CAP tends to be less than specific about the areas covered, with regard to
the VTEC-generated "weather wire" alerts. There are methods to get those
in, as well. Some of us have been dealing with discrepancies in WEA and CAP
for a long time and in the professional arena.
On Fri, Aug 4, 2017 at
I've developed a NWS CAP protocol parser to inject local weather events
into APRS. In doing so, I spent much time researching the required
format of such a message.
I found detailed comments in alert.c. I also found a document from
WB4APR (http://www.aprs.org/APRS-docs/WX.TXT) that was updated