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≤10.0厘米为弱积冰10.1-20.0厘米为中度积冰积冰,20.1-30.0厘米为强积冰 ≤5.0厘米为弱积冰,5.1-15.0厘米为中度积冰,15.1-30.0厘米为强积冰 ≤2.5厘米为弱积冰2.5-9.0厘米为中度积冰,5.1-10.0厘米为强积冰米为强积冰
I≤0.5,0.51.0 I<0.5,0.5≤I≤1.0,I>1.0 I≤0.5,0.5≤I<1.0,I≥1.0 I<0.5,0.5≤I<1.0,I≥1.0
≤10.0 厘米为弱积冰。 10.1~20.0 厘米为中度积冰.20.1 ~ 30.0 厘米为强积冰; ≤5.0 厘米为弱积冰, 5.1 ~15.0 厘米为中度积冰, 15.1 ~30.0 厘米为强积冰; ≤2.5 厘米为弱积冰, 2.5 ~5.0厘米为中度积冰, 5.1 ~10.0 厘米为强积冰
冻雨迅速的明冰 中度积冰或强积冰,且上部积冰比下部要强 一般为弱积冰或中度积冰,积冰强度随高度升高而减弱
强积冰 强积冰 强积冰 弱积冰 弱积冰 强积冰 弱积冰 弱积冰
<=10.0 厘米为弱积冰 10.0 -20.0 厘米为中度积冰积冰, 20.1 -30.0 厘米为强积冰 <=5.0 厘米为弱积冰, 5.1-15.0 厘米为中度积冰, 15.1-30.0 厘米为强积冰 <=2.5 厘米为弱积冰 2.5-9.0 厘米为中度积冰, 5.1-10.0 厘米为强积冰米为强积冰