Sunday, July 12, 2009

Live at KSC: Approaching storm explained

LIVE IMAGES: The images above are from live video feeds in the Launch Complex 39 area at Kennedy Space Center. They will automatically refresh to the most up-to-the-minute image every 30 seconds.

As thunder rumbled in the background at 6:30 p.m., U.S. Air Force Master Sgt. Scott McCormick of the 45th Space Wing Weather Squadron explained how colliding sea breezes from Florida's east and west coasts can cause severe weather at Kennedy Space Center.

McCormick appeared on a Webcast with Todd Halvorson, FLORIDA TODAY KSC bureau chief. Weather was no-go for the 7:13 p.m. launch during the interview.

"It's such a microscale type scenario we get here. With the sea breeze forming on the east coast, that kicks off a lot of thunderstorms," McCormick said.

"What happens on the east coast also happens on the west coast. The sea breezes tend to collide, depending on which way the wind is blowing. Where those two boundaries collide that's where you get your intense thunderstorms."

A similar scenario on Friday caused severe lightning that caused a 24-hour delay in Endeavour's launch.

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