Today the aforementioned low pressure system starts to move east over southern California. This will cause westerly flow aloft to become more southwesterly throughout the day as the front edge of the trough<\/span> moves over the state. Currently, upward motion on the front side of the trough<\/span> can be seen in the water vapor imagery below marked by the green dashed lines. This mid and upper level energy, along with the plume of moisture, will help spark scattered<\/span> showers and thunderstorms over the higher terrains starting early this afternoon. Over western Colorado, storm movement will be from the southwest to northeast, with the highest accumulations forecast over the Northern Mountains where there is a bit more low-level moisture (dew points<\/span> in the 30°Fs). A storm or two may also track over the lower elevations of the Northwest Slope. Further south, expect cloudiness with some brief winds and virga<\/span>.<\/p>\n To the east, a cold front has started dropping through the plains and Urban Corridor. Behind the front, moisture values have increased and dew points<\/span> are in the upper 40°Fs. This has produced some fog and light rainfall over the northeast corner of the state with cloud cover elsewhere. The front is expected to stall over the Southeast Plains this afternoon, which will could help produce an isolated<\/span> severe thunderstorm<\/span> or two over the Southeast Plains along the Colorado and Kansas border. If these storms are able to form (dependent on the low pressure location) threats include hail up to 1 inches and gusts greater than 60 mph. Guidance this morning suggests the bulk of the activity (higher rain rates and more intense storms) will be located over the panhandle of Oklahoma and southern Kansas.<\/p>\n Over the western high terrains, showers and perhaps an isolated<\/span> thunderstorm or two, will favor the Front Range due to upslope flow and the upper level wave activity coinciding this afternoon. As storms move into the adjacent plains, expected widespread<\/span> shower activity thanks to the low level moisture return behind the front and easterly low level flow. Highest accumulations will likely be east of I-25 over the Palmer Divide<\/span> and north of Denver in Weld County. Some showers may linger or reform overnight along the Front Range and Southeast Mountains due to continued upslope flow and shortwave<\/span> activity with the approaching trough<\/span>. Despite the widespread<\/span> rainfall expected this afternoon, flooding is not expected today.<\/p>\n
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