...

  9. 2012 North American heat wave - Wikipedia

    en.wikipedia.org/wiki/2012_North_American_heat_wave

    Further south, on June 19, 20 and 21, Toronto experienced its first official early season heat wave (In Canada, a heat wave is defined as three or more consecutive days with temperatures at or above 32 °C (89.6 °F)), with temperatures ranging between 33.4 °C (92.1 °F) and 34.5 °C (94.1 °F) and the minimum temperature on June 20 not ...