— LOW<\/strong> flood threat for Raton Ridge<\/em><\/p>\n
Unsettled weather will continue on this first day of September, though mainly limited to southeast Colorado. As shown in the water vapor image, below, a strong disturbance is noted across northwest Colorado. Mid-level upward motion to its east is causing extensive mid and high clouds over central and eastern parts of the state. Isolated<\/span> showers are already showing up on the Pueblo NWS<\/span> radar. As the disturbance slowly moves east-southeast, expect enough sunshine to cause an increase in shower and storm activity mainly across the southern High Country. Moisture has increased sharply over the past 24 hours with Precipitable Water<\/span> at 0.94 inches at Denver and 0.76 inches at Grand Junction this morning. Notable drying will occur in the wake of the disturbance, but moisture will continue to stay elevated in the southeast and south-central parts of the state. At the surface, a weak low-pressure was noted in east-central Colorado. This is expected to intensify modestly with the lee side trough<\/span> development this afternoon. This will act to focus the strongest storms on its southeast side.<\/p>\n Putting it all together now, we expect scattered<\/span>\/numerous<\/span> showers and storms in the southern High Country including the Southeast Mountains and adjacent foothills. Rainfall rates will be below flood threat levels for most locations. However, the fire scars in the Southeast Mountains will continue to be under a Low flood threat for mud flows and flash flooding<\/span> due to the high probability of moderate rainfall rates. Additionally, a Low flood threat has been posted for the Raton Ridge where the best instability and upslope flow could cause an isolated<\/span> storm or two capable of producing heavy rainfall and flash flooding<\/span> or small stream flooding.<\/p>\n
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