— LOW<\/strong> flood threat for the Front Range, Palmer Ridge, Northeast Plains, Urban Corridor, Southeast Plains, Northern Mountains and Northwest Slope<\/em><\/p>\n Another round of severe weather and heavy rainfall is expected this afternoon, evening and overnight for the northern portion of the state. Below is the water vapor imagery with several key features for today’s forecast marked. First is the upper low over NV\/Utah. Today this will release upper air support in the form of shortwaves and jet streak<\/span> for more widespread<\/span> showers and thunderstorm coverage. It will also help maintain showers and thunderstorms overnight throughout the Northern Mountains and northeast corner of the state. Also marked is a surface low, which will help pull in moisture into the state on both to the north and east sides. The moisture axis is drawn in green with higher moisture residing to the east of the line. Dew points<\/span> will be in the 50s (west) and 60s (east), which will support heavy rainfall. Precipitable Water<\/span> was measured at 0.75 inches at Denver this morning, and this is expected to increase throughout the day with low-level, moist easterly flow.<\/p>\n Further south, over the southern Southeast Plains, the eastward progression of the dry line throughout the day will limit the heavy rainfall east of Colorado. Low relative humidity and increased winds to the west of the dry line will cause critical fire conditions. A Red Flag<\/span> Warning<\/span> is in place through this evening for the San Luis Valley, Southeast Mountains and Raton Ridge. This evening, a MCS<\/span> sets up over the northeastern plains, with heavy rainfall falling extending south into Cheyenne and Kiowa counties.<\/p>\n This afternoon, upslope flow and instability will help initiate thunderstorms over the Northern Mountains, Front Range and Palmer Ridge. East of the Continental Divide<\/span>, these storms will begin to move to the northeast into the Urban Corridor and Northeast Plains later in the afternoon. As they move east, they will encounter better instability and shear<\/span>, which will increase the chances of severe thunderstorms<\/span>. Threats include large hail (up to 2 inches), strong winds (60-65 mph), a couple tornadoes and heavy rainfall. A Moderate flood threat has been posted for portions of the Urban Corridor due to the potential for street and small stream flooding this afternoon. Max 1-hour rain rates up to 1.2 inches per hour are possible with these thunderstorms.<\/p>\n This evening and overnight another MCS<\/span> is expected to set up over the Northeast Plains where heavy rainfall occurred yesterday. With already saturated soils, flooding of fields, roads and small streams is likely, so a Moderate flood threat has been issued. 24-hour storm totals could be up to 3.5 inches in this area.<\/p>\n To the west of the Continental Divide<\/span>, moisture is also forecasted to increase this afternoon with the greatest increases over the Northwest Slope and Northern Mountains. Lifting from the upper wave is expected to initiate more widespread<\/span> shower and thunderstorm coverage today when compared to yesterday. Convection<\/span> may persist overnight in the Northern Mountains, but the flood threat will end after sundown. For this afternoon, a Low flood threat has been issued. Threats include road and small stream flooding with the potential for mud flows and debris slides over the steeper terrains.<\/p>\n
![\"\"](\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2018\/05\/wv_20180528.png\")
<\/a><\/p>\n