SPM 07-29-2018: Scattered Showers and Thunderstorms Impacted Colorado Again

Issue Date: Sunday, July 29th, 2018
Issue Time: 9:30 AM MDT

Summary:

Yesterday was another wild day of weather for Colorado, with flash flooding, hail, tornadoes, heavy rain, and strong winds peppering the state. The upper-level high positioned to our southwest has been relentless in ushering mid-level moisture our direction, while low-level easterly flow enhances wind shear and moisture for areas east of the Divide. The result for Saturday was plenty of strong-to-severe storms, with the most intense reports summarized below:

Flash Flood: 2 miles N of El Jebel (Eagle County), Wray (Yuma County), 1 mile N of Wray (Yuma County)
2.75 inch diameter hail: 1 mile SE of Julesburg (Sedgwick County), 4 miles N of Logan Corners (Logan County), 6 miles NE of Amherst (Phillips County)
2.5 inch hail: 12 miles SE of Julesburg (Sedgwick County), 5 miles NE of Amherst (Phillips County)
Tornado: 7 miles W of Sterling (Logan County)
77 mph Thunderstorm Wind Gust: 1 mile SE of Julesburg (Sedgwick County)
63 mph Thunderstorm Wind Gust: 3 miles W of Sterling (Logan County)
60 mph Thunderstorm Wind Gust: 10 miles ESE of Whitewater (Mesa County)

For a look at precipitation estimates in your area, please see our State Precipitation Map below.

Click Here For Map Overview

The map below shows radar-estimated, rainfall gage-adjusted Quantitative Precipitation Estimates (QPE) across Colorado. The map is updated daily during the operational season (May 1 – Sep 30) by 11AM. The following six layers are currently available: 24-hour, 48-hour and 72-hour total precipitation, as well as maximum 1-hour, 2-hour and 6-hour precipitation over the past 24 hour period (to estimate where flash flooding may have occurred). The accumulation ending time is 7AM of the date shown in the bottom right corner. Also shown optionally are fire burn areas since 2012. The home button in the top left corner resets the map to the original zoom.
Note: We have identified a possible underestimation in QPE over the southwest part of the state. We are working to on this issue, and will provide an update as soon as possible.