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8.6 NH Final Exam
Term | Definition |
---|---|
Tornado | a mobile, destructive vortex of violently rotating winds appearing like a funnel-shaped cloud and advancing beneath a large storm system. |
Hurricane | a storm with a violent wind, in particular, a tropical cyclone in the Caribbean |
Earthquake | a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action. |
Volcanic eruption | A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano |
Flood | an overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land |
Saffir-Simpson Scale | A system for classifying the intensity of a hurricane based on its wind speed. |
Geophysical | A hazard orginating from solid earth. This term is used to interchangeably with the term geological hazard. |
Meteorological | A hazard orginating from solid earth. This term is used to interchangeably with the term geological hazard. |
Hydrological | A hazard caused by the occurrence, movement, and distribution of surface and subsurface freshwater and saltwater. |
Climatological | A hazard caused by long-lived, meso- to macro-scale atmospheric processes ranging from intra-seasonal to multi-decadal climate variability |
Biological | A hazard caused by the exposure to living organisms and their toxic substances (e.g., venom, mold) or vector-borne diseases that they may carry. |
Magnitude | A measurement of the energy or strength of a natural hazard event. Generally, the stronger the hazard, the greater its magnitude. |
Risk | the chance (probability) that a danger or hazard will occur |
Forecast | a scientific claim (statement backed by evidence and scientific reasoning) about the likelihood that an event will occur in the future. |
Pattern | Something that repeats in a predictable manner. |
Prediction | A forecast. |