Weather terms starting with Z

14 terms

  1. Z Zulu time; the same as Universal Coordinated Time (UTC), i.e. 18z is the same as 18:00 UTC.
  2. Z/R Relationship The empirical conversion relationship between radar reflectivity and precipitation rate.
  3. Zero Datum A reference "zero" elevation for a stream or river gage. This "zero" can be referenced (usually within ten feet of the bottom of the channel) to mean sea…
  4. ZFP Zone Forecast Product
  5. ZL Freezing Drizzle
  6. ZNS zones
  7. Zonal Flow Large-scale atmospheric flow in which the east-west component (i.e., latitudinal) is dominant.
  8. Zone of Aeration The comparatively dry soil or rock located between the ground surface and the top of the water table.
  9. Zone of Saturation The soil or rock located below the top of the ground water table that is saturated with water. See water table.
  10. Zoned Embankment Dam An embankment dam, which is composed of zones of selected materials having different degrees of porosity, permeability, and density.
  11. ZR Freezing Rain
  12. Zulu (Z) Time For practical purposes, the same as Coordinated Universal Time (UTC). The notation formerly used to identify time Greenwich MeanTime.
  13. Zulu Time (Z) Means Coordinated Universal Time (UTC); the international time standard kept at Greenwich, England.
  14. Zurich Sunspot Classification In solar-terrestrial terms, a sunspot classification system that has been modified for SESC use.