September 14, 2009
UMBC Lidars Support NOAA's ARL and NCEP Mixing Layer Height Studies
Clear skies prevailed throughout most of ELF's operation today, with an occasional cloud advecting over UMBC, as shown in the lidar timeseries. The boundary layer extended up to 2 km, based on aerosol content in the lower trophosphere. PM2.5 concentrations in the Baltimore-Washington DC metro area ranged from 6-24 ug/m3.
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UMBC lidars are supporting the joint NOAA/ARL and NOAA/NCEP ad hoc field study in the Baltimore-Washington metro area. This campaign, (Sept. 14-22, 2009), will develop an urban meteorological database to investigate the evolution and spatial variability of the the urban atmospheric boundary layer mixing height. At the same time it will allow comparison of mixed height detection from various instrumentation platforms and forecasting models.
