The prestorm environment of the 20 May 2013 Moore, Oklahoma Supercell estimated from WSR-88D and TDWR radar, and GOES satellite data
The supercell associated with the Moore tornado appeared to intensify rapidly near a surface boundary as detected on radar and satellite. The propagation speed of several convective elements on radar suggested mid-level level winds exceeding that analysed earlier in the day. These two observations served as motivation to examine the wind structure of the near-storm environment for unique factors unavailable in the operational analysis. The wind structure will be examined from WSR-88D and TDWR Doppler radar, GOES satellite, surface mesonet data, and available upper soundings. Output from the variational LAPS analysis system developed at the ESRL/GSD, and from a 3-D variational analysis with advanced radar quality control capability developed at the NSSL, will be presented and compared with the operational analysis for this severe weather event.