Test 3.2 Flashcards
What is the #2 weather killer in US
Lightening
What is the most consistent and significant weather hazard that affects intercollegiate athletics
Lightening
What’s the survival rate and death rate of lightening
90% survival and 10% death
How much money is lost due to lightening each year
5 billion
What causes lightening
Precipitation is carried upward and converted to ice in clouds
Collision between ice particles causes electrical differential
What changed ice particles rise to the top of the clouds and what at particles sink to the bottom of clouds
Positive rise to the top
Negative sink to the bottom
What particle are on the groud
Positive particles
What is the upward streamer
Positive particles move up taller objects towards clouds
What is a step leader
Negative charged area in cloud sends a charge towards the ground
How hot does lightening get?
30,000 degrees
What causes thunder
Rapid expansion of heated air
What do you see first lightening or thunder and why
Lightening because light travels faster than air
Can you have thunder without lightening?
No
Do blue skies mean that lightening will not occur?
No
What’s the percent of lightening without rain
10%
You can have lightening without rain
How far away can lightening strike away from rain
10 miles
What are the different ways to detect lightening
Optical sensor method
30-30 rule
Flash to bang count
What does the 30-30 rule consist of
See lightening count until thunder
30 second or less means to seek shelter
Wait 30 mintues to rerun to activity
What does flash to bang consist of
Every 5 seconds = storm is 1 mile away
Example 30 seconds = 6 miles
What are way to detect that lightening is VERY close
Hair will stand
Skin will tingle
Light metal object will vibrate
Crackling sound may be heard
What are safe shelter during lightening
Buildings with wiring and plumbing
What should you avoid during lightening
Conducting paths to outside
Don’t use landlines phones
Don’t use plumbing to electrical items
Stay away from windows and doorways
What is the lightening safe position
Be small as possible
Basically form yourself as a rock with you squating on ball of your feet and place hands over ears
What do deaths of lightening involve
All deaths involve caradic arrest with stopped breathing
What are the secondary causes of lighting
Burns Neurological damage Drowning Structural damages Secondary electrical injury
What are the initial symptoms of lightening injury
Dizziness, headaches Tinnitus Nausea, vomitting Post-concussive sx Difficulty sleeping Seizure-like activity
What are the long term effects of lightening injury
Back pain Chronic headaches Decrease libido(sex drive), impotence Personality changes *all dx test are normal expect neurophychological test *
How can you minimize the effects of jet lag
Depart well rested Pre-adjust circadian rhythms Present watch for city of arrival Stay hydrated Avoid alcohol
