When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. 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.).

  3. Tornado outbreak of May 26–31, 2013 - Wikipedia

    en.wikipedia.org/wiki/Tornado_outbreak_of_May_26...

    Animated radar loop (left, storm-relative velocity; right, reflectivity) of the nearly stationary supercell thunderstorm that spawned the EF3 tornado from 5:36–7:33 p.m. CDT (2236–0033 UTC). A large, very slow-moving, and erratic tornado remained on the ground for just over an hour as it executed a cyclonic loop in Ottawa County south of ...

  4. 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]

  5. Hook echo - Wikipedia

    en.wikipedia.org/wiki/Hook_echo

    Classic-style hook echo of the F5 1999 Bridge Creek-Moore tornado.. A hook echo is a pendant or hook-shaped weather radar signature as part of some supercell thunderstorms.It is found in the lower portions of a storm as air and precipitation flow into a mesocyclone, resulting in a curved feature of reflectivity.

  6. National Weather Service Lincoln, Illinois - Wikipedia

    en.wikipedia.org/wiki/National_Weather_Service...

    The Central Illinois office initially consisted of two forecast offices in Peoria and Springfield until the current location in Lincoln became the sole local forecast office in 1995. Federal meteorology offices and stations in the region date back to the 19th century when the Army Signal Service began taking weather observations using weather ...

  7. Poplar Grove, Illinois - Wikipedia

    en.wikipedia.org/wiki/Poplar_Grove,_Illinois

    The tornado was one of the only eight rated EF3 during the time span of the warm weather, which lasted from January 7 to 10. Although there were no losses, it was still a very severe storm. The following month the cast of the TV show "Storm Chasers" visited Caledonia Elementary School to talk about tornadoes and the effects they have on ...

  8. Chicago, IL Weather - Hourly Forecasts and Local Weather ...

    www.aol.com/weather/forecast/us/chicago-12784292

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

  9. Metcalf, Illinois - Wikipedia

    en.wikipedia.org/wiki/Metcalf,_Illinois

    ZIP code: 61940. Area code: 217: FIPS code: 17–48632: GNIS feature ID: 2399327 [1] Metcalf is a village in Young America Township, Edgar County, Illinois, United ...