Heat waves can occur in almost any country around the world, including the United States, Denmark, Russia, Australia and England. A heat wave is defined as a period of above-average high temperatures, sometimes accompani... More »

A heat wave, defined by the National Weather Service as three or more consecutive days where the temperature reaches at least 90 F, typically occurs when a ridge of high pressure air inflates over a large area. The likel... More »

The real author of "Heat Wave" has not been identified, as of 2014, but one theory points to Tom Straw. Hyperion, the publisher of "Heat Wave," has only shared one clue with its audience: the author has appeared on the C... More »

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Summer occurs during the months of June, July and August in England. The average temperature is between 9 and 18 degrees Celsius (48 to 64 degrees Fahrenheit), although during heat waves, the temperature can climb as hig... More »

El Ninos occur every two to seven years irregularly and tend to last for a single cycle. It is typical for these events to show signs of occurring during autumn, and then they strengthen over the winter and spring, with ... More »

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Droughts can occur at any time during the year. A drought is usually determined by the lack of precipitation that falls during a period of time, but it can take a long time for its effects to be noticed. More »

Since tsunamis are not affected by the seasons, they can occur at any time. Tsunamis are caused by things like volcanic eruptions, earthquakes and meteor impacts and have nothing to do with the different seasons. More »