PECAN

Plains Elevated Convection At Night

2015
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Summary

PECAN was the first campaign to focus expressly on nocturnal convection initiation (CI) and MCSs and their environment. There were 5 main focus areas:

  1. CI
  2. Bores
  3. Low-level jets
  4. MCSs
  5. storm- and MCS-scale NWP

Funding Agencies

  • NSF
  • NASA
  • NOAA
  • DOE

Platforms

  • CLAMPS1
  • WYO King Air
  • NCAR S-PolKa
  • 3 DOWs
  • 3 NCAR ISS
  • 449 Profiler
  • NASA DC8
  • NOAA P3
  • SMART-Rs
  • RAXPOL
  • NOXP
  • FM-CW radar
  • MAX,
  • Mobile mesonets
  • MIPS
  • Tethersondes
  • AERIs
  • Water Vapor lidars
  • wind lidars
CLAMPS

Publications

The Role of Continental Mesoscale Convective Systems in Forecast Busts within Global Weather Prediction Systems
Despite significant, steady improvements in the skill of medium-range weather prediction systems over the past several decades, the …
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The Great Plains low-level jet during PECAN: observed and simulated characteristics
During the 2015 Plains Elevated Convection at Night (PECAN) field campaign, several nocturnal low-level jets (NLLJs) were observed with …
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WRF Model Study of the Great Plains Low-Level Jet: Effects of Grid Spacing and Boundary Layer Parameterization
Previous studies have shown that the Weather Research and Forecasting (WRF) Model often underpredicts the strength of the Great Plains …
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Numerical study of nocturnal low-level jets over gently sloping terrain
Nocturnal low level-jets (LLJs) over gently sloping terrain typical of the U.S. Great Plains are investigated by means of direct …
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