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The enhanced Fujita scale.

The Enhanced Fujita Scale

                           Wind Speed
EF-Scale     Intensity       (mph)        Typical Damage (Suggested)

EF0        Gale Tornado      40-72      Tree branches broken, chimneys
                                        damaged, shallow-rooted trees
                                        pushed over; sign boards
                                        damaged or destroyed,
                                        outbuildings and sheds
                                        destroyed.

EF1          Moderate        73-112     Roof surfaces peeled off,
                                        mobile homes pushed off
                                        foundations or overturned,
                                        moving autos pushed off the
                                        roads, garages may be
                                        destroyed.

EF2         Significant     113-157     Roofs blown off frame houses;
                                        mobile homes demolished and/or
                                        destroyed, train boxcars
                                        pushed over; large trees
                                        snapped or uprooted; airborne
                                        debris can cause damage.

EF3           Severe        158-206     Roofs and walls torn off well
                                        constructed houses; trains
                                        overturned; large trees
                                        uprooted, can knock down
                                        entire forest of trees.

EF4         Devastating     207-260     Well-constructed frame houses
                                        leveled; structures with weak
                                        foundations blown off some
                                        distance; automobiles thrown,
                                        large airborne objects can
                                        cause significant damage.

EF5         Incredible      261 -318    Brick, stone and cinder-block
                                        buildings destroyed, most
                                        debris is carried away by
                                        tornadic winds, large and
                                        heavy objects can be hurled in
                                        excess of 100 meters, trees
                                        debarked, asphalt peeled off
                                        of roads, steel reinforced
                                        concrete structures badly
                                        damaged.

EF6        Inconceivable    319-379     Brick, stone and cinderblock
                                        buildings destroyed, most
                                        debris is carried away by
                                        tornadic winds, large and
                                        heavy objects can be hurled in
                                        excess of 100 meters, trees
                                        debarked, asphalt peeled off
                                        of roads, steel reinforced
                                        concrete structures badly
                                        damaged.


[ILLUSTRATION OMITTED]

Typical EF0 Tornado tornado, dark, funnel-shaped cloud containing violently rotating air that develops below a heavy cumulonimbus cloud mass and extends toward the earth. The funnel twists about, rises and falls, and where it reaches the earth causes great destruction.  Damage Note the trees are stripped of leaves, but the trees remain standing. Only light roof damage and a few missing shingles shingles: see herpes zoster.
shingles
 or herpes zoster

Acute viral skin and nerve infection. Groups of small blisters appear along certain nerve segments, most often on the back, sometimes after a dull ache at the site; pain becomes
.

[ILLUSTRATION OMITTED]

Typical EF1 Tornado Damage Note the uprooted trees and missing shingles from the roof. There is significant roof damage.

[ILLUSTRATION OMITTED]

Typical EF2 Tornado Damage This home is missing its entire roof but the exterior walls remain intact. Some of the stronger hardwood hardwood: see wood.
hardwood

Timber obtained from broad-leaved, flower-bearing trees. Hardwood trees are deciduous trees, except in the warmest regions.
 trees remain standing.

[ILLUSTRATION OMITTED]

Typical EF3 Tornado Damage This home is missing the entire roof as well as some of the exterior walls. Trees are blown over or snapped Snapped is a true crime television series on the Oxygen Network that debuted in 2004 in the United States. It features stories of real women who killed others, mainly husbands or boyfriends.  near the base and outbuildings are destroyed.

[ILLUSTRATION OMITTED]

Typical EF4 Tornado Damage This home is almost completely obliterated, with no walls standing. The debris debris /de·bris/ (de-bre´) fragments of devitalized tissue or foreign matter. In dentistry, soft foreign material loosely attached to a tooth surface.  from the home is where the house once stood.

[ILLUSTRATION OMITTED]

Typical EF5 Tornado Damage The asphalt asphalt (ăs`fôlt, –fălt), brownish-black substance used commonly in road making, roofing, and waterproofing. Chemically, it is a natural mixture of hydrocarbons.  surface has been peeled off of this road.

[ILLUSTRATION OMITTED]

Typical EF5 Tornado Damage These homes have been completely removed from their original locations. The debris field has been scattered some distance from their foundation.

(All photographs courtesy Courtesy
Boy Scouts

youth organization, ever ready to perform good deeds. [Am. Hist.: Jameson, 59]

Castiglione, Baldassare

(1478–1529) author of The Courtier, Renaissance bible of etiquette. [Ital. Lit.
 of Brian Smith Brian Smith is the name of:
  • Brian Smith (photographer), Pulitzer Prize-winning sports and celebrity photographer from Miami Beach, Florida.
  • Brian Smith (ice hockey), a former ice hockey player and Canadian sportscaster.
, Meteorologist, National Weather Service, Valley, NE)
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Publication:Storm Data
Article Type:Report
Date:Dec 1, 2008
Words:409
Previous Article:The Saffir-Simpson scale.
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