Types of severe storms

The atmosphere generates a number of different types of severe storms. Some examples include:

• Supercell thunderstorms
• Squall lines
• Bow Echoes
• Derechoes
• Mesoscale Convective Complexes

Derechoes

• A squall line may be labeled a Derecho if it is followed by an extended area of damaging winds.
• The derecho shown to the right produced winds greater than 100 MPH over IA and IL