Take the Threat of Lightning Seriously

Be sure to enhance your school or university’s existing emergency management program with today’s advanced lightning detection solutions.

This whitepaper – done in conjunction with Campus Safety Magazine and originally published in 2016 – will help you understand just how dangerous lightning is and how you can protect everyone with the right lightning detection tools.

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TABLE OF CONTENTS

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Take the Threat of Lightning Seriously Lightning icon

With this year’s increase in U.S. lightning fatalities, schools and universities
are once again reminded that lightning is a real and present danger. Ignoring
this threat can create a significant vulnerability gap in the emergency management program on your campus.

The United States experiences on average 20 million cloud-to-ground lightning flashes per year, and while the majority of deaths occur in the Southeast,
lightning can happen in any state and on any campus. The states with the
second highest number of lightning fatalities so far in 2016 are Louisiana and
New York.

U.S. Lightning Fatalities 2006-2016 from NOAA and NWS

Additionally, lightning can strike as far as 10 miles away from a storm. There have even been reports of extreme cases where its range has been as much as 20 miles. You can’t prevent lightning, but you can adopt detection solutions to warn communities in real-time when the threat of lighting is near. Doing so will ensure your outdoor activities are optimally protected from electrical storms.

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The Many Challenges of Keeping Students Safe on Campus School Campus Icon

While it is true that organized athletic events such as football
games leave players, staff, and spectators vulnerable to severe weather, campus safety planners need to build a severe weather action plan for all campus
recreation spaces and events.

Educational campuses are increasingly difficult places to maintain safe outdoor spaces for a variety of reasons:

  • Campuses generally have large land areas with varied terrains and venues
  • Colleges and K-12 schools have many unplanned outdoor gatherings of students
  • Campus outdoor spaces are frequently used for recreation as well as organized and unorganized athletic practices
  • Schools and universities often host non-campus spectators and visitors such as family, friends and community members

 

U.S. CITIES WITH THE MOST LIGHTNING FLASHES IN 2015Lightning icon

Cities with a population of more than 500,000

  • 1. Tampa, Fl. 320 flashes per day
  • 2. Cape Coral, Fl. 281 flashes per day
  • 3. Norman, Olk. 275 flashes per day
  • 4. Houston, Tx. 254 flashes per day
  • 5. Oklahoma City, Okla. 227 flashes per day
  • 6. Hialeah, Fla. 227 flashes per day
  • 7. West Palm Beach, Fla. 219 flashes per day
  • 8. Miramar, Fla. 216 flashes per day
  • 9. Jacksonville, Fla. 215 flashes per day
  • 10. Amarillo, Tx. 210 flashes per day

 

An automated severe weather detection system can clear a campus in minutes without the need for public safety staff to travel to each area to issue manual alerts.

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NCCA Offers Best Practices on Lightning SafetyA white icon of an open book

If your college or university has an athletic program, guidelines from the
National Collegiate Athletic Association (NCAA) outline best practices on
how to protect campuses from this serious natural phenomenon. Even for
everyday outdoor activities, such as school recess, marching band practice or
pep rallies, your facility should have the ability to be alerted to the threat of
lightning.

Today’s advanced lightning detection equipment can quickly identify not
only cloud-to-ground strikes, but also in-cloud lightning activity. This extra
detection is important because although cloud-to-cloud lightning doesn’t
reach the ground, it is a precursor to ground strikes and severe weather that
pose a significant threat to human life.

animated lightning in a storm cloud

Hard-wired, direct Internet connection solutions that deliver real-time lightning data provide schools and universities the best protection. By contrast,
hand-held lightning equipment falls short when it comes to the exact location
of the last lightning strike, making it less clear when students and staff need
to head inside. Wi-Fi-enabled equipment also falls short due to connectivity
issues, which make it difficult to determine if the system is working or not.

Today’s advanced, hard-wired lighting detection systems overcome these
limitations. They even issue audio and visual notifications when lightning
strikes have been detected 10 miles away, which lets your students, faculty,
staff and visitors know about the threat.

With Earth Networks Sferic Siren — a robust lightning detection solution — the system issues an alert via horns and strobe lights, providing 360 degrees of audible and visual coverage.

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The Alert Has Been Issued. Now What? alert icon

Once an alert has been received that indicates lightning has been detected
within 10 miles, it’s important for schools and universities to respond quickly.
That means officials should immediately clear the area and instruct everyone
to take shelter (preferably in shelters that are designed and designated as
safe structures).

A person holding a cell phone showing Sferic Mobile, our mobile weather alerts, in action

Other appropriate measures include ceasing the playing of music, displaying
warning messages on scoreboards and other available electronic signage, and
making repeated verbal announcements about the threat of lightning.
The outdoor area should remain clear until 30 minutes after the last lightning strike. Then activities can resume.

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Educate Students, Teachers, and Staff person icon

It’s important to note that long before the threat of lightning arrives at your
doorstep, your campus should train everyone in the community about how to
appropriately respond to lightning detection alerts. For example, if a school or
university has installed the Earth Networks solution, students, faculty members, staff, administrators and visitors should be taught that when they hear
three horn sounds and see the strobes start flashing, they should take cover.

The National Weather Services also advises adults to teach children the
rhyme “When thunder roars, head indoors,” because if you can hear thunder,
you are close enough to be struck by lightning. This simple rhyme can also be
taught to college students.

Campuses should also address the common myths associated with
lightning:

MYTH 1

 If you are caught outside in a thunderstorm, you should seek refuge
under something taller than you, like a tree. THE TRUTH: Being under a tall tree makes you extremely vulnerable to lightning. Height, point shape and isolation are dominant factors controlling where a lightning bolt will strike.

MYTH 2

Metal objects, like umbrellas, baseball bats and bleachers attract
lightning. THE TRUTH: Metal does not attract lightning. Lightning is attracted to tall, pointy objects. It is the shape and height of the object that attracts lightning, not the material. However, metal does conduct electricity, so if metal is struck and you are touching it, your risk of electrocution is maximized.

MYTH 3

Using a mobile app is good enough to monitor lightning. THE TRUTH: An app’s ability to monitor lightning is limited by its proximity to a cell
phone tower. If multiple people are monitoring lightning, there may be differences in their readings, which could cause confusion.

MYTH 4

Lightning electrifies its victims. If you touch them, you will be electrocuted. THE TRUTH: The human body doesn’t store electricity. If someone

is struck by lightning, it is safe and encouraged to administer first aid

MYTH 5

Sometimes it’s just heat lightning. THE TRUTH: There is no such thing as heat lightning. All lightning originates from a thunderstorm. If you can see lightning but don’t hear thunder, it is simply because the storm is far away but could be moving towards you. Lightning can strike more than 10 miles from the storm. You should still take precautions.

Adopting today’s most advanced lightning detection equipment, as well
as addressing these myths and educating students, teachers, staff and visitors on how to respond to lightning will ensure your campus is optimally
protected.

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Other Weather Issues You Should Address

Schools and universities must address a whole host of other weather conditions besides lightning strikes. These include tornadoes, snow storms, wind
chill, red flag fire warnings, flooding, hurricanes, extreme heat, high winds,
microbursts, hail and more.

Does your campus use the Wet Bulb Globe Temperature (WBGT) index to
identify students’ vulnerability to heat stress? What about a winter storm
that threatens to close down the local streets and highways? Don’t you want
to know in advance if your campus needs to be closed tomorrow? And then
there is wind chill, which can affect athletes as well as others who are playing
or working outdoors and walking to school.

These are just some of the ways a campus can be affected by the weather.
A common place to start monitoring your weather issues is with National
Weather Service (NWS) forecasts. One challenge with the NWS, however, is that it generally uses data from the nearest airport, which could be 10 or 20 miles away from campus, or even further.

Hyperlocal Weather

Fortunately, there are solutions available that provide hyper-localized weather forecasts so campuses can better predict how the weather will affect them and then prepare and respond.

One such solution is the Weather Station from Earth Networks, which collects all of the localized data that a campus needs to help staff manage campus, athletic and transportation policies and activities. This information is fed into Earth Network’s Sferic Maps, a web-based weather visualization platform that allows campus personnel to monitor weather situations that could have an impact on planned activities or operations.

Combining local data with NWS data provides a more complete and accurate weather forecast so that your K-12 district or university can better prepare for whatever weather conditions it might face.

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