Issue Date: Sunday, August 14th, 2022
Issue Time: 11:30 AM MDT

Summary:

High pressure remained parked to our southeast on Saturday across the southern high plains. Moisture increased across the state compared to Friday, but the bulk of the monsoonal moisture plume remained just west of our area. Nonetheless, showers and storms developed over the mountains of the northwest half of the state by mid-afternoon, with exceptionally slow steering flow yielding increased flash flooding concerns. Storms remained confined to the high terrain, although a few attempted to move off the foothills into the Urban Corridor and eastern plains; dry air near the surface limited the precipitation in this vicinity to mostly virga.

The heaviest rainfall was observed across the eastern Northern Mountains and northern half of the Front Range, where QPE data suggests up to 1.50-2.00” might have fallen. A patchwork of six Flood Advisories and one Flash Flood Warning were issued across Grand, Jackson, and Larimer Counties, including for portions of the East Troublesome and Cameron Peak burn scars; thankfully, no flooding was reported. Another Flood Advisory was issued for northern Park County, also with no flooding reported. Notable rain gauge observations include 1.18” at an automated station near Woodland Park, 0.87” at an automated station south of Estes Park, 0.62” from a CoCoRaHS observer west of Evergreen, and 0.61” from a CoCoRaHS observer north of Allenspark.

Further west across the high terrain of the southern Northwest Slope, Grand Valley, northern Southwest Slope, and northern San Juan Mountains, heavy rain was also observed, with QPE suggesting up to 1.00-1.25”. A Flood Advisory was issued for central Mesa County just south of Grand Junction for mainly arroyo and small stream flooding, but no flooding was reported. Another Flood Advisory was issued for portions of Ouray, San Juan, and San Miguel Counties near Black Bear Pass, with emergency management reporting heavy rain and minor flooding in the area; no debris flows were reported. Notable rain gauge observations include 0.87” at an automated station west of Uncompahgre Peak and 0.82” from a CoCoRaHS observer north of Ridgway.

If you observe flooding in your area, remember to use the “Report a Flood” page to make any flood reports when you can safely do so. For precipitation estimates in our area, check out the map below.

Click Here For Map Overview

Issue Date: Saturday, August 13th, 2022
Issue Time: 11:45 AM MDT

Summary:

Friday saw isolated to widely scattered showers and thunderstorms develop over the high terrain by late afternoon. The heaviest precipitation was confined to the southern Northwest Slope/Grand Valley/Southwest Slope, in addition to the Northern Mountains and western Front Range.

QPE data suggests amounts up to 1” were observed where storms occurred. Notable rain gauge observations include 0.70” southeast of Pagosa Springs, 0.70” near Breckenridge, and 0.64” near Steamboat Springs. No severe weather was reported, but a Flood Advisory was issued for western portions of the Cameron Peak burn scar; no flooding was reported. Additionally, a Flash Flood Warning and two Flood Advisories were issued near the Uncompahgre National Forest, but again, no flooding was reported.

If you observe flooding in your area, remember to use the “Report a Flood” page to make any flood reports when you can safely do so. For precipitation estimates in our area, check out the map below.

Click Here For Map Overview

Issue Date: Friday, August 12th, 2022
Issue Time: 10:45 AM MDT

Summary:

The western half of the state saw some relief from the dry weather on Thursday, with rainfall across the southwest slope up to the Front Range. There were several Flood Advisories issued across the western slope; locations include on and near Black Canyon of the Gunnison National Park, northeast of Telluride, and also over a portion of the Pine Gulch burn scar. 0.5” hail and high winds of 40-50 mph were reported associated with the flood advisory in the National Park – a CoCoRaHS reporter in Montrose nearby reported similar. Near Grand Junction, high winds of up to 47 mph were reported, and nearby in Palisade saw 0.43”.

Flood Advisories were also issued for parts of the Cameron Peak and East Troublesome burn scars yesterday afternoon – via CoCoRaHS, Lake Granby near East Troublesome received up to 0.26”. However, no flooding in either of these locations was reported.

Moving east, the Northwest Slope saw some rainfall as well, including 0.57” and 0.39” in Yampa and Phippsburg. There were also high winds of up to 52 mph reported in Craig.

Lastly, precipitation in the southwest quadrant of the state ranged from trace amounts to 0.19”, with notable amounts of 0.28” in Rico an 0.44” in Cahone. The Urban Corridor and Eastern Plains continued to stay precipitation-free.

There was no flooding reported yesterday.

If you observe flooding in your area, remember to use the “Report a Flood” page to make any flood reports when you can safely do so. For precipitation estimates in our area, check out the map below.

Click Here For Map Overview

Issue Date: Thursday, August 11th, 2022
Issue Time: 10:15 AM MDT

Summary:

Rainfall seemed to continue the trend from yesterday. The eastern half of the state saw no precipitation outside of a few reports of under 0.1” around the Urban Corridor. The west was a little more active, although most areas still received less than 0.15” if they received any precipitation. A severe thunderstorm warning was issued from 4:30 pm – 5 pm over the Colorado-Utah border east of Moab, but no flooding or severe weather was reported. This area received 0.12” according to a Mesowest gage, and Grand Junction to the north saw up to almost 0.1”. Areas where precipitation observations stayed below about 0.1” include Durango, Placerville, Gypsum, and El Jebel.

0.38” near Dolores, 0.39” northwest of Rifle, and 0.24” north of Minturn were among the highest totals for Colorado yesterday. There was a Flood Advisory issued north of Eagle, from 6:36 pm – 9:45 pm, but no flooding was reported.

The newest U.S. Drought Monitor update was released, shown as the image below. Due to the weekend’s significant rainfall, there was a decrease of land in most of the drought categories, from “None” to “Severe”. The percentage of area with no drought increased from 3.27% to 8.24%! The Abnormally Dry category decreased from 96.73% to 91.76%, and there were also decreases in the Moderate and Severe drought categories by approximately 4% – welcome improvements to conditions across Colorado.

There was no flooding reported yesterday.

If you observe flooding in your area, remember to use the “Report a Flood” page to make any flood reports when you can safely do so. For precipitation estimates in our area, check out the map below.

Click Here For Map Overview