Extended Abstract (1.2M)22.4
Impacts of perturbed soil moisture conditions on short range ensemble variability
Christian J. Sutton, CIRES/Univ. of Colorado, Boulder, CO; and T. M. Hamill
One characteristic of ensemble forecasts has been their under-dispersive nature. The purpose of this experiment is to explore how to generate a perturbed soil moisture initial condition and determine its impact on short range ensemble forecasts using the NCAR/PSU MM5 version 3. Several Great Plains warm-season short-range forecasts will be carried out three ways: with a perturbed atmosphere, with a perturbed soil moisture, and with both a perturbed atmosphere and perturbed soil moisture. The results will help determine the how much missing spread can be explained by perturbing the soil moisture.
Session 22, Land Surface Processes (ROOM 607)
Thursday, 15 January 2004, 11:00 AM-12:00 PM, Room 607
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