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: 69.4s, RS41 RH sensor time constants: 2.0
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20210927_213136_P.4 211831152 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
3811 raw data records
36 ( 0.9%) raw data records had PTU checksum errors
180 ( 4.7%) raw data records had GPS checksum errors
7 ( 0.2%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1872 ( 49.1%) values, QC retained 1820 ( 97.2%), overall rate: 47.8%
tdry : input file reported 1872 ( 49.1%) values, QC retained 1819 ( 97.2%), overall rate: 47.7%
RH : input file reported 1864 ( 48.9%) values, QC retained 1688 ( 90.6%), overall rate: 44.3%
winds: input file reported 3699 ( 97.1%) values, QC retained 3589 ( 97.0%), overall rate: 94.2%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 14035.1m
QC for GPS Altitude
Points which failed the limit check: 0
Points which failed the number of satellites check: 3
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: 10
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: 9
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: 2
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): 952.25s
Extrapolated surface time: 952.79s
Fall distance from last frame: 5.6m
Extrapolated surface pressure: 1016.7mb
Extrapolated surface temperature: 27.8C
Extrapolated surface rh: 69.5%
Surface Wind Determination
Surface wind coded for an adjusted altitude of 12.0m
PTU/wind offset is 0.00s (PTU observations lead wind observations by 0.00s)