Weather — page 38 of 38

3,760 terms including subtopics (3,094 terms filed directly here)

Subtopics

Weather terms

  1. WMC World Meteorological Center(s)
  2. WMO World Meteorological Organization (UN)
  3. WND Wind
  4. Wolf Number A historic term for Sunspot Number. In 1849, R. Wolf of Zurich originated the general procedure for computing the sunspot number
  5. Wood energy Wood and wood products used as fuel, including roundwood (i.e., cordwood), limbwood, wood chips, bark, sawdust, forest residues, and charcoal.
  6. World Meteorological Organization World Meteorological Organization (WMO) Created by the World Meteorological Convention and recognized as a special agency of the United Nations in 1951…
  7. World Meteorological Organization program World Meteorological Organization program Any scientific project (field experiment, inter-comparison, etc.
  8. World Weather Watch World Weather Watch (WWW) The world-wide, coordinated, developing system of meteorological facilities and services provided by WMO Members for the purpose…
  9. Wrapping Gust Front A gust front which wraps around a mesocyclone, cutting off the inflow of warm moist air to the mesocyclone circulation and resulting in an occluded…
  10. WRCC Western Regional Climate Center
  11. WRM Warm
  12. WRMFNT Warm Front
  13. WRN Western
  14. WRNG Warning
  15. WSFO Weather Service Forecast Office
  16. WSHFT Wind Shift
  17. WSPD On a buoy report, the wind speed (m/s) averaged over an eight-minute period for buoys and a two-minute period for land stations. Reported Hourly.
  18. WSR-57 A NWS Weather Surveillance Radar designed in 1957. It used to be part of weather radar network. It was replaced by WSR-88D units.
  19. WSR-74 A NWS Weather Surveillance Radar designed in 1974. It used to be part of weather radar network. It was replaced by WSR-88D units.
  20. WSR-88D Weather Surveillance Radar - 1988 Doppler; NEXRAD unit.
  21. WSR-88D System The summation of all hardware, software, facilities, communications, logistics, staffing, training, operations, and procedures specifically associated…
  22. WSW Winter Storm Message
  23. WTMP On a buoy report, the sea surface temperature (Celsius).
  24. WTR Water Equivalent
  25. WV 1. Water Vapor (satellite imagery) 2. Wave 3. West Virginia
  26. WVHT On a buoy report, significant wave height (meters) is calculated as the average of the highest one-third of all of the wave heights during the 20-minute…
  27. WW Severe Thunderstorm or Tornado Watch
  28. WWH On a buoy report, Wind Wave Height is the vertical distance (meters) between any wind wave crest and the succeeding wind wave trough (independent of swell…
  29. WWP On a buoy report, Wind Wave Period is the time (in seconds) that it takes successive wind wave crests or troughs to pass a fixed point.
  30. WWV National Institute of Standards and Technology (NIST) radio stations which broadcast a time and frequency service commonly known to mariners as the "Time…
  31. WWVH National Institute of Standards and Technology (NIST) radio stations which broadcast a time and frequency service commonly known to mariners as the "Time…
  32. WX Weather
  33. X-Band A frequency band of microwave radiation in which radars operate.
  34. X-Ray Background In solar-terrestrial terms, a daily average background X-ray flux in the 1 to 8 angstrom range.
  35. X-Ray Burst In solar-terrestrial terms, a temporary enhancement of the X-ray emission of the sun.
  36. X-Ray Flare Class In solar-terrestrial terms, rank of a flare based on its X-ray energy output. Flares are classified by the order of magnitude of the peak burst intensity…
  37. X-Rays The part of the electromagnetic spectrum whose radiation has much greater frequencies and smaller wavelengths than those of ultraviolet radiation.
  38. XBT Expendable Bathythermograph
  39. XCITED Excited
  40. XCPT Expecting
  41. XPC Expect
  42. XSEC Cross Section
  43. YDA Yesterday
  44. Year The period during which the Earth completes one revolution around the sun.
  45. Yellow Snow Snow given a golden or yellow appearance by the presence in it of pine, cypress pollen, or anthropogenic material or animal-produced material.
  46. Younger Dryas interval of abrupt climate changes approximately 12,700-11,500 years ago. The name is derived from the Dryas plant, a cold-loving plant that pollen…
  47. Z Zulu time; the same as Universal Coordinated Time (UTC), i.e. 18z is the same as 18:00 UTC.
  48. Z/R Relationship The empirical conversion relationship between radar reflectivity and precipitation rate.
  49. 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…
  50. ZFP Zone Forecast Product
  51. ZL Freezing Drizzle
  52. ZNS zones
  53. Zonal Flow Large-scale atmospheric flow in which the east-west component (i.e., latitudinal) is dominant.
  54. Zone of Aeration The comparatively dry soil or rock located between the ground surface and the top of the water table.
  55. Zone of Saturation The soil or rock located below the top of the ground water table that is saturated with water. See water table.
  56. Zoned Embankment Dam An embankment dam, which is composed of zones of selected materials having different degrees of porosity, permeability, and density.
  57. ZR Freezing Rain
  58. Zulu (Z) Time For practical purposes, the same as Coordinated Universal Time (UTC). The notation formerly used to identify time Greenwich MeanTime.
  59. Zulu Time (Z) (Z) Means Coordinated Universal Time (UTC); the international time standard kept at Greenwich, England.
  60. Zurich Sunspot Classification In solar-terrestrial terms, a sunspot classification system that has been modified for SESC use.

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