The Volcanic Ash Advisory Center in Montreal has not seen any signs of ash in its airspace via satellite, Hall says.

蒙特利尔的火山灰咨询中心通过卫星并未观测到任何火山灰会飘到领空的迹象。

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These observations help modelers in volcanic ash advisory centers improve forecasting models and issue more accurate warnings to pilots and others with aviation interests.

这些观测有助于火山灰咨询中心的模式研究者们改进预报模型，向飞行员和其他航空爱好者发布更准确的警报。

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