What is the 30-30 lightning rule?
What is the 30-30 lightning rule?
Don’t forget the 30-30 rule. After you see lightning, start counting to 30. If you hear thunder before you reach 30, go indoors. Suspend activities for at least 30 minutes after the last clap of thunder. If you are caught in an open area, act quickly to find adequate shelter.
What is the lightning rule?
The 30-30 Rule is an easy way to determine the threat of lightning in your area: 30 Seconds: Count the seconds between seeing lightning and hearing thunder. If this time is less than 30 seconds, lightning is a threat. Seek shelter immediately.
Is it an OSHA violation to work in lightning?
OSHA says that employers should recognize lightning as an occupational hazard. Workers who are exposed to significant lightning risk include those who work outdoors in open spaces, on or near tall objects, or near explosives or conductive materials (e.g., metal) and those in: Logging. Explosives handling or storage.
What is the 30-30 rule when avoiding lightning strikes?
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.
What is the OSHA rule for lightning?
Stay away from all metal objects, equipment, and surfaces that can conduct electricity. Do not shelter in sheds, pavilions, tents, or covered porches as they do not provide adequate protection from lightning. Seek fully-enclosed, substantial buildings with wiring and plumbing.
How many seconds after lightning is a mile?
5 seconds
If you count the number of seconds between the flash of lightning and the sound of thunder, and then divide by 5, you’ll get the distance in miles to the lightning: 5 seconds = 1 mile, 15 seconds = 3 miles, 0 seconds = very close. Keep in mind that you should be in a safe place while counting.
What is the safe distance from lightning?
six mile
While lightning has been recorded to strike at a distance of 10 miles, the rule of thumb used for safety is a six mile distance. Thus, seeking shelter is recommended if the lightning is six miles away or less. There are a number of lightning detectors on the market using various methods to determine lightning distance.
What is a safe working distance from lightning?
While lightning has been recorded to strike at a distance of 10 miles, the rule of thumb used for safety is a six mile distance. Thus, seeking shelter is recommended if the lightning is six miles away or less.
Can you work while lightning outside?
Lightning can travel long distances through metal, which is an excellent conductor of electricity. Stay away from all metal objects, equipment, and surfaces that can conduct electricity. Do not shelter in sheds, pavilions, tents, or covered porches as they do not provide adequate protection from lightning.
What are 5 safety tips for lightning?
Stay off corded phones, computers and other electrical equipment that put you in direct contact with electricity. Avoid plumbing, including sinks, baths and faucets. Stay away from windows and doors, and stay off porches. Do not lie on concrete floors, and do not lean against concrete walls.
How do you calculate how far away lightning is?
If you count the number of seconds between the flash of lightning and the sound of thunder, and then divide by 5, you’ll get the distance in miles to the lightning: 5 seconds = 1 mile, 15 seconds = 3 miles, 0 seconds = very close. Keep in mind that you should be in a safe place while counting.
What are the NATA guidelines for lightning safety?
1. Establish a lightning-specific emergency action plan for each venue: Promote National Weather Service lightning safety slogans such as “No Place Outside is Safe When Thunderstorms are in the Area” or “Half an Hour Since Thunder Roars, Now it’s Safe to Go Outdoors.”