One of Prestressed Casting's target areas for much of this decade has been structures designed for F-5 tornado
exposure--built with slightly enhanced precast walls and double tee roof components spanning up to 95 feet.
Illinois has always had its fair share of twisters, although they don't usually approach the ferocity of an Oklahoma F-4 or F-5 tornado
. As global warming increases the general temperature, however, scientists expect the violence of our storms to increase.
Rick Riley, vice president of transmission for Entergy, described the new facility as a "nerve center" and said it would be a "hardened" facility able to withstand an F-5 tornado
On May 3, 1999, England covered the F-5 tornado
that ripped through Oklahoma City.
had a population of 505 when the F-5 tornado
struck, killing 82 and injuring 260, thus involving 68 percent of the populous.
The steel, glass, and maple interior centers on an expansive atrium and staircase, while the entire building is constructed to withstand even the most powerful F-5 tornado
. The building's collaborative spaces--including its Flying Cow Card were designed to foster interaction.
The awesome, terrible power of tornadoes--and the importance of early warnings--was once again driven home May 5, when the town of Greensburg, Kan., was virtually wiped off the map by an F-5 tornado
, with winds in excess of 200 miles per hour and a funnel that was more than a mile wide.