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NOAA's preview says western snowpack and reservoirs are at multi-decade lows, with Lake Mead and Lake Powell below 30% of capacity. The seasonal outlook favors drier, warmer conditions in the southern West this winter, the third La Niña winter in a row.
Western water shortages could cut irrigated crop acreage and hay output, which may tighten local feed supplies and support cattle feeding costs.
drought.gov2022年11月30日在过去 20 次中性的天气事件之后，活牛 在 5 个交易日内中位数变动 +0.4%（60% 上涨；中间一半区间为 -0.3% 至 +1.2%），20 个交易日内为 +3.0%。
各商品基准价相对事件前最后收盘价的变动。历史数据汇总同类过往事件；仅描述已发生的情况，不代表未来走势。不构成投资建议。
