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8.6 NH Final exam
| Term | Definition |
|---|---|
| Tornado | a mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system. |
| Saffir-Simpson Scale | What is the explanation of the Saffir-Simpson scale? The Saffir-Simpson Hurricane Wind Scale is a 1 to 5 rating based on a hurricane's sustained wind speed |
| Mitigate | make less severe, serious, or painful |
| Natural Hazard Forecast | Prediction means knowing when are where a natural hazard will strike on a spatial and temporal scale that can be acted on meaningfully in terms of evacuation. |
| Cone of Uncertainty | The cone of uncertainty is a graphic depiction of the increasing accuracy that is possible for estimates as the details of a project become more known over time |
| Monitoring | observe and check the progress or quality of (something) over a period of time; keep under systematic review. |
| Seismic Resistance Construction | earthquake-resistant construction, the fabrication of a building or structure that is able to withstand the sudden ground shaking that is characteristic of earthquakes, thereby minimizing structural damage and human deaths and injuries. |
| Volcanic Explosive index | The Volcanic Explosivity Index (VEI) is a scale that describes the size of explosive volcanic eruptions based on magnitude and intensity. |
| Mercalli Scale | a twelve-point scale for expressing the local intensity of an earthquake, ranging from I (virtually imperceptible) to XII (total destruction). |
| Seismometer | A seismometer is the internal part of the seismograph, which may be a pendulum or a mass mounted on a spring |
| Severity | the fact or condition of being severe. |
| Enhanced Fujita Scale | The Enhanced Fujita Scale or EF Scale, which became operational on February 1, 2007, is used to assign a tornado a 'rating' based on estimated wind speeds and related damage. |
| Convergent Boundary | When two plates come together, it is known as a convergent boundary. The impact of the colliding plates can cause the edges of one or both plates to buckle up into a mountain ranges or one of the plates may bend down into a deep seafloor trench. |
| Transform Boundary | Transform boundaries are places where plates slide sideways past each other. |
| Divergent Boundary | Divergent Boundary is when two plates move away from eachother |
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