Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS80
Ambient pressure: 314mb
Ambient temperature: -36C
Ambient RH: 50%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 24.1s, RS80 T sensor time constants: 6.4
RH equilibration at time: 50.3s, RS80 RH sensor time constants: 4.1
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20180131_212115_P.4 174245268 18013118301 WXWXE AR03, 18013118301 WXWXE AR03 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
2969 raw data records
53 ( 1.8%) raw data records had PTU checksum errors
282 ( 9.5%) raw data records had GPS checksum errors
22 ( 0.7%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1451 ( 48.9%) values, QC retained 1352 ( 93.2%), overall rate: 45.5%
tdry : input file reported 1452 ( 48.9%) values, QC retained 1352 ( 93.1%), overall rate: 45.5%
RH : input file reported 1440 ( 48.5%) values, QC retained 1294 ( 89.9%), overall rate: 43.6%
winds: input file reported 2798 ( 94.2%) values, QC retained 2647 ( 94.6%), overall rate: 89.2%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 9127.8m
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: 3
Points which failed the outlier check: 0
Points which failed the Q/C filter check: 2
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): 741.76s
Extrapolated surface time: 742.30s
Fall distance from last frame: 5.3m
Extrapolated surface pressure: 1018.9mb
Extrapolated surface temperature: 12.1C
Extrapolated surface rh: 97.2%
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