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  2. 2015 Rochelle–Fairdale tornado - Wikipedia

    en.wikipedia.org/wiki/2015_Rochelle–Fairdale...

    The weather forecast office upgraded the severe thunderstorm warning to a tornado warning at 6:35 p.m. CDT (23:35 UTC), and four minutes later, trained storm spotters reported a damaging tornado north of Ashton. [12] This was one of several tornadoes observed across the Central United States on April 8 and April 9. [13]

  3. Tornado vortex signature - Wikipedia

    en.wikipedia.org/wiki/Tornado_vortex_signature

    Strong mesocyclone on a thunderstorm near Tuscaloosa, Alabama, that was analyzed as fitting the characteristics of a TVS.It was associated with a tornado.. A tornadic vortex signature, abbreviated TVS, is a Pulse-Doppler radar weather radar detected rotation algorithm that indicates the likely presence of a strong mesocyclone that is in some stage of tornadogenesis. [1]

  4. Storm Prediction Center - Wikipedia

    en.wikipedia.org/wiki/Storm_Prediction_Center

    The Storm Prediction Center (SPC) is a US government agency that is part of the National Centers for Environmental Prediction (NCEP), operating under the control of the National Weather Service (NWS), [1] which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the United States Department of Commerce (DoC).

  5. Illinois quick hits: Winter Storm Watch issued; fewer opioid ...

    www.aol.com/illinois-quick-hits-winter-storm...

    A winter storm is expected to blanket much of Illinois with snow, sleet and freezing rain starting early Sunday morning. Leading up to the weekend, a Winter Storm Watch has been issued for ...

  6. Weather in Peoria: Winter storm forecast predicts more snow ...

    www.aol.com/weather-peoria-winter-storm-forecast...

    The National Weather Service in Lincoln, Ill. has predicted another winter storm to hammer Peoria and central Illinois with snow Jan. 11-13, 2024.

  7. Tornado sirens wail in ominous Illinois storm footage - AOL

    www.aol.com/news/tornado-sirens-wail-ominous...

    Lightning flashes and thunder rumbles while ominous sirens echo during tornado storms in Illinois. Footage captures the tornado moving into the Rockford suburb of Belvidere on Friday (March 31 ...

  8. 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.).

  9. Mesocyclone - Wikipedia

    en.wikipedia.org/wiki/Mesocyclone

    A mesocyclone is a meso-gamma mesoscale (or storm scale) region of rotation , typically around 2 to 6 mi (3.2 to 9.7 km) in diameter, most often noticed on radar within thunderstorms. In the northern hemisphere it is usually located in the right rear flank (back edge with respect to direction of movement) of a supercell , or often on the ...