Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS41
Ambient pressure: 163mb
Ambient temperature: -65C
Ambient RH: 100%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 8.1s, RS41 T sensor time constants: 6.8
RH equilibration at time: 67.1s, RS41 RH sensor time constants: 1.9
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20210927_200723_P.1 212650783 Hurricane Sam, 20210927N1 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
3889 raw data records
68 ( 1.7%) raw data records had PTU checksum errors
205 ( 5.3%) raw data records had GPS checksum errors
16 ( 0.4%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1898 ( 48.8%) values, QC retained 1821 ( 95.9%), overall rate: 46.8%
tdry : input file reported 1904 ( 49.0%) values, QC retained 1820 ( 95.6%), overall rate: 46.8%
RH : input file reported 1892 ( 48.7%) values, QC retained 1696 ( 89.6%), overall rate: 43.6%
winds: input file reported 3733 ( 96.0%) values, QC retained 3546 ( 95.0%), overall rate: 91.2%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 13747.4m
QC for GPS Altitude
Points which failed the limit check: 0
Points which failed the number of satellites check: 39
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: 53
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: 6
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: 79
Points which failed the wind error check: 12
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): 971.75s
Extrapolated surface time: 972.29s
Fall distance from last frame: 5.1m
Extrapolated surface pressure: 1013.2mb
Extrapolated surface temperature: 27.8C
Extrapolated surface rh: 78.5%
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)