Getting To The Heart Of Bonnie's Odd Behavior

While residents of North and South Carolina were retreating nervously before Bonnie's advance last week, NASA pilot Ken Broda was heading resolutely in the opposite direction. Guiding a converted U-2 spy plane to altitudes higher than hurricane-observation aircraft usually go, Broda was determined to get a look at what was happening at the storm's very crown.

What he saw was an utter surprise: perched at 55,000 ft. and a full 70 miles away from Bonnie's central eye sat a large domed cloud that Broda likened to a "mini-hurricane" swirling up from the top of the storm. In most hurricanes, wind is...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!