Radar

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Radar bright band in stratiform precipitation
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Distinguishing liquid and ice at temperatures
below freezing.
Zh
LDR
ZDR
At altitudes above the freezing level, large ZDR
(4b) can indicate supercooled raindrops, and
large LDR (4c) can indicate ice coated by liquid
water.
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Large Zh and small ZDR can indicate hail
Zh
ZDR
LDR
Large Zh indicates large hydrometeors. Small ZDR
(hail hole) indicates ice rather than
raindrops.
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Hail can also be identified by dual- wavelength
radar (HS Z10cm Z3cm).
10-cm wavelength radar is more sensitive to
hydrometeor size than is 3-cm radar.
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