造成威斯康辛州和爱荷华州“脏雨”。 Dust from drought-affected areas mixed with rain, causing "dirty rain" in Wisconsin and Iowa.

来自南大平原的暴风系统,从受干旱影响地区运来尘土,在威斯康辛州瓦索和爱荷华州造成棕色雨,红褐色斑点。 A storm system from the southern Great Plains, carrying dust from drought-affected areas, caused brown rain in Wausau, Wisconsin, and reddish-brown spots in Iowa. 灰尘由强风吹起,由上层喷气流承载,与雨水混合,形成所谓的脏雨。 The dust, lifted by strong winds and carried by upper-level jet streams, mixed with rain, creating what is known as dirty rain. 这一现象还影响到空气质量,预计空气质量将随着风向变化和寒冷前锋的通过而改善。 This phenomenon also affected air quality, which is expected to improve as winds change with a cold front passing through.