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Plains Elevated Convection At Night (PECAN)


The Plains Elevated Convection At Night (PECAN) special collection contains articles related to the PECAN field campaign, conducted over the Great Plains during June-July 2015. This campaign assembled a rich array of observations from lower-tropospheric profiling systems, mobile radars and mesonets, and aircraft, in order to better understand nocturnal mesoscale convective systems (MCSs) and their relationship with the stable boundary layer, the low-level jet (LLJ), and atmospheric bores. Papers in this collection cover such topics as: instruments used for the first time or in a novel way in PECAN; the microphysics and/or the dynamics of MCSs and associated severe weather aspects; the dynamics of MCS outflow boundaries, such as density currents, bores, and solitons; the initiation of nocturnal deep convection; dynamics of the Great Plains low-level jet; nocturnal boundary-processes in the presence of a LLJ; numerical simulations of any of the above-listed meteorological topics at a range of scales, with the purpose of improving understanding as well as predictability; novel data assimilation projects and observing system simulation experiments using PECAN data, especially its mesoscale network of lower-tropospheric profiling systems.

PECAN was funded primarily by NSF, with additional funding from NOAA, NASA, DOE, and the Canadian Natural Sciences and Engineering Research Council. Read Moreā€¦

Collection organizers:
David Parsons, University of Oklahoma
Bart Geerts, University of Wyoming
Tammy M. Weckwerth, NCAR
Conrad L. Ziegler, NOAA National Severe Storms Lab
David D. Turner, NOAA National Severe Storms Lab

Special Collection Image
J. C. Hubbert
Journal of Atmospheric and Oceanic Technology
Tammy M. Weckwerth; Kristy J. Weber; David D. Turner; Scott M. Spuler
Journal of Atmospheric and Oceanic Technology
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