Extended-range weather forecast refers to 10–30-day weather forecast. It is of great value to meteorological disaster prevention and mitigation and sustainable economical and social development, fills time gap between 1–3-day short-range weather forecast, 3–10-day medium-range weather forecast and short-range climate prediction (monthly prediction and seasonal prediction) and meets requirement of establishing complete forecast system. Thus, it is of highlighted scientific value and very high application value and has been one of the importan………
