Mesa storm history

West Creek in Mesa County ran high and fast as a result of accelerated snowmelt resulting in the creek with flooding observed by local law enforcement. West Creek drains south into the Dolores River. A 94-year old man drowned after accidentally backing his ATV into West Creek and…

A landslide consisting of about 30 million cubic meters of rock and soil broke loose from the side of the Grand Mesa near the 10,000 foot level and traveled nearly 3 miles down the West Salt Creek drainage. Three ranchers were apparently buried by the landslide which deposited de…

An NWS Employee reported power outages across the northern portions of the City of Grand Junction in association with a passing thunderstorm. There was no direct measurement of the winds with this storm, and as such the wind gust is estimated based on the damage done. There were …

The CoCoRaHS reported at Mack 5NW called in a report of a 61 mph wind gust at her location in association with a passing thunderstorm. No reports of injuries, damages, or fatalities were received in association with this event.

At 3:06 PM MDT, NWS Grand Junction received a report from local law enforcement that powerlines had been downed in nearby Fruita, CO in association with a passing severe thunderstorm. Six minutes later, this storm reached the Grand Junction Regional Airport, where the KGJT ASOS r…

At 908 MST on September 12, a CoCoRaHS observer reported 0.75 inch diameter hail 5 miles NW of Mack, Colorado.

A trained spotter reported street flooding at the intersection of State Route 340 and Rimrock Drive, near the west entrance to Colorado National Monument. No reports of road closures or damages due to this flooding were received.

Thunderstorms developed over the Redlands area of Grand Junction late in the afternoon of September 4th, and remained there for 2-3 hours. Impacts began to be noticed around 6:45 PM MDT, with an LSR in the area of 1 ESE Redlands indicating Water out of the banks of nearby wash an…

At approximately 3:20 PM MDT, local law enforcement reported a rockfall between mile-markers 115 and 116 on Highway 141 in Unaweep Canyon, roughly 4 miles east of the town of Gateway. The Turner Gulch burn scar, which is adjacent to this location, experienced some heavy rain prio…

Training storms off the La Sals resulted in waterfalls off terrain just southeast of Gateway (approx 1900 UTC). No impacts other than inundating basecamp for the Turner Gulch fire, which was set up in a floodplain along the Dolores river, southeast of town (by bridge with USGS ga…

Between 1625 and 1650 MST, a severe storm tracked southeast through the Grand Valley from Fruita through Orchard Mesa, including the Redlands and Grand Junction, with numerous reports of severe hail from 1 inch to 1.75 inches in diameter, which is up to golf ball size. Multiple i…

Flash flooding was observed along Salt Creek down to the confluence with the Dolores River, near the intersection of Salt Creek Road and Colorado Highway 141. A COOP observer nearby reported a pickup truck caught in the flood and floated upright downstream. Additionally, a Colora…

The Colorado Department of Transportation mesonet station 070w001 Utah State Line recorded a wind gust to 62 mph at 5:06 PM MDT, associated with a thunderstorm moving off the higher terrain to the south over the Uncompahgre Plateau. No reports of damages, injuries, or fatalities …

A thunderstorm that developed on the higher terrain of the western edge of the Uncompahgre Plateau moved over the Colorado Department of Transportation's Mesonet site 070w001 Utah State Line. This mesonet site recorded a wind gust to 61 mph with this storm, likely due to dry surf…

Rainfall amount of 0.37 inches fell in 10 to 15 minutes causing minor street flooding in Fruita as drains could not keep up. Rates were 1 to 2 inch per hour.

A strong to severe thunderstorm moved through the far western portion of Mesa County in Colorado. A trained spotter measured a gust to 65 mph at her home, 5 miles northwest of Mack. In addition, an automated Colorado Department of Transportation mesonet site recorded a gust to 57…

COOP Observer reported hail of an estimated 0.88 inches, comparable to a Nickle, in the Orchard Mesa area southeast of Grand Junction on the afternoon of the 27th. This hail was reported to have caused damaged to crops within a roughly 2 mile radius.

A strong thunderstorm moved through Gateway with heavy rain rates of 1 to 3 inches per hour, where 1.18 inches of rain fell in a 30 minute period. Flooding occurred due to the heavy rain rates where water moved wood and rocks into a nearby creek. Internet service was lost during …

A severe thunderstorm that moved through mainly Grand Junction and suburbs of such, including the Redlands and Orchard Mesa, produced strong to severe wind gusts. The peak gust recorded at the KGJT ASOS at Grand Junction Regional Airport was 63 mph at 4:53PM MDT. Some reports of …

A severe thunderstorm moved across the Grand Junction area from downtown to the airport, producing 0.75 to 1 inch diameter hail. Hail caused some damage with skylights broken at the Walmart on the south side of town.

A strong to severe thunderstorm tracked down the Colorado National Monument, across the Redlands, portions of downtown Grand Junction and over the Grand Junction Regional Airport. The GJT ASOS at the Grand Junction Regional Airport recorded 1.07 inches of rain with rainfall rates…

A peak wind gust of 64 MPH was measured by the automated weather station at the Grand Junction Regional Airport. Light rain fell at the time of observation with distant lightning to the northwest.

Nickel size hail was reported 2 miles west of Palisade in Mesa County.

Heavy rain from thunderstorms resulted in minor flooding/ponding of water on portions of I-70 near mile marker 56 going east towards De Beque.

A strong thunderstorm developed over the Grand Mesa before moving northward over I-70. This led to a significant rockslide occurring on the interstate near the Highway 65 junction, or near mile marker 49. The eastbound lanes were closed for a period of time with some of the rocks…

Flooding occurred in the parking lot near the Mesa Mall in Grand Junction. A local broadcast meteorologist reported the water reached to the top of a pickup truck's tires.

A local broadcast meteorologist reported several inches of water running down the intersection of North Avenue and 1st Street in Grand Junction as a result of heavy rain from thunderstorms.

An NWS employee reported 1 to 2 feet of standing water at the intersection of 7th Street and Riverside Parkway in Grand Junction as a result of heavy rain from thunderstorms. Various observers recorded close to or more than an inch of rain fell with storms.

The Colorado Department of Transportation reported flash flooding on Colorado Highway 340 at the west entrance to the Colorado National Monument. Up to 6 inches of water ran across the road as a result of heavy from thunderstorms. Additionally, some large boulder collapsed on the…

A peak wind gust of 61 MPH was measured by the automated weather station at the Grand Junction Regional Airport.

An NWS employee riding on a bike trail outside Loma reported flooding along the trail near Reed Wash. The river was running incredibly high underneath the I-70 bridge.

Closures were implemented on the outer lane of I-70 at Skipper Island west of Fruita in both directions as a result of flooding along the Colorado River. The closure was updated to only include the right lane of I-70 westbound several days later.

Part of the Riverfront Trail was closed for several days in Grand Junction as a result of flooding due to accelerated snowmelt. The trail at the Redlands Parkway underpass was under water, but the main road itself remained dry.

Flash flooding occurred as a result of heavy rain from thunderstorms on the lower end of the No Thoroughfare Trail between D Road and Monument Road in Grand Junction.

Minor street flooding several inches deep occurred across portions of central Grand Junction as a result of heavy rain from thunderstorms. The water drained out shortly later.

Flash flooding occurred on the lower portion of the Palisade Plunge trail in Mesa County as a result of heavy rain from thunderstorms.

Portions of Rim Rock Drive in the Colorado National Monument experienced a minor debris flow as mud flowed on the road due to heavy rain from thunderstorms.

A mudslide occurred on the side of Colorado Highway 65 north-northwest of Mesa as a result of heavy rain from thunderstorms. Water also intermittently flowed across the highway.

Localized flooding occurred 5 miles north-northwest of Mesa as a result of heavy rain from thunderstorms. 0.94 inches of rain fell in an hour.

Street flooding occurred as the stormwater system was overwhelmed a result of heavy rain from thunderstorms and runoff.

Water was flowing in normally dry ravines near the east end of the Colorado National Monument as a result of heavy rain from thunderstorms.

Water flowed on the streets in downtown Grand Junction as a result of heavy rain from thunderstorms.

Water flowed on the streets as a result of heavy rain from thunderstorms.

One to two feet of standing water from heavy rain with thunderstorms occurred at the intersection of Riverside Parkway and 7th Street as the stormwater system got overwhelmed.

At least several inches of standing water occurred at the intersection of 3rd Street and Ute Avenue in downtown Grand Junction as a result of heavy rain from thunderstorms.

Several inches of standing water occurred in a backyard as a result of heavy rain from thunderstorms.

The Holy Bucket trail in Grand Junction received damage as a result of flash flooding from heavy rains with thunderstorms.

Several trails in the Lunch Loops trail system in Grand Junction received damage as a result of flash flooding from heavy rains with thunderstorms.

Mud, trees, and rocks flowed through a normally dry arroyo near the Lunch Loops trailhead as a result of heavy rainfall upstream.