Too many pilots see the word "showers" and think it's just some harmless light rain event.  When, in fact, a forecast for showery...

If you read any of the NWS discussions (such as the Area Forecast Discussion), there's no doubt that the acronym MCS is tossed around...

Every once in a while you will see a pilot weather report of moderate or even severe turbulence one to two thousand feet above the ground...