Weather Trivia Page 
Supercell Thunderstorm
A severe thunderstorm whose updrafts and downdrafts are in near balance allowing the storm to maintain itself for several hours. Supercells often produce large hail and tornadoes.
What makes cars lightning-safe?
The "Skin effect" is responsible for protecting you from lightning in a car- not rubber tires.
More information.
Lightning Safety Quiz.
Phased Array Radar is being tested in Norman, OK.  This new radar system, to be used several years down the road, will greatly increase warning lead time.

See the test Phased Array Radar here.
NSSL Phased Array Radar information.
More Phased Array Radar information.
More information (PDF).
Phased_Array
Phased Array Radar