Storm Spotting

April 9, 2021

Thunderstorm Activity in Oklahoma

Figure 1. Map of storm spotting on April 9, 2021[1]. 

Figure 2. Radar reflectivity animation of storm(s) spotted on April 9, 2021 via NOAA Weather and Climate Toolkit[1].

Figure 3. Radar radial velocity animation at 0.44-degree elevation angle of storm(s) spotted on April 9, 2021 via NOAA Weather and Climate Toolkit[1].

Figure 4. Radar spectrum width animation at 0.44-degree elevation angle of storm(s) spotted on April 9, 2021 via NOAA Weather and Climate Toolkit[1, 2].

Figure 5. Radar radial velocity animation at 2.4-to-1.7-degree elevation angle of storm(s) spotted on April 9, 2021 via NOAA Weather and Climate Toolkit[1].

Figure 6. Radar radial velocity animation at 7.9-to-6.3-degree elevation angle of storm(s) spotted on April 9, 2021 via NOAA Weather and Climate Toolkit[1].

  1. Severe Thunderstorm Event Archive entry: https://www.spc.noaa.gov/exper/archive/event.php?date=20210409.
  2. Operational use of spectrum width from Doppler radar data: https://www.weather.gov/media/lmk/soo/SpectrumWidth_Operational_Use.pdf.