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Effects of nesting frequency and lateral boundary perturbations on the dispersion of limited-area ensemble forecasts.
(2003)
To help restore error variance and LAM ensemble dispersion, a new method is developed to apply statistically consistent LBC perturbations that remain spatially and temporally coherent while passing through the boundaries. ...
Measurements and modeling of the Great Plains low-level jet.
(2003)
This dissertation describes a project to elucidate the turbulent and momentum structure of the Great Plains Low-Level Jet (LLJ), primarily by the use of Doppler radar. Simple theoretical and numerical models of the LLJ are ...
The impact of radar data assimilation on the Chorwon-Yonchon 1996 heavy rainfall event.
(2003)
One of the most effective tools for observing the atmosphere at fine scales is the Doppler radar. In recent years, considerable research has been directed toward using radar data as a component of numerical prediction model ...
Automated classification of rainfall systems using statistical characterization.
(2003)
A general, completely automated procedure for classifying rainfall systems is developed. The technique is flexible and universally applicable, in that any rainfall system can be classified regardless of size, location, ...
The impact of Oklahoma's winter wheat belt on the mesoscale environment.
(2003)
The research documented in this manuscript demonstrates that Oklahoma's winter wheat belt has a significant impact on the near-surface, mesoscale environment during growth and after harvest. Differences in near-surface ...
Numerical simulations of cyclic storm behavior: Mesocyclogenesis and tornadogenesis.
(2003)
Building upon previous work that examined the dynamics and model sensitivity of cyclic mesocyclogenesis, this study uses idealized numerical simulations to investigate the cyclic redevelopment of vertical vortices in ...
The relationship between weather variables and electricity demand to improve short-term load forecasting.
(2003)
The power utility industry has become highly volatile with a deregulated market on the horizon and with enormous profit and loss swings in the energy trading market. Electricity, in particular, has become a commodity that ...
Characterizing components of uncertainty in hydrologic modeling using an ensemble approach.
(2003)
In hydrologic modeling, uncertainties are known to reside in model inputs, i.e., rainfall estimates, model parameters, observations of streamflow, and in some cases in the model structure itself. Estimation of the total ...