Fig 3 - uploaded by Stacie Hanes
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a) Map of the state of Texas with state and county borders and cities for reference. The study area is outlined. b) Geographical regions in the state of Texas.
Source publication
Between the years of 1948 and 2005, 50 winter storms with snow and sleet accumulations of four inches or more affected the northern and central portions of the state of Texas. The upper level flow pattern of each storm case was examined and classified into one of six synoptic types. Additionally, geopotential height, moisture, and temperature anoma...
Contexts in source publication
Context 1
... delineations were made to help forecasters correlate synoptic pattern recognition to more precise areas. Figure 3c shows the sub-regions which comprise the study area. These regions were defined based on the annual average number of snow events a particular area experiences. ...
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... snowfall from July of one year through June of the following year) effectively combines the precipitation for a given winter season. It should be noted that many locations across the southeastern half of the study area often go several years between accumulating snow events, and the seasonal average snowfall can be misleading. The study area (Fig. 3a) includes portions of all eight geographical regions in Texas, including the Piney- Woods area of East Texas, the Gulf Coast region, the South Texas Plains, the Hill Country, the Big Bend region, and the Panhandle Plains (Fig. 3b). Our area of interest was limited to the sections of Texas that have rare to very rare (approximately less ...
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... go several years between accumulating snow events, and the seasonal average snowfall can be misleading. The study area (Fig. 3a) includes portions of all eight geographical regions in Texas, including the Piney- Woods area of East Texas, the Gulf Coast region, the South Texas Plains, the Hill Country, the Big Bend region, and the Panhandle Plains (Fig. 3b). Our area of interest was limited to the sections of Texas that have rare to very rare (approximately less than once a year to less than once a decade) occurrences of four or more inches of frozen (i.e., snow and/or sleet) precipitation. Four inches was chosen as the minimum value because the issuance of a NWS c) The study area is ...
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... 500-mb height anomaly maps from a typical Pacific Coast Ridge case (Fig. 13) show significant positive anomalies over western Canada. Much weaker negative anomalies were associated with the upper level trough, averaging 1.5 standard deviations below normal. Temperatures at 500 mb were the coldest of all of the synoptic types, while the 700-mb and 850-mb temperatures were second coldest. Temperature anomalies ...
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