Weather terms starting with A

313 terms

  1. AVG Average
  2. AVHRR Advanced Very High Resolution Radiometer. Main sensor on U.S. polar orbiting satellites.
  3. Aviation gasoline All special grades of gasoline for use in aviation reciprocating engines, as given in the American Society for Testing and Materials (ASTM) specification…
  4. AVN The Aviation model (120-hour numerical model of the atmosphere). The output from this model is now part of what is known as the GFS model.
  5. AVP On a buoy report, Average Wave Period is the average period (seconds) of the highest one-third of the wave observed during a 20 minute sampling period.
  6. AWC Aviation Weather Center
  7. AWHPS Area Wide Hydrologic Prediction System
  8. AWIPS Advanced Weather Interactive Processing System. This system replaced the Automation of Field Operations and Services (AFOS).
  9. AWOS Automated Weather Observation System
  10. Azimuth A direction in terms of a 360° compass. North is at 0°, east is at 90°, south is at 180°, and west is at 270°.
  11. Azimuth Angle The direction or bearing toward which a sloping surface faces (e.g., a north-facing slope has an azimuth angle of 360°; a northeast-facing slope, an…
  12. Azores Current One of the currents of the North Atlantic subtropical gyre.
  13. Azores High Alternate term for Bermuda High - a semi-permanent, subtropical area of high pressure in the North Atlantic Ocean off the East Coast of North America that…