forecast runs: epic 2001 stratocumulus study

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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). Standard CAM. UW-CAM. 60 levels. - PowerPoint PPT Presentation

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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)

WHO Buoy

Vertical resolution: 26, 30, 60 levels

Standard CAM UW-CAM 60 levels

Column state: observations versus ERA40

ERA40: PBL too shallow, too cold and too wet

Other candidates to initialize the column state

NCEP operational analysis ?

Observations

ERA40

NCEP

Interpolation to CAM3 grid

• Advantages: Observations

Native grid

60 levels

26 levels

5-day evolution of THETA

5-day evolution of Q

5-day evolution of PBLH

5-day evolution of LHFLX

5-day evolution of SHFLX

5-day evolution of CLOUD

5-day LWP

5-day PRECT

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