Flood surge of 2-3 feet reported along Buckhorn Creek amid Larimer flash flood warning


Update, 5 p.m. Friday: Between a half inch and 1.5 inches of rain have fallen on a hazard area including Pingree Park, Hourglass Reservoir, Comanche Reservoir and Fish Creek in central Larimer County, according to an updated flash flood warning issued Friday afternoon by the National Weather Service.

That warning area is one of two under flash flood warning, as flooding farther east is impacting Buckhorn Creek and areas of Larimer County Roads 44H and 27 between Crystal Mountain and Masonville.

Update, 4:30 p.m. Friday: The National Weather Service is warning of “life-threatening flooding” in central Larimer County as a flash flood warning for the Cameron Peak Fire burn scar is in effect through 6:30 p.m.

According to the National Weather Service in Boulder, a surge of 2 to 3 feet of water on the Buckhorn Creek has been reported, which is expected to impact areas downstream toward Masonville, including the Larimer County Road 27 corridor.

Mountain residents and emergency personnel on scene have reported that Crystal Mountain Road as it comes off Larimer County 44H is impassible, and Buckhorn Creek is rising.

Emergency management officials say 1-2 inches of rain have fallen in area of Pennock Pass, Crystal Mountain and Buckhorn Road.

As of 4:30 p.m., there are two flash flood warnings encompassed by a larger flood advisory in effect until 7:15 p.m. in the burn scar. A second warning, issued for an area farther west of the foothills, is in effect until 7:30 p.m.

Update: 3:45 p.m. Friday: The Larimer County Sheriff’s Office is monitoring flooding issues along the Buckhorn Road (Larimer County Road 44H) and Larimer County Road 27 area north of Masonville as water is rising.

It asks those east of Pennock Pass along Buckhorn Road to Larimer County Road 27 (Stove Prairie Road) and south along County Road 27 to the Masonville/Bobcat Ridge area, to pay close attention to the weather conditions and rising water. Those people in the area are asked to prepare to leave the area or climb to higher ground if conditions worsen.

Do not drive through flooded areas. If your vehicle stalls, leave it immediately and seek higher ground.Original story: The National Weather Service in Boulder has issued a flash flood warning for two large areas of the Cameron Peak burn scar in Larimer County, including for the Miller Fork, Crystal Mountain, Buckhorn Canyon, Pingree Park and Rustic areas, until 6:30 p.m. Friday.

Just before 2 p.m., doppler radar indicated thunderstorms producing 0.75 inches to 1.25 inches of rainfall per hour in the warning area, the alert said. Flash flooding was ongoing or expected to begin shortly in the following areas: Pennock Pass, Box Prairie, upper and lower Buckhorn Canyon along Larimer County Road 44H, Monument Gulch, Jacks Gulch and upper and lower Pingree Park Road.

People in the warning area should seek higher ground immediately. Rock slides and debris flows are expected, along with the flooding of rural roads.

At 3:20 p.m., the weather service issued a flood advisory for portions of the Cameron Peak burn area between Pingree Park and Rustic, including Sky Ranch, until 6:15 pm. At 3:30 p.m. that advisory area was upgraded to a warning.

More:Flash flood survivor: ‘When they say flash flood, take it seriously’

Here is how to sign up for free alerts

Visit LETA’s alert website at https://nocoalert.org/ to sign up. Log into your account or create an account. Then go to ”my subscriptions,” select “event alerts” and then select the categories you would like alerts for and fill out the information. The system can send you alerts via cellphone, landline and email.

For text messages only for flash flood warnings in Larimer County’s burn scar, text FLOOD2022 to 888777.

For text messages only for an array of emergency events throughout Larimer County, text NOCOAlert to 888777.

For more information, visit https://nocoalert.org/.

More:Signing up for these Larimer County emergency alerts could save your life

Follow these social media sites

Alerts and other important weather information are updated as conditions change on the weather service in Boulder’s Twitter account at twitter.com/nwsboulder, on its Facebook page at www.facebook.com/NWSBoulder or its website at www.weather.gov/bou/.

The Larimer County Sheriff’s Office Twitter account at twitter.com/LarimerSheriff and Poudre Fire Authority’s Twitter account at twitter.com/poudrefire share important notifications.

You can also find LETA on social media at www.facebook.com/LETA911 on Facebook and twitter.com/LETA_911 on Twitter.

Reporter Miles Blumhardt looks for stories that impact your life. Be it news, outdoors, sports — you name it, he wants to report it. Have a story idea? Contact him at milesblumhardt@coloradoan.com or on Twitter @MilesBlumhardt.

Support his work and that of other Coloradoan journalists by purchasing a digital subscription today.