National Weather Association
Supports and promotes excellence in operational meteorology and related activities.
www.nwas.org
Carolina Area Storm Investigators (CASI)
Nonprofit organization consisting of amateur and professional meteorologists dedicated to the observation and documentation of weather in the Carolina Area.
www.weatherwatchers.org
Australian Severe Weather Association Inc.
Provides a forum for discussion of severe weather events in Australia and disseminates information about severe weather to the community.
www.severeweather.asn.au