Disaster means damaging weather, including drought, excessive moisture, hail, freeze, tornado, hurricane, typhoon, excessive wind, excessive heat, weather-related saltwater intrusion, weather-related irrigation water rationing, or any combination thereof and adverse natural occurrences such as earthquakes or volcanic eruptions. Disaster includes a related condition that occurs as a result of the damaging weather or adverse natural occurrence and exacerbates the condition of the crop, such as disease and insect infestation. It does not include brownouts or power failures.
7 CFR § 760.602
The following definitions apply to all determinations made under this subpart.