What is a long-range forecast?
First posted August 23, 2020
Deterministic Weather Forecasting
In 2020, the global energy industry depends on high-quality weather forecasts for critical decision making like never before. Over recent decades the application of these forecasts has expanded exponentially due to the rapid growth of renewable energy and the liberalization of energy markets.
Short-range forecasts are now an essential tool in the real-time management of wind and solar assets, whilst medium-range forecasts play a crucial role in daily hedging activity. Even though modern computing power has brought huge improvements to forecast accuracy, there remains an inconvenient truth at the heart of traditional weather forecasting: there is still very little deterministic skill in the long term, generally considered a forecast beyond 12 days ahead. Enter the long-range forecast.
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