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Articles 31 - 32 of 32
Full-Text Articles in Climate
A Transition-Phase Teleconnection Of The Pacific Quasi-Decadal Oscillation, Shih-Yu (Simon) Wang, R. R. Gillies, L. E. Hipps, J. Jin
A Transition-Phase Teleconnection Of The Pacific Quasi-Decadal Oscillation, Shih-Yu (Simon) Wang, R. R. Gillies, L. E. Hipps, J. Jin
Plants, Soils, and Climate Faculty Publications
The atmospheric circulation patterns associated with the Pacific quasi-decadal oscillation (QDO) are investigated using available observational data from 1948 to 2007. Previous studies indicate that the Pacific QDO is characterized by a distinct lifecycle in the form of sea surface temperature (SST) patterns. In the warm and cool phases of the Pacific QDO, the SST patterns resemble those associated with the El Niño-Southern Oscillation (ENSO). During the warm–cool and cool–warm transitions of the Pacific QDO, recurrent SST patterns are also clearly visible. The rotated empirical orthogonal function analysis on the 10–15 year filtered data shows that the evolutions of SST …
Evaluations Of Nam Forecasts On Midtropospheric Perturbation-Induced Convective Storms Over The U.S. Northern Plains, Shih-Yu (Simon) Wang, T. C. Chen, S. E. Taylor
Evaluations Of Nam Forecasts On Midtropospheric Perturbation-Induced Convective Storms Over The U.S. Northern Plains, Shih-Yu (Simon) Wang, T. C. Chen, S. E. Taylor
Plants, Soils, and Climate Faculty Publications
In the U.S. northern plains, summer progressive convective storms that occur in weakly forced environ- ments are often coupled with short-wave perturbations that are embedded in the midlevel northwesterly flow. These midtropospheric perturbations (MPs) are capable of inducing propagating convection that contributes to a majority of the rainfall over the northern plains during July and August. There is a possibility that the difficulties of numerical weather prediction models in forecasting summer convective rainfall over the northern plains are partly attributed to their deficiency in forecasting MPs. The present study tests this possibility through examining operational forecasts by the North American …