Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS41
Ambient pressure: 329mb
Ambient temperature: -43C
Ambient RH: 50%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 6.1s, RS41 T sensor time constants: 6.5
RH equilibration at time: 47.9s, RS41 RH sensor time constants: 1.5
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20200308_023013_P.1 185120816 20030717305 14WSE TRACK99, 20030717305 14WSE TRACK99 AFRC C-130J, ---
Data type: AVAPS SOUNDING DATA, Channel 1
Sonde model: RSS421
Thermo sensor: RSS421
Fast Fall Test
Number of points with excessive fall rate: 805
Percentage of points with excessive fall rate: 100
Sounding diagnosed as a fast fall: Yes
File Processing
Data type: AVAPS SOUNDING DATA, Channel 1
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
1805 raw data records
32 ( 1.8%) raw data records had PTU checksum errors
139 ( 7.7%) raw data records had GPS checksum errors
5 ( 0.3%) raw data records had both PTU and GPS checksum errors
pres : input file reported 866 ( 48.0%) values, QC retained 808 ( 93.3%), overall rate: 44.8%
tdry : input file reported 867 ( 48.0%) values, QC retained 823 ( 94.9%), overall rate: 45.6%
RH : input file reported 862 ( 47.8%) values, QC retained 739 ( 85.7%), overall rate: 40.9%
winds: input file reported 1666 ( 92.3%) values, QC retained 1291 ( 77.5%), overall rate: 71.5%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 8573.4m
QC Processing Errors
This appears to be a fast fall sounding.
QC for GPS Altitude
Points which failed the limit check: 0
Points which failed the buddy check: 0
Points which failed the Q/C filter check: 0
QC for GPS Latitude
Points which failed the limit check: 0
Points which failed the buddy check: 0
Points which failed the Q/C filter check: 30
QC for GPS Longitude
Points which failed the limit check: 0
Points which failed the buddy check: 0
Points which failed the Q/C filter check: 35
QC for Pressure
Points which failed the limit check: 0
Points which failed the buddy check: 15
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: 0
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: 15
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: 268
Points which failed the buddy check: 0
Outlier check disabled
Q/C filter check disabled
Points which failed the vertical velocity check: 51
Surface Observation
Splash time (time of the last usable frame): 450.75s
Extrapolated surface time: 451.29s
Fall distance from last frame: 9.5m
Extrapolated surface pressure: 1016.4mb
Extrapolated surface temperature: 15.1C
Extrapolated surface rh: 65.4%
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)