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This glossary contains seven terms related to natural disasters whose intensity or frequency are influenced by climate change.

cyclone
noun
Atmospheric system characterized by the rapid inward circulation of air masses about a low-pressure center, usually accompanied by stormy, often destructive weather. Cyclones circulate counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. Source: Glossary by BeSafeNet - European Centre for Disaster Awareness.
Example: At least two people died in the cyclone, which crossed western Cuba as a Category 3 hurricane Tuesday en route to Florida, authorities said — Ellen Francis, Washington Post, 28 Sep. 2022. Source: Merriam-Webster Dictionary.
fr: cyclone
drought
noun
A period of deficiency of moisture in the soil such that there is inadequate water required for plants, animals and human beings. Source: Glossary by BeSafeNet - European Centre for Disaster Awareness.
Example: The drought caused serious damage to crops. Source: Merriam-Webster Dictionary.
fr: sécheresse
floods
noun
Water temporary covering land that is usually not covered in water. This includes floods caused by rivers, mountain springs, Mediterranean – type water streams and floods inflicted to coastal areas by the sea, and excluding floods caused by sewer systems. Source: Glossary by BeSafeNet - European Centre for Disaster Awareness.
Example: Floods are extremely devastating in poor villages.
fr: inondations
heat wave
noun
A period of abnormally hot and/or unusually humid weather. Typically a heat wave lasts two or more days. Source: EM-DAT Glossary by the Centre for Research on the Epidemiology of Disasters - CRED.
Example: But those extremes don’t do justice to what is shaping up to be the most brutal September heat wave in California history, expected to last nine days. — Anchorage Daily News, 7 Sep. 2022. Source: Merriam-Webster Dictionary.
fr: canicule
hurricane
noun
A tropical cyclone, formed in the atmosphere over warm ocean; areas, in which wind speeds reach 74 miles per hour (119 km/h) or more, and blow in a large spiral around a relatively calm center or “eye”. Circulation is counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. Hurricane severity is defined by categories from I to V. Source: Glossary by BeSafeNet - European Centre for Disaster Awareness.
Example: Some parts of the region experienced rain early Monday as remnants of Tropical Storm Roslyn, which had been a hurricane in the Pacific, moved into South Central Texas. — Shepard Price, San Antonio Express-News, 24 Oct. 2022. Source: Merriam-Webster Dictionary.
fr: ouragan
storm
noun
Wind with a speed between 48 and 55 knots (88 and 101 km/h) (Beaufort scale wind force 10). Source: Glossary by BeSafeNet - European Centre for Disaster Awareness.
Example: The sky got dark and it looked like a storm was coming. Source: Merriam-Webster Dictionary.
fr: tempête
wildfire
noun
Any uncontrolled and non-prescribed combustion or burning of plants in a natural setting such as a forest, grassland, brush land or tundra, which consumes the natural fuels and spreads based on environmental conditions. Source: EM-DAT Glossary by the Centre for Research on the Epidemiology of Disasters - CRED.
Example: The recent wildfires were made worse by the strong winds. Source: Merriam-Webster Dictionary.
fr: incendie de forêt