By Kristina Pydynowski, Senior Meteorologist AccuWeather May 09, 2014 The upcoming El Niño threatens to drive coffee prices up further, which are already high due to drought in Brazil and as a fungus plagues coffee crops in Central America. AccuWeather.com meteorologists expect the onset of El Niño during midsummer, leading to drought in many of the top coffee-producing countries. "During an El Niño, there is a strong correlation between dry weather in Central America," stated AccuWeather.com Agricultural Weather Expert Dale Mohler. "The drought that is likely to result threatens to reduce this year's coffee crop even further in the region." The coffee crop across Central America is already suffering due to the plant-choking fungus called coffee rust, or la roya, according to an article by the New York Times. The article states that the latest epidemic of coffee rust started in Central America three years ago and has advanced to...