publication . Article . 2004

Radar Observations of the Early Evolution of Bow Echoes

Brian A. Klimowski; Mark R. Hjelmfelt; Matthew J. Bunkers;
Open Access
  • Published: 01 Aug 2004 Journal: Weather and Forecasting, volume 19, pages 727-734 (issn: 0882-8156, eissn: 1520-0434, Copyright policy)
  • Publisher: American Meteorological Society
The evolution of 273 bow echoes that occurred over the United States from 1996 to 2002 was examined, especially with regard to the radar reflectivity characteristics during the prebowing stage. It was found that bow echoes develop from the following three primary initial modes: (i) weakly organized (initially noninteracting) cells, (ii) squall lines, and (iii) supercells. Forty-five percent of the observed bow echoes evolved from weakly organized cells, 40% from squall lines, while 15% of the bow echoes were observed to evolve from supercells. Thunderstorm mergers were associated with the formation of bow echoes 50%-55% of the time, with the development of the b...
free text keywords: Atmospheric Science, Meteorology, Squall line, Astrophysics, Thunderstorm, Convection cell, Squall, Geology, Bow echo, Mesoscale meteorology, Line echo wave pattern, Supercell
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