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Flash flood watch7/14/2023 Rapidly rising water may engulf the vehicle and sweep it away. If a vehicle stalls in high water, leave it immediately and seek higher ground.The depth of the water is not always obvious, and the roadbed itself may be washed out under the water. Do not attempt to drive across a flooded road.If driving in heavy rain, look out for flooding at highway dips and bridge underpasses.Nearly half of all flash flood fatalities are auto related.Continue monitoring weather forecasts and alerts-on radio, TV, or your phone.ĭriving and Flooding: A Dangerous Combination.If advised to evacuate, do so immediately.Do not attempt to cross flowing waterways.Avoid places that are already flooded and anywhere water is moving rapidly.When a flash flood WARNING is issued for your area, or the moment you realize that a flash flood is Avoid areas subject to flooding, including dips, low spots and ditches.Don’t park your vehicle along bayous, canals, streams or other waterways.When a flash flood WATCH is issued, be alert to signs of flash flooding and be ready to evacuate at you should monitor later forecasts and be prepared to take action should flash flood warnings be issued. flash flooding is a very dangerous situation. A flash flood warning means a flash flood is taking place or is imminent. a flash flood watch means that conditions may develop that lead to flash flooding. happen in flash floods.Ī flash flood watch means conditions are favorable for a flash flood. Often there’s no warning that these sudden and deadly floods are coming. Two feet of moving water can sweep a vehicle away. As little as six inches of moving water can knock a person down. Flash floods can sweep away cars, tear out trees, and destroy buildings and bridges.Uncleared storm debris in bayous, drainage ditches, and waterways can keep the water from flowing smoothly away. Roads and parking lots cannot absorb the water, which must drain off into saturated ditches and bayous. This causes drainage problems during heavy summer rainfall, tropical storms, and hurricanes. Louisiana's land is mostly flat lowlands.Two key elements are how hard the rain falls (rainfall intensity) and how long the rain lasts (duration). Several factors contribute to flash flooding.Heavy sustained rain can create rapid flooding within a few hours or even minutes, and flooding can occur miles away from where the rain fell. Most flash flooding is caused by slow-moving or stalled thunderstorms, by thunderstorms repeatedly moving over the same area, or by heavy rains from hurricanes and tropical storms.Over one area and drops heavy rain for hours, that can lead to dangerous flash flooding that If you start to feel sick, dizzy, or weak, get to fresh air right away – do not delay.Flash flooding occurs when too much rain falls too fast and too long for the ground toĪbsorb all that water. Carbon monoxide can’t be seen or smelled, but it can kill you fast. Gasoline, propane, natural gas, or charcoal-burning devices should never be used inside a home, basement, garage, tent, or camper – or even outside near an open window. Throw away wet materials that can’t be repaired or dried. When it is safe to return home, completely dry everything, clean up the mold and make sure you don’t still have a moisture problem. If you cannot return to dry your home within 24 to 48 hours, you should assume you have mold growth.If possible, dry your home and everything in it as quickly as you can within 24 to 48 hours. They may contain sewage, sharp items, and chemicals that can make you ill. Don’t get sick from eating spoiled food.Check with your local public health department about drinking water safety. Flooding can contaminate drinking water.
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