Salespeople at Valley Storm Shelters in Huntsville say there are big differences in above-ground shelters and those installed below-ground. They say above ground shelters don’t carry some of the ...

The sky churns a sickly green, the wind howls like a freight train, and the air practically buzzes with tension. For millions ...

As for budgeting, a 4×4-foot shelter will run you about $5,300, while a bigger unit goes for about $6,300. Then there’s the question of above-ground or below-ground shelters.

Michell said his company builds above-ground storm shelters, and its most popular size is a 4-by-6-foot unit that holds eight people.

Customers said weather uncertainty is the reason they are purchasing above-ground storm shelters. They can run between $7,000 and $14,000, depending on the size.

All four above-ground shelters they documented had escaped with only minor damage, while 15 of the 19 underground shelters did. Those that had been damaged by tornadoes often had water leakage ...

Figure 304.2(2). Values are nominal three-second gust wind speeds in miles per hour at 33 feet above ground for Exposure Category C. (Multiply miles per hour by 0.477 to obtain meters per second.) ...