Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS41
Ambient pressure: 156mb
Ambient temperature: -68C
Ambient RH: 100%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 8.3s, RS41 T sensor time constants: 6.8
RH equilibration at time: 69.5s, RS41 RH sensor time constants: 2.0
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20210814_202654_P.1 204260582 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 less than 1.0s)
Levels created (in less than 1.0s)
WMO message coded (in less than 1.0s)
QC Data Recovery Statistics
3765 raw data records
39 ( 1.0%) raw data records had PTU checksum errors
149 ( 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 1858 ( 49.3%) values, QC retained 1806 ( 97.2%), overall rate: 48.0%
tdry : input file reported 1859 ( 49.4%) values, QC retained 1805 ( 97.1%), overall rate: 47.9%
RH : input file reported 1854 ( 49.2%) values, QC retained 1682 ( 90.7%), overall rate: 44.7%
winds: input file reported 3678 ( 97.7%) values, QC retained 3565 ( 96.9%), overall rate: 94.7%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 14068.1m
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: 5
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: 1
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: 9
Points which failed the buddy check: 0
Outlier check disabled
Q/C filter check disabled
Points which failed the vertical velocity check: 1
Surface Observation
Splash time (time of the last usable frame): 940.75s
Extrapolated surface time: 941.29s
Fall distance from last frame: 5.4m
Extrapolated surface pressure: 1013.1mb
Extrapolated surface temperature: 26.5C
Extrapolated surface rh: 86.4%
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)