How did interactions between different wind systems feature in the rapid growth phase of Katrina ?

Question

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Answer 1

http://wavcis.csi.lsu.edu/forecasts/forecasts.asp?modelspec=wind

http://www.bcas.net/Env.Features/ClimateChange/2007/February2007/1%20to%2015.htm
http://www.nasa.gov/lb/mission_pages/hurricanes/archives/2006/katrina_one_year.html probibly your best source.

by me, a lot of the rapid growth has a lot to do with the global warming issue. an artical from Elizabeth Kolbert from New Yorker magazine is the best scientists in the global warming issue who is also the Author of the artical "the climate of man"http://www.newyorker.com/archive/2005/04/25/050425fa_fact3

Answer 2

Here you go -

http://daac.gsfc.nasa.gov/hurricane/HurricaneKatrina2005.shtml

Too much to copy and paste!

Katrina began as a tropical depression that developed at 5 p.m. on Aug. 23, its center just 350 miles from Miami. It rapidly strengthened into a Category 1 hurricane before hitting the Miami-Fort Lauderdale area at 7 p.m. on Aug. 25. It then used the warm Gulf water to pump up before hitting areas like New Orleans four days later.

If Katrina had another 12 or so hours in the ocean before hitting Florida, it could have been much stronger. Even hurricanes that form close to land can intensify rapidly.

The main conditions for hurricane development are warm water, moist air, low disruptive wind shear, an unstable atmosphere for thunderstorms and spinning weather systems. All those requirements are in place close to Florida.