According to the forecast by a United Nations scientific advisory panel, global temperature will rise 0.8°C 3.5°C by the year 2100 if production of greenhouse gases is not reduced.
Last week, San Francisco put out a heat advisory warning because the temperature was going to hit 85 degrees.
Temperatures on Thursday are expected to hit 93 degrees in Montreal, though it could feel more like 104 to 113 degrees in parts of southern Quebec because of the heat index, which measures what temperatures feel like, according to government advisories.
They also include optimal land use designs such as more use of undeveloped "green space" and shade trees to help keep city-dwellers cool as well as better weather advisories to warn of acute temperature extremes.
Despite persistent overnight frost advisories, forecasters say L.A. area temperatures are expected to swing from frigid to above normal next week, with daytime highs about 80 degrees inland.
Keyword/phrase searches were conducted using PubMed (http://www.ncbi.nlm.nih.gov/pubmed/), Google Scholar (http://scholar.google.com/), and Google (http://google.com/) for the following terms: "heat wave," "heat event," "extreme heat," "extreme temperature," "temperature event," "intervention," "adaptation," "mitigation," "warning," "advisory," "cooling center," and "cool center".
And East Coast officials issued heat advisories and air quality alerts when temperatures soared last week and increased the risk of asthma attacks and other health problems, especially for children and the elderly.
Aside from air temperature, other environmental variables are used to issue heat advisories based on the heat index, including humidity and wind (3).
But hours before the concert was to begin, with the temperature pushing past 90 and the National Weather Service expanding its heat advisory, orchestra officials decided to skip the Dvorak and play only the Tchaikovsky.
According to the National Oceanic and Atmospheric Administration (NOAA) more than 132 million people have been under an excessive heat advisories for long periods this summer, with record-breaking temperatures in the triple digits.
