Low resolution radiosonde data set
Retrieved TEMP from hi. res radiosonde data set
Low resolution dropsonde data set
Retrieved TEMP from hi. res dropsonde data set
Low-resolution sounding data from TEMP, TEMPSHIP or TEMPDROP report
(Low resolution radiosonde or dropsonde data)
Each file name *.dat is made by appending the launching date and time in the
YYYYMMDDHHMISS format to the WMO station identification code. Each file contains
a header of 14 lines followed by a data block :
Header organization (lines 1 to 14)
-------------------
See data block organization for fields significance
No Parameter Unit Form. Miss
-- --------- ---- ----- ----
1 WMO identification code of the station a14
2 State and station name if present a50
3 Report name and measuring equipment a120
4 Launching date and time YYYYMMDDHHMISS a14
5 Height of the station m i5 -999
6 Latitude and longitude of the station dec.degr 2f9.3
7 Total cloud cover % i4 -999
8 Cloud amount WMO tab 020011 i4 -999
9 Height of base of cloud m i4 -999
10 Low clouds type WMO tab 020012 i4 -999
11 Middle clouds type WMO tab 020012 i4 -999
12 High clouds type WMO tab 020012 i4 -999
13 Number of lines NL in the data block i3
14 Empty
Data block organization (lines 15 to 17+NL)
-----------------------
A three line header (lines 15 to 17) containing the field names and units is
followed by the NL data lines (lines 18 to 17+NL).
The data lines are ordered by decreasing pressure (no missing pressure value).
Each data line contains 13 fields, separated by spaces. The contents and sizes
of the 13 fields that appear in each data record are as follows (Unit for Unit
or Code table (from the Manual oncodes (WMO-No. 306), International codes
volume I.2, part B), Form for FORTRAN Format, Miss for Missing value) :
No Parameter Unit Form. Miss
-- --------- ---- ----- ----
1 Timestamp for the creation of the row YYYYMMDDHHMISS a14
2 Geopotential altitude m i5 -999
3 Pressure hPa f6.1 -999
4 Air temperature deg. C f6.1 -999
5 Dew point temperature deg. C f6.1 -999
6 Wind direction degree f6.1 -999
7 Wind speed m/s f6.1 -999
8 Quality control flag for altitude i4 -999
9 Quality control flag for pressure i4 -999
10 Quality control flag for temperature i4 -999
11 Quality control flag for dew point temperature i4 -999
12 Quality control flag for wind speed i4 -999
13 Quality control flag for wind direction i4 -999
Data quality flags can take one of the following values :
0=good 1=suspect 2=bad 3=not controlled
Quality control procedures are explained in the document Quality control
procedures handbook that can be found on the anonymous ftp serveur, in
the directory /doc
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Updated : 2 September 1999