joseph r. perea, md, ltcol, cap nm wing director of safety july safety briefing lightning safety new...
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![Page 1: Joseph R. Perea, MD, LtCol, CAP NM Wing Director of Safety JULY SAFETY BRIEFING Lightning Safety New Mexico Wing Civil Air Patrol Safety Briefing July](https://reader036.vdocuments.net/reader036/viewer/2022062421/56649e105503460f94afb4d4/html5/thumbnails/1.jpg)
Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
Lightning Safety
New Mexico Wing Civil Air PatrolSafety Briefing
July 2015
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
Lightning Safety
July-August weather includes numerous thunderstorms characterized by abundant lightning bolts and strikes
Lightning kills more Americans each year than tornadoes and hurricanes.
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
2 Colorado Lightning Deaths
JULY SAFETY BRIEFING
Friday Rebecca Teilhet, 42, of Yellow Springs, Ohio, was killed and seven more hikers were injured.
One day later and a few miles away, lightning killed Gregory Cardwell, 52, of Scottsbluff, Nebraska. Three others were hurt by that strike.
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
• Videos• http://youtu.be/BIv5HQzdY9I• http://youtu.be/1Pg6JQgjKnI
Lightning Safety
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
Lightning
• Speed : 136,000 mph • Temperature: 30,000°C (54,000°F)
• Hot enough to fuse soil or sand into glass channels.
JULY SAFETY BRIEFING
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
KINDS
• Streak lightning: ionized channel visible as a single wiggly line.
• Forked lightning: appears to have branches. • Bead lightning: small sections of the channel remain bright
longer than others. • Sheet lightning: general illumination occurring inside clouds. • Heat lightning: sheet lightning seen on the horizon, too far
away for its thunder to be heard and it often looks red. • Ball lightning: rare floating ball, grapefruit to bus size
JULY SAFETY BRIEFING
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
Types of Lightning
Sheet
Streak
Ball
Ball
Bead
Forked
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
Elves 300K ft
150K ft
36K ft
Red Sprites
Blue Jets 70K ft
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
Lightning
JULY SAFETY BRIEFING
Intra-Cloud
Cloud-Cloud
Cloud-Ground
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
Lightning
JULY SAFETY BRIEFING
Intra-Cloud
Cloud-Cloud
Cloud-Ground
+ + + + + ++ + + +
- - - - - - - - -
+ + + + + +
+ + + +
- - - - - - - - - -- - -
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
Lightning Danger
• Danger exists within 10 miles of a lightning storm (Thunder can be heard over only 3-4 miles.)
• Most often involved in outside work or recreational activities
• Odds of being killed:• Earthquake 1:11 million• Tornado 1:1 million• Lightning 1:600,000
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
Lightning
JULY SAFETY BRIEFING
Intra-Cloud
Cloud-Cloud
Cloud-Ground
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
Lightning
• Speed : 136,000 mph • Temperature: 30,000°C (54,000°F)
• Hot enough to fuse soil or sand into glass channels.
JULY SAFETY BRIEFING
Barbed wire fence
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
Lightning
• Speed : 136,000 mph • Temperature: 30,000°C (54,000°F)
• Hot enough to fuse soil or sand into glass channels.
JULY SAFETY BRIEFING
NM ranks 11-20
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
Imminent Lightning Danger
• Darkening skies and wind
• If you hear thunder, you are in danger
• Look for lightning
• Hair begins to stand on end
• Buzzing noise in ears
• Drop to the ground!
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
Lightning Storm Outside – what to do?
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
• Direct -- i.e. Windows or doors, patio, decks• Electrical wiring, reception, plumbing• Concrete flooring or walls
Lightning entering a building
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
• Move to the center rooms of your home• Don’t use connected electrical equipment such as
• Toaster• Computer• Corded phone**• TV
• Don't use tub, shower• Don't use washer/dryer
Lightning Storm Inside – what to do?
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
LightningWeb resources
• http://www.weather.gov/om/brochures/ttl.pdf– Thunderstorms, Tornados, and Lightning
– U.S. DEPARTMENT OF COMMERCE
– National Oceanic and Atmospheric Administration
– National Weather Service
• http://www.lightningsafety.noaa.gov/– “When Thunder Roars, Go Indoors!
JULY SAFETY BRIEFING
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Joseph R. Perea, MD, LtCol, CAPNM Wing Director of Safety
JULY SAFETY BRIEFING
• Questions?
• Personal experiences?
Lightning Safety