But now, in a matter of seconds, the temperature had plunged.

The rain held off but the winds came, and the temperature plunged.

The sun dropped below the horizon and the temperature plunged another few degrees.

Then as suddenly the temperature plunged and John's aged mother went into a sharp decline.

Temperatures in the area had plunged to 30 degrees below zero overnight.

Then the temperatures plunged again and the threat abated somewhat.

And don't be too tidy on a warm spring day, if there is still danger that temperatures may plunge.

The temperature had plunged to below zero, and even the immersion suit couldn't keep out the cold.

Before they could get to side streets, the temperature plunged and melting snow became enduring ice.

And in last year's "mild" winter, temperatures plunged to 3 degrees.