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A Flood Watch is issued when conditions are favorable for flooding. It does not mean flooding will occur, but it is possible. What should you do in a flooded area or driving to one?
A river flood advisory is issued by the National Weather Service of the United States when minor flooding at formal forecast points with river gaging sites and established flood stages is possible. Flooding may have many causes, such as heavy rain in the vicinity of the river, melting snow or ice jams .
Flood watch FLA: Issued as either a Flood Watch or a River Flood Watch. Indicates that flooding is possible in and close to the watch area. Those in the affected area are urged to be ready to take action if a flood warning is issued or flooding is observed. Flood warning FLW: Issued as either a Flood Warning or a River Flood Warning.
The following is an example of a river flood watch issued by the National Weather Service office in Seattle, Washington. [2]ZCZC SEAFFASEW WGUS66 KSEW 151139 URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SEATTLE WA 339 AM PST THU NOV 15 2007 ...THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A FLOOD WATCH FOR THE FOLLOWING RIVERS IN WESTERN WASHINGTON...
Flood watches have been issued for much of western and north-central Washington for the weekend, and the National Weather Service warned that flooding was possible through Sunday.
The weather service has issued warnings and watches across the U.S. Pacific Northwest for high winds and flooding, including blizzard warnings, from northern Washington to the Sierra Nevada Range.
A watch does not mean that flooding is occurring, only that weather conditions have created or will create a significant risk for it. If flooding occurs, a flood warning or flash flood warning would be issued, and immediate action should be taken. A flood warning or flash flood warning is issued when flooding is imminent or already occurring.
Heavy rain caused widespread flooding along the Snoqualmie River in Washington state on Tuesday, October 22, local media reported.A flood warning was extended until the evening of Wednesday ...