A data frame with 70 observations on the following 11 variables.
V1a vector with pressure values (hPa)
V2a vector with height (m)
V3a vector with temperature values (Celsius)
V4a vector with dew point temperature values (Celsius)
V5a vector with relative humidity values (%)
V6a vector with mixing ratio values (g/kg)
V7a vector with wind direction values (degrees)
V8a vector with wind speed values (knots)
V9a vector with potential temperature (K)
V10a vector with equivalent potential temperature (K)
V11a vector with virtual potential temperature (K)