Forecast runs: EPIC 2001 stratocumulus study - PowerPoint PPT Presentation

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Forecast runs: EPIC 2001 stratocumulus study
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Forecast runs: EPIC 2001 stratocumulus study

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  1. WHO Buoy Forecast runs: EPIC 2001 stratocumulus study EPIC observations - Oct 16-21, 2001 - WHO buoy: 20S-85W Forecast runs - CAM 26L - CAM 60L - CAM-UW 30L - CAM-UW 60L - Resolution: T42 - Timestep: 20 min (26/30L) 10 min (60L)

  2. Standard CAM UW-CAM 60 levels Vertical resolution: 26, 30, 60 levels

  3. Column state: observations versus ERA40 ERA40: PBL too shallow, too cold and too wet

  4. Observations ERA40 NCEP Other candidates to initialize the column state NCEP operational analysis ?

  5. Observations Native grid 60 levels 26 levels Interpolation to CAM3 grid • Advantages:

  6. 5-day evolution of THETA

  7. 5-day evolution of Q

  8. 5-day evolution of PBLH

  9. 5-day evolution of LHFLX

  10. 5-day evolution of SHFLX

  11. 5-day evolution of CLOUD

  12. 5-day LWP

  13. 5-day PRECT