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- This presentation was compiled by First Army from information provided
on the following websites.
- 45th Weather Squadron Lightning Safety Website: http://www.patrick.af.mil/45og/45ws/LightningSafety/index.htm
- NOAA Lightning Safety:
- http://www.lightningsafety.noaa.gov/
- CECOM Publications (Antenna Safety, Grounding, etc.) http://www.monmouth.army.mil/cecom/safety/SYSTEM/SPUB.HTM
- Kids’ Lightning Information and Safety: http://www.azstarnet.com/anubis/zaphome.htm
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- If you can see lightning or hear thunder, activate your safety
plan. Resume activities only when
lightning and thunder have not been observed for 30 minutes.
- If you can see it (lightning), flee it;
- if you can hear it (thunder), clear it.
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- Contrary to popular belief, most lightning accidents do not come from
direct lightning strikes. There
are several ways lightning can cause injury.
- COMMUNICATIONS
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- Equipment will be grounded IAW grounding instructions contained in
applicable TMs. Remember that
soil type impacts the grounding.
- Keep away from antennas, masts, guy wires and all grounding and
lightning protection equipment, including ground rods, during electrical
storm activity. This includes
vehicles with whip antennas.
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- If mission permits, disconnect the signal inputs before the storm. Do not attempt this during the storm,
even if lightning is not nearby!
- Restrict the use of telephones, computers and other electrical
devices. Lightning could follow
the wire. Most lightning injuries
occur from using phones during electrical storms.
- Radios will not be used, nor will troops carry radios with antennas
extended.
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- No place is absolutely safe from lightning. Ideally, evacuation to a lightning
certified or lightning protected building is the best when available;
however, this will probably not be the case.
- THEN
- Large enclosed structures (substantially constructed buildings).
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- Avoid using telephone (remember the wires).
- Avoid using water–sink, tub, etc. (plumbing)
- Unplug appliances (remember the wires).
- Inner rooms the best.
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- Fully enclosed metal vehicles–car, bus, etc.
- Close windows
- Keep hands on lap
- It’s not the rubber tires that make a vehicle safe – it’s the metal
enclosure.
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- Remaining Outdoors
- Stay away from rivers, lakes or other bodies of water. Be aware of the potential for
flooding in low-lying areas.
- Stay away from natural lightning rods / tall structures such as towers,
tall trees, telephone poles/lines, tents with metal supports, etc.
- Take shelter under a small tree among several large ones, if
possible. Stay at least 6 feet
away from the tree trunk to minimize a side strike and step
voltage. NEVER stand under an
isolated tree.
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- Stay low (crouch) in a ditch or depression. Other options include a low area,
ravine or foot of a hill. DO NOT
lie flat on ground.
- Weapons should be stacked at least 50 meters away from personnel.
- Miles gear and other metal conductors should be removed.
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- Assume LSP.
- Crouch with feet as close
together as possible. Have heels
touch.
- Place hands over ears.
- - REMEMBER - DO NOT LIE FLAT ON THE
GROUND
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- Without soldiers, civilians and equipment, we can not support our
mission–protect these valuable assets.
- THINK SAFETY
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