Monthly Archives: February 2018

Tornadoes – Introduction

A tornado is a violently rotating column of air, pendant from a cumuliform cloud or underneath a cumuliform cloud, and often (but not always) visible as a funnel cloud.

Tornadoes – Vulnerability/Risk Assessment

Damage from tornadoes has been growing - a trend that’s been driven chiefly by the increase of people and property in vulnerable areas, like the tornado belt.

What’s a watch? What’s a warning?

What’s a watch? What’s a warning? Learn the difference between a tornado watch and warning in this short video.

Severe Weather Risks

NOAA's Storm Prediction Center issues outlooks for severe weather every day. High risk outlooks are rare and indicate either a tornado outbreak or widespread damaging winds are expected.
Wedge Tornado Binger. OK 1981

A ‘wedge’ tornado in Binger OK, on 22 May 1981. ‘Wedge’ is informal storm observers’ slang for a tornado which looks wider than the distance from ground to ambient cloud base. Although many famous ‘wedge’ tornadoes have also been violent, producing EF4-EF5 damage on the Enhanced Fujita scale, a tornado’s size does not necessarily indicate anything about its strength.

How a tornado forms

Graphical representation of the wind and thunderstorm conditions that create a tornado.

Tornado Frequency 2003-2012

This intensity map represents the amount of days per year with a reported tornado between 2003 and 2012.