Guide
Lightning Policies for Sports, Schools, Golf and Outdoor Events: What Published Guidance Covers
By Weather Decision Solutions. Reviewed October 6, 2026.
A lightning policy is a written plan that says who watches the weather, when activity is suspended and people move to shelter, and when activity resumes. Guidance from the National Weather Service (NWS) and NFHS calls for suspending activity when thunder is heard or lightning is seen and waiting at least 30 minutes after the last thunder, and NFHS restarts that count for any new thunder or lightning. Triggers differ by governing body, and the rules that apply are the ones a league, association, course or employer publishes.
This page summarizes published guidance for general information. It is not safety, medical or legal advice. Follow your governing body's rules and your medical staff and qualified advisers.
What published lightning guidance covers
The National Weather Service, NATA, NFHS, the NCAA and OSHA describe the same core pieces. Policies built on that guidance typically put each one in writing before the season.
- A designated weather watcher, plus a backup. The NWS says the lightning monitor should not be the coach, umpire or referee, and should know the plan and be empowered to see it followed. The NCAA and NATA also call for a designated weather watcher.
- A way to monitor. The NWS describes checking the forecast before an event and watching the sky and listening for thunder during it. OSHA notes that detection systems can add early notice but that no system can detect the first strike or all lightning. The NCAA notes that background noise and visual obstructions can hide thunder and lightning.
- A stop trigger. NFHS says that when thunder is heard or lightning is seen, play is suspended and everyone goes to the safer place immediately. The NWS says a significant threat reaches about 6 to 10 miles from the base of a storm cloud. Where a detection network is used, the 2024 NFHS guidelines suspend play for lightning within 10 miles and say sight and sound always take precedence over any app or device. The NWS venue toolkit leaves its sample detection distances for each venue to set.
- Shelter chosen in advance. The NWS says a substantial building with wiring and plumbing gives the most protection, and a hard-topped metal vehicle with the windows closed gives good protection. It does not count dugouts, rain shelters, sheds or open picnic shelters as safe, and says a tent offers no protection. OSHA's fact sheet asks employers to identify shelters and the time everyone needs to reach them, including customers and the public. The NCAA ties the timing of a stop to how long everyone, spectators included, needs to reach shelter.
- A resume rule. The NWS, NATA, NFHS, the NCAA and OSHA all use 30 minutes. The NWS and OSHA count from the last thunder, while NFHS, NATA and the NCAA count from the last thunder or lightning. NFHS and the NCAA restart the full 30 minutes for any new thunder or lightning.
- A communication plan. The NCAA handbook describes planned instructions for participants and spectators, set warning and all-clear messages, and signs that point to shelter.
- An injury plan. The NWS says lightning victims do not carry an electrical charge and may need CPR or an AED. Policies commonly list who calls emergency services and where the nearest AEDs are.
- Training and review. NFHS and the NCAA describe reviewing the plan with staff every year, and OSHA's fact sheet recommends training workers on lightning safety.
How the published rules differ by setting
Schools and high school sports
NFHS publishes a default policy, most recently revised in October 2024, and names the state high school association and the nearest NWS office as the preferred sources for a school's own policy. A state rule can be stricter than the NFHS default.
College athletics
The NCAA Sports Medicine Handbook (26th edition, Guideline 2B) describes a designated weather watcher who is not a coach, umpire or referee, and a 30-minute wait after the last thunder or lightning that restarts with each new flash or thunder. Conferences can add their own rules.
Youth sports
We did not find one national youth rule to cite. Youth leagues set their own policies, and many draw on the NFHS default. The league, its national organization or its insurer is where the rule that applies is published.
Golf courses
Under Rule 5.7 of the Rules of Golf, a player may stop play if they reasonably believe there is danger from lightning, and must report to the Committee as soon as possible. When the Committee declares an immediate suspension, no player may make another stroke until play resumes. Course policies often describe how a suspension is announced (for example, a horn pattern) and which buildings count as shelter. The NWS does not count rain shelters or open picnic shelters as safe.
Construction and outdoor work
OSHA's fact sheet recommends adding a written lightning protocol to the emergency action plan under 29 CFR 1910.38 or 1926.35, covering what happens when thunder is heard, how workers are told, where the shelters are and how long they take to reach, and when work is suspended and resumed. It also advises against starting tasks that cannot be stopped quickly when storms are approaching.
Festivals, tournaments and venues
The NWS publishes a lightning safety toolkit for outdoor venues with a sample plan. The toolkit and the NCAA handbook both connect the timing of a stop to how long the full crowd needs to reach shelter.
Questions a lightning policy usually answers
This is an outline, not a fill-in template. The answers, including any distance or waiting time, come from the governing body's published rules and the people responsible for the venue. The examples quote the sources listed below.
- Who decides? Which role watches the weather, who backs them up, and who has the authority to suspend and restart activity. The NWS and the NCAA describe a watcher who is not a coach or official.
- How are conditions monitored? Which forecast, radar, detection or alert sources are used before and during an event, and how sight and sound fit in. NFHS guidance: sight and sound take precedence over any app or device.
- What triggers a pause? The trigger exactly as the governing body publishes it. NFHS guidance: suspend when thunder is heard or lightning is seen, or when a detection network shows lightning within 10 miles.
- Where do people go? Which buildings or vehicles serve each area, how many people they hold, and how long it takes athletes, staff and spectators to reach them. NWS guidance: dugouts, tents and open shelters do not count.
- When does activity resume? The waiting period and what restarts it. NWS guidance: wait 30 minutes after the last thunder. NFHS and the NCAA restart the count for any new thunder or lightning.
- How is it communicated? How the warning goes out (horn, public address, text or app), what the message says, who sends it, and how the restart is announced.
- What happens if someone is hurt? Who calls emergency services and where the nearest AEDs are.
- How is it documented and reviewed? What is logged for each delay (first thunder or alert, time everyone reached shelter, last thunder, restart time and who decided) and when staff review the policy each season.
Where forecasts, alerts and a meteorologist fit
A written policy sets the rules. Forecasts and alerts can support the people who make the call. With 4070 for business, WDS can send an alert when lightning is detected near a location you save, and site forecasts and daily briefings show whether storms are expected to overlap a schedule. WDS clients can also talk to a meteorologist ahead of a high-stakes event such as a stadium crowd. These tools do not replace a policy or on-site judgment. The monitoring and alerts page shows how the pieces fit together.
Published guidance keeps thunder heard or lightning seen as the trigger, and NFHS says sight and sound take precedence over any device. A quiet alert feed is not an all-clear, as the WDS monitoring page says, and OSHA's fact sheet says no system can detect the first strike. Resume decisions follow the policy's waiting period. Venue and event teams can see how sports teams and outdoor event operators use 4070.
Frequently asked questions
What does a lightning policy for sports usually include?
Guidance from the NWS, NFHS, the NCAA, NATA and OSHA describes the same core pieces: a designated weather watcher with authority, a way to monitor storms, a suspend trigger, shelters chosen in advance with travel times, a resume rule, a way to tell everyone, an injury plan and a record of each delay. The specific triggers and waiting times come from each governing body.
What is the 30-30 lightning rule?
It pairs two numbers. The older rule called for shelter when the time from a lightning flash to its thunder is 30 seconds or less (about six miles), and a 30-minute wait after the last thunder. NOAA's main message today is simpler: when thunder roars, go indoors, and stay there until 30 minutes after the last thunder.
How far away is lightning dangerous?
The NWS says a significant lightning threat reaches about 6 to 10 miles from the base of a thunderstorm cloud, and thunder can usually be heard up to about 10 miles away, so thunder within earshot means lightning is within range. OSHA's fact sheet adds that lightning can strike up to 10 miles from any rainfall.
When can play resume after lightning?
Most national guidance uses a wait of at least 30 minutes after the last thunder, and NFHS, NATA and the NCAA also count the last lightning. NFHS and the NCAA restart the full 30 minutes for any new thunder or lightning. A league or association may set a longer wait.
What are the lightning delay rules for high school and college sports?
High school rules come from each state association, with the NFHS default as the model: suspend when thunder is heard or lightning is seen, wait 30 minutes after the last thunder or lightning, and restart the count for any new event. The NCAA handbook describes a designated weather watcher and a 30-minute wait after the last thunder or lightning, restarting with each new flash or thunder. State associations and conferences can set their own policies.
What does a golf course lightning policy usually cover?
Course policies commonly cover who watches the weather, how a suspension is announced, where shelter is on the course, how golfers are told at check-in, and when play resumes. Under Rule 5.7 of the Rules of Golf a player may stop play if they reasonably believe lightning is a danger, and must report to the Committee as soon as possible.
Is there an OSHA lightning rule for construction and outdoor work?
OSHA's lightning guidance is a fact sheet of recommendations (publication 3863). It recommends that employers add a written lightning protocol to their emergency action plan under 29 CFR 1910.38 or 1926.35, and it describes staying sheltered for at least 30 minutes after the last thunder.
Sources
Sources checked October 6, 2026.
- National Weather Service, Lightning Safety and Outdoor Sports ActivitiesPlan elements, lightning monitor role, 6 to 10 mile threat distance, 30-minute wait, safe and unsafe shelter, victims carry no charge.
- National Weather Service, Safe building or vehicle nearbyDugouts, tents and picnic shelters are not safe; 30 minutes after the last thunder.
- NOAA JetStream, Lightning SafetyFlash-to-bang counting (seconds divided by five equals miles), "when thunder roars, go indoors" and the 30-minute rule.
- National Weather Service, Lightning Safety Toolkit for Outdoor Venues (PDF)Sample venue plan with a weather watcher role and placeholder detection distances.
- NFHS Sports Medicine Advisory Committee, Guidelines on Handling Practices and Contests During Lightning or Thunder Disturbances (October 2024, PDF)Suspend when thunder is heard or lightning is seen; 30-minute rule and reset; 10-mile detection radius; annual review; state association and NWS as preferred sources.
- NCAA Sports Medicine Handbook, 26th edition, Guideline 2B Lightning Safety (PDF)Designated weather watcher, chain of command, evacuation time, warning and all-clear messages, safe locations, 30 minutes after the last thunder or lightning with a restart.
- NATA position statement, lightning safety for athletics and recreation (Walsh et al., Journal of Athletic Training 2013;48(2):258-270)Citation for the position statement. Designated weather watcher and 30 minutes after the last lightning or thunder are summarized in the next source.
- NATA, news release on the lightning safety position statementDesignated weather watcher, detection services, safe locations chosen in advance, 30-minute wait.
- OSHA, Lightning Safety When Working Outdoors (fact sheet 3863, PDF)Emergency action plan protocol, shelter timing, 30 minutes after the last thunder, limits of detection systems, strikes up to 10 miles from rainfall.
- R&A, Rules of Golf, Rule 5Rule 5.7: stopping play for lightning and immediate suspension by the Committee.
Weather support for your venue
Tell us about your fields, courses or event sites. We will show how 4070 alerts and WDS meteorologists can support the people who make the call under your policy.
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