What is “nowcasting”
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Nowcasting is a somewhat silly-sounding word that refers to predicting weather in the very short term: about two hours. Given the satellites, radar, and other modern tools that are at meteorologists’ disposal, nowcasting is probably the most accurate type of forecasting. Weather patterns, though they can still change abruptly with little notice, such as in the case of tornadoes, are fairly predictable in the short term. For example, if you see a large, well-organized storm front heading toward your city just a few miles away, it is a safe bet that a weather forecaster can tell you precisely when it will affect your neighborhood and what weather conditions you can expect.