Tornado outbreak sequence of December 18–20, 1957 explained

Tornado outbreak sequence of December 18–20, 1957
Type:Tornado outbreak sequence
Active:December 18–20, 1957
Tornadoes:37 confirmed
Fujitascale:F5
Tornado Duration:1 day and 14 hours
Hail:NaNlk=onNaNlk=on in diameter in Missouri on December 18
Gusts:53lk=onNaNlk=on (estimated) in Hannibal, Missouri, on December 18
Casualties:19 fatalities, 291 injuries
Damages:$15,855,000 (1957 USD)
$ (USD)
Partof:the tornado outbreaks of 1957

On December 18–20, 1957, a significant tornado outbreak sequence affected the southern Midwest and the South of the contiguous United States. The outbreak sequence began on the afternoon of December 18, when a low-pressure area approached the southern portions of Missouri and Illinois. Supercells developed and proceeded eastward at horizontal speeds of 40mi/h45mi/h, yielding what was considered the most severe tornado outbreak in Illinois on record so late in the calendar year. Total losses in the state were estimated to fall within the range of $8–$10 million.

Background

At 6:00 a.m. CST (12:00 UTC) on December 18, 1957, a vigorous shortwave trough entered the Great Plains with a cold front moving east across Oklahoma and Kansas. A dissipating stationary front over Oklahoma underwent frontolysis and later redeveloped as a warm front which extended across central Illinois. By 3:00 pm. CST (21:00 UTC), surface dew points reached the low 60s °F across portions of southeast Missouri and southern Illinois, including the St. Louis area. Although most areas were then recording overcast weather conditions, a strong upper-level jet stream helped impart synoptic-scale lifting, a factor that favors updrafts, and little vertical mixing occurred, so instability remained favorable for thunderstorm development. Additionally, very cold temperatures following a surface cyclone raised the lifted index to −6 due to high adiabatic lapse rates. Wind speeds at the middle level of the atmosphere, just under 6km (04miles) from the ground, were close to 70mi/h as well. Conditions were therefore very conducive to a large tornado outbreak on the afternoon of December 18.[1] [2] [3]

Similarly favorable conditions occurred a day later, as a warm and moist air mass spread northward from the Gulf of Mexico. In fact, temperatures in the Mississippi Valley and the upper Midwest approached record highs for December. St. Louis and Detroit, recorded afternoon highs of 57F, while Chicago measured 56F, only eight degrees lower than the local record high for December 19. Local residents and meteorologists described temperatures as being "springlike" for the time of year, even though meteorological winter was due to begin on December 23. Farther south, temperatures along the Gulf Coast reached the low 70s °F. Just as on December 18, a second tornado outbreak occurred in a broad warm sector from Arkansas to Illinois and south to Alabama.[4]

Confirmed tornadoes

Impacts by state
StateDeathsInjuriesDamageRef
Alabama0 7
Arkansas2 9
Illinois13 269
Missouri4 4
Tennessee0 2
Total19291

December 18 event

Confirmed tornadoes – Wednesday, December 18, 1957
F#LocationCounty / ParishStateStart
Time (UTC)Path length widthSummary
bgcolor=# F1WSW of TruxtonLincolnMO18:30–?0.3miles100ydBrief tornado unroofed three homes, one of which it dislodged, injuring a woman inside. Losses totaled $25,000. Tornado researcher Thomas P. Grazulis classified the tornado as an F2.
bgcolor=# F2ENE of Knob Lick to WSW of LibertyvilleSt. FrancoisMO19:50–?2.7miles33yd1 death – Tornado leveled barns and silos in its path through three farms north of Fredericktown, destroying a home and killing an infant inside. One person was injured and losses totaled $25,000. Grazulis classified the tornado as an F3.
bgcolor=# F3SE of Diamond Cross to NE of ConantRandolph, PerryIL20:40–?20.2miles33ydIntense tornado produced intermittent damage near Chester, Steeleville, Cutler, Jamestown, and Conant. Tornado affected 10 farmsteads, destroyed one home, and damaged numerous buildings. Losses totaled $25,000.
bgcolor=# F2ESE of McBridePerryMO21:00–?0.5miles50ydStrong tornado momentarily lifted, set down, and shifted an occupied elementary school, but none of the 32 students in attendance was injured. Tornado also destroyed or damaged 15–20 structures on farms, including a number of barns. Losses totaled $250,000.
bgcolor=# F3SE of Chester to NW of DenmarkRandolph, PerryIL21:15–?17.7miles33ydTornado destroyed or damaged at least 24 homes in Willisville, along with the local brick high school. Losses totaled $250,000.
bgcolor=# F2Northern RoxanaMadisonIL21:20–?1miles33ydIntense, brief tornado may have first touched down near Florissant, Missouri, before destroying or damaging nine buildings on the southern outskirts of Wood River. One person was injured and losses totaled $25,000. Grazulis classified the tornado as an F3.
bgcolor=# F1Mason CityMasonIL21:35–?0.1miles33ydBrief tornado caused minimal damage to three or four buildings. One person was injured and losses totaled $25,000.
bgcolor=# F3NNE of CutlerPerryIL21:35–?2.5miles33ydTornado destroyed or damaged six homes near the Illinois Routes 154–150 crossroads. Cars were blown off the highways and destroyed. One person was injured and losses totaled $250,000.
bgcolor=# F2NW of Boyd to SSE of DixJeffersonIL21:45–?4.5miles33ydTornado unroofed or extensively damaged eight structures. Two people were injured and losses totaled $25,000. Tornado may have dissipated near Kell.
bgcolor=# F4S of Roaches to NNE of MarlowJeffersonIL21:55–22:1016.8miles250yd1 death – See section on this tornado – 45 people were injured and losses totaled $2.5 million.
bgcolor=# F2NNW of Ava to ENE of SatoJacksonIL22:00–?5.4miles33ydTornado damaged three or four properties. Losses totaled $25,000. Grazulis did not list the event as an F2 or stronger.
bgcolor=# F3ESE of Belgique, MO to WNW of Degognia, ILRandolphIL22:15–?5.7miles33ydTornado passed near Rockwood, Illinois, flipping freight cars and damaging nearby buildings. Losses totaled $25,000. Grazulis did not list the event as an F2 or stronger.
bgcolor=# F2E of Woodlawn to ENE of Camp GroundJeffersonIL22:30–?11.6miles200ydTornado impacted the northernmost outskirts of Mount Vernon as it damaged 12 structures. Losses totaled $25,000. Grazulis classified the tornado as an F3.
bgcolor=# F5NNW of Sunfield to ESE of TamaroaPerryIL22:35–?5.4miles200yd1 death – See section on this tornado – Six people were injured.
bgcolor=# F2E of Scopus to NE of PocahontasCape GirardeauMO22:45–22:5515.8miles700ydIntense tornado passed near Millersville, Oak Ridge, and Highway 61, affecting five farmsteads, one of which lost its farmhouse and all barns. One person was injured and losses totaled $250,000. Grazulis classified the tornado as an F3.
bgcolor=# F4Gorham to PlumfieldJackson, Williamson, FranklinIL22:45–23:0528.3miles300yd11 deaths – See section on this tornado – 200 people were injured and losses totaled $7.5 million.
bgcolor=# F2N of AltenburgPerryMO23:00–?1miles10ydBrief tornado destroyed a home near Altenburg. Losses totaled $25,000. Grazulis classified the tornado as a high-end F3.
bgcolor=# F3ESE of Orchardville to Southern Clay CityWayne, ClayIL23:00–?19.6miles200ydTornado, its trajectory varying from east-northeast to northeast, destroyed or damaged structures on 20 farmsteads. One person was injured and losses totaled $500,000. Another, unconfirmed tornado may have hit the same area at 22:30 UTC.
bgcolor=# F2ChaffeeScottMO23:22–?0.5miles33yd3 deaths – One or more tornadoes, possibly paralleling each other, destroyed or unroofed a shoe factory, businesses, and homes. All fatalities occurred in a small home. At least one person—possibly three others—was injured and losses totaled $2.5 million.
bgcolor=# F2CarbondaleJacksonIL23:25–?1.5miles33ydTornado touched down near Southern Illinois University, destroying 15 trailers and damaging three other homes. Five people were injured and losses totaled $2,500. Grazulis did not list the tornado as an F2 or stronger.
bgcolor=# F3W of Ste. Marie to ESE of Willow HillJasperIL23:25–?4.5miles33ydTornado damaged four farmsteads and destroyed one or more barns in a limited area between Boos and Ste. Marie. Losses totaled $25,000.
bgcolor=# F3Southeastern DahlgrenHamiltonIL23:35–?2.5miles150ydTornado destroyed or extensively damaged several homes. Tornado may have formed from the same supercell as the Sunfield F5. Three people were injured and losses totaled $250,000.
bgcolor=# F3SW of Springerton to NW of GrayvilleHamilton, White, EdwardsIL00:00–?19.8miles33ydTornado affected 20 farmsteads, destroying four or more barns and a home. Four people were injured and losses totaled $250,000.
bgcolor=# F2FormanJohnsonIL00:00–?0.1miles33ydTornado destroyed one church and struck a school and two farms. Two tornadoes were probably involved but the event is not officially listed as such. Losses totaled $25,000.
bgcolor=# F1SE of Sidell to W of IndianolaVermilionIL00:40–?3miles60ydThis tornado was apparently heard to produce a "'roaring'" noise with minimal damage.

December 19 event

Confirmed tornadoes – Thursday, December 19, 1957
F#LocationCounty / ParishStateStart
Time (UTC)Path length widthSummary
bgcolor=# F4E of Waldo to N of StephensColumbia, OuachitaAR18:44–?17.7miles33yd2 deaths – This violent tornado produced F4 damage as it touched down at "Cotton Belt", a community between Waldo and McNeil. There, five homes were levelled and a boy killed and thrown 250yd from his home. Elsewhere, the tornado damaged five other homes. The tornado also threw and rolled a car 600yd just before dissipating, having caused nine injuries and destroyed eight buildings.
bgcolor=# F1S of MilanGibsonTN21:00–?0.1miles7ydA brief tornado destroyed four tenant homes on a farm in the Sitka community, south of Milan.
bgcolor=# F3Sherrill to SE of TuckerJeffersonAR21:40–?3.8miles100ydThis intense tornado affected two farmsteads and struck the Tucker State Prison Farm.
bgcolor=# F2SE of Golden CityDadeMO22:10–22:156.6miles100ydThis tornado intermittently damaged five farmsteads. The tornado alternately lifted and touched down, and a number of funnel clouds were reported, so more than one tornado may have been involved. Grazulis did not list this tornado as an F2 or stronger.
bgcolor=# F2WaltonvilleJeffersonIL23:50–?1miles67ydThis tornado extensively damaged one farm and caused lesser damage to a number of structures. Grazulis did not list this tornado as an F2 or stronger.
bgcolor=# F2PankeyvilleSalineIL03:00–?0.5miles100ydA tornado damaged a barn and other buildings south of Harrisburg. Grazulis did not list this tornado as an F2 or stronger.
bgcolor=# F2HumboldtGibsonTN03:15–?0.5miles10ydA hotel and the local city hall were partially or entirely unroofed. Four tenant homes, a warehouse, and a CBS-built garage were wrecked. A cotton gin and a building sustained damage, the latter of which was also shifted and twisted. Electrical wires and TV antennae were downed as well. Flying debris damaged numerous structures.
bgcolor=# F1MilanGibsonTN03:20–?0.1miles7ydThis tornado, the second to hit the Milan area on December 19, damaged roofs, windows, and antennae. Flying debris injured two people. The tornado may have originated from the same storm as the previous event.
bgcolor=# F1S of WinfieldFayetteAL04:30–?0.1miles33ydThis brief tornado destroyed a home and several outbuildings.
bgcolor=# F2LittlevilleColbertAL05:15–?0.1miles33ydThis tornado destroyed or damaged fifteen homes, seven businesses, and the local city hall. Damage neared F3-level intensity. Seven people were injured.

December 20 event

Confirmed tornadoes – Friday, December 20, 1957
F#LocationCounty / ParishStateStart
Time (UTC)Path length widthSummary
bgcolor=# F1ClantonChiltonAL08:53–?0.1miles33ydThis tornado unroofed or extensively damaged twenty to thirty-five homes, three of which were destroyed, and a cotton mill. Grazulis classified the tornado as an F2.
bgcolor=# F1E of CastleberryConecuhAL09:00–?0.8miles33ydThis tornado damaged two areas about NaNmiles apart. It destroyed two homes and one barn. Grazulis classified the tornado as an F2.

Sunfield, Illinois

1957 Sunfield tornado
Formed:December 18, 1957, 4:35 p.m. CST
Basin:atl
Winds:>261mph
Fujita-Scale:F5
Enhanced:no
Deaths:3
Injuries:6
Damages:$250,000 - $500,000 (1957 USD)

On December 18, 1957, a violent tornado struck Sunfield, Illinois, completely wiping out the community.[5] The extreme damage in Sunfield caused the National Weather Service to assign a rating of F5 on the Fujita scale.[6] [7] [8]

The east-northeastward moving tornado struck Sunfield at the junction of U.S. Route 51 and Illinois Route 154, also called the Sunfield Y or Wye on account of the branching shape of the intersection.[5] [9] The United States Weather Bureau documented "very heavy destruction", albeit in a small area, and referred to the Sunfield Y as having been "wiped out".[5] Tornado expert Thomas P. Grazulis stated that the “entire community literally vanished.” Several people survived the tornado by taking cover in buildings, including some which were destroyed.[5] A man who remained outside was killed,[5] later found in a drainage ditch by the road. In total, the tornado killed three people,[9] injured six others, and caused between $250,000 to $500,000 (1957 USD) in damage.[5] [10]

The United States Weather Bureau documented that the tornado reached a maximum width of 200yd and traveled 5miles.[5] They also documented that the tornado caused between $50,000 to $500,000 (1957 USD) in damage.[5] After the creation of the Fujita scale in 1971, the National Weather Service assigned a rating of F5 to the tornado.[11] In the 2010s, the National Centers for Environmental Information published information about the tornado, which included a path length of 5.4miles and a damage total of $250,000 (1957 USD).[10]

Mount Vernon, Illinois

Mount Vernon, Illinois
Basin:atl
Fujita-Scale:F4
Enhanced:no
Deaths:1
Injuries:45

The second deadly tornado to develop on December 18 became one of two tornadoes to strike Mount Vernon in Jefferson County, Illinois. The first tornado was the strongest and formed at 3:55 pm. CST (21:55 UTC) about 10miles west-southwest of downtown Mount Vernon, whence local police monitored its movement from patrol vehicles and disseminated reports via radio. As the tornado approached downtown Mount Vernon, it completely levelled small, "prefabricated", ranch-style homes in southwest Mount Vernon; damage in this area was later rated F4 by meteorologists, though on the low end of the category. Thereafter, the tornado weakened as it neared downtown Mount Vernon and may have even dissipated before reforming as a separate tornado to the north. It then continued on a skipping path and caused less severe damage to older homesites northeast of Mount Vernon. In Mount Vernon, the tornado damaged or destroyed about fifteen to twenty buildings, including the Block Grade School, where students left only half an hour beforehand. The funnel was described as being "swirling black clouds", filled with debris, that vanished northwest of downtown Mount Vernon. The tornado was up to 250yd wide at times.

Gorham–Sand Ridge–Murphysboro–Plumfield, Illinois

Gorham–Sand Ridge–Murphysboro–Plumfield, Illinois
Basin:atl
Fujita-Scale:F4
Enhanced:no
Deaths:11
Injuries:200

This tornado, the deadliest of the outbreak sequence, closely resembled the 1925 Tri-State tornado and affected some of the same areas that were hit in 1925, including locations in and near Gorham, Sand Ridge, Murphysboro, and De Soto. It may have touched down in eastern Missouri but was first observed at 4:45 pm. CST (some sources say 4:30 pm. CST) in Gorham, destroying or damaging forty homes there. One fatality occurred in nearby Sand Ridge. As it neared and passed through the southeast side of Murphysboro, the tornado paralleled the Big Muddy River, moving east-northeast. It produced the worst damage, which was rated F4, in this area, destroying old buildings; however, the most intense damage only affected a small section of southeast Murphysboro, where 10 of the 11 deaths occurred. Afterward, the tornado continued on to damage parts of De Soto, Hurst, and Bush. The tornado was last reported near Plumfield at 5:05 pm. CST (23:05 UTC). Murphysboro was powerless for almost three days as most utilities were in the worst-hit area. The tornado injured two hundred people along its path.

Non-tornadic effects

Severe thunderstorms in connection with the outbreak on December 18 produced hail up to NaNinches in diameter in St. Francois County, Missouri. Severe winds estimated at up to 60mi/h also affected the Hannibal area in that state, downing power lines and wires. In addition to the six known tornadoes in Missouri, unconfirmed reports of tornadoes occurred in Jefferson County, along with many reports of funnel clouds elsewhere in the state. Other unconfirmed tornadoes were reported in other states, including an alleged tornado that hit Rockville, Indiana. On December 19, a dust storm with 50mi/h wind gusts tossed three roofs onto vehicles and reduced visibility to just NaNmiles in Dallas, Texas. In addition to the three confirmed tornadoes that hit the state that day, severe winds in Tennessee, reportedly unrelated to tornado activity, destroyed farm buildings, tore off roofs, and downed trees and electrical wires; though these may have been due to tornadoes, none was confirmed. In addition to two confirmed tornadoes, unconfirmed reports of tornado damage arrived from Royalton and Elkville, Illinois; though attributed to thunderstorm winds, these damages may have been due to tornadoes. Additionally, severe thunderstorm activity on December 18–19 contributed to severe flood conditions across parts of southern Illinois and in Missouri.[12]

Aftermath and recovery

After severe weather left the Murphysboro area in Illinois, police officers, firefighters, deputies, and other assistance were called out to the worst-hit subdivisions, Country Heights and Crown View. Then-Illinois Director of Public Health Dr. Roland Cross also sent for the hard-hit Mount Vernon area. Then-Governor of Illinois William G. Stratton directed Illinois state police to the affected areas of southern Illinois and also readied the Illinois National Guard for possible deployment to the region.

See also

Sources

Notes and References

  1. Web site: Finch . Jonathan D. . Historical Tornado Cases for Saint Louis County Warning Area of Eastern Missouri and SW Illinois . November 13, 2005. December 27, 2012 . https://web.archive.org/web/20060515202732/http://bangladeshtornadoes.org/UScases/STL/discussion.html . Bangladesh Tornadoes . May 15, 2006 . live .
  2. Web site: Finch . Jonathan D. . Historical Tornado Cases for North America, 1950–1959 . Bangladesh Tornadoes . December 27, 2012 . https://web.archive.org/web/20110722100606/http://bangladeshtornadoes.org/UScases50to59.html . July 22, 2011 . live .
  3. Web site: U.S. Daily Weather Maps. NOAA Central Library. National Oceanic and Atmospheric Administration. December 11, 2019. NOAA Central Library Data Imaging Project.
  4. News: 2 Die in Arkansas in New Tornadoes. The New York Times. Associated Press. December 20, 1957. 56.
  5. . F. W. Reichelderfer (U.S. Weather Bureau) . Sinclair Weeks (Secretary of the United States Department of Commerce) . Climatological Data National Summary December 1957 . Climatological Data . 1958 . 8 . 12 . 527 . 13 September 2023 . . 13 September 2023 . https://web.archive.org/web/20230913171056/https://www.ncei.noaa.gov/pub/orders/IPS/IPS-F34FBD0F-1D12-4032-8E41-3AF6B975E0EB.pdf . dead .
  6. Web site: . F5 and EF5 Tornadoes of the United States . . . 13 September 2023 . https://web.archive.org/web/20230912012525/https://www.spc.noaa.gov/faq/tornado/f5torns.html . 12 September 2023 . live.
  7. Web site: Hausen . Nick . Digging Deeper: December 18, 1957 tornado outbreak . WSIL-TV . 13 September 2023 . 6 May 2021.
  8. Web site: Homes in Sunfield in Perry County Damaged by Thursday Afternoon Storm . 19 March 2020 . The Southern Illinosian . 13 September 2023.
  9. News: Kopshever . Kathy . December 18, 2012 . The 1957 Tornadoes: Sunfield Hard-Hit 55 Years Ago Today . . live . September 13, 2023 . https://web.archive.org/web/20230913200541/https://www.bentoneveningnews.com/article/20121218/news/701251135/ . September 13, 2023.
  10. Web site: . Illinois Event Report: F5 Tornado (Perry County) . Storm Event Database . . 13 September 2023 . https://web.archive.org/web/20230913024822/https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=10008664 . 13 September 2023 . live.
  11. Web site: Neal. Lott . Sam. McCown . Tom. Ross . 1998-1999 Tornadoes and a Long-Term U.S. Tornado Climatology . Technical Report 99-02 . . 13 September 2023 . 1–24 . August 2000.
  12. News: Tornadoes Kill 8 in Midwest Area. The New York Times. December 19, 1957. United Press. 63.