Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS80
Ambient pressure: 315mb
Ambient temperature: -38C
Ambient RH: 50%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 24.3s, RS80 T sensor time constants: 6.5
RH equilibration at time: 49.9s, RS80 RH sensor time constants: 4.2
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20180131_211107_P.1 174915070 18013118307 WXWXC AR03, 18013118307 WXWXC AR03 AFRC C-130J, ---
Data type: AVAPS SOUNDING DATA, Channel 1
Sonde model: RS904
Thermo sensor: RS904
Fast Fall Test
Number of points with excessive fall rate: 0
Percentage of points with excessive fall rate: 0
Sounding diagnosed as a fast fall: No
File Processing
Data type: AVAPS SOUNDING DATA, Channel 1
Sonde model: RS904
Thermo sensor: RS904
Processing Steps
QC processing completed (in less than 1.0s)
Levels created (in less than 1.0s)
WMO message coded (in less than 1.0s)
QC Data Recovery Statistics
2839 raw data records
40 ( 1.4%) raw data records had PTU checksum errors
244 ( 8.6%) raw data records had GPS checksum errors
21 ( 0.7%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1385 ( 48.8%) values, QC retained 1299 ( 93.8%), overall rate: 45.8%
tdry : input file reported 1386 ( 48.8%) values, QC retained 1299 ( 93.7%), overall rate: 45.8%
RH : input file reported 1370 ( 48.3%) values, QC retained 1245 ( 90.9%), overall rate: 43.9%
winds: input file reported 2659 ( 93.7%) values, QC retained 2555 ( 96.1%), overall rate: 90.0%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 9016.2m
QC for GPS Altitude
Points which failed the limit check: 0
Points which failed the buddy check: 0
Points which failed the Q/C filter check: 0
QC for GPS Latitude
Points which failed the limit check: 0
Points which failed the buddy check: 0
Points which failed the Q/C filter check: 0
QC for GPS Longitude
Points which failed the limit check: 0
Points which failed the buddy check: 0
Points which failed the Q/C filter check: 0
QC for Pressure
Points which failed the limit check: 0
Points which failed the buddy check: 0
Points which failed the outlier check: 0
Points which failed the Q/C filter check: 0
QC for Relative Humidity
Points which failed the limit check: 0
Points which failed the buddy check: 2
Points which failed the outlier check: 0
Points which failed the Q/C filter check: 0
Points which failed the lower limit check: 0
Points which failed the upper limit check: 0
Points which failed the lower limit check: 0
Points which failed the upper limit check: 0
QC for Temperature
Points which failed the limit check: 0
Points which failed the buddy check: 0
Points which failed the outlier check: 0
Points which failed the Q/C filter check: 0
QC for VV Pressure
Points which failed the limit check: 0
Points which failed the buddy check: 0
Points which failed the outlier check: 0
Points which failed the Q/C filter check: 0
QC for Winds
Points which failed the wind speed limit check: 0
Points which failed the wind direction limit check: 0
Points which failed the number of satellites check: 0
Wind error check not applied (sonde is not xRD41)
Points which failed the buddy check: 0
Outlier check disabled
Q/C filter check disabled
Points which failed the vertical velocity check: 0
Surface Observation
Splash time (time of the last usable frame): 709.26s
Extrapolated surface time: 709.80s
Fall distance from last frame: 5.2m
Extrapolated surface pressure: 1010.2mb
Extrapolated surface temperature: 19.3C
Extrapolated surface rh: 92.0%
Surface Wind Determination
Surface wind coded for an adjusted altitude of 10.0m
PTU/wind offset is 0.00s (PTU observations lead wind observations by 0.00s)
TD Dry Bias Correction
Not applied
Correction was present in the source data
Number of 0.1% RH values removed: 0