What does dBZ mean (meteorology)

226 viewsOtherPlanetary Science

Watching the hurricane come in and I’m trying to figure out what the dBZ ranking means. The equivalent reflectivity factor goes right over my head. Thanks!

In: Planetary Science

4 Answers

Anonymous 0 Comments

Found this explanation that covers it well but I don’t understand it enough to explain but this could help? https://www.reddit.com/r/Radarscope/s/CwVi94dNDz

Edit: what the link says

In the context of meteorology, dBZ (decibels of Z) is a unit of measurement used to describe the reflectivity of radar signals returned from precipitation The higher the dBZ value, the more intense the precipitation. Here’s a breakdown of what dBZ values typically mean:

• Low dBZ values (blue and green colors): Light precipitation

• Higher values (yellow, orange, and red colors): Heavier precipitation

• Values above 45 dBZ: Intense precipitation, often caused by thunderstorms

• Values above 60 dBZ: Heavy precipitation, likely with hail

In summary, dBZ is a logarithmic scale used to measure the intensity of precipitation, with higher values indicating more severe weather conditions.

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