I went to Disneyland this past Wednesday with some friends just to visit before the extreme crowds would arrive on the forthcoming weekend. We wandered around a bit and wound up in front of Small World. We had no intention of arriving just in time for the light show, and we stood and watched. But when the cue for the snow passed, the snow machines turned on [unfortunately, you can hear the fans buzzing in the light towers], and the lighting came up. Yeah well, it didn't illuminate any snow, because the machines produced none.
I might've expected one machine to fail, but all of them? There had to have been at least 5 in the Small World area alone. If the crew filled up every machine with the solution at the same time one night after closing, it would make sense that they would all run out simultaneously, but the odds of that, IMO, are hightly unlikely. I own 6 fog machines, only 2 or 3 of them are the same wattage amounts. When filled up at the same time and set on timers to go off at the same intervals, they all emptied out at different times. My point is, how likely is it that they would all run out at the same time? Not a single machine produced snow in that area.
So we assumed that Main Street and NOS got some snow, and we just so happened to be in NOS during the fireworks...yet when the cue for the snow passed, no snow. The same scenario - music cue, fans turn on, no flurries. I tried to get a glimpse of one of the fluid bottles attached device on the light tower [closest to HM], and in front of one of the washes it seemed as if the bottle was about 3/4 full. I couldn't be too sure, though. But again, not a single machine produce snow.
So was it mechanical failure [doubtful because the fans spun] or simply just because they were ALL out of juice at the same time?