WX 201 FINAL ACTUAL TEST SCRIPT COMPLETE QUESTIONS WITH VERIFIED SOLUTIONS

WX 201 FINAL ACTUAL TEST SCRIPT
COMPLETE QUESTIONS WITH VERIFIED
SOLUTIONS

●● 3 ingredients needed to form a thunderstorm
Answer: sustained convection, updrafts/rising motion, moisture,
instability


●● Ordinary Thunderstorm
Answer: disorganized, short lived, less common to be severe


●● Ordinary Thunderstorm lifecycle
Answer: Cumulus, mature, and dissipating phases


●● Describe how weak vertical wind shear affects the life cycle of an
ordinary thunderstorm
Answer: weak vertical wind shear leads to a short lifespan due to upright
updraft being killed off by its own precipitation


●● Entrainment
Answer: The process of drier air incorporating itself into the cloud and
inducing evaporation

, ●● Gust Front
Answer: known as an outflow bound, the downdraft rain spreading
outward that can create more storms (mini cold front)


●● Squall Line
Answer: lines of multi cell thunderstorms that can extend for hundreds
of kilometers


●● Describe the relationship between Bow Echoes and strong surface
gusts of wind
Answer: Bow Echoes cause intense downdrafts, leading to powerful
straight line winds


●● Derecho
Answer: long-lived storm that has destructive winds and fast moving
rain showers


●● Mesoscale Convective Complex
Answer: cells organized into a large circular complex, large enough to
cover an entire state, slow moving, long lifecycle, typically nocturnal


●● Supercell Thunderstorm
Answer: long lived rotating thunderstorms that can spawn tornadoes,
cause of rotation is vertical wind shear