| Keywords | thermometer barometer temperature rise rising mercury raise raising sizzling hot heat degrees degree fahrenheit celsius hotter weather heat wave warm warming warmer numbers temperatures environment global warming problem crisis emergency scorching rate message analyze analysis assess assessment boiling broiling burning melt melting burn measure measuring measurement breaking glass burst bursting max limit maximum surpass break explode exploding explosion communicate high good great communication words word text symbol illustrated illustration 3d | Caption | 9748112 - close-up of a thermometer with mercury bursting through the glass, rising past temperatures up to 100 degrees and reaching the words heat wave |