Comparative rabal

From Glossary of Meteorology

comparative rabal

A rabal observation (i.e., a radiosonde balloon tracked by theodolite) taken simultaneously with the usual rawin observation (tracking by radar
or radio direction-finder).

Its purpose is to provide a rough check on the alignment and operating accuracy of the electronic tracking equipment.

Copyright 2022 American Meteorological Society (AMS). For permission to reuse any portion of this work, please contact Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act (17 U.S. Code § 107) or that satisfies the conditions specified in Section 108 of the U.S.Copyright Act (17 USC § 108) does not require AMS’s permission. Republication, systematic reproduction, posting in electronic form, such as on a website or in a searchable database, or other uses of this material, except as exempted by the above statement, require written permission or a license from AMS. Additional details are provided in the AMS Copyright Policy statement.