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2. Storm cellar - Wikipedia

   en.wikipedia.org/wiki/Storm_cellar

   FEMA P-320, Taking Shelter from the Storm: Building a Safe Room for Your Home or Small Business (2014) [3] and ICC/NSSA Standard for the Design and Construction of Storm Shelters [4] provide engineering and testing requirements to ensure that above ground shelters manufactured to the published specifications will withstand winds in excess of ...

3. Tornado preparedness - Wikipedia

   en.wikipedia.org/wiki/Tornado_preparedness

   A tornado operates as a rotating, funnel-shaped cloud that extends downward from a thunderstorm, to the ground, with swirling winds which have reached 300 miles per hour (480 km/h). [2] The wind speed might be difficult to imagine: traveling the length of a U.S. football field within 1 second [ 3 ] (over 130 meters or 430 feet per second).

4. Hurricane-proof building - Wikipedia

   en.wikipedia.org/wiki/Hurricane-proof_building

   Building openings such as garage doors and windows are often weak points susceptible to failure by wind pressure and blowing debris. Once failure occurs, wind pressure builds up inside the building resulting in the roof lifting off the building. Hurricane shutters can provide protection.

5. Couple watches as storm shelter lifts out of garage during storm

   www.aol.com/news/2015-05-12-couple-watches-as...

   Storm shelter experts say if installed improperly, just a small amount of ground water under a shelter is enough to pop it loose. Ronnie and his wife live just blocks away from the path of ...

6. This map may save lives when there's a tornado threat - AOL

   www.aol.com/weather/map-may-save-lives-theres...

   However, Croskery has noted that many tornado shelters don't open until there is an active tornado warning. "Thirteen minutes is the average lead time for a tornado. That's not a lot of time to ...

7. 2013 Moore tornado - Wikipedia

   en.wikipedia.org/wiki/2013_Moore_tornado

   The tornado was over one mile (1.6 km) across at its peak width. [4]: 13 The 2013 Moore tornado followed a roughly similar track to the deadlier 1999 Bridge Creek–Moore tornado, which was rated F5; neither of the stricken schools in the area had acquired purpose-built storm shelters in the intervening years. [5]