lightning rob sparks pinon prise workshop januar 26th, 2008 rob sparks pinon prise workshop januar...
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LightningLightning
Rob SparksPinon PRISE WorkshopJanuar 26th, 2008
Rob SparksPinon PRISE WorkshopJanuar 26th, 2008
Pinon PRISE WorkshopJanuary 26th, 2008
LightningLightning
Pinon PRISE WorkshopJanuary 26th, 2008
Lightning on Kitt PeakLightning on Kitt Peak
Pinon PRISE WorkshopJanuary 26th, 2008
Lightning can be dangerous
Lightning can be dangerous
Pinon PRISE WorkshopJanuary 26th, 2008
Lightning and Static Electricity
Lightning and Static Electricity
Pinon PRISE WorkshopJanuary 26th, 2008
Buildup of ChargeBuildup of Charge
Still not completely understood
Updrafts carry positive charges to top
Bottom of cloud becomes negatively charged
Still not completely understood
Updrafts carry positive charges to top
Bottom of cloud becomes negatively charged
Pinon PRISE WorkshopJanuary 26th, 2008
Buildup of ChargeBuildup of Charge
Negatively charged cloud induces charge in the ground
Charge builds up until…
Negatively charged cloud induces charge in the ground
Charge builds up until…
Pinon PRISE WorkshopJanuary 26th, 2008
Step LaddersStep Ladders
Air becomes ionized due to large electric field
Air ionizes easier in some directions than others
Pattern called step ladder forms
Air becomes ionized due to large electric field
Air ionizes easier in some directions than others
Pattern called step ladder forms
Pinon PRISE WorkshopJanuary 26th, 2008
The StrikeThe Strike
Positive “streamers” sent out from the Earth
A streamer meets a step ladder and
Boom! Usually have multiple strikes
Positive “streamers” sent out from the Earth
A streamer meets a step ladder and
Boom! Usually have multiple strikes
Pinon PRISE WorkshopJanuary 26th, 2008
Apollo 12Apollo 12
Apollo 12 was struck by lightning on liftoff
Rocket launches can stimulate lightning!
Great tool for research
Apollo 12 was struck by lightning on liftoff
Rocket launches can stimulate lightning!
Great tool for research
Pinon PRISE WorkshopJanuary 26th, 2008
Lightning on Jupiter!Lightning on Jupiter!
Pinon PRISE WorkshopJanuary 26th, 2008
By the Numbers…By the Numbers…
Up to 100,000 Amps Power of 100 terawatts Heats air to 18,000 degrees F Average bolt is 1.6 miles long, longest recorded is 190 miles long
Up to 100,000 Amps Power of 100 terawatts Heats air to 18,000 degrees F Average bolt is 1.6 miles long, longest recorded is 190 miles long
Pinon PRISE WorkshopJanuary 26th, 2008
Lightning in the United States
Lightning in the United States
Pinon PRISE WorkshopJanuary 26th, 2008
A few cool videos!A few cool videos!
http://www.ultimatechase.com/Lightning_Video.htm
http://www.metacafe.com/tags/lightning/
http://www.ultimatechase.com/Lightning_Video.htm
http://www.metacafe.com/tags/lightning/