Input (grade 13): A small area of convection 600 miles southeast of Rio de Janeiro was tracked into an area of relatively low shear and marginal 26 Â C waters on February 23, 2006.
Output (grade 12): A small area of convection 600 miles southeast of Rio de Janeiro moved into an area of low wind shear and barely 26 Â C warm waters on February 23, 2006.