Prefrontal squall line April 5 2011 Brian Mapes for MPO 663 This Afternoon: A 50 percent chance of showers and thunderstorms. Some of the storms could produce small hail, gusty winds, and frequent lightning. Partly sunny, with a high near 86. Breezy, with a south wind around 17 mph, with gusts as high as 23 mph. O • M&R Ch5 Squall line in soundings • http://journals.ametsoc.org/doi/abs/10.1175/ 2010MWR3359.1