River Flood WarningĪccording to the National Weather Service, a River Flood Warning is issued when a river is forecast to go above its designated flood stage at the forecast point. Flooding normally occurs more than six hours after the rainfall begins, and may cover a large area. However, even though this type of flooding develops more slowly than flash flooding, it can still be a threat to life and property according to the NWS. This results in a gradual ponding or buildup of water in low-lying, flood-prone areas, as well as small creeks and streams. Dangerous flooding in areas near these creeks and streams, as well as low-lying flood-prone areas, develops very quickly and is a significant threat to life and/or property.Īccording to the National Weather Service, an Areal Flood Warning is normally issued for flooding that develops more gradually, usually from prolonged and persistent moderate to heavy rainfall. ![]() This results in small creeks and streams quickly rising out of their banks. The National Weather Service states that a Flash Flood Warning is issued for flooding that normally occurs within six hours of heavy or intense rainfall. ![]() They do mean different things according to the National Weather Service. This is a confusing group of warnings and watches. Areal Flood WarningĪccording to the National Weather Service, an Areal Flood Warning is issued for flooding that occurs more gradually, normally from prolonged and persistent moderate to heavy rainfall. Flash Flood Warnings are issued for flooding usually occurring within six hours of heavy rain. It focuses on specific counties, communities, streams, or areas. The occurrence of flooding is neither certain nor imminent according to the NWS.Īccording to the National Weather Service, a Flood or Flash Flood Warning is issued to inform the public that flooding is imminent or in progress. The National Weather Service issues Flash Flood Watches and Warnings. They are issued when the current and/or developing weather pattern is such that there is a potential for rapid flooding (also known as flash flooding), more widespread areal flooding, or river flooding according to the National Weather Service. Flood AdvisoriesĪccording to the National Weather Service, a Flood Advisory is issued when flooding that is not considered a significant threat to life or property is expected or occurring. This usually deals with nuisance flooding problems, such as flooding in low-lying areas and areas of poor drainage, as well as minor flooding of streets and roadways. This type of flooding causes some inconvenience but is not generally considered a significant threat to life or property. Flood Advisories are normally issued as an Urban and Small Stream Flood Advisory. A warning means that there is an imminent threat of flooding. Remember, a watch means conditions are favorable for an event to take place. Let’s walk through each warning and watch step by step to make sure you are prepared for these advisories throughout the year. Cross this top 10 weather record off the list for 2023
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |