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The Windsor Locks, Connecticut tornado struck the towns of
Windsor Windsor may refer to: Places Australia * Windsor, New South Wales ** Municipality of Windsor, a former local government area * Windsor, Queensland, a suburb of Brisbane, Queensland **Shire of Windsor, a former local government authority around Wi ...
,
Windsor Locks Windsor Locks is a town in Hartford County, Connecticut, United States. As of the 2020 census, its population was 12,613. It is the site of Bradley International Airport, which serves the Greater Hartford-Springfield region and occupies approxim ...
, and
Suffield, Connecticut Suffield is a town in Hartford County, Connecticut, United States. It was once within the boundaries of Massachusetts. The town is located in the Connecticut River Valley with the town of Enfield neighboring to the east. As of the 2020 census, ...
, and
Feeding Hills, Massachusetts Feeding Hills is a section of the city of Agawam with its own ZIP Code (01030) and post office. Line Street in Agawam is generally accepted by residents as being the unofficial border. In the early to mid-19th century, a ditch was dug here to se ...
, on Wednesday, October 3, 1979. The short-lived but intense
tornado A tornado is a violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. It is often referred to as a twister, whirlwind or cyclone, alt ...
struck without warning and caused three deaths and 500 injuries. The storm, rated F4 on the
Fujita scale The Fujita scale (F-Scale; ), or Fujita–Pearson scale (FPP scale), is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human-built structures and vegetation. The official Fujita scale category is deter ...
, also caused more than $400 million in property damage along an path, and ranks as the ninth most destructive tornado in American history.Data from the
Storm Prediction Center The Storm Prediction Center (SPC) is a US government agency that is part of the National Centers for Environmental Prediction (NCEP), operating under the control of the National Weather Service (NWS), which in turn is part of the National Oceani ...
archives, which are accessible throug
SeverePlot
free software created and maintained by John Hart, lead forecaster for the SPC.


Storm synopsis

The storm system that caused the tornado had produced severe weather, including two weak tornadoes, in eastern
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
and
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
that morning. This was an unusual setup for a significant tornado, associated with a
warm front A warm front is a density discontinuity located at the leading edge of a homogeneous warm air mass, and is typically located on the equator-facing edge of an isotherm gradient. Warm fronts lie within broader troughs of low pressure than cold f ...
near a low-pressure center. A thunderstorm cell formed south of
Long Island Long Island is a densely populated island in the southeastern region of the U.S. state of New York, part of the New York metropolitan area. With over 8 million people, Long Island is the most populous island in the United States and the 18 ...
around 10:20 am, and became a
supercell A supercell is a thunderstorm characterized by the presence of a mesocyclone: a deep, persistently rotating updraft. Due to this, these storms are sometimes referred to as rotating thunderstorms. Of the four classifications of thunderstorms ( ...
sometime later after interacting with a surface low-pressure center. It turned north as a left-moving supercell, meaning it moved left with respect to the mean atmospheric flow. Left-moving supercells are very rare, as cyclonic storms usually turn to the right of the mean flow. It is unknown whether this leftward movement was due to an atmospheric interaction or terrain-induced movement, as the storm moved straight up the
Connecticut River The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for through four states. It rises 300 yards (270 m) south of the U.S. border with Quebec, Canada, and discharges at Long Islan ...
valley. No
tornado watch A tornado watch ( SAME code: TOA) is a severe weather watch product issued by national weather forecasting agencies when meteorological conditions are favorable for the development of severe thunderstorms capable of producing tornadoes. In addit ...
es or warnings were issued before the storm struck. This was later determined to be because of missing
atmospheric sounding Atmospheric sounding or atmospheric profiling is a measurement of vertical distribution of physical properties of the atmospheric column such as pressure, temperature, wind speed and wind direction (thus deriving wind shear), liquid water content, ...
data, as well as an incorrect assessment of the height of the
tropopause The tropopause is the atmospheric boundary that demarcates the troposphere from the stratosphere; which are two of the five layers of the atmosphere of Earth. The tropopause is a thermodynamic gradient-stratification layer, that marks the end of ...
, which led to an underestimation of the strength of the thunderstorm which produced the tornado. Although a
severe thunderstorm warning A severe thunderstorm warning ( SAME code: SVR) is a severe weather warning product issued by regional offices of weather forecasting agencies throughout the world to alert the public that severe thunderstorms are imminent or occurring. A sev ...
was issued at 2:57 pm, very few people received the warnings in time. Eyewitness reports have the tornado ripping the roof off a grocery store in Wethersfield, Connecticut. Trees were uprooted in East Hartford, Connecticut. The tornado then touched down in
Poquonock, Connecticut Windsor is a town in Hartford County, Connecticut, United States, and was the first English settlement in the state. It lies on the northern border of Connecticut's capital, Hartford. The population of Windsor was 29,492 at the 2020 census. ...
, a village in the town of Windsor, just north of
Hartford Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since t ...
. Poquonock Elementary School was heavily damaged; fortunately, students were sent home early at 1:30 pm on Wednesdays. Students at a Brownie meeting were led into a hallway just before the auditorium they had been in was destroyed. The historic Poquonock Community Church building had its roof ripped off. All but one of the stained glass windows from the old church was salvaged. The tornado traveled almost due north, an unusual direction for a tornado. The most severe damage occurred along River Road, Hollow Brook Road, Pioneer Drive and Settler Circle, where large frame houses were left "in splinters". The tornado roughly followed Connecticut Route 75 just east of
Bradley International Airport Bradley International Airport is a public international airport in Windsor Locks, Connecticut, United States. Owned and operated by the Connecticut Airport Authority, it is the second-largest airport in New England. The airport is about half ...
. The airport's weather station recorded a wind gust of as the tornado passed nearby. A
United Airlines United Airlines, Inc. (commonly referred to as United), is a major American airline headquartered at the Willis Tower in Chicago, Illinois.
flight with 114 passengers was attempting to land as the tornado was passing the airport; the pilot saw the tornado and was able to abort the landing just in time. The tornado then crossed the northern portion of the airport, where the
New England Air Museum The New England Air Museum (NEAM) is an American aerospace museum located adjacent to Bradley International Airport in Windsor Locks, Connecticut. The museum consists of three display hangars with additional storage and restoration hangars. Its co ...
was located. More than 20 vintage aircraft were completely destroyed, with many more damaged. The museum's hangar was also rendered unusable. The tornado moved north into Feeding Hills before dissipating near the Westfield city line, about five miles north of the
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
state line. The tornado was accompanied by more than of rain, and several instances of
downburst In meteorology, a downburst is a strong downward and outward gushing wind system that emanates from a point source above and blows radially, that is, in straight lines in all directions from the area of impact at surface level. Capable of pro ...
winds. Damage from downburst winds was reported across the Connecticut River in
Enfield Enfield may refer to: Places Australia * Enfield, New South Wales * Enfield, South Australia ** Electoral district of Enfield, a state electoral district in South Australia, corresponding to the suburb ** Enfield High School (South Australia) ...
.


Aftermath

Because there were no tornado warnings before the storm (and it occurred in an area where tornadoes are rare), the initial damage reports claimed an explosion had damaged a roof. Soon, however, the storm's nature and impact became apparent. Governor
Ella Grasso Ella Rosa Giovianna Oliva Grasso (née Tambussi; May 10, 1919 – February 5, 1981) was an American politician and member of the Democratic Party who served as the 83rd Governor of Connecticut from January 8, 1975, to December 31, 1980, after r ...
lived just a block away from the tornado's path, though she was in Hartford at the time of the storm. She declared an 8 pm–5 am curfew in the days following the tornado. About 500 National Guardsmen were activated to prevent
looting Looting is the act of stealing, or the taking of goods by force, typically in the midst of a military, political, or other social crisis, such as war, natural disasters (where law and civil enforcement are temporarily ineffective), or rioting. ...
and direct traffic, and the area was declared a
disaster area A disaster area is a region or a locale that has been heavily damaged by either natural, technological or social hazards. Disaster areas affect the population living in the community by dramatic increase in expense, loss of energy, food and serv ...
by
President Carter James Earl Carter Jr. (born October 1, 1924) is an American politician who served as the 39th president of the United States from 1977 to 1981. A member of the Democratic Party, he previously served as the 76th governor of Georgia from 19 ...
.
FEMA trailer The term FEMA trailer, or FEMA travel trailer, is the name commonly given by the United States Government to forms of temporary manufactured housing assigned to the victims of natural disaster by the Federal Emergency Management Agency (FEMA). ...
s were provided within a few days, and were used by many residents until reconstruction or repairs could be completed. In all, at least 38 businesses were damaged or destroyed, 65 homes were completely destroyed, and at least 75 homes were damaged. Twenty-five tobacco sheds were "extensively damaged". At the airport, at least 30 vintage aircraft were damaged or destroyed, as well as most of the state's National Guard helicopters. The final damage total reached $200 million (1979
USD The United States dollar (symbol: $; code: USD; also abbreviated US$ or U.S. Dollar, to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official ...
), or $685 million in 2017 dollars. Because of the vast scope of the damage, initially Windsor town officials feared many, possibly even hundreds, of people could have been killed. While there were many serious injuries, only three people were killed by the storm. Two victims, construction workers working in a bank parking lot, took shelter in a work truck when they saw the storm approach. The first victim was killed immediately by a piece of flying lumber, the other died a few weeks later from his injuries becoming the 3rd victim. The second victim was found the next day across the street from her obliterated house. Over 400 people were hospitalized, mostly for injuries from flying glass or the victims' having been thrown by winds.


Records

The tornado was the costliest on record in the
Northeastern United States The Northeastern United States, also referred to as the Northeast, the East Coast, or the American Northeast, is a geographic region of the United States. It is located on the Atlantic coast of North America, with Canada to its north, the Southe ...
, and the 10th-costliest in US history. The three people who were killed made it the deadliest tornado in Connecticut since the
1878 Wallingford tornado The Wallingford Tornado was a violent tornado that struck the town of Wallingford, Connecticut, on Friday, August 9, 1878. The tornado, unofficially rated F4 by tornado expert Thomas P. Grazulis, destroyed most of the town, killing about 34 p ...
.
Tornado Project A tornado is a violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. It is often referred to as a twister, whirlwind or cyclone, altho ...

"Worst" Tornadoes
Retrieved on July 2, 2007.


See also

* Tornadoes of 1979 *
List of North American tornadoes and tornado outbreaks These are some notable tornadoes, tornado outbreaks, and tornado outbreak sequences that have occurred in North America. #''The listing is U.S.-centric, with greater and more consistent information available for U.S. tornadoes. Some North Americ ...
* List of Connecticut tornadoes


References


External links


More pictures from the Windsor Locks Fire DepartmentConnecticut Ravaged by Tornado
{{DEFAULTSORT:1979-10-03 Windsor Locks, Connecticut tornado F4 tornadoes by date Windsor Locks,1979-10-03 Tornadoes of 1979 Tornadoes in Connecticut 1979 in Connecticut 1979 natural disasters in the United States Windsor Locks tornado