Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS41
Ambient pressure: 171mb
Ambient temperature: -62C
Ambient RH: 100%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 7.9s, RS41 T sensor time constants: 6.8
RH equilibration at time: 64.6s, RS41 RH sensor time constants: 1.9
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20210814_190340_P.2 204031028 TS Grace, 20210814N1 Gulfstream G-IV SP, N49RF
Data type: AVAPS SOUNDING DATA, Channel 2
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 2
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
3671 raw data records
43 ( 1.2%) raw data records had PTU checksum errors
163 ( 4.4%) raw data records had GPS checksum errors
18 ( 0.5%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1807 ( 49.2%) values, QC retained 1751 ( 96.9%), overall rate: 47.7%
tdry : input file reported 1806 ( 49.2%) values, QC retained 1750 ( 96.9%), overall rate: 47.7%
RH : input file reported 1796 ( 48.9%) values, QC retained 1633 ( 90.9%), overall rate: 44.5%
winds: input file reported 3576 ( 97.4%) values, QC retained 3462 ( 96.8%), overall rate: 94.3%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 13496.5m
QC for GPS Altitude
Points which failed the limit check: 0
Points which failed the number of satellites check: 0
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: 0
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: 3
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: 1
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: 4
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): 917.25s
Extrapolated surface time: 917.79s
Fall distance from last frame: 5.6m
Extrapolated surface pressure: 1012.7mb
Extrapolated surface temperature: 28.5C
Extrapolated surface rh: 83.4%
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)