Since April, there have been three Southwest Airlines (SWA) flights that have had serous drops in altitude that, at least as far as the media I have seen, no one seems to be tying the three together.  The first was off the Island of Kauai on April 11.  The plane was headed to the Lihue Airport. The radar shows solid thunderstorms in the area. According to news reports, in addition to the thunderstorm-caused turbulence, the flying pilot pushed the control column down and the plane dropped 400 feet. The thunderstorms are so widespread, one can question whether the plane should ever have taken off from Honolulu. It is against FAA regulations to fly into a thunderstorm , in addition to the thunderstorms appearing on the National Weather Service's radar (below), it would have clearly showed up on the pilot's own radar.  The second was under clear skies outside of Oklahoma City.  Air traffic control had to contact the SWA crew and ask them to check their altitude.  On...