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  2. Tornado debris signature - Wikipedia

    en.wikipedia.org/wiki/Tornado_debris_signature

    A tornadic debris signature (TDS), often colloquially referred to as a debris ball, [1] is an area of high reflectivity on weather radar caused by debris lofting into the air, usually associated with a tornado. [1] [2] A TDS may also be indicated by dual-polarization radar products, designated as a polarimetric tornado debris signature (PTDS).

  3. Convective storm detection - Wikipedia

    en.wikipedia.org/wiki/Convective_storm_detection

    Dual-polarized WSR-88D radar image of the 2021 Naperville–Woodridge tornado, showing four products used to detect active tornadoes: high reflectivity returns in dBZ and low correlation coefficient returns, when paired with low differential reflectivity returns, indicate a tornado debris signature, and the strong opposing velocity values form ...

  4. Hook echo - Wikipedia

    en.wikipedia.org/wiki/Hook_echo

    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. The echo is produced by rain, hail, or debris being wrapped around the supercell. [1]

  5. How to recognize a 'radar-confirmed tornado' - AOL

    www.aol.com/weather/recognize-radar-confirmed...

    The average person and weather enthusiast can follow along on social media with reports in real-time as volatile weather unfolds -- and terms like "radar-confirmed tornado" are often thrown out by ...

  6. 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.).

  7. 2023 Rolling Fork–Silver City tornado - Wikipedia

    en.wikipedia.org/wiki/2023_Rolling_Fork–Silver...

    A mobile home was also rolled in this area. At that time, violent rotation of radar paired with a debris signature prompted the issuance of a tornado emergency by the National Weather Service in Jackson, Mississippi at 8:04 pm CDT; the tornado would remain under this tag for most of its existence.

  8. Tornado warning - Wikipedia

    en.wikipedia.org/wiki/Tornado_warning

    An example of a tornado warning polygon issued by the National Weather Service. A tornado warning (SAME code: TOR) is a public warning that is issued by weather forecasting agencies to an area in the direct path of a tornado, or a severe thunderstorm capable of producing one, and advises individuals in that area to take cover.

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