Ambient Equilibration
Cabin temperature: 25C
Sensor type: RS41
Ambient pressure: 464mb
Ambient temperature: -6C
Ambient RH: 100%
Temperature equilibration accuracy: 0.1C
RH equilibration accuracy: 5.0%
Temperature equilibration at time: 4.6s, RS41 T sensor time constants: 5.7
RH equilibration at time: 14.7s, RS41 RH sensor time constants: 0.6
Pressure: same equilibration time used as for temperature
Wind equilibration: 10.0s
Description
D20220927_130401_P.4 212250402 HURRICANE IAN, 20220927H1 WP-3D Orion, N42RF
Data type: AVAPS SOUNDING DATA, Channel 4
Sonde model: RSS421
Thermo sensor: RSS421
Fast Fall Test
Number of points with excessive fall rate: 263
Percentage of points with excessive fall rate: 100
Sounding diagnosed as a fast fall: Yes
File Processing
Data type: AVAPS SOUNDING DATA, Channel 4
Sonde model: RSS421
Thermo sensor: RSS421
Post-splash Test
Floating sonde detected - gap larger than 1 second in GPS near surface
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
1397 raw data records
74 ( 5.3%) raw data records had PTU checksum errors
928 (66.4%) raw data records had GPS checksum errors
54 ( 3.9%) raw data records had both PTU and GPS checksum errors
pres : input file reported 343 ( 24.6%) values, QC retained 265 ( 77.3%), overall rate: 19.0%
tdry : input file reported 347 ( 24.8%) values, QC retained 260 ( 74.9%), overall rate: 18.6%
RH : input file reported 320 ( 22.9%) values, QC retained 246 ( 76.9%), overall rate: 17.6%
winds: input file reported 608 ( 43.5%) values, QC retained 311 ( 51.2%), overall rate: 22.3%
QC Height Integration
Upward integration starts @ 0.0m
Downward integration starts @ 6380.1m
QC Processing Errors
- This sounding appears to contain post-splash data. Please remove post-splash data by setting end-of-drop time.
- This appears to be a fast fall sounding.
QC for GPS Altitude
Points which failed the limit check: 0
Points which failed the number of satellites check: 4
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: 4
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: 2
Points which failed the outlier check: 1
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: 3
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: 7
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: 2
Points which failed the outlier check: 1
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: 8
Points which failed the wind error check: 97
Points which failed the buddy check: 0
Outlier check disabled
Q/C filter check disabled
Points which failed the vertical velocity check: 12
Surface Wind Determination
Adjusted altitude of last wind is 59.0m, surface wind was not coded
PTU/wind offset is 0.00s (PTU observations lead wind observations by 0.00s)