SOCRATES Dropsondes

The NCAR GV was deployed on fourteen research flights over the Southern Ocean for the SOCRATES-2018 field campaign. One hundred eight soundings were collected by the NCAR AVAPS dropsonde system during eleven of those research flights between Jan 19 and Feb 24, 2018. 

Flight Summary:

Flight #

Date(d-m-yr) # of Drops Notes
RF01 15-01-2018 0 Launcher Inoperable
RF02 19-01-2018 7 Good Mission
RF03 22-01-2018 7 Good Mission
RF04 24-01-2018 7 Good Mission
RF05 25-01-2018 5 Good Mission
RF06 29-01-2018 10 Good Mission
RF07 31-01-2018 6 Good Mission
RF08 03-02-2018 0 Launcher Inoperable
RF09 04-02-2018 0 Launcher Inoperable
RF10 07-02-2018 10 Good Mission
RF11 16-02-2018 7 No Sat Comm
RF12 17-02-2018 14 Good Mission
RF13 19-02-2018 10 Good Mission
RF14 21-02-2018 14 Good Mission
RF15 24-02-2018 12 Good Mission


The atmospheric profiles collected by the dropsondes contain the following parameters: 

Field Number Parameter Units Measured/Calculated
1 Time Seconds -----------------------------
2 UTC Hour Hours -----------------------------
3 UTC Minute Minutes -----------------------------
4 UTC Second Seconds -----------------------------
5 Pressure Hectopascals (hPa) Measured
6 Dry-bulb Temperature Degrees Celcius (C) Measured
7 Dewpoint Temperature Degrees Celcius (C) Calculated
8 Relative Humidity Percent (%) Measured
U Wind Component Meters/Second (m/s) Calculated
10  V Wind Component Meters/Second (m/s) Calculated
11 Wind Speed Meters/Second (m/s) Measured
12 Wind Direction Degrees Measured
13 Descent Rate Meters/Second (m/s) Calculated
14 Geopotential Altitude Meters Calculated
15 Longitude Degrees Measured
16 Latitude Degrees Measured
17 GPS Altitude Meters Measured