Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS80
Ambient pressure: 376mb
Ambient temperature: -24C
Ambient RH: 50%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 21.7s, RS80 T sensor time constants: 6.2
RH equilibration at time: 43.7s, RS80 RH sensor time constants: 3.8
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20180129_001507_P.2 174245181 18012820307 WXWXC AR02, 18012820307 WXWXC AR02 AFRC C-130J, ---
Data type: AVAPS SOUNDING DATA, Channel 2
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 2
Sonde model: RS904
Thermo sensor: RS904
Processing Steps
QC processing completed (in 1.0s)
Levels created (in less than 1.0s)
WMO message coded (in less than 1.0s)
QC Data Recovery Statistics
2471 raw data records
27 ( 1.1%) raw data records had PTU checksum errors
136 ( 5.5%) raw data records had GPS checksum errors
9 ( 0.4%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1211 ( 49.0%) values, QC retained 1143 ( 94.4%), overall rate: 46.3%
tdry : input file reported 1213 ( 49.1%) values, QC retained 1143 ( 94.2%), overall rate: 46.3%
RH : input file reported 1207 ( 48.8%) values, QC retained 1091 ( 90.4%), overall rate: 44.2%
winds: input file reported 2385 ( 96.5%) values, QC retained 2295 ( 96.2%), overall rate: 92.9%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 7910.1m
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: 7
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): 617.26s
Extrapolated surface time: 617.80s
Fall distance from last frame: 5.7m
Extrapolated surface pressure: 1014.5mb
Extrapolated surface temperature: 20.1C
Extrapolated surface rh: 96.9%
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