释义 |
heat dome noun[ C ] environment specializeduk /ˈhiːt ˌdəʊm/ us /ˈhiːt ˌdoʊm/ a situation in which high pressure in the earth's atmosphere prevents hot air from escaping and the pressure above the mass of air makes it get hotter: A heat dome across the area made living in this part of the US feel like being in a convection oven. Parts of Europe are experiencing a weather phenomenon called a "heat dome" that is causing sweltering conditions. High heat and humidity blanketed many states in the southern and midwestern US when a heat dome descended. According to one theory, higher temperatures in the Arctic are causing the jet stream to slow, increasing the likelihood of heat domes. High pressure has triggered a heat dome, in which warm air is trapped and the pressure acts like a lid, compressing the warm air and raising its temperature. A specific jet stream pattern creates a series of “heat domes” which drive up temperatures, scientists say. SMART Vocabulary: related words and phrases Hot & heat bake baking beat down blisteringly boiling boiling hot closeness fug haze haze over heated mirage overheat stifling stiflingly stuffiness suffocatingly superhot sweltering torrid |