original: INVEST or Storm 91C, was an unusual weather event of 2006.
simplifications: Storm 91C, was an unusual weather event of 2006. Storm 91C was an odd weather event in 2006. Storm 91C, was an unusual weather event of 2006. The odd weather event for 2006 was the INVEST. It was also known as Storm 91C. INVEST, or Storm 91C, was an odd weather event of 2006. Storm 91C, was an unusual weather that occur in 2006 INVEST was a strange weather event in 2006. INVEST or Storm 91C, was an odd storm in 2006. An unusual weather event of 2006 was INVEST or Storm 91C. INVEST or Storm 91C was also an unusual weather event in 2006.