Category: Define

Flood High water flow or an overflow of rivers or streams from their natural or artificial banks, inundating adjacent low lying areas.

Flood Plain Level land that may be submerged by flood waters. Flood High water flow or an overflow of rivers or streams from their natural

Fog A visible aggregate of minute water droplets suspended in the atmosphere at or near the surface of the earth, reducing horizontal visibility to less

Forecast A statement of expected future occurrences. Weather forecasting includes the use of objective models based on certain atmospheric parameters, along with the skill and

Fresh Water Water found rivers, lakes, and rain, that is distinguished from salt water by its appreciable lack of salinity. Salt Water The water of

Friction In meteorology, it is the turbulent resistance of the earth on the atmosphere. Considered as the resistance of fluids (air and water) to the

Front The transition zone or interface between two air masses of different densities, which usually means different temperatures. For example, the area of convergence between

Fujita-Pearson Scale A scale that classifies the severity of wind damage intensity based on the degree of destruction as it relates to the wind speed

Funnel Cloud A violent, rotating column of air visibly extending from the base of a towering cumulus or cumulonimbus toward the ground, but not in

Fusion The change of state from a solid to a liquid at the same temperature. The heat of fusion is the number of gram calories