F-scale

Since 1971 tornadoes have been classified using the Fujita scale, or F-scale.

MY EMPIRE OF DIRT Manny Howard 2010

Since 1971 tornadoes have been classified using the Fujita scale, or F-scale.

MY EMPIRE OF DIRT Manny Howard 2010

The Fujita scale or F-scale is the standard scale for measuring the severity of which weather phenomenon?

The Friday Brain-teaser from Credo Reference 2008

Since 1971 tornadoes have been classified using the Fujita scale, or F-scale.

MY EMPIRE OF DIRT Manny Howard 2010

Since 1971 tornadoes have been classified using the Fujita scale, or F-scale.

MY EMPIRE OF DIRT Manny Howard 2010

A young Tom Grazulis, working for the Nuclear Regulatory Commission, which funded creation of the F-scale databases for both the Storm Prediction Center and Fujita, was assigned to ask Fujita to change the ratings.

Storm Warning Nancy Mathis 2007

For the Super Outbreak, Fujita also produced one of his classic diagrams: a stunningly detailed map of each damage path from each of the 148 tornadoes, each with an F-scale rating.

Storm Warning Nancy Mathis 2007

MYERS: We believe from what we look at it now, probably the old F-scale between a strong Ff-2 or a light F-3, are now a new E-F or the enhance the Fujita Scale, probably somewhere in the neighborhood of an EF-3 or 4.

CNN Transcript Mar 2, 2007 2007

The idea was to use news clippings and other documents indicating the damage caused by tornadoes and assign an F-scale rating.

Storm Warning Nancy Mathis 2007

An intense tornado rolling over an open field would receive a lower F-scale rating than if the same tornado struck a housing addition.

Storm Warning Nancy Mathis 2007