Download rawinsonde measurement — get

Download rawinsonde measurement from sounding database of the University of Wyoming in a form convenient to use with thundeR package. In case of problems with downloading the chosen dataset the url is checked 5 times in 5-second intervals.

get_sounding(wmo_id, yy, mm, dd, hh, metadata = FALSE)

Source

http://weather.uwyo.edu/upperair/sounding.html

Arguments

wmo_id: international WMO station code (e.g. 11035 for Vienna)
yy: year - single number (e.g. 2010)
mm: month - single number (e.g. 5)
dd: day - single number (e.g. 23)
hh: hour - single number (e.g. 0)
metadata: - logical, whether to return metadata of downloaded sounding; default FALSE

Value

Returns two lists with values described at: weather.uwyo.edu ; The first list contains:

pressure - pressure [hPa]
altitude - altitude [meters]
temp - temperature [degree Celsius]
dpt - dew point temperature [degree Celsius]
wd - wind direction [azimuth in degrees]
ws - wind speed [knots]

If metadata = TRUE then retrieved data is wrapped into a second list containing available metadata

Examples

# \donttest{
# download rawinsonde profile from Vienna (WMO ID: 11035) for 23 August 2011 1200 UTC:

  profile = get_sounding(wmo_id = 11035, 
                         yy = 2011,
                         mm = 8, 
                         dd = 23, 
                         hh = 12)
  head(profile)
#>   pressure altitude temp  dpt  wd ws
#> 2      991      200 32.8 23.8 110  8
#> 3      979      309 31.5 23.1 135 10
#> 4      925      818 25.6 19.6 155 10
#> 5      909      971 24.1 18.9 165 10
#> 6      896     1098 22.8 18.4 181 11
#> 7      870     1356 25.2  6.2 215 14
  
# }