Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS80
Ambient pressure: 298mb
Ambient temperature: -42C
Ambient RH: 50%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 25.1s, RS80 T sensor time constants: 6.5
RH equilibration at time: 52.0s, RS80 RH sensor time constants: 4.3
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20180127_015901_P.1 174245303 18012618307 WXWXC AR01, 18012618307 WXWXC AR01 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 1.0s)
Levels created (in less than 1.0s)
WMO message coded (in less than 1.0s)
QC Data Recovery Statistics
2917 raw data records
35 ( 1.2%) raw data records had PTU checksum errors
208 ( 7.1%) raw data records had GPS checksum errors
6 ( 0.2%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1425 ( 48.9%) values, QC retained 1343 ( 94.2%), overall rate: 46.0%
tdry : input file reported 1428 ( 49.0%) values, QC retained 1343 ( 94.0%), overall rate: 46.0%
RH : input file reported 1161 ( 39.8%) values, QC retained 1036 ( 89.2%), overall rate: 35.5%
winds: input file reported 2771 ( 95.0%) values, QC retained 2659 ( 96.0%), overall rate: 91.2%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 9355.1m
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: 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: 10
Surface Observation
Splash time (time of the last usable frame): 728.76s
Extrapolated surface time: 729.30s
Fall distance from last frame: 5.3m
Extrapolated surface pressure: 1006.2mb
Extrapolated surface temperature: 18.5C
Extrapolated surface rh: 94.8%
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