Predictive Service Area (PSA) Boundaries Public

Polygon boundaries depicting Predictive Service Area (PSA) boundaries within the USA including the lower 48 states, Alaska, and Puerto Rico. The intended use of data is wildland fire weather decision support, and resource allocation and prioritization. Polygons have been dissolved to multi-part polygons.本数据集包含美国境内（含本土48州、阿拉斯加州及波多黎各的预测服务区域（Predictive Service Area, PSA）边界多边形。本数据集的应用场景为野外火灾气象决策支持、资源调配与优先级排序。所有多边形已被融合为多部件多边形（multi-part polygons）。