Page 13 - Ground Speed News Today : Breaking News, Live Updates & Top Stories | Vimarsana

So it's about smarter technology. >> okay. let's bring in storm chaser reed timmer. extreme meteorologist, tbn, weather.com, near the texas/oklahoma border tonight and joins me on the phone. what is going on down where you are? >> there is a tornado warning just off to our east. and we're on i-40 in west oklahoma. we just got stuck in the mud for the third day in a row. and we're back on pavement. and heading east on i-40, and hail in 2 inches in diameter. will probably get up here in about 15 minutes, and i don't think there is a confirmed tornado yet. but it does have rotation. we're just tr...

These tests? >> the fema guidelines require wind pressures for the storm come from a 250-mile-per-hour ground speed tornado and that's speed on the ground and that the typical debris generated by that storm would be a wooden 2x4 that's 15 pounds and propelled at 100 miles an hour. >> so you recreate those conditions in a lab using these commercially available buildings. do you feel like people who are marketing these -- obviously this is a public safety issue, also a business. when you are finding people marketing these, are their products good products when people market these things as safe,...

For being with us tonight. >> you're very welcome, rachel. >> you are an expert on these things and you work in this field and i do not. let me first ask you if in terms of explaining safe rooms and how they have functioned in the past and how towns rely on them, is that basically your understanding? >> safe rooms certainly will if they're tested, safe rooms will certainly protect you from these kinds of storms no doubt. >> what kind of wind speeds can structures withstand? how do you test them and what kind of failures are you looking for when you put them through these tests? >> the fema gui...

Mr. tanner, thank you very much for being with us tonight. >> you're very welcome, rachel. >> you are an expert on these things and you work in this field and i do not. let me first ask you if in terms of explaining safe rooms and how they have functioned in the past and how towns rely on them, is that basically your understanding? >> safe rooms certainly will if they're tested, safe rooms will certainly protect you from these kinds of storms no doubt. >> what kind of wind speeds can structures withstand? how do you test them and what kind of failures are you looking for when you put them thro...

heading back to washington, d.c. a day ahead of schedule. earlier he called irene a historic storm. >> i cannot stress this highly enough. if you are in the projected path of the hurricane, you have to take precautions now. don't wait. don't delay. we all hope for the best but have to be prepared for the worst. >> irene is on track to follow the northeast corridor right up to new england and beyond. cnn is there. reynold wolf is in new jersey, and athena jones is in annapolis, maryland. we will start here in the weather center with cnn meteorologist, chad meyers. chad, give us an ide...