Severe thunderstorm warning in place for Laurens and Union counties Sunday evening

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The NWS Greenville-Spartanburg SC released a severe thunderstorm warning at 5:59 p.m. on Sunday in effect until 6:45 p.m. for Laurens and Union counties.

The storms are anticipated to bring penny-sized hail (0.75 inches) and wind gusts of up to 60 mph.

“At 5:59 p.m., a severe thunderstorm was located 14 miles south of Union, or near Whitmire, moving southwest at 20 mph,” states the NWS. “Expect damage to trees and power lines.”

Locations impacted by the warning include Clinton, Joanna, Rose Hill State Park, Kinards and Sedalia.

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The NWS states, “For your protection move to an interior room on the lowest floor of a building.”

This warning is in effect until 6:45 p.m.

Actions to take when lightning threat is imminent

Around 25 million lightning strikes occur in the United States every year, with most taking place during the summer months. The NWS reports that these strikes result in about 20 fatalities annually. The probability of lightning strikes rises as a thunderstorm approaches and peaks when the storm is directly above. As the storm moves away, this likelihood decreases.

Here are suggestions for staying safe during a thunderstorm:

• To minimize risk of being struck by lightning, when going outside, have a plan to get to a safer place.
• If the sky turns ominous and thunder can be heard, find a secure place for shelter.
• Once inside, avoid contact with corded phones, electrical equipment, 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:

• Avoid open fields, the top of a hill, or a ridge top.
• Keep a distance from tall, solitary trees or other elevated structures. When in a forest, stay in proximity to shorter tree groupings.
• If you are in a group, disperse to prevent the current from passing between group members.
• If you are camping in an open setting, set up camp in a valley, ravine, or other low spot. Bear in mind, a tent does not protect you from lightning.
• Maintain a safe distance from water, wet items, and metal objects. Water and metal do not attract lightning, yet they conduct electricity efficiently.

What steps to follow when driving in the rain?

• Turn on your headlights – Even when it’s light outside, using headlights can improve visibility and alert other drivers to your presence.
• On the road – Drive in the middle lanes and stay on high ground. Rainwater tends to stockpile on the edges of roads.
• Steer clear of puddles – Driving into puddles or low areas of rainwater can cause vehicles to hydroplane or skid out of control.
• Maintain a safe distance from large vehicles – Trucks or buses can produce a water spray that hampers visibility.
• Avoid flooded zones – If you encounter a flooded road, make a U-turn and go back. The powerful currents of flash floods can carry drivers off the road. Driving through deep water can also damage 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. Hydroplaning is primarily caused by three factors:

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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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