Wiktionary
warm fronts
n. (warm front English)
Usage examples of "warm fronts".
He had written it in prison, pouring into it all his enthusiasm for the unseen world of air currents and temperatures, of cold and warm fronts and the global movements of great masses of the earth's atmosphere.
Listeners expect forecasts to be perfect, but they don't care about warm fronts and cold air pockets.
Competing highs and lows, butting cold and warm fronts, soaring moisture content from off the coast, and upper-level winds that were increasing to enormous speeds were all mixing and spinning and beginning to move in an easterly direction.