Ice needle: Difference between revisions
From Glossary of Meteorology
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{{Term | |||
|Display title=ice needle | |||
{{ | |Definitions={{Definition | ||
|Num=1 | |||
|Meaning=A long, thin [[ice crystal]], axis coincident with the c axis of [[ice]] and with the cross section perpendicular to its long dimension being, at least in part, hexagonal. | |||
|Explanation=Ice needles grow in a narrow [[range]] of [[temperature]] near -4°C and also at much lower temperatures, below -25° to -50°C depending on ice [[supersaturation]]. | |||
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Latest revision as of 10:31, 30 March 2024
A long, thin ice crystal, axis coincident with the c axis of ice and with the cross section perpendicular to its long dimension being, at least in part, hexagonal.
Ice needles grow in a narrow range of temperature near -4°C and also at much lower temperatures, below -25° to -50°C depending on ice supersaturation.