under GFS thinned...

  weather forecast for F00  -  F30 (every 6 hours)

   Z1000 and GAV
      AVOR (GEO)
      scale factor = 5, interval=4x10-5, min=2x10-5

      1000 HGHT --> Interval = 30m [scale factor = 0]

   Z500 and GAV
      AVOR (GEO)
      scale factor = 5, interval=4x10-5, min=2x10-5

      500 HGHT --> Interval = 60m [scale factor = 0]

   Z500 and GAVA5
      ADV ( AVOR (GEO), GEO )
      scale factor = 9

      500 HGHT --> Interval = 60m [scale factor = 0]

   Z500 and NLTHAD
      LAP( ADV (SUB(HGHT@500%PRES,HGHT@1000%PRES), GEO@1000%PRES ))
      scale factor = 13

      500 HGHT --> Interval = 60m [scale factor = 0]

   Z500 and LAD
      sm9s(sm9s( LAP(OMEG@700%PRES)))
      scale factor = 13

      500 HGHT --> Interval = 60m [scale factor = 0]

   Z700 omegRH
      sm9s(sm9s(omeg@700%PRES))
      scale factor = 3, interval 2 mb/s

      RH; sm9s(sm9s(RelHum_1000mb-700mb_Avg_%))
      interval=10, minimum=10

   Z1000 WS10m
      interval=3

      1000 HGHT --> Interval = 30m [scale factor = 0]

   1000-500 Thickness
      5120 & 5460 m [dashed]

      500 HGHT --> Interval = 60m [scale factor = 0]

area:
   25;127;55;-167
   mer