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Variability in the Position and Strength of Winter Jet Stream Cores Related to Northern Hemisphere Teleconnections
Publisher: American Meteorological Society
Abstract: Numerous teleconnections have been identified based upon spatial variability in sea level pressure or lower-tropospheric geopotential height fields. These teleconnections, which are commonly strongest in winter when the ...
Spatial Snow Modeling of Wind-Redistributed Snow Using Terrain-Based Parameters
Publisher: American Meteorological Society
Abstract: Wind is widely recognized as one of the dominant controls of snow accumulation and distribution in exposed alpine regions. Complex and highly variable wind fields in rugged terrain lead to similarly complex snow distribution ...
The Effects of van der Waals Attractions on Cloud Droplet Growth by Coalescence
Publisher: American Meteorological Society
Abstract: The inclusion of van der Waals attractions in the interaction between cloud droplets has been recently shown to significantly increase the collision efficiencies of the smaller droplets. In the current work, these larger ...
An Upper-Air Synoptic Climatology of the Western United States
Publisher: American Meteorological Society
Abstract: An automated, year-round synoptic climatology is developed for the western United States from rawinsonde observations from 1979 to 1988. The classification uses thermal, moisture, and flow parameters to characterize seasonal ...
Error Climatology of the 80-Wave Medium-Range Forecast Model
Publisher: American Meteorological Society
Abstract: A climatology of the once-daily (0000 UTC) 1000-hPa error fields of the National Meteorological Center's 80-wave Medium-Range Forecast (MRF) model is studied. An analysis of the error field has been conducted over the ...
The Role of Surface Mixing in the Seasonal Variation of the Ocean Thermal Structure
Publisher: American Meteorological Society
Abstract: The role of surface-generated mixing in determining the seasonal variation of the ocean thermal structure is investigated using a one-dimensional numerical model. The model contains vertical eddy diffusion with a constant ...
A Distinctly Interdecadal Signal of Pacific Ocean–Atmosphere Interaction
Publisher: American Meteorological Society
Abstract: A new and distinctly interdecadal signal in the climate of the Pacific Ocean has been uncovered by examining the coupled behavior of sea surface temperatures (SSTs) and Northern Hemisphere atmospheric circulation. This ...
Sublimation of Intercepted Snow within a Subalpine Forest Canopy at Two Elevations
Publisher: American Meteorological Society
Abstract: To determine how elevation affects the sublimation rate from intercepted snow within a subalpine forest canopy, a cut subalpine fir and an artificial conifer were weighed at each of two elevations (3230 and 2920 m) at a ...
Connecting Subseasonal Movements of the Winter Mean Ridge in Western North America to Inversion Climatology in Cache Valley, Utah
Publisher: American Meteorological Society
Abstract: 10-yr record of PM2.5 (particulate matter of aerodynamic diameter ≤ 2.5 ?m), collected in Cache Valley near downtown Logan, Utah, reveals a strong peak in the PM2.5 concentration climatology that is tightly localized in ...
Long-Term Wind Speed Trends over Australia
Publisher: American Meteorological Society
Abstract: ccurate estimates of long-term linear trends of wind speed provide a useful indicator for circulation changes in the atmosphere and are invaluable for the planning and financing of sectors such as wind energy. Here a large ...
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