From army.mil:
“…The MARS Auxiliarists were tasked with collecting three different kinds of reports,” said English. “They collected county status reports from across the U.S. by interfacing with the amateur radio community; airport weather reports, called METARS, from select airports across CONUS and finally road closure reports. In total, MARS Ops collected 1,400 city and county status reports; 424 METARSs [Meteorological Terminal Air Reports]; and 190 road closure reports.” [Full story]