Simple categories matching disastrous:

• situation,
• state,
• event,
• accident,
• process,
• episode,
• impact,
• consequence,
• incident,
• phenomenon,
• storm,
• occurrence,
• complication,
• weather,
• happening,
• failure,
• result,
• action,
• activity,
• hazard,

Members with property disastrous:

• severe_storm,
• fire,
• big_flood,
• flood,
• preemption,
• computer_malfunction,
• death,
• life,
• storm,
• rejection,
• sandstorm,
• piper_alpha,
• power_loss,
• explosion,
• war,
• south-african_war,
• holocaust,
• malnutrition,
• riot,
• dehydration,
• debris_flow,
• storm_surge,
• natural_disaster,
• enormous_flood,
• theft,
• angora_fire,
• criminal_activity,
• shelter_fire,
• wildfire,
• illegal_logging,
• hurricane,
• crippling_inflation,
• landslide,
• depreciation,
• tornado,
• telecommunication,
• volcanic_eruption,
• bioterrorism,
• surface,
• impact,
• virus_attack,
• inbreeding,
• arc_fire,
• local_flood,
• earthquake,
• epidemic,
• lightning_strike,
• lawsuit,
• avalanche,
• building,
• performance_issue,
• big_snow,
• bankruptcy,
• collapse,
• accident_release,
• unexpected_storm,
• downpour,
• thunder_storm,
• plane_crash,
• mining,
• typhoon,
• famine,
• cyclone,
• attack,
• telecommunication_failure,
• mass_shooting,
• blast,
• snow,
• financial_market,
• electrical_failure,
• thunderstorm,
• destruction,
• disk_problem,
• cholera_epidemic,
• building_fire,
• suicide,
• hail,
• coupling_failure,
• big_wave,
• challenger_explosion,
• leak,
• strong_gale,
• high_wind,
• strike,
• automobile_collision,
• sand_storm,
• sudden_death,
• gas_leak,
• electroshock_injury,
• injury,
• rainstorm,
• catastrophic_fire,
• political_upheaval,
• harrison_accident,
• river_flood,
• heavy_storm,
• water_leak,
• ranching,
• appearance,
• plane_incident,
• peer_support,
• movement,
• farming,
• loss,
• building_collapse,
• tsunami,
• biochemical_attack,
• blizzard,
• wind,
• bioterrorism_event,
• poverty,
• active_fire,
• dramatic_flood,
• terror_attack,
• unholy_alliance,
• drop,