Natural hazard
Natural phenomena which occur in proximity and pose a threat to people, structures or economic assets and may cause disaster. They are caused by biological, geological, seismic, hydrological, or meteorological conditions or processes in the natural environment.

Non-structural elements
Those part of a building (e.g. partitions, ceilings, etc.) that do not belong to the load-bearing system.

Non-structural measures
Actions taken to reduce risk that do not directly involve physical, engineering, or technical measures. For example, land use and building regulations, disaster legislation, public education and information, disaster insurance.

Non-structural mitigation
Measures used to reduce the impact of future disasters without the use of engineering or architectural techniques. Non-structural mitigation includes insurance coverage, land use and planning measures, and emergency management.

Nowcast
A description of a current situation, e.g. weather over a short-period (0-2 hours) forecast.

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