Versions Compared

Old Version 1

changes.mady.by.user Frederic Vitart

Saved on

compared with

New Version 2

changes.mady.by.user Frederic Vitart

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

Potential vorticity at 320K

 

Name:potential_vorticityAbbreviation:pvUnit:K m2 kg-1 s-1
DefinitionThe scalar product of the absolute vorticity and the gradient of the potential temperature times the specific volume.
ValidityinstantaneousInstantaneous
Comment Archived once a day at 00Z
GRIB 2Parameter Number
Parameter
Discipline= 0  Meteorological products
Parameter Category= 2 Momentum
 = 14 Potential vorticity 
All 1'sScaled value of first 320 All 'sGRIB 2 and C-code for: Perturbed forecast, Control forecast, Perturbed re-forecast and Control re-forecast
Level
Type of first fixed surface= 107  Isentropic (theta) level K
Scale factor of first Type of second fixed surface= All 1's0 
Scaled value Scale factor of first fixed surface= 0Scale factor 320320K
Type of second fixed surface= all bits to 1
Missing
Scale factor of second fixed surface= all bits to 1Missing
Scaled value of second fixed surface= all bits to 1Missing