Mid-May 2008 tornado outbreak sequence

Mid-May 2008 tornado outbreak sequence
Mid-May 2008 tornado outbreak sequence
Velocity scan of the Picher, Oklahoma tornado located near Racine, Missouri
Date of tornado outbreak: May 7–15, 2008
Duration1: ~8 days
Maximum rated tornado2: EF4 tornado
Tornadoes caused: 147 confirmed
Damages: $250.324 million
Fatalities: 25 + 3 non-tornadic
Areas affected: Central and Southern United States

1Time from first tornado to last tornado
2Most severe tornado damage; see Enhanced Fujita Scale

The Mid-May 2008 tornado outbreak sequence is a series of tornado outbreaks that affected the Southern Plains, the southeastern and Middle Atlantic region of the United States. The storm has produced 147 confirmed tornadoes starting on May 7 and lasting until late on May 15. The outbreak sequence killed 28 people across several states (25 from tornadoes). The event occurred less than a week after a deadly tornado outbreak that principally affected the state of Arkansas and killed 7 people.


Meteorological synopsis

The thunderstorms producing tornadoes over the north-central United States on May 10

The event started in Oklahoma on May 7 as an initial low pressure crossed the southern Plains and produced tornadoes across the Oklahoma City area producing scattered damage throughout the Metro Area including in Yukon, Bethany, Warr Acres and north Oklahoma City. KOCO-TV recorded a 124 miles per hour (200 km/h) wind gust while Chief Meteorologist Rick Mitchell was reporting on the storm. Widespread tree, fence, and minor property damage was reported throughout much of the area while there was also a gas leak reported in Bethany. Tree damage was also reported just outside the KFOR and KOCO stations. Similar conditions occurred south and east of Tulsa, Oklahoma as the line of thunderstorms raced across the state and caused similar damage although a portions of a storage structure was destroyed by the force of the winds. At least five tornadoes were confirmed throughout the state but all were rated either EF0 or EF1. There were no reports of injuries during the event.[1][2][3]

Two significant tornado outbreaks affected the southeastern United States on May 8. During the morning hours, tornadoes touched down across northeastern Mississippi including one EF3 in the Tupelo, Mississippi area which heavily damaged several buildings near the Tupelo Airport.[4] Tornadoes also touched down across northwestern Alabama north and west of Birmingham and Huntsville. One particular tornado was caught on tape by a security camera at a business near Leighton in Colbert County which overturned cars at a parking lot. Another tornado crossed very near the ABC 33-40 Sky Cam in Cullman but the tornado was not seen as very strong winds stopped the video data prior to its passage. Structural damage was also reported to homes across the area.[5]

While weak tornadoes touched down north of Xenia, Ohio during the early evening hours, the second outbreak of the day produced several strong tornadoes across the western Carolinas and southwestern Virginia. A line of showers and thunderstorms moved across the Appalachians. CAPE values were at around 1500 j/kg across parts of North Carolina.[6] One tornado hit the Clemmons, North Carolina area producing EF3 damage to several homes. The same area was hit an F3 tornado on the same date in 1998. Just after 11:00 pm, another tornado from the same supercell struck the western Greensboro region, killing one person inside a truck overturned by the tornado. The storm also damaged several buildings including homes, businesses and warehouses. Two Fed-Fex planes at the Piedmont Triad International Airport were pitched off the tarmac as the storm lifted near the area.[7] Other tornadoes produced some significant damage north of the Piedmont Triad region across southern Virginia.[5][8][9]

Business destroyed east of Little Rock by an EF3 tornado on May 10, 2008(NWS Little Rock)

On May 10, a new wave of tornadoes from a second system affected portions of the southern Plains and the Lower-Mississippi Valley. Temperatures across the region reached the 80s across portions of the South with mostly upper 70s elsewhere. CAPE values were between 1000 and 2000 j/kg near the center of the low with reading over 2000 j/kg across Mississippi. Helicity levels were over 250.[10] A moderate risk of severe storms was issued for a large portions of the Mississippi Valley as well as the Eastern Plains. Severe storms began to occur across northwestern Arkansas, southeastern Kansas and eastern Oklahoma during the late afternoon hours. Tornado watches extended from eastern Oklahoma to South Carolina and north to near Kansas City.[11][12]

One violent EF4 tornado killed 15 people in Missouri and six people in northeastern Oklahoma, with one other death from an EF1 tornado also in Missouri.[13] Moderate to major damage was reported across Ottawa County, Oklahoma and Newton County, Missouri as well as in Stuttgart, Arkansas and near McAlester, Oklahoma where a tornado was caught on tape by a television crew from a helicopter. Other tornadoes were reported across Missouri, Oklahoma, Arkansas and Kansas. In the late evening, after crossing the Mississippi River, the supercells combined into a bow echo/derecho that tracked from the Memphis Metropolitan Area then across northern Mississippi, Alabama, Georgia and South Carolina, with widespread wind damage and embedded tornadoes. Two people were killed in Laurens County, Georgia and at least 85,000 customers were left without power in the Atlanta metropolitan area.[14]

Destroyed building behind an American flag near Darien, Georgia (NWS Charleston, SC)

Additional tornadoes touched down across the southeast and the eastern Ohio Valley from central Ohio to North Carolina but the bulk of the activity took place across central and southern Georgia where nearly 20 tornadoes were confirmed in that state alone. One tornado went through the city of Macon, Georgia, causing extensive damage to some buildings at Macon State College. This forced the closure of the Macon campus for repair.[15] A violent EF4 was also confirmed near Darien in McIntosh County where numerous buildings near Interstate 95 were heavily damaged or destroyed. This was the first violent tornado in Georgia since an F4 hit four counties north of Atlanta on March 27, 1994. The tornado that occurred during the Palm Sunday tornado outbreak of 1994 killed three and injured 20 over a nearly 50-mile path.[16] Georgia Governor Sonny Purdue declared a state of emergency for at least six counties across the state.[17] In addition to the tornado fatalities, one person was killed due to straight line winds in Barrow County, Georgia.[18]

A third albeit smaller outbreak affected the Deep South on May 14–15. On May 14, several weak tornadoes touched down across western and central Texas causing minor damage. On May 15, severe thunderstorms with damaging winds and tornadoes went through the Gulf South. In Grosse Tete, Louisiana. Winds from a thunderstorm knocked down a tree onto a camper, killing a man inside.[19] In Burnet County, an EF0 tornado caused significant tree damage along with minor damage to a mobile home.[20]

Reported tornadoes

147 66 50 24 5 2 0
Tornadoes by day and state of touchdown
Okla. Miss. Ala. Tenn. Oh. Va. N.C. Md. Kans. Ark. Mo. Ga. S.C. Kent. Tex. La. In. Wy. Total
May 7 6 4 10
May 8 3 8 2 3 5 4 2 2 29
May 9 1 1 2
May 10 13 2 7 3 10 3 38
May 11 1 10 19 6 3 1 40
May 13 1 1
May 14 12 12
May 15 2 2 1 10 15
Total 19 5 10 9 4 5 15 2 5 10 4 19 6 3 17 10 1 1 147

Picher/Neosho tornado

View of the funnel that would eventually become the Picher-Racine-Neosho tornado (NWS Wichita)

The deadliest tornadoes and most notable tornado of the outbreak took place from a single supercell that tracked through Ottawa County, Oklahoma, Newton County, Missouri and Barry County, Missouri in the late afternoon of May 10. 21 people were killed in the tornado - fatalities took place in Picher, Oklahoma (where 6 people were killed),[21] and Newton and Barry counties in Missouri (where 15 people were killed). One other person was killed in Jasper County, Missouri from an EF1 tornado.[13][22] Eight of the victims died inside their cars, troubling experts who say the inside of a vehicle is one of the worst places to be during a tornado.[23] This was the second deadliest tornado of the year behind the EF3 tornado that affected areas northeast of Nashville, Tennessee on February 5, 2008 and killed 22.

The tornado first touched down near the Kansas-Oklahoma border in Oklahoma southwest of Chetopa, Kansas and tracked eastward.[24] It then slammed into Picher with devastating results. 20 blocks of the town suffered extensive damage with houses and businesses destroyed or flattened. The damage in Picher was rated at EF4. At least 150 others were injured in Picher alone. The tornado continued eastward, passing just north of Quapaw and Peoria before crossing Interstate 44 into Missouri. This was the deadliest tornado in Oklahoma since the South Oklahoma City F5 tornado on May 3, 1999 which killed 36.[24][24]

Most of the fatalities in Missouri were reported near the Racine community at the intersection of Route 43 and Iris Road, northwest of Neosho, where automobiles were thrown as far as 1/2 mile (800 m) away.[25] Nearly 20 people were hospitalized in Newton County.[26] It was the deadliest single tornado in Missouri since a tornado hit the St. Louis Metro area on February 10, 1959 killing 21 and the deadliest outbreak for that state since May 4, 2003 where 19 were killed.[27][28]

The Tornado continued eastward toward Granby, MO. It passed very close to the intersection of US 60 and Route 59 aboout 3 miles west of Granby, destroying a church building and numerous homes/buildings as it passed through. The Tornado continued southeastward and crossed Route B about 1 mile south of Granby. The area surrounding Granby's cemetery and rodeo grounds took heavy damage. The tornado continued eastward toward the village of Newtonia. There were no reported storm related deaths in the area surrounding Granby, MO.

Preliminary information from the National Weather Service office in Springfield, Missouri suggest the Newton County tornado was a violent tornado.[29] The preliminary rating was EF3[30] but it was later upgraded to an EF4 according to a later survey.[25] The tornado continued into Barry County, where one person was killed in Purdy. In Barry County, several buildings were damaged including numerous houses, a church, four mobile homes and many outbuildings. The tornado lifted just southeast of McDowell.[31] Debris from the storm such as letters, bills and foam traveled as far east as the Springfield area about 80 miles (130 km) to the east of the hardest hit region in southwestern Missouri.[32]

Oklahoma Governor Brad Henry sent National Guard Troops as well as emergency personnel to assist the hardest hit area in Picher where a 20-block area suffered major damage including several destroyed structures. Damage was reported in Peoria and Quapaw. Governor Henry and as well as US Homeland Security Secretary Michael Chertoff visited the tornado-ravaged area in the following days. Chertoff told that "it looks like a small nuclear bomb went off. Federal and state officials confirmed there would be no funding for rebuilding the town. Governor Henry did however requested a federal disaster declaration for storm victims. Before the tornado hit the town, the government had planned to buy-out homes in the area which was the site of a large zinc mine.[33][34]

See also


  1. ^ Tornado Damage Information
  2. ^ 2 Confirmed Tornadoes Cause Damage In OKC Area - Oklahoma City News Story - KOCO Oklahoma City
  3. ^ Storm Prediction Center 20080507's Storm Reports
  4. ^ Suspected tornado damages Miss. mall - Weather - MSNBC.com
  5. ^ a b National Weather Service Watch Warning Advisory Summary
  6. ^ May 8, 2008 Severe Weather Event
  7. ^ http://www.myfoxwghp.com/myfox/pages/News/Detail?contentId=6500319&version=53&locale=EN-US&layoutCode=TSTY&pageId=3.1.1
  8. ^ Reported twister tears through central North Carolina Retrieved May 9th, 2007.
  9. ^ NCDC: Event Details
  10. ^ National Weather Service - Little Rock, Arkansas...Severe Weather on May 10, 2008 (Pg1)
  11. ^ Storm Prediction Center Tornado Watch 293
  12. ^ Storm Prediction Center Tornado Watch 294
  13. ^ a b http://www.spc.noaa.gov/climo/torn/fataltorn.html
  14. ^ http://www.wmgt.com//index.php?option=com_content&task=view&id=711&Itemid=103
  15. ^ http://www.13wmaz.com/news/local_story.aspx?storyid=52248
  16. ^ Tornado Database, Tornado Maps, Tornado Paths
  17. ^ Mother's Day Tornado Outbreak in Georgia - May 11, 2008
  18. ^ http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~710917
  19. ^ Violent storms spawn tornadoes in Chicago area
  20. ^ All Products by Site - NOAA's National Weather Service
  21. ^ http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20080511/us_tornadoes_080511/20080511
  22. ^ Death Toll Rises in Racine
  23. ^ Tornado deaths prove danger of staying in cars
  24. ^ a b c All Products by Site - NOAA's National Weather Service
  25. ^ a b All Products by Site - NOAA's National Weather Service
  26. ^ More than 20 dead in 3 states after storms
  27. ^ Tornado Database, Tornado Maps, Tornado Paths
  28. ^ Tornado Database, Tornado Maps, Tornado Paths
  29. ^ http://www.kansascity.com/679/story/615184.html
  30. ^ 05102008_Newton
  31. ^ 05102008_Barry
  32. ^ Storms Carry Debris to Springfield
  33. ^ Officials say no to rebuilding in tornado-ravaged Picher
  34. ^ NewsOn6.com - Tulsa, OK - News, Weather, Video and Sports - KOTV.com | Tornado Death Toll Increases In Picher

External links

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