SCOS97-NARSTO Data Analysis Conference SCOS97-NARSTO Upper-Air Meteorological Data Wind / RASS Profiler Processing / Objective QC Bob Weber NOAA/ETL Boulder, Colorado Rip Off of Robert Baxter
SCOS97-NARSTO Data Analysis Conference Wind / RASS Profiler Data Collection June - October 1997 26 Sites ARB VCAPCD SCAQM SDAPCD USAF STI NOAA SOP Real-Time Meteorological Products Quality Control Radar Doppler Spectral Moments Post Processing / Quality Control Radar Doppler Spectra Post Processing / Quality Control
SCOS97-NARSTO Data Analysis Conference On-Line Real-Time Meteorological Products First Look Winds and Temperatures Radar Diagnostics Incomplete Processing Inadequate Quality Control Unreliable for Critical Applications Requires Post Analysis
SCOS97-NARSTO Data Analysis Conference Wind / RASS Profiler Operations / Data Collection Radar Spectral Moments Multiple Antenna Beams (3 - 5) Time Sampling ~ 1 Minute Spatial Sampling ~ Meters Doppler Velocity Spectral Signal Strength Spectral Signal Doppler Broadening
SCOS97-NARSTO Data Analysis Conference Wind / RASS Profiler Post Processing / Quality Control Hourly / Daily Contamination Rejection Noise, RFI, birds, ground clutter... Objective Quality Control Time-Height Consistency Hourly-Averaged Radar Spectral Moments Meteorological Products
SCOS97-NARSTO Data Analysis Conference Site Locations
SCOS97-NARSTO Data Analysis Conference Time-Height Consistency Objective Analysis Compare Data with Interpolated Value using neighbors in time and in height Quality Control Recognize Patterns of Continuous Data over time and over height (hourly, daily)
SCOS97-NARSTO Data Analysis Conference “Met 0” hourly QC > hourly average > daily QC > Correct Vertical Motion > Met Products “Met 1” * Correct Vertical Motion > hourly QC > hourly average > daily QC > Met Products Meteorological Noise, Radar Signal Contamination ? - choose higher objective QC value - choose neither - use other subjective criteria Objective / Subjective
SCOS97-NARSTO Data Analysis Conference Meteorological Noise Small-Scale Motion Precipitation, Convection, Waves, Fronts, … Complex Terrain Land-Sea, Mountains, Land Use, … Adverse Effects on Performance Wind/RASS Profiler Models
SCOS97-NARSTO Data Analysis Conference Final Data Set Pacific Standard Time Correction for Antenna Orientation Merged High and Low modes QC Codes
SCOS97-NARSTO Data Analysis Conference QC Codes QC = 0 valid = 5 missing = 6 erroneous ( > 1 m/s or 10%, 1 Deg C ) = 7 suspect ( Objective QC ) = 8 invalid ( Objective QC ) = 9 no data
SCOS97-NARSTO Data Analysis Conference 1:00 Jim Pederson (ARB) Characterization of Upper Air Meteorology Conditions on IOP Days 1:15 Clinton MacDonald (STI) STI Analysis of 1997 Upper Air Met Data in SoCAB 1:30 Bob Weber (NOAA) Interpreting Data from a RWP/RASS Network 1:15 Bob Baxter (Parsons) Quality Assurance of Upper Air Met Data 2:20 to 2:30 Refreshment break for ten minutes 2:30 Clinton MacDonald (STI) Spatial and Temporal Observations of the Planetary Boundary Layer During Ozone Episodes in Southern California 2:50 Robert Bornstein (SJSU) The 4-7 August SCOS97 Ozone Episode: Comparisons between Observations and MM5 Simulations 3:15 to 3:20 Refreshment Break 3:20 Clinton MacDonald (STI) Moderator-Roundtable on Use of Aloft Meteorological Data: Lidar, Radar Wind Profiler Radio Acoustic Sounding Networks, Sodar Networks (60M) 4:20 Session III Concludes SCOS97-NARSTO Data Analysis Conference 13 February, 2001 Day 1-1:00 to 4:20 pm Session III: Upper Air & Other Meteorological Data
SCOS97-NARSTO Data Analysis Conference Measure Winds ???? m/s Clear Air co-located wind profilers (Strauch et al., 1987) 2-4 m/s Precipitation co-located wind profilers (Wuertz et al., 1988) 2.5 m/s 2 years wind profiler / rawinsonde (Weber & Wuertz, 1989) 3.1 m/s co-located rawinsondes (Hoehne, 1980)
SCOS97-NARSTO Data Analysis Conference