Science / Weather / Heat Wave: A period of abnormally and uncomfortably hot weather. It could last from several days to several weeks. The Weather Channel uses the following criteria for a heat wave: a minimum of ten states must have 90°F plus temperatures and the temperatures must be at least five degrees above normal in parts of that area for at least two days or more.
Heat Noun Synonyms: warm (up)
Heat Adjective Synonyms: warmth, warmness, hotness, fever, fieriness, torridity or torridness
Wave Adjective Synonyms: swell, undulation, billow, sea, heave, roller, whitecap, white horse, ripple, wavelet, breaker, comber
Business / Construction / Roof Sheathing Or Sheeting: The wood panels or sheet material fastened to the roof rafters or trusses on which the shingle or other roof covering is laid. MORE
Science / Weather / Rossby Waves: The movement of ridges and troughs in the upper wind patterns, primarily the jet stream, circling the earth. Named for Carl-Gustaf Rossby, a U.S. Weather Bureau (NWS) employee, who first theorized abo MORE