1.   Boiling clouds turn daylight into night.

2.   Storms close over the lookout itself, putting us in the center of a boiling cloud with lightning streaking horizontally past the windows.

3.   The highest ozone reading would continue to come from Livermore, where ocean breezes push boiling chemical clouds from the congested Bay Area into the Livermore Valley.

4.   The only tornado I ever was in came when I saw one come uncoiled from a boiling cloud while I was plowing.