Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS41
Ambient pressure: 179mb
Ambient temperature: -56C
Ambient RH: 82%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 7.6s, RS41 T sensor time constants: 6.7
RH equilibration at time: 58.9s, RS41 RH sensor time constants: 1.8
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20210906_163828_P.4 204310014 Hurr Larry, 20210906N1 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
3709 raw data records
44 ( 1.2%) raw data records had PTU checksum errors
157 ( 4.2%) raw data records had GPS checksum errors
13 ( 0.4%) raw data records had both PTU and GPS checksum errors
pres : input file reported 1821 ( 49.1%) values, QC retained 1766 ( 97.0%), overall rate: 47.6%
tdry : input file reported 1824 ( 49.2%) values, QC retained 1765 ( 96.8%), overall rate: 47.6%
RH : input file reported 1813 ( 48.9%) values, QC retained 1662 ( 91.7%), overall rate: 44.8%
winds: input file reported 3577 ( 96.4%) values, QC retained 3489 ( 97.5%), overall rate: 94.1%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 13191.4m
QC for GPS Altitude
Points which failed the limit check: 0
Points which failed the number of satellites check: 5
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: 22
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: 7
Points which failed the wind error check: 13
Points which failed the buddy check: 0
Outlier check disabled
Q/C filter check disabled
Points which failed the vertical velocity check: 3
Surface Observation
Splash time (time of the last usable frame): 926.75s
Extrapolated surface time: 927.29s
Fall distance from last frame: 5.4m
Extrapolated surface pressure: 1012.7mb
Extrapolated surface temperature: 28.9C
Extrapolated surface rh: 75.5%
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)