1/1/2024 0 Comments Flash flood near meMost flood deaths are due to FLASH FLOODS. You will not always have a warning that these deadly, sudden floods are coming. Furthermore, flash flood-producing rains can also trigger catastrophic mud slides. Rapidly rising water can reach heights of 30 feet or more. Flash floods can roll boulders, tear out trees, destroy buildings and bridges, and scour out new channels. Topography, soil conditions, and ground cover also play an important role.įlash floods occur within a few minutes or hours of excessive rainfall, a dam or levee failure, or a sudden release of water held by an ice jam. Intensity is the rate of rainfall, and duration is how long the rain lasts. The two key elements are rainfall intensity and duration. Several factors contribute to flash flooding. DOC/NOAA Flash floods #1 weather-related killer in the United States! How do flash floods occur? View more information regarding emergency preparedness.Flash floods and floods.the Awesome Power! A PREPAREDNESS GUIDE U.S. Do not smoke or use candles, lanterns or open flames unless you know that the gas has been turned off and the area has been ventilated. Floors and stairs that have been covered with mud can be very slippery.īe alert for gas leaks. After a flood, the ground and floors are covered with debris, including broken bottles and nails. Use a pole or stick to poke and turn things over and scare away small animals. Small animals that have been flooded out of their homes may seek shelter in yours. Be prepared with a detailed checklist because warning of an impending flood may provide little time for preparation before evacuation. Shut off gas and electricity and move valuable contents upstairs. Report downed power lines to the Portland General Electric or the County Emergency Management Office. Electrical current can travel through water. The number two flood killer after drowning is electrocution. Stay away from power lines and electrical wires. Do not drive around road barriers the road or bridge may be washed out. More people drown in their cars than anywhere else. If you walk in standing water, use a pole or stick to ensure the ground is still there.ĭo not drive through a flooded area. Currents can be deceptive six inches of moving water can knock you off your feet. Drowning is the number one cause of flood deaths, mostly during flash floods. Before the floodwaters hit, develop an evacuation plan among all household members, including a meeting place outside the house and an escape route out of the floodplain and away from the floodwaters.ĭo not walk through flowing water. The following is a list of important considerations that should be followed during times of flooding: La Honda Corporation Yard, 59 Entrada Way - (650) 747-0341.Pescadero High School, 350 Butano Cutoff Road.Pescadero Corporation Yard, 1000 Pescadero Road - (650) 879-0202.Princeton Corporation Yard, 203 Cornell Avenue - (650) 728-7993.Grant Corporation Yard, 752 Chestnut, Redwood City - (650) 363-4103.When you are done with them, feel free to bring them back to the yard for disposal or empty the sand on your lawn and throw the bags away. Requests for additional bags will be considered on a case-by-case basis. Pick-up stations are listed below.Ĭounty residents in unincorporated areas may pick up sandbags free of charge at the following locations. For further information about sandbags and the locations of sites where sandbags are available during flooding, contact the County's Department of Public Works at (650) 363-4100. San Mateo County Public Works, Roads Services has an emergency line (24 hours) a day (650) 363-4100.ĭuring flooding, installing sandbags can protect homes that have not been retrofitted during emergencies. San Mateo County's Community Alert System, SMC Alert, expands and enhances the County's ability to provide rapid notice to responders and the public regarding emergencies via SMS/Text messaging and email. OES is responsible for alerting and notifying appropriate agencies within the County's 20 cities when disaster strikes coordinating all agencies that respond ensuring resources are available and mobilized in times of disaster developing plans and procedures in response to and recovery from disasters, and developing and providing preparedness materials for our residents. The Area Office of Emergency Service (OES) coordinates countywide preparedness, response and protection services and activities for large-scale incidents and disasters.
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