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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.
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 .
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.
Dec. 4—Rain, heavy rain, heavy rain, rain, rain, rain, rain and rain. That's the National Weather Service's forecast for Monday to Thursday, day and night, out of the Chehalis-Centralia Airport.
There is a flood watch in effect from 11 a.m. June 2 until 11 a.m. June 5, according to the National Weather Service. The following counties are affected: Pierce, Mason, King, Snohomish and Skagit.
A powerful storm clobbered Washington state on Wednesday, knocking out power to hundreds of thousands of people while disrupting road travel and causing at least two deaths and two injuries. Winds ...
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...
A typical warning will state the forecast point covered by the warning, the current flood stage, the established flood stage, and the expected crest, which is issued by the River Forecast Center. The crest will usually occur at least six-seven hours after the start of the event and the flooding can be caused by heavy rain in the vicinity of the ...