Weather alert affecting Oconee Mountains Sunday afternoon

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A weather alert was issued by the NWS Greenville-Spartanburg SC on Sunday at 2:55 p.m. for thunderstorms until 3:30 p.m. for Oconee Mountains.

“At 2:55 p.m., Doppler radar tracked a thunderstorm with frequent lightning 14 miles northeast of Clayton, or 6 miles south of Highlands, moving south at 10 mph,” comments the NWS.

The NWS adds, “Frequent lightning is occurring with this storm. If outdoors, try to get indoors or into a hard topped vehicle. Otherwise, stay away from open areas and isolated high objects such as trees. When indoors, stay away from windows and doors and avoid using wired electronic devices. Do not take a shower or bath. Try to unplug unnecessary appliances before the storm approaches.”

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This alert is in effect until 3:30 p.m.

Actions to take when lightning threat is imminent

Lightning strikes the United States about 25 million times a year. Most of the strikes occur in the summer, killing 20 people each year, according to the NWS. Chance of lightning increases as a thunderstorm approaches and peaks when the storm is overhead. It diminishes as the storm moves away.

Here are recommendations for maintaining safety during a thunderstorm:

• To reduce the chance of being struck by lightning, when venturing outside, have a plan to get to a safer area.
• If the sky becomes threatening and thunder can be heard, find a safe place to shelter.
• Once inside, abstain from touching corded phones, electrical devices, plumbing, and windows and doors.
• Wait for 30 minutes after the most recent lightning or thunder before venturing outside.

If finding indoor shelter is not an option:

• Steer clear of open fields, hilltops, or ridge tops.
• Stay away from tall, isolated trees or other tall objects. If you are in a forest, stay near a lower stand of trees.
• When in a group, space out to prevent the current from transferring between individuals.
• When camping in an open environment, select a campsite in a valley, ravine, or low region. Just remember, tents do not offer protection from lightning.
• Keep a distance from water, wet articles, and metal objects. While water and metal do not draw lightning, they are proficient conductors of electricity.

What to do in the rain on the road?

• Switch on headlights – Even during daylight hours, using headlights can enhance visibility and signal your presence to other drivers.
• While on the road – Opt for the middle lanes and remain on higher ground. Rainwater tends to gather along the road edges.
• Keep clear of puddles – Driving through puddles or low rainwater areas can cause vehicles to hydroplane or skid out of control
• Do not follow large vehicles closely – Large vehicles like trucks or buses can create a spray of water that can reduce your visibility.
• Avoid flooded areas – When encountering a flooded road, do a U-turn and head back. The strong currents from flash floods can pull drivers off roadways. Driving through deep water can also negatively affect a vehicle’s mechanical and electrical systems.

What is hydroplaning?

Hydroplaning occurs when a vehicle begins to slide uncontrollably on wet roads.

This happens when water in front of the tire builds up faster than the vehicle’s weight can push water out of the way. The water pressure then causes the vehicle to rise and slide on a thin layer of water between the tires and the road, making the driver lose control. The three main causes of hydroplaning are:

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1. Vehicle speed – When a vehicle’s speed increases, the tire-traction grip and ability to control the vehicle decreases. Drive at a reduced speed during wet weather.
2. Water depth – The deeper the water, the sooner a vehicle loses traction on the road. It doesn’t matter how deep the water is, even a thin layer can lead to hydroplaning.
3. Tire tread depth – Checking your tire tread before hitting the road is important, as low or no tread can lead to sliding.

In the event of your vehicle hydroplaning, here’s what to know:

• Ease off the accelerator – Step off the gas to slow down the vehicle until the tires find traction.
• Turn into the skid – Turning into the skid can help the vehicle’s tires realign to regain control.
• Make sure the tires reconnect with the road – During the skid, wait until the tires reconnect with the road and then gently straighten the wheels to regain control.
• Brake gently as needed – Brake normally if the vehicle has anti-lock brakes and pump brakes gently if in an older vehicle.

Source: The National Weather Service

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