Answer: heatwave

AnswerCrossword Clue
HEATWAVETorrid weather
HEATWAVEWhen air-conditioners really hum
HEATWAVESweltering weather spell
HEATWAVESpell of sultry weather
HEATWAVEA big one hit Russia in summer 2010
HEATWAVEStretch in the 90's, say
HEATWAVESummer weather phenomenon
HEATWAVEDog days phenomenon
HEATWAVESummer occurrence
HEATWAVEWeather words
HEATWAVEAugust topic.
HEATWAVESummer event.
HEATWAVESweltering event
HEATWAVEWhen many fans come out
HEATWAVERun of 95-degree days
HEATWAVEHot time
HEATWAVECrop threatener
HEATWAVEStretch in the 90s, say
HEATWAVEDog days event
HEATWAVESultry stretch
HEATWAVESizzling spell
HEATWAVEStretch in the 90s, e.g.
HEATWAVESweltering period
HEATWAVESummer phenomenon