Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS41
Ambient pressure: 149mb
Ambient temperature: -69C
Ambient RH: 100%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 8.5s, RS41 T sensor time constants: 6.8
RH equilibration at time: 70.7s, RS41 RH sensor time constants: 2.0
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20210814_214844_P.1 203830673 TS Grace, 20210814N1 Gulfstream G-IV SP, N49RF
Data type: AVAPS SOUNDING DATA, Channel 1
Sonde model: RSS421
Thermo sensor: RSS421
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: RSS421
Thermo sensor: RSS421
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
3947 raw data records
36 ( 0.9%) raw data records had PTU checksum errors
156 ( 4.0%) raw data records had GPS checksum errors
9 ( 0.2%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1936 ( 49.0%) values, QC retained 1887 ( 97.5%), overall rate: 47.8%
tdry : input file reported 1939 ( 49.1%) values, QC retained 1886 ( 97.3%), overall rate: 47.8%
RH : input file reported 1934 ( 49.0%) values, QC retained 1759 ( 91.0%), overall rate: 44.6%
winds: input file reported 3832 ( 97.1%) values, QC retained 3749 ( 97.8%), overall rate: 95.0%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 14363.8m
QC for GPS Altitude
Points which failed the limit check: 0
Points which failed the number of satellites check: 2
Points which failed the buddy check: 0
Points which failed the Q/C filter check: 0
QC for GPS Position
Points which failed the latitude limit check: 0
Points which failed the longitude limit check: 0
Points which failed the number of satellites check: 17
Points which failed the latitude buddy check: 0
Points which failed the longitude buddy check: 0
Points which failed the latitude Q/C filter check: 0
Points which failed the longitude 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
Points which failed the wind error check: 1
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): 986.25s
Extrapolated surface time: 986.79s
Fall distance from last frame: 5.3m
Extrapolated surface pressure: 1014.9mb
Extrapolated surface temperature: 27.9C
Extrapolated surface rh: 81.3%
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)