The NWS changed the Advisory terms in late 2024, as the CWA was previously called a Wind Chill Advisory.
In the Sioux Falls NWS county warning area (CWA), a Winter Weather Advisory may also be issued if 5-8″ of snow is expected over a 24-hour period. In addition to being issued to snowfall ...
The NWS explains the reasoning behind the changes ... The criteria for issuing a Cold Weather Advisory (CWA) differ for the Hill Country and the Austin metro area. A CWA will be issued if ...