—A LOW<\/strong> flood threat has been issued for the Front Range, Urban Corridor, Palmer Ridge, Southeast Mountains, Raton Ridge and Southeast Plains. Also for the Lake Christine, Hayden Pass and Weston Pass burn areas<\/em><\/p>\n A large, upper-level trough<\/span> situated over the western United States is creating substantial atmospheric lift throughout Colorado. Meanwhile, a surface high pressure system located over the western Dakotas is pushing humid air from the Great Plains and into the eastern regions of Colorado with low-level southeasterly flow. Areas in the Urban Corridor and Front Range received heavy rainfall overnight, which shows the strong low-level moisture resurgence behind a cold front passage. Low-level moisture is expected to remain high today with dew points<\/span> already in the low 50s along the Front Range. This humid air is present in atmospheric soundings as well: precipitable water<\/span> at Denver was measured at 0.83 inches this morning, with these values expected to rise a bit more throughout the day along the Urban Corridor and Palmer Ridge areas.<\/p>\n Upslope flow is expected to initiate showers and thunderstorms over the Front Range and Southeast Mountains this afternoon. With the vorticity max moving north throughout the day, coverage should also increase making storms this afternoon more widespread<\/span> in nature. Extra convergence along the Palmer Divide<\/span> will allow storms to remain active as they slowly move off the mountains this afternoon and evening. Storms are not expected to survive too far east of I-25 as the setting sun will decrease instability. It is possible for a few lighter showers to linger over the mountains tonight. Cloud cover this morning may hinder some afternoon convection<\/span> over certain areas, but skies are already starting to clear. This should allow some moderate instability to build for storms this afternoon. Upper-level steering winds are weak, so slow thunderstorm movement will lead to heavy, localized rainfall totals. Convection<\/span> may also pose a hail threat, which may exacerbate flooding in urban areas. A Moderate and Low flood threat have been issued. A Moderate threat has also been issued for the Spring Creek and Junkin burn areas with a Low threat for the Weston and Hayden Pass burn areas. With nearly stationary storms and possible back-building, local stream flash flooding<\/span>, mud flows and debris slides are possible with storms that track over these areas.<\/p>\n
![\"\"](\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2018\/09\/FTB_pic.png\")
<\/a><\/p>\n