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The enhanced fujita scale.

The Enhanced Fujita Scale

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

 EFO    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.

 EFS     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.


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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:Nov 1, 2008
Words:416
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