Is it safe to walk on the beach during a thunderstorm?
If the forecast is for thunderstorms, plan your trip for another day. Remember the phrase, “When thunder roars, go indoors.” If you hear thunder while you are at the beach, find a safe, enclosed shelter, such as your car. Do NOT seek shelter under beach picnic shelters.
"If you are on the beach, chances are you're the tallest thing in the immediate area, which makes you more vulnerable to being struck directly by lightning," Jensenius told Live Science.
Whether you're swimming in a pool or the ocean, lying on the beach, or playing at a water park, you're in danger if a storm kicks up. Your best course of action is to get indoors and wait to resume water-based activities until at least 30 minutes after you've heard the last clap of thunder.
- Immediately get off elevated areas such as hills, mountain ridges, or peaks.
- Never lie flat on the ground. ...
- Never shelter under an isolated tree.
- Never use a cliff or rocky overhang for shelter.
Remember, the odds of being struck in your lifetime is 1 out of 15,300. With these tips in mind, you're good to enjoy the beach!
Because seawater is a good conductor, the remaining current penetrates hemispherically downward and fully dissipates less than 10 feet below the surface. It is believed that lethal current spreads horizontally only 20 feet from the position of strike impact.
If a thunderstorm approaches when you are swimming or near water, get out of the water and away from the beach. 9. During an electrical storm, put down your umbrella, stay away from wire fences, clotheslines, metal pipes, metal rails, and other metallic objects.
Stay away from windows and doors, and stay off porches. Do NOT lie on concrete floors or lean on concrete walls during a thunderstorm. Lightning can travel through any metal wires or bars in concrete walls or flooring. Don't use corded phones.
When You See Lightning, Count The Time Until You Hear Thunder. If That Is 30 Seconds Or Less, The Thunderstorm Is Close Enough To Be Dangerous – Seek Shelter (if you can't see the lightning, just hearing the thunder is a good back-up rule). Wait 30 Minutes Or More After The Lightning Flash Before Leaving Shelter.
Lake Maracaibo in Venezuela is the place on Earth that receives the most lightning strikes. Massive thunderstorms occur on 140-160 nights per year with an average of 28 lightning strikes per minute lasting up to 10 hours at a time. That's as many as 40,000 lightning strikes in one night!
Are cars safe in a thunderstorm?
Like trees, houses, and people, anything outside is at risk of being struck by lightning when thunderstorms are in the area, including cars. The good news though is that the outer metal shell of hard-topped metal vehicles does provide protection to those inside a vehicle with the windows closed.
Umbrellas mostly contain metal parts which are good conductors of electricity. The electric charge form thunderstorm can move into the umbrella and cause harm to the person carrying it. Therefore, it is nor safe carrying an umbrella during a thunderstorm.

- Find indoor shelter. Get inside the nearest available hard-topped vehicle or building, keeping all windows shut, and stay there for at least 30 minutes after the storm passes before returning outside. ...
- Get to low ground. Avoid hilltops and open areas. ...
- Distance yourself from tall objects.
Many scientists believe that if you can hear thunder you are close enough to the storm to be struck. So when you are sitting on the beach and you hear thunder it is time to get off the beach.
Lightning often strikes water, and water conducts electricity. That means that the currents from a lightning strike can seriously injure you. In fact, it can even kill you. This is why, when you hear thunder or see lightning, it's a good idea to avoid the pool, beach and any other large body of water.
Beach erosion occurs when waves and currents remove sand from the beach system. The loss of sand causes the beach to become narrower and lower in elevation (Figure 1). Storm waves carry the sand offshore, depositing and storing the sediment in large sandbars.
Pool activities should remain suspended until thirty minutes after the last thunder is heard. The distance from Strike A to Strike B to Strike C can be some 5-8 miles away. And it can strike much farther away.
The safest location during a thunderstorm is inside a large enclosed structure with plumbing and electrical wiring. These include shopping centers, schools, office buildings, and private residences.