Lightning
occurs during all thunderstorms. Lightning is a result of the
buildup and discharge of positively and negatively charged areas
of electrical energy.
In the United States, an average of 300 people are injured and
80 people are killed yearly by lightning. Although most lightning
victims survive, people struck by lightning often claim a variety
of long-term, debilitating symptoms, including memory loss,
attention deficits, sleep disorders, numbness, dizziness, stiffness
in joints, irritability, fatigue, weakness, muscle spasms, depression,
and an inability to sit for long amounts of time.
The 30-30 Rule
Use the 30-30 Rule 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 still a potential threat.
Seek shelter immediately.
- 30 Minutes: After the last lightning
flash, wait 30 minutes before leaving shelter. Half of all
lightning deaths occur after the storm passes. Stay in a
safe area until you are sure that threat has passed.
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