Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS41
Ambient pressure: 171mb
Ambient temperature: -61C
Ambient RH: 88%
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: 63.1s, RS41 RH sensor time constants: 1.9
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20210927_191006_P.4 212710094 Hurricane Sam, 20210927N1 Gulfstream G-IV SP, N49RF
Data type: AVAPS SOUNDING DATA, Channel 4
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 4
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
3801 raw data records
34 ( 0.9%) raw data records had PTU checksum errors
169 ( 4.4%) raw data records had GPS checksum errors
6 ( 0.2%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1867 ( 49.1%) values, QC retained 1818 ( 97.4%), overall rate: 47.8%
tdry : input file reported 1867 ( 49.1%) values, QC retained 1817 ( 97.3%), overall rate: 47.8%
RH : input file reported 1861 ( 49.0%) values, QC retained 1684 ( 90.5%), overall rate: 44.3%
winds: input file reported 3696 ( 97.2%) values, QC retained 3591 ( 97.2%), overall rate: 94.5%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 13440.1m
QC for GPS Altitude
Points which failed the limit check: 0
Points which failed the number of satellites check: 1
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: 6
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: 17
Points which failed the outlier check: 0
Points which failed the Q/C filter check: 4
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: 0
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): 949.75s
Extrapolated surface time: 950.29s
Fall distance from last frame: 5.8m
Extrapolated surface pressure: 1011.6mb
Extrapolated surface temperature: 28.6C
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)