I added something about a sudden spell of dizziness to explain my bringing the experiment to its precipitate end.

What if there is a sudden cold spell (heat wave)?

A mere 1,613 people attended the Munster final as the country was gripped by a sudden cold spell.

Still more shots crashed home as the French gunners put in a sudden energetic spell.

That very morning she had been taken by a sudden spell of vomiting, and a mild nausea persisted even now.

At one point, a sudden warm spell melted the igloos the production set up to house cast and cameras.

She did so while assembling a quiver of sudden and deadly spells.

The sudden warm spell may have also shocked and awed the fish to death.

Even the best pros, overcome by a sudden dizzy spell, sometimes drop their gloves on the snow to balance themselves.

At this time, they suffered from a sudden cold spell that froze many soldiers to death.