Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS80
Ambient pressure: 376mb
Ambient temperature: -21C
Ambient RH: 50%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 21.4s, RS80 T sensor time constants: 6.1
RH equilibration at time: 41.8s, RS80 RH sensor time constants: 3.7
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20180129_014340_P.4 174245117 18012820307 WXWXC AR02, 18012820307 WXWXC AR02 AFRC C-130J, ---
Data type: AVAPS SOUNDING DATA, Channel 4
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 4
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
2593 raw data records
32 ( 1.2%) raw data records had PTU checksum errors
225 ( 8.7%) raw data records had GPS checksum errors
15 ( 0.6%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1251 ( 48.2%) values, QC retained 1179 ( 94.2%), overall rate: 45.5%
tdry : input file reported 1253 ( 48.3%) values, QC retained 1179 ( 94.1%), overall rate: 45.5%
RH : input file reported 1246 ( 48.1%) values, QC retained 1137 ( 91.3%), overall rate: 43.8%
winds: input file reported 2446 ( 94.3%) values, QC retained 2318 ( 94.8%), overall rate: 89.4%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 7928.7m
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: 0
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: 1
Outlier check disabled
Q/C filter check disabled
Points which failed the vertical velocity check: 9
Surface Observation
Splash time (time of the last usable frame): 647.76s
Extrapolated surface time: 648.30s
Fall distance from last frame: 5.5m
Extrapolated surface pressure: 1009.1mb
Extrapolated surface temperature: 23.8C
Extrapolated surface rh: 72.7%
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