climate (version 1.2.1)

sounding_wyoming: Sounding data

Description

Downloading the measurements of the vertical profile of atmosphere (also known as sounding data). Data can be retrieved using TEMP and BUFR sounding formatting.

Usage

sounding_wyoming(
  wmo_id,
  yy,
  mm,
  dd,
  hh,
  min = 0,
  bufr = FALSE,
  allow_failure = TRUE
)

Value

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

1. PRES - Pressure (hPa)

2. HGHT - Height (metres)

3. TEMP - Temperature (C)

4. DWPT - Dew point (C)

5. RELH - Relative humidity (%)

6. MIXR - Mixing ratio (g/kg)

7. DRCT - Wind direction (deg)

8. SKNT - Wind speed (knots)

9. THTA = (K)

10. THTE = (K)

11. THTV = (K)

The second list contains metadata and calculated thermodynamic / atmospheric instability indices (for TEMP soundings only)

A list of 2 data.frames where first data frame represents parameters of upper parts o with columns describing the meteorogical parameters (e.g. temperature, air pressure) where each row represent a measurement, depending on the height. Second data.frame presents a description of the conditions under which the sounding was carried out.

Arguments

wmo_id

international WMO station code (World Meteorological Organization ID); For Polish stations: Leba - 12120, Legionowo - 12374, Wrocław- 12425

yy

year - single number

mm

month - single number denoting month

dd

day - single number denoting day

hh

hour - single number denoting initial hour of sounding; for most stations this measurement is done twice a day (i.e. at 12 and 00 UTC), sporadically 4 times a day

min

minute - single number denoting initial minute of sounding; applies only to BUFR soundings.

bufr

• BUFR or TEMP sounding to be decoded. By default TEMP is used. For BUFR soundings use bufr = TRUE

allow_failure

logical - whether to proceed or stop on failure. By default set to TRUE (i.e. don't stop on error). For debugging purposes change to FALSE

Examples

# \donttest{
##############################################################################
# download data for Station 45004 starting 1120Z 11 Jul 2021; Kowloon, HONG KONG, CHINA
# using TEMP and BUFR sounding formats
##############################################################################
  TEMP = sounding_wyoming(wmo_id = 45004, yy = 2021, mm = 07, dd = 17, 
                          hh = 12, min = 00)
  head(TEMP[[1]])
  
  BUFR = sounding_wyoming(wmo_id = 45004, yy = 2021, mm = 07, dd = 17, 
                          hh = 12, min = 00, bufr = TRUE)
  head(BUFR[[1]])


##############################################################################
### example with a random date to download sounding from LEBA, PL station: ###
##############################################################################

  profile = sounding_wyoming(wmo_id = 12120, 
                             yy = sample(2000:2019,1),
                             mm = sample(1:12,1), 
                             dd = sample(1:20,1), 
                             hh = 0)
  # plot(profile[[1]]$HGHT, profile[[1]]$PRES, type = 'l')
# }