The NRC determined that the design-basis tornado wind speeds for new reactors should correspond to the exceedance frequency of one-in-ten-million per year.

FORBES: Tornados and Nukes -- How Big Can They Get?

The Fujita scale is used to estimate the wind speed of a tornado by the damage the tornado causes.

CNN: Tornadoes Fast Facts

"Through embedded sensors, the probes can measure a tornado's wind speed and direction, barometric pressure, humidity, and temperature, " the magazine wrote.

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More than 39, 600 of those segments had sufficient information on their location, intensity, length, and width to be used in the analysis of tornado strike probabilities and maximum wind speeds.

FORBES: Tornados and Nukes -- How Big Can They Get?

With the new radar, they could actually detect wind circulations within storms that could lead to tornado formation.

CNN: STORY HIGHLIGHTS

It gives us the illusion of security, although sometimes still when the wind picks up, I get a feeling I never had before the tornado.

WSJ: Anna Quindlen on a Message Delivered by Tornado | House Call

Even the force of a hurricane, which at least has a long wind up and warning time, can't match the explosive and random fury of a tornado's touchdown and destruction.

WSJ: Review & Outlook: Path of Destruction