Update Highlights: NCAR ASPEN Releases 2018
Explore the latest updates and enhancements in the NCAR ASPEN software releases for 2018. From data quality control modifications to user interface fixes and new features, this overview provides insights into the advancements made in each update. Stay informed about changes in Q/C thresholds, added sensor constants, and improvements in output formats. Keep up with the evolution of NCAR ASPEN as it continues to innovate in atmospheric data processing and analysis.
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NCAR | EOL ASPEN Update Isabel Suhr (NCAR/EOL) AVAPS User Group Meeting April 24, 2018 NCAR | Title
Overview This year: Data Q/C User interface BUFR TEMP Dry bias Code commits 206 Aspen releases 4 NCAR | ASPEN Update 2018 2
Data Q/C Changed lower threshold for RH from 0.2% to 0.1% Set RH values > 100% to 100% instead of removing them Add equilibration time constants specific to RSS421 sensor Added max winds and tropopause levels to sounding database and synoptic map Cleaned up netcdf output NCAR | ASPEN Update 2018 3
Data Q/C - Saturation vapor pressure Herzegh (PAM II Parameters, 1988) -> Hardy (Thermo Scientific, 1998) Netcdf and skew-T output NCAR | ASPEN Update 2018 4
User interface Fixed crash when displaying sats-dz XY plot Fixed crash in switching tabs after modifying levels Fixed error in setting TEMP header in BatchAspen Fixed library paths and option parsing for commandline Aspen on OS X Added TEMP example files NCAR | ASPEN Update 2018 5
BUFR Reduce data by averaging together all values per second Merge levels data with QC data and set appropriate flags Local usage flag set for aircraft observations Remove entries for times with no data Added OB number to BUFR output NCAR | ASPEN Update 2018 6
TEMP Only update 61616, 62626, abbreviated header if sounding is descending Add input masks to WMO abbreviated header configuration Fixed bug of REL level appearing without SPG level Levels use observed lat/lon when ReportObservedPos set Corrections to decoding 62626 groups and LAST REPORT Correct adding levels from decoded TEMP to synoptic map NCAR | ASPEN Update 2018 7
TEMP - NHOP standard Added a config parameter to select NHOP-compatible WMO set dew point for RH < 20% to 80 set dew point for temp < -40 C to // NCAR | ASPEN Update 2018 8
Dry bias Set (post-correction) RH values < 1% to 0.1% rather than discard Don t display dew point temp for values with RH of 0.1% on skew-Ts NCAR | ASPEN Update 2018 9
Upcoming Short term Resolve dry bias 0.1%RH BUFR support Long term Qt5 upgrade Standalone synoptic map Improved Aspen documentation NCAR | ASPEN Update 2018 10
Hurricane season release: May 18 2018 www.eol.ucar.edu/software/aspen NCAR | ASPEN Update 2018 11
Communication eol-aspen@ucar.edu NCAR | ASPEN Update 2018 12
