The tornado caused an estimated $ 1 – 3 billion dollars in damages, killed 159 (+ 1 non-tornadic ), and injured over 1, 000 people.

A tornado is not necessarily visible ; however, the intense low pressure caused by the high wind speeds ( as described by Bernoulli's principle ) and rapid rotation ( due to cyclostrophic balance ) usually causes water vapor in the air to condense into cloud droplets due to adiabatic cooling.

It is often thought that opening windows will lessen the damage caused by the tornado.

A " Friday the 13th " storm in November 1981 brought winds up to, with other storms including the inauguration day storm of January 20, 1993, the Guadalupe Day storm of December 12, 1995 ( with winds up to at Washougal, Washington ) and small tornado on January 10, 2008, which destroyed a boathouse at Vancouver Lake and caused damage to buildings in Hazel Dell before dissolving near Hockinson.

The tornado ripped off the roof of a families house, and also caused some minor damage to the PS Pevensey.

In the Tri-Cities area, the tornado killed 4 people ( 3 in Wal-Mart & 1 in Prince George ), injured 246, and caused an estimated $ 50 million in property damage.

The tornado injured 21 and caused an estimated $ 10 million in property damage.

The most recent tornado to touchdown and cause significant damage in the county struck Dundee Township in a minor outbreak that caused several tornadoes around the southern portion of Michigan on the morning of June 6, 2010.

* Photos of the damage path caused by the 2008 Super Tuesday tornado outbreak

From 1950 to 2004, only 2 injuries have been caused by tornadoes in the county ; this occurred on March 29, 1974 when a category 1 tornado hit the county, causing between $ 5, 000 and $ 50, 000 in damages.

The damage path from this storm was measured at in length, and this tornado caused two deaths and 55 injuries, along with $ 101 million in property damage.

All told, this one tornado caused the area 19 fatalities, 350 injuries, and $ 10 million in damage that left 1000 homeless.

wind speeds 207-260 mph ) tornado away from the Towanda village center that injured 2 people and caused between $ 500, 000 and $ 5, 000, 000 in damages.

In 1942 a tornado struck Alvan and caused much destruction, killing six people.

On evening of March 2, 2012, an EF-4 tornado caused extensive damage to Henryville, killing at least 3 people.

Monticello, Indiana sustained serious damage by a tornado on April 3, 1974, part the Super Outbreak that caused death and destruction across the midwest and south.

On May 25, 2012, an EF-1 tornado caused about four blocks of significant damage, and two businesses were destroyed.

On February 28, 2012, around 9: 02 pm, an EF-2 tornado caused damage to Harveyville.

wind speeds 261-318 mph ) tornado 13. 5 miles away from the Maple Hill city center killed 16 people and injured 450 people and caused between $ 50, 000, 000 and $ 500, 000, 000 in damages.

wind speeds 207-260 mph ) tornado 8. 5 miles away from the city center injured 12 people and caused between $ 5, 000, 000 and $ 50, 000, 000 in damages.

On March 2, 2012, Salyersville was hit by a tornado which caused extensive damage to the business center and many homes.

On March 2, 2012, West Liberty was hit by an EF-3 tornado which caused extensive damage to the downtown area.

The tornado completely destroyed a mansion and caused severe damage to several other homes.

This tornado caused four deaths.

On April 7, 2006, a tornado struck the city, killing nine people and injuring 150.

On 20 May 1729, a waterspout came ashore, became a tornado, and travelled inland to Battle and Linkhill ; nine farms and properties received serious damage.

After tearing through the residential sections of town, the tornado lifted at approximately 6: 25PM after being on the ground for over nine miles.

Thirty-two people were killed in this tornado including three in Oak Grove, eleven near Rock Creek, four in Sylvan Springs, two in Wylam Heights, nine in Edgewater, two in McDonald Chapel and one in West Ensley.

The tornado is considered one of the strongest tornadoes to strike the state of Virginia in recent history and the worst to strike Hampton Roads since a tornado spawned by the remnants of Tropical Storm Dennis nine years before.

On November 7, 2006, a tornado struck the town, killing at least nine people and injuring twelve more.

The tornado resulted in nine deaths across the region.

The High School, opened in 1969 with nine teachers and 203 students, became notable on 4 November 1973, when a tornado struck the school, creating hundred of thousands of dollars worth of damage and requiring the rebuilding of much of the school.

Furthermore, DeKalb County saw the highest death toll in Alabama during a massive tornadic system in late April 2011 April 25 – 28, 2011 tornado outbreak, with 31 deaths reported in the county.

On April 27, 2011, Tuscaloosa was hit by a half-mile ( 800 m ) wide tornado that resulted in at least 41 deaths, over 1000 injuries, and massive devastation.

On April 27, 2011, Tuscaloosa was hit by a wide EF4 tornado that resulted in 64 deaths, over 1500 injuries, and massive devastation.

On the morning of February 2, 2007, a tornado touched down in the community and was blamed for at least 14 deaths.

On May 27, 2004, an F2 tornado struck the northern edge of the town, doing damage to the trees on the hillside but fortunately causing no deaths.

On April 14, 2012, a half-mile wide EF2 tornado struck Thurman causing no serious injuries or deaths.

On July 1, 2011, a tornado went through Tyler and no deaths or injuries resulted from the tornado.

Four deaths and around 40 injuries resulted from the tornado.

In December 1953, a severe tornado swept across Vicksburg causing 38 deaths and destroying nearly 1, 000 buildings.

The tornado outbreak resulted in major property damage, numerous livestock deaths, and one human fatality.

On March 2, 2012, a tornado destroyed over 80 % of the town and caused 3 deaths, as multiple tornadoes ripped through Indiana, Kentucky and Ohio.

On April 9, 1999, Blue Ash experienced an F4 tornado that caused four deaths.

Remarkably, no deaths were attributed to the tornado.

Tushka was hit by a tornado on April 14, 2011, causing damage to much of the town, including the school, and causing two deaths.

The May 3, 1999, tornado at Midwest City caused more damage but fewer deaths.

One, an EF-3 tornado, touched down in March 2011, and caused major damage and injuries, though no deaths.

No deaths were reported from either the Lancaster tornado or any other tornado that day.

The system that hit Glade Spring was part of the April 25 – 28, 2011 tornado outbreak that caused hundreds of deaths and widespread damage all across the South.

On May 22, 2011, Joplin was struck by an extremely powerful EF-5 tornado, resulting in at least 161 deaths and more than 900 injuries, along with total destruction of thousands of houses, and severe damage to numerous apartments and businesses, St. John's Medical Center, and multiple school buildings.

On August 21, 1883, a tornado struck Rochester, causing at least 37 deaths in the area and over 200 injuries.