Very hot weather Warning Signals are graded into three levels: yellow, orange and red.

         a）Very Hot Weather Warning  Yellow Signal

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Meaning: Hot weather, with the highest temperature reaching or exceeding 35℃ in 24 hours.

         b）Very Hot Weather Warning  Orange Signal

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Meaning: Very hot weather, with the highest temperature reaching or exceeding 37℃ in 24 hours.

           c）Very Hot Weather Warning  Red Signal

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Meaning: Extreme hot weather, with the highest temperature exceeding 39℃ in 24 hours.