气象局发布了今年第一个冰雹预警信号，以及严重的暴雨预警信号。
Meteorological authorities issued this year's first hail alert, as well as a severe rainstorm alert.
上海中心气象台发布了今年以来首次最高级别的暴雨红色预警信号。
Local weather forecasters issued the first red rainstorm alert of the year - the highest on the 3-level warning system.
哈尔滨市气象台今年首次发布暴雪红色预警信号。
Harbin Municipal Meteorological Observatory issued the first time this year, Blizzard red warning signal.
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