Running examples in ‘thunder-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: sounding_hodograph
> ### Title: Plot hodograph based on rawinsonde data
> ### Aliases: sounding_hodograph
> 
> ### ** Examples
> 
> chanhassen = get_sounding(wmo_id = 72649, yy = 2001, mm = 5, dd = 10, hh = 00)
[1] "http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649"

 Downloaded 767 bytes.../tmp/RtmpqNFGeW/file1494d55ac00d8b
Service not working or wmo_id or date not correct. Check url:
http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649
Problems with downloading. Re-trying in 5 seconds...
[1] "http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649"
/tmp/RtmpqNFGeW/file1494d52a147f84
Service not working or wmo_id or date not correct. Check url:
http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649
Problems with downloading. Re-trying in 5 seconds...
[1] "http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649"
/tmp/RtmpqNFGeW/file1494d517109886
Service not working or wmo_id or date not correct. Check url:
http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649
Problems with downloading. Re-trying in 5 seconds...
[1] "http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649"
/tmp/RtmpqNFGeW/file1494d56314e610
Service not working or wmo_id or date not correct. Check url:
http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649
Problems with downloading. Re-trying in 5 seconds...
[1] "http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649"
/tmp/RtmpqNFGeW/file1494d54c646bbd
Service not working or wmo_id or date not correct. Check url:
http://weather.uwyo.edu/cgi-bin/sounding?TYPE=TEXT%3ALIST&YEAR=2001&MONTH=05&FROM=1000&TO=1000&STNM=72649Error in if ((!is.null(sounding_data)) & (ncol(sounding_data[[1]]) > 0)) { : 
  argument is of length zero
Calls: get_sounding
Execution halted