Monday, December 13, 2010

If you think snowstorms are bad...

This article from USA Today gives some quick facts about the power and force of torandoes.
-First off, tornadoes are known to form in America's heartland, across ten states, including Colorado, Iowa, Ohio, and Indiana. This area is known as "Tornado Alley".
-Second, a tornado needs three things in able to form- unstable air, a lifting force, and lower to mid levels of moisture. Unstable air is needed because it will continue rising and a lifting force is needed to cause the air to being rising.
-Third, tornadoes have been known to occur in all fifty states.
-Fourth, strong tornadoes usually occur near the edge of an updraft, not far from a downdraft, where air is descending. Rain or hail occur in a downdraft so that is why the arrival of a tornado is usually announced by a downfall of rain or hail.
-Fifth, the tornadoes in Florida are considered weak, even though they have one hundred mile per hour winds. Most weak tornadoes last ten minutes or less and usually do not travel far, while violent tornadoes are known to last for hours and can travel more than one hundred miles.

And finally, tornadoes are measured in the Fujita scale (F0-F6), with six different levels.
F0-F1 tornadoes: 40-112 mph winds (weak)
F3-F4 tornadoes: 113-206 mph winds (strong)
F5-F6 tornadoes: exceeding 207 mph winds (violent)

The article can be read here:

http://www.usatoday.com/weather/resources/2006-04-03-tornado-basics_x.htm

Wednesday, December 8, 2010

Deadly Oklahoma Tornadoes

http://www.msnbc.msn.com/id/37110311/40533311

This article I read was about tornadoes that occurred last May in Oklahoma. Residents in Seminole were told by the scientists that twisters were predicted later that week. Supercomputers were able to predict up to the hour updates about the storms. The most recent line of storms may have had nineteen tornadoes throughout central Kansas and Oklahoma. The debris of this powerful line of storms include matteresses, dented appliciances, flipped cars, and broken furniture. Residents have expressed concern about water damage and the upcoming line of storms approaching.

Friday, December 3, 2010

Government website about Tornadoes

This "Tornado Guide" is from the National Severe Storms Laboratory and National Oceanic and Atmospheric Administration website. This article is about tornadoes gives a detailed description of the different types of tornadoes (weak, strong, and violent), how tornadoes form, the frequency of tornadoes, and tornado variations, such as, waterspouts. This article also has information and illustrations about how tornadoes form.  A section on myths vs. facts about tornadoes is also included in this article. Overall, this website and article do a good, detailed job on many subjects/parts of tornadoes and were very interesting to read.

http://www.nssl.noaa.gov/edu/safety/tornadoguide.html

Monday, November 22, 2010

Tornado in South Dakota

http://www.nytimes.com/2010/11/21/us/21weather.html?src=mv

This article found in the New York Times is about a recent tornado in South Dakota, this past week. This tornado destroyed homes by breaking windows and creating holes in the rooves of houses. There was even a record size piece of hail measuring about the size of a cantalope, eight inches across, and is almost two pounds. Along with the cost of a blizzard, the town has to add on the cost of damages done by the tornado. There is an estimated 112 million dollars done in damaged from the combined costs of the tornado and blizzard. This article also includes how during a past summer, there were sixty seven (67) tornadoes on the ground in one day, naming that day "Tornado Tuesday".

Thursday, November 18, 2010

Interactive Tornado Activity

This activity is found on msnbc.com under the interactive section of the weather page. This activity shows how a tornado forms in detailed and illustrated steps. The illustrations of the forming tornadoes are also animated, showing the warm air rising,  the clouds moving, and the direction the wind is blowing.

http://www.msnbc.msn.com/id/37602704/

Sunday, November 14, 2010

Tornado kills church member and destoys church

This article is about a tornado in Georgia that occured in February 2009. The historic church, the Hickory Grove Missionary Baptist Church, which is over 143 years old was destroyed by the tornado. A church member was also killed too, after being blown out of his house.
http://www.macon.com/149/story/625469.html