“Today is a new day and I expect it to be a day of offensive firefighting,” Larimer County Sheriff Justin Smith said in a Facebook post Sunday.
Dry conditions and strong winds pushed the Calwood and Cameron Peak fires to the east Saturday. The record-breaking Cameron Peak fire, which has been burning since August, grew to 203,253 acres Sunday morning and is 62 percent contained. The Calwood fire, which ignited around noon Saturday, grew to 8,788 acres with 5 percent containment Sunday morning. It is the largest registered fire in Boulder County history.
The cold front did not cause heavy rainfall, and fire authorities at both fires are preparing for windy conditions on Sunday. The winds are expected to push the bonfires generally to the west and northwest.
Air fire fighting on the Calwood fire was grounded in the morning due to weather, but Jennifer Bray, a communications specialist for the city of Boulder who works on the fire, said crews hit the fire hard from the ground. Crews are out to assess the damage today to both Calwood and Cameron Peak fires, as conditions allow. Bray urged residents to stay out of evacuation zones and refrain from flying drones near fires.
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Firefighting efforts on the Cameron Peak fire are focused on its northeastern edge and on a fire near Lory State Park. In a Facebook update, Paul Delmerico, head of the operations section by the fire, said the crews made good progress overnight and expect to do more on Sunday as cool, wet weather slows the spread of the fire.
Officials have asked residents of Lyons north of Boulder to prepare to evacuate today. They lifted evacuations toward the plains east of the foothills, where a spot-driven by wind caught Saturday. A map of evacuations to the Calwood fire can be found here.