Ice storms can coat objects in a layer of ice so heavy that it can cause power lines to snap, not just because of the weight, but because the ice changes their shape and makes them more brittle.
elaborate
The Coriolis effect is too weak to affect things like draining bathtubs or toilet bowls; their rotation is determined by the shape of the basin and other local factors.
elaborate
Atmospheric stability can be dramatically altered by the presence of even a relatively small amount of cloud cover, affecting the likelihood of thunderstorms.
elaborate