Title: BALTEX_Cabauw_rsonde_20021001_20030930.tar

CONTACT(S):

Dr. Fred C. Bosveld
Royal Netherlands Meteorlogical Institute
Wilhelminalaan 10
P.O.Box 201
3730AE, De Bilt
The Netherlands
tel. +31 (0)30 2206911 (787)
fax +31 (0)30 2210407
e-mail: fred.bosveld@knmi.nl

1.0 DATA SET OVERVIEW

Contains the high resolution radiosonde observations for De Bilt The Netherlands(WMOcode:06260 De Bilt lat(N): 52.10 lon(E): 5.18 alt(msl): 4m) . De Bilt is located 25 km North East of the BALTEX anchor station Cabauw. The tar file will expand after untar in <yyyymmdd>_rsonde.dat files containing for each day the radiosonde data. The files are in ASCII (NASA Ames format).

2.0 INSTRUMENTATION DESCRIPTION:

The radiosonde is of type Vaisala RS90-Loran C. The files contain operational ascents at 10 sec. resolution. Quantities archived are: pressure (hPa), geopotential height (m), temperature (C), dew point temperature (C), relative humidity (%), wind speed (m/s) and wind direction (degrees).

3.0 DATA COLLECTION AND PROCESSING:

Radiosondes are launched in principle two times a day (12 and 24 h UTC).

4.0 QUALITY CONTROL PROCEDURES

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5.0 GAP FILLING PROCEDURES

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6.0 DATA REMARKS:

In the month 2002-10 and 2002-11 days are missing.

7.0 REFERENCE REQUIREMENTS:

Users of the data are required to follow the CEOP data policy. Above this users of this data are kindly requested to acknowledge:

"The Royal Netherlands Meteorological Institute"

in any publication in which the data are used. Questions about the data can be directed to the e-mail adress given above. The user is kindly asked to communicate any problem in the data set to the e-mail adress given below. Users are also kindly asked to send a copy of any publication in which the data are used to the adress given above.

8.0 REFERENCES:

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