updated 3/7/2013 8:15:45 AM ET 2013-03-07T13:15:45

Erratic weather, including a devastating drought in Europe and a freak hailstorm in Australia, has left the world with a looming shortage of olive oil.

In spring of 2012, a late frost hit Spain in the middle of the olive's flowering season, according to the Huffington Post. As a result, Spanish olive trees produced fewer fruits, and those olives the trees did produce were smaller and yielded less oil.

Spain is the world's largest producer of olive oil, making almost half the global supply, according to the Guardian. But Spain was one of several olive-producing countries hammered by a drought that swept across southern Europe in the summer of 2012.

While olive growers in Greece, Turkey, Italy and Tunisia all suffered from the drought, none reported losses like the staggering 60 percent drop in olive production that hit Spanish growers, according to the Daily Mail.

These factors — combined with a severe hailstorm that destroyed roughly 6 percent of Australia's olive crop, according to Australia's news service — have left restaurants and food manufacturers worldwide in a tight spot.

Not only will the olive oil shortage raise prices, but it's also expected to increase the already-rampant illegal doctoring of olive oil, the Daily Mail reports. In 2011, two businessmen in Spain were found guilty of selling extra-virgin olive oil that was, in fact, 75 percent sunflower oil, a cheaper substitute.

The market for olive oil has grown rapidly in recent years as food scientists have touted the product's health benefits. Studies have shown that the oil can improve cholesterol levels, and it's an important component of the Mediterranean diet, frequently cited as one of the most healthful ways of eating.

EmailMarc Lallanillaor follow him@MarcLallanilla. FollowLiveScienceon Twitter@livescience,Facebook&Google+.Original article on .

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