SUPER OUTBREAK


The 'Super Outbreak' is the largest tornado outbreak on record. On April 3–4, 1974, there were 148 tornadoes confirmed in 13 US states and one Canadian province: Ontario, Illinois, Indiana, Michigan, Ohio, Kentucky, Tennessee, Alabama, Mississippi, Georgia, North Carolina, Virginia, West Virginia and New York. It extensively damaged approximately 900 square miles (1,440 square kilometers) along a total combined path length of 2,600 miles (4,160 km). Analysis and reconstruction of the 1974 Tornado Super Outbreak Risk Assessment Models

Contents
Storm system
Events and aftermath
List of tornadoes
Ground Zero: Xenia, Ohio
Brandenburg, Kentucky, tornado
Louisville tornado
DePauw & Madison, Indiana, tornadoes
Cincinnati/Sayler Park area tornado
Monticello, Indiana, tornado
Tanner, Alabama, tornadoes
Guin & Huntsville, Alabama, tornadoes
Windsor, Ontario, Canada tornado
See also
References
Further reading
External links

Storm system


A powerful spring-time low pressure system developed across the United States Plains on April 1. While moving into the Mississippi and Ohio Valley areas, a surge of very moist air intensified the storm further while there were sharp temperature contrasts between both sides of the system. NOAA officials were expecting a severe weather outbreak on April 3, but not of the extent which ultimately occurred. Several 'F2' and 'F3' tornadoes had struck portions of the Ohio Valley and South in a separate, earlier outbreak on April 1 and 2, and this earlier storm included three killer tornadoes in Kentucky, Alabama and Tennessee. The town of Campbellsburg, northeast of Louisville, was hard-hit in this earlier outbreak, with a large portion of the town destroyed by an 'F3'.[1] Between the two outbreaks, an additional tornado was reported in the early morning hours of April 3, in Indiana, several hours before the official start of the outbreak.
On April 3, severe weather watches were already issued from the morning from south of the Great Lakes, while in portions of the Upper Midwest, snow was reported while heavy rain fell across central Michigan and much of Ontario.
By the early afternoon, numerous supercells and clusters of thunderstorms developed and the outbreak began quickly, with storms developing in central Illinois, with a secondary zone developing near the Appalachians across eastern Tennessee, central Alabama and northern Georgia. The worst of the outbreak shifted towards the Ohio Valley between 4:30 and 6:30 PM EDT where it produced four of the six 'F5's over a span of just two hours when three powerful supercells traveled across the area - one in central and southern Ohio, a second one across southern Indiana and Ohio and a third one in northern Kentucky.
During the evening hours, activity again began to escalate farther to the south, with several violent tornadoes crossing the northern third of Alabama. Activity also spread to central Tennessee and eastern Kentucky, with numerous tornadoes, most of which were concentrated in the Cumberland Plateau region. Additional supercells developed across northern Indiana and southern Michigan producing additional violent and/or killer tornadoes between 6:00 PM and 10:00 PM EDT including the Windsor, Ontario tornado.
Activity in the south moved towards the Appalachians during the overnight hours and produced the final tornadoes across the southeast during the morning of April 4.
A 2004 survey for Risk Management Solutions, citing an earlier Dr. Ted Fujita study, found that three-quarters of all tornadoes in the Super Outbreak were produced by 30 'families' of tornadoes, i.e. multiple tornadoes spawned in succession by a single thunderstorm cell. Analysis and reconstruction of the 1974 Tornado Super Outbreak Risk Assessment Models

Events and aftermath


Super Outbreak storm system at 2100 GMT on April 3, 1974 (courtesy of NOAA)

Never before had so many violent (F5 and F4) tornadoes been observed in a single weather phenomenon. There were six 'F5' tornadoes and 24 'F4' tornadoes. The outbreak began in Morris, Illinois, at around 1 p.m. on April 3, 1974. As the storm system moved east where daytime heating had made the air more unstable, the tornadoes grew more intense. A tornado that struck near Monticello, Indiana, was an 'F4' and had a path length of 121 miles (193.6 km), the longest path length of any tornado for this outbreak. Nineteen people were killed in this tornado.[2] However, the first 'F5' tornado of the day struck the city of Xenia, Ohio, at 4:40 PM EDT. It killed 34, injured 1,150, completely destroyed about one-fourth of the city, and caused serious damage in another fourth of the city.[3]
Five more 'F5's would be observed—one each in Indiana, Ohio, and Kentucky, and two in Alabama. Twenty-eight were killed in Brandenburg, Kentucky, and 30 died in Guin, Alabama. One tornado also occurred in Windsor, Ontario, Canada, killing nine and injuring 30 others there, most of them at the former Windsor Curling Club. During the peak of the outbreak, a staggering fifteen tornadoes were on the ground simultaneously. At one point forecasters in Indiana, frustrated because they could not keep up with all of the simultaneous tornado activity, put the entire state of Indiana under a blanket tornado warning. This was the first and only time in U.S. history that an entire state was under a tornado warning. .
There were 18 hours of continuous tornadic activity. The outbreak finally ended in Caldwell County, NC, at about 7:00 A.M. on April 4, 1974. A total of 315-330 people were killed in 148 tornadoes and 5,484 were injured.
The Super Outbreak occurred at the end of a very strong, nearly record-setting La Niña event. The 1973–74 La Niña was just as strong as the 1998–99 La Niña. Another tornado outbreak, which may be linked to La Niña, was the March 12, 2006 tornado outbreak. Despite the apparent connection between La Niña and two of the largest tornado outbreaks in US history, no definitive linkage exists between La Niña and this outbreak or tornado activity in general.
Some tornado myths were soundly debunked (not necessarily for the first time) by tornado activity during the outbreak.[4]

List of tornadoes


Ground Zero: Xenia, Ohio


The Xenia Tornado was the deadliest individual tornado of the Super Outbreak. The tornado started near Bellbrook, Ohio, southwest of Xenia at about 4:30PM EDT. It initially started as a moderate-sized tornado, then intensified while moving northeast at about 50 mph (80 km/h). A passing motorist filmed the tornado at its early stages and noticed that at one point two tornadoes formed and merged into one larger tornado.
When reaching Xenia at 4:40PM, numerous structures were completely destroyed, including apartment buildings, homes, businesses, churches and schools. Several train cars were blown over as the tornado crossed a track. The hardest hit area and the first area struck was that of the Arrowhead and adjacent Windsor Park subdivisions near U.S. Route 68, where numerous houses were completely swept away. The Pinecrest Garden district was also extensively affected.
One resident recorded the tornado from inside an apartment complex. Before the tornado hit the building, the resident left the tape which continued the recording. When the cassette player was found after the storm, the tape was then made public.[5]. A few pictures were taken of the tornado (possibly frames of a film) as it was entering Xenia, and at least one photo was taken of the twister inside of Xenia. Also, this tornado was caught on film. A sixteen year-old boy captured 1 minute and 42 seconds of the infamous twister, and up close with a "Super-8" 8 mm sound-recording movie camera, as it roared through the city.
After passing through Xenia, the tornado passed through Wilberforce heavily damaging the university and several campus and residential buildings.[6] Afterwards, the tornado weakened and dissipated in Clark County near South Vienna after traveling nearly 30 miles (48 km). Its maximum width was a half mile (0.8 km) in Xenia. The same parent storm later spawned a weaker tornado northeast of Columbus in Franklin County.
Thirty-four were killed in the disaster (including two Ohio Air National Guard servicemen on April 17 in a fire that swept their temporary barracks in a furniture store) and about 1,150 were injured in Xenia alone. About half of the town or about 1,400 buildings were heavily damaged or destroyed. Damage was estimated at $400 million US. Then-US president Richard Nixon personally visited Xenia, and declared the area a disaster area. It took several months for the city to recover from the tornado with the help of the Red Cross and the Ohio National Guard which assisted the recovery efforts.[7] Most of the town was quickly rebuilt afterwards.
The Xenia tornado was rated an 'F5'. It was one of two 'F5's that affected Ohio during the outbreak, the other being in the Cincinnati area (see Cincinnati / Sayler Park area tornado, below). Xenia was again struck by an 'F4' tornado in September 2000, which killed 1 and injured about 100 in an area just north of the 1974 path.
[8].
Prior to the 1974 storm, the city had no tornado sirens. However, after the 'F5' hit, 10 sirens were installed across the area. Unfortunately, at the time of the 2000 storm, there was no battery backup in the sirens, and the system was mostly silent due to a simple power outage. Compounding the problem was the fact that the National Weather Service never issued a tornado watch or warning. By the time the tornado was visually spotted, and an attempt was made to manually activate Xenia's sirens, four of the city's five sirens had already been destroyed by the tornado. Since this particular event coincided with failures of the meteorological and warning time advances since 1974, it is remarkable that casualties weren't more severe.
[9].
A memorial was also installed near Xenia City Hall to commemorate the tornado victims.

Brandenburg, Kentucky, tornado


'Outbreak death toll'
'State''Total''County''County
total'
Alabama'77'Cullman1
Fayette2
Lawrence14
Limestone16
Madison16
Marion23
Winston5
Georgia'16'Dawson5
Gordon6
Haralson1
Murray1
Pickens1
Whitfield2
Illinois'2'Champaign1
Macon1
Indiana'47'Clark1
Decatur2
Franklin2
Fulton6
Hancock1
Harrison2
Jackson1
Jefferson10
Kosciusko1
Noble4
Perry2
Randolph1
Scott1
Steuben2
Washington1
White10
Kentucky'71'Boyle1
Clinton8
Franklin4
Hardin2
Jefferson3
Madison7
Meade31
Nelson1
Pulaski6
Rockcastle1
Simpson1
Warren2
Wayne4
Michigan'2'Hillsdale2
North Carolina'6'Cherokee4
Graham2
Ohio'42'Adams1
Greene36
Hamilton5
Ontario'9'Essex9
Tennessee'45'Bradley3
Cannon1
Fentress7
Franklin5
Knox2
Lincoln6
McMinn1
Overton3
Pickett5
Polk1
Putnam10
Warren1
Virginia'1'Washington1
West Virginia'1'Fayette1
Totals'319'
All deaths were tornado-related

The Brandenburg tornado, also producing 'F5' damage, touched down in Breckinridge County at about 4:30 PM CDT and followed a 34-mile (54 km) path that struck the town of Brandenburg near the Ohio River before dissipating in Indiana. 31 were killed in the storm including 18 at a single block of Green Street in Brandenburg.[10] The vast majority of homes and businesses including the High School, the Baptist Church, the old bank building and the Meade Hotel were either damaged or destroyed. The radio station WMMG was also destroyed.
Several tombstones in the Cap Anderson cemetery were toppled, broken and even some were displaced a small distance. Most of the trees vanished as well.
A complete description of homes and other structures destroyed in order by the tornado in Brandenburg can be found here.[11]
When the twister struck on April 3, 1974, many of the Brandenburg residents at that time had also experienced a major flood of the Ohio River that affected the area in 1937 as well as numerous other communities along the river, including Louisville and Paducah.
The same storm would later produce tornadoes in the Louisville metro area.

Louisville tornado


About an hour after the Brandendurg tornado, an 'F4' tornado formed in the southwest part of Jefferson County near Kosmosdale. Another funnel cloud formed over Standiford Field Airport, touched down at The Kentucky Fair and Exposition Center, and destroyed the majority of the horse barns at the center and part of Freedom Hall (a multipurpose arena) before it crossed Interstate 65, scattering several vehicles on that busy expressway. The tornado continued its 22-mile (35 km) journey northeast where it demolished most of Audubon Elementary School and affected the neighborhoods of Audubon, Cherokee Triangle, Cherokee-Seneca, Crescent Hill, Indian Hills, Northfield, Rolling Hills, and Tyler Park. The tornado ended near the junction of Interstates 264 and 71 after killing two people, injuring 207 people, destroying over 900 homes, and damaging thousands of others. Cherokee Park, an historic 409-acre municipal park located at Eastern Parkway and Cherokee Road, had thousands of mature trees destroyed. A massive re-planting effort was undertaken by the community in the aftermath of the tornado.
In addition to the two fatalities directly associated with the event, two other deaths were indirectly associated; a heart attack in the immediate aftermath and a construction worker who fell while repairing Freedom Hall two weeks later.
Dick Gilbert, a helicopter traffic reporter for radio station WHAS-AM, followed the tornado through portions of its track including when it damaged a water tower, and gave vivid descriptions of the damage as seen from the air. A WHAS-TV cameraman also filmed the tornado when it passed just east of the Central Business District of Louisville.
WHAS-AM broke away from its regular programming shortly before the tornado struck Louisville, and remained on the air delivering weather bulletins and updates until well into the early morning hours of April 4. As electrical power had been knocked out to a substantial portion of the city, the radio station became a clearinghouse for vital information and contact with emergency workers. Then-Governor Wendell Ford commended the station's personnel for their service to the community in the time of crisis, and Dick Gilbert later received a special commendation from then-President Richard Nixon for his tracking of the tornado from his helicopter.

DePauw & Madison, Indiana, tornadoes


The DePauw tornado was probably the least-known of the 'F5' tornadoes in the outbreak as it travelled through rural areas in southern Indiana northwest of Louisville, traversing about 65 miles (104 km) through parts of Perry and Harrison Counties. 'F5' damage was observed near the community of DePauw. Overall, six were killed by the storm and over 75 were injured. It was the only 'F5' that had a path width in excess of 1 mile (1.6 km).
Soon after the Depauw tornado lifted, the Hanover/Madison 'F4' twister formed and travelled through Jefferson County and levelled many structures in the small towns of Hanover and Madison. Eleven were killed in this storm while an additional 300 were injured. According to a WHAS-TV Louisville reporter in a special report about the outbreak, 90% of Hanover was destroyed or severely damaged, including the Hanover College campus. Despite the fact that no one was killed or seriously injured at the college, 32 of the College’s 33 buildings were damaged, including two that were completely destroyed and six that sustained major structural damage. Hundreds of trees were down, completely blocking every campus road. All utilities were knocked out and communication with those off campus was nearly impossible. Damage to the campus alone was estimated at about $10 million US.
The same storm would later strike the Cincinnati area, producing multiple tornadoes including another 'F5'.

Cincinnati/Sayler Park area tornado


The tornado was the only one of two 'F5' tornadoes in recorded history to have traveled through three states, the other being the Tri-State Tornado that pummeled Missouri, Illinois, and Indiana on March 25, 1925. The Cincinnati/Sayler Park tornado traveled through portions of Indiana, Kentucky and Ohio.
The Sayler Park tornado was among a series of tornadoes that earlier struck portions of southern Indiana from north of Brandenburg, Kentucky, to the Ohio border. It began shortly before 4:30 PM CDT or 5:30 PM EDT in southeastern Indiana in Ohio County north of Rising Sun near the Ohio River. It then traveled towards Boone County, Kentucky, before reaching its maximum strength in the western suburbs of the Cincinnati Metropolitan area. Most severely affected was Sayler Park at the western edge of the city where 'F5' damage occurred. Homes were swept away in a hilly area near a lake, and boats were thrown and destroyed. Other areas near Cincinnati also suffered extensive damage to structures. This tornado was witnessed on television by thousands of people, as WCPO aired the tornado live during special news coverage of the tornadoes.
Other areas affected were Bridgetown, Mack, Dent and Delhi. Damage in Delhi was rated as high as 'F4'.[12]
The second so-called "Tri-State" tornado killed 3 and injured over 100 in Hamilton County, Ohio. It was considered the most-photographed tornado of the outbreak.
This tornado dissipated west of White Oak but the same thunderstorm activity was responsible for two other tornado touchdowns in the Montgomery and Mason areas. The Mason tornado, which started in the northern Cincinnati subdivisions of Arlington Heights and Elmwood Place, was rated 'F4' and killed two, while the Warren County tornado was rated an 'F2' and injured 10.
The storm that spawned this family of tornadoes weakened before moving through Dayton and the previously-devastated Xenia areas.

Monticello, Indiana, tornado


This half-mile (0.8 km) wide 'F4' tornado developed (as part of a tornado family that moved from Illinois to Michigan) during the late afternoon hours. This tornado produced the longest damage path recorded during the Super Outbreak, on a SW to NE path that nearly crossed the entire state of Indiana. This tornado formed near Otterbein in Benton County in west central Indiana to Noble County just northwest of Fort Wayne - a total distance of about 121 miles (194 km). It also struck portions of six other counties with the hardest hit being White County and its town of Monticello. Much of the town was destroyed including the courthouse, some churches and cemeteries, 40 businesses and numerous homes as well as three schools. It also heavily damaged the Penn Central bridge over the Tippecanoe River. Overall damage according to the NOAA was estimated at about $250 million US with $100 million US damage in Monticello alone.
Other communities such as Rochester and Ligonier were hard hit.
19 were killed during the storm including five from Fort Wayne when their mini-bus fell 50 feet (15 m) into the Tippecanoe River near Monticello. One passenger did survive the fall.[13] Five others were killed in White County, six in Fulton County and one in Kosciusko County.[14] The National Guard had assisted the residents in the relief and cleanup efforts and then-Governor Otis Bowen visited the area days after the storm.
One of the only consolations from the tornado was that a century-old bronze bell that belonged to the Monticello Courthouse and served as timekeeper was found intact despite being thrown a great distance.[15]
The tornado itself had contradicted a long-time myth that a tornado would "not follow terrain into steep valleys" as while hitting Monticello, it descended a 60-foot (18-meter) hill near the Tippecanoe River and damaged several homes afterwards.[4]

Tanner, Alabama, tornadoes


Most of this small Alabama town located west of Huntsville in Limestone County was destroyed when two violent tornadoes struck the community 30 minutes apart. The first tornado cut a swath of over 80 miles (128 km) through several counties in northwest Alabama, continuing into south central Tennessee. The first tornado formed at 6:30 PM CDT in Franklin County, Alabama and ended just over 90 minutes later in Franklin County, Tennessee. Eyewitnesses reported that the tornado was quite large and demolished everything along its path.
While rescue efforts were underway to look for people under the destroyed structures, few were aware that another equally violent tornado would strike the area. The path of the second tornado, which formed at 7:35 PM CDT was much shorter than the first, but otherwise closely parallelled its predecessor. Many of the structures that were missed by the first tornado in Tanner were demolished along with remaining portions of already damaged structures.
Many other structures in Franklin, Limestone and Madison counties were completely demolished, including significant portions of the communities of Harvest and Hazel Green just northeast of Tanner.[17]
The death toll from the two tornadoes was over 50 and over 400 were injured. Most of the fatalities occurred in and around the Tanner area. Over 1,000 houses, 200 mobile homes and numerous other outbuildings, automobiles, power lines and trees were completely demolished or heavily damaged.
Meanwhile, in Tennessee, another (although weaker) tornado followed roughly the same path as the first Tanner tornado. Numerous killer tornadoes were reported in that state between Nashville and Knoxville including one from the same supercell in Franklin County killing at least 11.
At least the first of the Tanner tornadoes is rated as an 'F5' according to most sources. However, NWS record shows that both of them were rated the highest-scale.[14][19]
The rating of the second Tanner tornado is still disputed by scientists and some of the regional NWS offices. Nevertheless, a tornado that later struck Guin just south of the first Tanner tornado was also rated an 'F5' (See below).
This was the second state to have been hit by more than two 'F5''s during the Super Outbreak. The next occurrence of two 'F5''s hitting the same state on the same day happened in March 1990 in Kansas. Meanwhile, the next 'F5' to hit the state was on April 4, 1977 near Birmingham

Guin & Huntsville, Alabama, tornadoes


The Guin tornado was the longest-duration 'F5' tornado recorded in the outbreak. It formed at around 8:50 PM CDT near the Mississippi-Alabama border and travelled over 100 miles (160 km) to just west of Huntsville and lifted just after 10:30 PM CDT; the formation of this tornado was preceded by a number of reports of large hail and straight-line wind damage around Starkville, MS. The path of the Guin tornado was just a few dozen miles south of where the Tanner tornadoes struck about two hours earlier.
The tornado killed 23 in Guin in Marion County and another five in the community of Delmar in Winston County. Close to 300 in total were injured, and Guin was left in ruins.
A large number of homes were levelled and the Bankhead National Forest lost a considerable number of trees when the tornado hit.
Huntsville was affected shortly later by a strong F3 tornado produced by the same thunderstorm; this tornado produced heavy damage in the south end of the city, destroying nearly 1,000 structures. The tornado then reached the Monte Sano Mountain, which has an altitude of 1,640 feet (492 m).

Windsor, Ontario, Canada tornado


In addition to its numerous other records, this outbreak also spawned one of the deadliest tornadoes in Canadian history. Affecting Windsor, Ontario and surrounding areas in southwestern Essex County, the 'F3' twister killed nine people and injured over 20. Most of the fatalities occurred inside a rink (the former Windsor Curling Club) near the downtown area that was heavily damaged. Much of the city was briefly flooded with around 6 inches of water from the rain the tornado brought, and trees in Cherokee Park being defoliated with nearby houses damaged or destroyed, in a path roughly 200-300 metres wide having the most damage.
While it was the only tornado reported in Canada from the outbreak, it was the country's deadliest since 1946, when a tornado killed 17 – coincidentally, less than one mile (1.6 km) from the path of this tornado.

See also



List of tornadoes and tornado outbreaks


List of North American tornadoes and tornado outbreaks


List of Canadian tornadoes

List of tornadoes striking downtown areas

List of F5 and EF5 tornadoes

References



1. April 1, 1974 NWS Louisville
2. Data from the Storm Prediction Center archives, which are accessible through SeverePlot, free software created and maintained by John Hart, lead forecaster for the SPC.
3. Significant Tornadoes 1680-1991, , Thomas P, Grazulis, The Tornado Project of Environmental Films, July,
4. TORNADO OUTBREAK OPENED EYES ABOUT MYTHS, SCHOOL SAFETY Slattery, Pat
5. Xenia, Ohio - Tornado - April 3, 1974 Ramby, Homer
6. April 3, 1974: Xenia Tornado Ohio History
7. 30th Anniversary of the 1974 Xenia Tornado Ohio Memory On-line Scarpbook
8. Super tornado outbreak : Xenia, Ohio, serves as twister memorial Sharp, Debra
9. Few warned of twister Taylor, David
10. Our Meade County Heritage : Forward and Dedication Anonymous
11. The Overall View of The Tornado Destruction Woolfolk, Betty A.
12. Sayler Park Tornado - April 3, 1974 Horstmeyer, Steve
13. Monticello, Indiana April 3, 1974 : Fort Wayne Girl Survives Van's Plunge Anonymous
14. Storm Events NOAA
15. Monticello, Indiana April 3, 1974 : 122-year-old Bell Survives Anonymous
16. TORNADO OUTBREAK OPENED EYES ABOUT MYTHS, SCHOOL SAFETY Slattery, Pat
17. The April 3rd and 4th 1974 Tornado Outbreak in Alabama NWS Birmingham
18. Storm Events NOAA
19. F5 Tornadoes of the United States : 1950-present Storm Prediction Center


Further reading



★ ''Tornado! the 1974 super outbreak'', by Jacqueline A. Ball; consultant, Daniel H. Franck. New York: Bearport Pub., 2005. 32 pages. ISBN 1-59716-009-1 (lib. bdg), 1597160326 (paperback).

★ ''Tornado at Xenia, April 3, 1974'', by Barbara Lynn Riedel; photography by Peter Wayne Kyryl. Cleveland, OH, 1974. 95 pages. No ISBN is available. Library of Congress Control Number: 75314665.

★ ''Tornado'', by Polk Laffoon IV. New York: Harper & Row, 1975. 244 pages. ISBN 0-06-012489-X.

★ ''Tornado alley: monster storms of the Great Plains'', by Howard B. Bluestein. New York: Oxford University Press, 1999. 180 pages. ISBN 0-19-510552-4 (acid-free paper).

★ ''Delivery of mental health services in disasters: the Xenia tornado and some implications'', by Verta A. Taylor, with G. Alexander Ross and E. L. Quarantelli. Columbus, OH: Disaster Research Center, Ohio State University, 1976. 328 pages. There is no ISBN available. Library of Congress Control Number: 76380740.

★ ''The widespread tornado outbreak of April 3-4, 1974: a report to the Administrator''. Rockville, Md: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, 1974. 42 pages. There is no ISBN available. Library of Congress Control Number: 75601597.

★ ''The tornado'', by John Edward Weems. Garden City, NY: Doubleday, 1977. 180 pages. ISBN 0-385-07178-7.

Tornado: A look back at Louisville's dark day, April 3, 1974. A 30th Anniversary Publication, , William S. (editor), Butler, Butler Books, 2004, 176 pages. ISBN 1-884532-58-6

April 3, 1974: Tornado!, , Robert E., ''et al.'' (editor) with an introduction by John Ed Pearce, Deitz, The Courier-Journal and The Louisville Times, 1974, 128 pages. Library of Congress Catalog Number 74-80806

April 3, 1974: The Kentucky Tornadoes, , Ray J. with Robin Garr, Phyllis Morrisette, Jay Harris, Dave Knapp, Tom Scott, Terry Cowan, Mary Ann Woosley, Allen Hammer (editorial staff), Hartsfield, C. F. Boone, Publisher, 1974, 96 pages

★ Mark Levine, American Tornado: Devastation, Survival and the Most Violent Tornado Outbreak of the Twentieth Century (Ebury Press, London, August 2007)

External links



"WHAS Radio Covers the April 3, 1974 Tornado Disaster," excellent-quality recorded coverage of the tornado at LKYRadio.com

1974 Windsor Tornado - CBC Archives

NOAA and the 1974 Tornado Outbreak

Super Tornado Outbreak of April 3-4, 1974 (National Climatic Data Center)

April 3, 1974 Superoutbreak (NWS Indianapolis, IN)

Super Outbreak of April 3rd 1974 (NWS Northern Indiana)

The April 3rd and 4th 1974 Tornado Outbreak in Alabama (NWS Birmingham, AL)

The Super Outbreak: Outbreak of the Century (22nd Conference on Severe Local Storms, American Meteorological Society)

Potential insurance losses from a major tornado outbreak: the 1974 Super Outbreak example (22nd Conference on Severe Local Storms, American Meteorological Society)

A website dedicated to the Super Outbreak

The Weather Channel's ''Storm of the Century'' list - #2 The Super Outbreak

Super Outbreak 30th Anniversary Special (WHAS Louisville)

WHAS April 3, 1974 Live Breaking News Coverage part 1

WHAS April 3, 1974 Live Breaking News Coverage part 2

The Tornado History Project The Super Outbreak of April 3-4, 1974 overlaid on a Google Map

1974 Alabama tornado table including tornadoes from the Super Outbreak - Courtesy of NWS Birmingham, Alabama

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