The role of amateur radio in providing emergency electronic communication for disaster management. … Amateur radio operators have been providing communications in natural disasters such as floods, hurricanes and earthquakes since 1910.
CANWARN Canadian Weather Amateur Radio Network http://rac.ca
AREDN Amateur Radio Emergency Data Network https://www.aredn.org/
ARRL Amateur Radio Relay League http://www.arrl.org/amateur-radio-emergency-communication
SATERN Salvation Army Team Emergency Radio Network http://www.satern.org/