A flash flood warning was released by the National Weather Service on Sunday at 4:17 p.m. in effect until 6:15 p.m. for Allegheny County.
Published: Jun. 08, 2025, 4:20 p.m.A flash flood warning was released by the National Weather Service on Sunday at 4:17 p.m. in effect until 6:15 p.m. for Allegheny County. "At 4:17 p.m., Doppler radar indicated thunderstorms producing heavy rain across the warned area.
Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly," according to the weather service. "Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas." Locations impacted by the warning include Pittsburgh, Mount Lebanon, Ross Township, McCandless Township, Moon Township, Franklin Park, Upper St. Clair, Scott Township, Robinson Township, Bellevue, Carnegie, Kennedy Township, West View, Stowe Township, McKees Rocks, Crafton, Coraopolis, Bridgeville, Avalon and Green Tree. The weather service adds, "Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads."A flash flood warning is issued when a flash flood is imminent or occurring. If you are in a flood-prone area, move immediately to high ground. A flash flood is a sudden violent flood that can take from minutes to hours to develop. It is even possible to experience a flash flood in areas not immediately receiving rain.A flood warning is declared when flooding is on the verge of happening or is already underway.A flood advisory is released when flooding is not expected to reach a severity level necessitating a warning. Nonetheless, it can still cause considerable inconvenience and, without exercising caution, potentially lead to situations that threaten life and/or property.A flood watch is issued when conditions are favorable for flooding. It does not mean flooding will occur, but it is possible.Floods can pose a significant threat, especially if you live in a flood-prone area or find yourself camping in a low-lying region. To ensure your safety, the weather service offers essential flood safety guidelines:If you reside in a flood-prone region or are camping in low-lying terrain, the first step to safety is relocating to higher ground.When local authorities issue an evacuation order, promptly comply. Before leaving, secure your home by locking it.If time permits, disconnect your utilities and appliances. This precaution minimizes electrical hazards during flooding.Avoid basements or rooms submerged in water with electrical outlets or cords. Preventing electrical accidents is crucial.If you notice sparks or hear buzzing, crackling, snapping, or popping sounds, evacuate without delay. Do not enter water that may carry an electrical charge.Never attempt to walk through floodwaters. Even just 6 inches of swiftly moving water can forcefully knock you off your feet.In the event you become trapped by moving water, make your way to the highest point available and contact emergency services by calling 911. When heavy rain occurs, there is a potential for flooding, particularly in areas that are low-lying or prone to floods. It is crucial to never drive through water on the road, even if it appears shallow. According to the weather service, as little as 12 inches of fast-flowing water can carry away most vehicles. Stay safe by being prepared and informed.Rain can turn roads into hazards. Stay informed and follow these tips from the weather service to ensure safety during heavy rainfall:Avoid parking or walking in close proximity to culverts or drainage ditches, as the swiftly moving water during heavy rain can potentially carry you away.The two-second rule for following distance is your ally in heavy rain. Extend it to four seconds to ensure safe spacing in adverse conditions.On wet roads, reducing your speed is crucial. Ease off the gas pedal gradually and avoid abrupt braking to prevent skidding.Visibility matters: Turn on your headlights and be careful of other vehicles to the rear and in blind spot areas as they are especially difficult to see through rain-spattered windows.The initial half-hour of rain is when roads are slickest due to a mixture of rain, grime, and oil. Exercise heightened caution during this period.Large trucks and buses can reduce your visibility with tire spray. Avoid tailgating and pass them swiftly and safely.Overloaded wiper blades can hinder visibility. If rain severely impairs your vision, pull over and wait for conditions to improve. Seek refuge at rest areas or sheltered spots. If the roadside is your only option, pull off as far as possible, preferably past the end of a guard rail, and wait until the storm passes. Keep your headlights on and turn on emergency flashers to alert other drivers of your position. By following these safety measures, you can significantly reduce risks and ensure your well-being when heavy rain pours down. Stay informed about weather conditions and heed advice from local authorities to make your journey safe and sound. Advance Local Weather Alerts is a service provided by United Robots, which uses machine learning to compile the latest data from the National Weather Service.A flash flood warning is issued when a flash flood is imminent or occurring. If you are in a flood-prone area, move immediately to high ground. A flash flood is a sudden violent flood that can take from minutes to hours to develop. It is even possible to experience a flash flood in areas not immediately receiving rain.A flood warning is declared when flooding is on the verge of happening or is already underway.A flood advisory is released when flooding is not expected to reach a severity level necessitating a warning. Nonetheless, it can still cause considerable inconvenience and, without exercising caution, potentially lead to situations that threaten life and/or property.A flood watch is issued when conditions are favorable for flooding. It does not mean flooding will occur, but it is possible.Floods can pose a significant threat, especially if you live in a flood-prone area or find yourself camping in a low-lying region. To ensure your safety, the weather service offers essential flood safety guidelines:If you reside in a flood-prone region or are camping in low-lying terrain, the first step to safety is relocating to higher ground.When local authorities issue an evacuation order, promptly comply. Before leaving, secure your home by locking it.If time permits, disconnect your utilities and appliances. This precaution minimizes electrical hazards during flooding.Avoid basements or rooms submerged in water with electrical outlets or cords. Preventing electrical accidents is crucial.If you notice sparks or hear buzzing, crackling, snapping, or popping sounds, evacuate without delay. Do not enter water that may carry an electrical charge.Never attempt to walk through floodwaters. Even just 6 inches of swiftly moving water can forcefully knock you off your feet.In the event you become trapped by moving water, make your way to the highest point available and contact emergency services by calling 911. When heavy rain occurs, there is a potential for flooding, particularly in areas that are low-lying or prone to floods. It is crucial to never drive through water on the road, even if it appears shallow. According to the weather service, as little as 12 inches of fast-flowing water can carry away most vehicles. Stay safe by being prepared and informed.Rain can turn roads into hazards. Stay informed and follow these tips from the weather service to ensure safety during heavy rainfall:Avoid parking or walking in close proximity to culverts or drainage ditches, as the swiftly moving water during heavy rain can potentially carry you away.The two-second rule for following distance is your ally in heavy rain. Extend it to four seconds to ensure safe spacing in adverse conditions.On wet roads, reducing your speed is crucial. Ease off the gas pedal gradually and avoid abrupt braking to prevent skidding.Visibility matters: Turn on your headlights and be careful of other vehicles to the rear and in blind spot areas as they are especially difficult to see through rain-spattered windows.The initial half-hour of rain is when roads are slickest due to a mixture of rain, grime, and oil. Exercise heightened caution during this period.Large trucks and buses can reduce your visibility with tire spray. Avoid tailgating and pass them swiftly and safely.Overloaded wiper blades can hinder visibility. If rain severely impairs your vision, pull over and wait for conditions to improve. Seek refuge at rest areas or sheltered spots. If the roadside is your only option, pull off as far as possible, preferably past the end of a guard rail, and wait until the storm passes. Keep your headlights on and turn on emergency flashers to alert other drivers of your position. By following these safety measures, you can significantly reduce risks and ensure your well-being when heavy rain pours down. Stay informed about weather conditions and heed advice from local authorities to make your journey safe and sound. Advance Local Weather Alerts is a service provided by United Robots, which uses machine learning to compile the latest data from the National Weather Service. If you purchase a product or register for an account through a link on our site, we may receive compensation.
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