![]() The categories are based on the source of the water and the potential for harm that it carries. To put it simply, overland floodwater is dangerous, falling into the third category of water damage. Low-lying areas, including those below sea level.Areas prone to frequent freeze-thaw cycles.Areas that experience heavy seasonal rains.Land near lakes, retaining ponds, and other bodies of water.Other areas susceptible to overland flooding include: Whether a property is located within a floodplain or not, property owners explore flood insurance options to ensure coverage in case of a flood loss. While “floodplain” is defined as “an area of flat land beside a river that regularly becomes flooded when there is too much water in the river,” for insurance purposes this term may also refer to any area susceptible to floodwaters from any source, not just rivers. ![]() High-Risk AreasĪny location within a floodplain is at a higher risk of overland flooding. Municipalities and weather services usually provide areal flood warnings and updates on flood stages, allowing nearby property owners to take measures to protect their buildings and material goods. ![]() As with a flash flood, areal floodwaters can contain harmful bacteria and other contaminants. The water volume may increase with snowmelt during a spring thaw or in a particularly rainy season. Unlike flash floods, areal floods happen more slowly and in stages. Areal FloodsĪn areal flood occurs when rivers, lakes or retaining ponds overflow their banks due to a gradual increase in water volume. There is little or no time to prepare a property for the oncoming water, and the primary focus is on damage mitigation and recovery. Mechanical failures such as dams or levees burstingĪ sudden, large volume of water travels over dry ground, carrying any contaminants or hazards that it may sweep up.In a flash flood, water rises or accumulates in a matter of minutes or hours. Within the category of overland flooding, there are two important sub-categories: flash floods and areal floods. However, as weather patterns continue to change, these floods are becoming more likely throughout the year. Generally, overland floods will occur more often when the ground is still frozen or already saturated, such as during the springtime. This difference is especially important when it comes to insurance coverage. It is important to note that overland flooding is considered a separate problem from other causes of water damage, such as burst pipes or drain backups. A substantial amount of runoff from snowmelt.Neither of these should be confused with "Ariel," the main character of Disney's 1989 movie The Little Mermaid (The name Ariel is Hebrew in origin and means "Lion of God") nor with Areal, Rio de Janeiro, a municipality in the Brazilian state of Rio de Janeiro.Overland flooding is defined as a situation in which water rises and covers ordinarily dry land. If a view existed from the air of a large expanse of land, it would be an aerial areal view in other words a view of the area from the air. Not to be confused with "aerial" which means of or relating to the air. The word "areal" refers to an area, which is an expanse of space or a region of land. There's no word on why the National Weather Service changed the name of the watch. The word "areal" is the adjective version of the noun "area." Basically an Areal Flood Watch means there is potential for flooding over a large area. The National Weather Service adopted the new term several years ago which generally means the same as the more commonly used "Flood Watch" designation. This prompted some visitors to tell us that we had misspelled the word "areal," and that it should be "area." NEW YORK (CBSNewYork) - An "Areal Flood Watch?" Really CBS? Anyway, you may have noticed use of the word "areal" in the yellow or red bar at the top of during the recent rash of rain.
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