ACRONYMS
Storms
Structure
Common Events
Historical
100

PWAT

What is Precipitable Water?

100

A rotating column of air, decending from a cloud or storm base.

What is a tornado?

100

The rotating cloud under the mesocyclone

What is a wall cloud?

100

A discharge of electricity from the clouds or ground.

What is lightning?

100

The amount of EF5 tornadoes in 2011.

How many was 6?

200

CAPE

What is Convective Available Potential Energy?

200

A long line of storms with severe winds that ravels over 240 miles

What is a derecho?
200

A long cloud stretching from the forward flank into the updraft.

What is an inflow tail?

200

Ice that gets cycled through an updraft and fall to the earth.

What is Hail?

200

The year Moore was hit with it's first F5.

When is 1999?

300
SRH
What is Storm Relavite Helicity?
300

A surface-based closed low with now frontal boundaries that usually takes place over the water.

What is a Hurricane/Tropical Storm?

300

The clouds typically on the edge of a squall line.

What is a shelf cloud?

300

A bright flash of light that occurs from electrical interferences, caused by high winds.

What is a power flash?

300

The year the first EF5 was rated.

When is 2007?

400

HRRR

What is the High-Resolution Rapid Refresh?

400

A storm that drops rain through warm air and suddenly hits cool air above the surface.

What is an ice storm/sleet storm/glaze storm?

400

The area of clearing behind the mesocyclone

What is the clear slot?

400

Dust being kicked up by storm outflow that bigis to spin.

What is a gustnado?

400

The day the Henryville IN tornado happened.

When was March 2, 2012?

500

ESP

What is Enhanced Stretching Potential?

500

A satorm with rapid decent of cold air and heavy rain, that spreads out at the surface.

What is a Microburst/Downburst?

500

The area of heavy precipitation and rain often ahead of and unaccosiated with the main tornadic part of the storm.

What is the FFD/Forward Flank Downdraft?

500

The cold air that wraps around the back of the meso.

 What is the RFD/Rear Flank Downdraft?

500

These are the top four years ranked by their largest outbreaks in US history.

What are 2011,1974,2023, and 2020
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