NATS 101

Lecture 27
Thunderstorms
Thunderstorm Basics
Annual Average Days
with Thunderstorms
Types of Thunderstorms
Life Cycle of Air-Mass Thunderstorm
Mature Air-Mass Thunderstorm
Dissipating Thunderstorm
Severe Thunderstorm
Severe Thunderstorm Features
Severe Thunderstorm Features
Overshooting Top
Shelf Cloud or Arcus Cloud
Roll Cloud
Severe Thunderstorm Weather
Sounding for Severe T-storm
Multicell Thunderstorm
Squall Line Formation
Squall Line Structure
Squall line propagation across the upper midwest
Old Storms Initiate New Storms
Phoenix Storm July 14, 2002
Hazards from Thunderstorms
Hail
Annual Average Days with Hail
Microbursts
Dry Microburst
Wet Microburst
Microbursts and Wind Shear
Mesoscale Convective Complexes
Heavy Flash Flooding
Do Not Enter Arroyos!
Supercell Thunderstorms
Summary: Key Concepts
Assignment for Next Lecture