Detwiler Fire Explained

Detwiler Fire
Reference:[1]
Location:Lake McClure, Mariposa County, California
Coordinates:37.6176°N -120.2132°W
Pushpin Map:USA California
Pushpin Map Caption:Location in California
Area:81826acres
Buildings:131 structures (63 homes), 21 damaged
Cause:Firearm Discharge (Under further investigation)
Evacuated:~4,000

The Detwiler Fire was a wildfire that burned across Highway 49, east and south of Lake McClure, in Mariposa County, California. Ignited shortly before 4 p.m. on Sunday, July 16, 2017, the fire consumed up to within its first day of burning.[2] By Thursday morning, on July 20, the fire was over in size with only 7 percent containment.

Progression

First reported at 3:56 p.m., the Detwiler fire was reported burning near Detwiler Road and Hunters Valley Road, 2 miles east of Lake McClure. Within three hours, it had grown to over 1,000 acres as it spread primarily to the northeast. Mandatory evacuations were ordered for all homes along Detwiler Road, Hunters Valley Road, and Hunters Valley Access Road.[3] A Red Cross Evacuation Shelter was set up at McCay Hall, in Catheys Valley.[3] By nightfall, the fire was 2,500 acres in size with zero percent containment.

On the morning of Monday, July 17, the fire reached a reported with still zero percent containment, as intense heat, windy conditions, and limited resources hampered suppression efforts.[4] Severe fire actively further lead to the evacuation of the Bear Valley area, south of the fire. Highway 49 was also closed due to the fire.[4]

A state of emergency was declared on Tuesday, July 18, 2017, as the fire exploded to over 25000acres within the day. The entire community of Mariposa was put under a mandatory evacuation order as over 5,000 structures were threatened.[5] Yosemite National Park remained open, however some access roads were closed and the fire caused smoky conditions throughout the park.[6]

By the morning of Friday, July 21, the fire had been reported at 74,083 acres at 15% containment. 118 structures had been reported destroyed, with 58 of those being homes. As of 11:00 AM that day, the evacuation of Mariposa was lifted.[7]

Over the weekend of July 22 and 23, further evacuation orders were lifted for the surrounding affected areas and by July 24, the fire had burned 76,500 acres and was estimated at 50% containment. Within the following days, fire crews had made significant headway, and by Wednesday, July 26, the fire was at 80,250 acres as containment had grown to 65% containment.[8]

By the evening of Friday, August 4, CAL FIRE reported the fire to be at 97% containment. The cause of the fire was determined to be firearm-related, though specific details had not been released to the general public.[9]

On August 24, the fire was declared fully contained, after weeks of burning.[10]

Effects

By July 19, about 4,000 people were under evacuation orders. Close to 8,500 people lost power when the fire damaged power lines in the area. Yosemite National Park also lost power for several hours on July 18.[11]

Notes and References

  1. Web site: Detwiler Fire. CAL FIRE. July 16, 2017. July 20, 2017. https://web.archive.org/web/20170720011756/http://www.fire.ca.gov/current_incidents/incidentdetails/Index/1672. dead.
  2. Web site: Wildfire near Lake McClure forces evacuations in Mariposa County. James. Cory. ABC30 News. https://archive.today/20171020220710/http://abc30.com/news/detwiler-fire-grows-to-15500-acres-5-percent-contained/2229350/. 20 October 2017. live. 16 July 2017.
  3. Web site: Wildfire Near Lake McClure Forces Evacuations. Clugston. Gina. Sierra News Online. 16 July 2017 . https://archive.today/20171020220851/http://sierranewsonline.com/wildfire-near-Lake-mcclure-forces-evacuations/. 20 October 2017. live. 16 July 2017.
  4. Web site: Evacuations Expand As Detwiler Fire Grows, Resources Stretched Thin. Clugston. Gina. Sierra News Online. 17 July 2017 . https://archive.today/20171020220959/http://sierranewsonline.com/evacuations-expand-as-detwiler-fire-grows-resources-stretched-thin/. 20 October 2017. live. 17 July 2017.
  5. Web site: Smith. Scott. Sonner. Scott. California wildfire near Yosemite threatens 5,000 homes; town evacuated. The Mercury News. 19 July 2017 . 19 July 2017.
  6. Web site: Bacon. John. Thousands flee flames roaring near Yosemite National Park. USA Today. 19 July 2017.
  7. Web site: Detwiler Fire evacuation orders lifted for the town of Mariposa. ABC30 News. 20 July 2017.
  8. Web site: Update: Detwiler Fire Acreage Slightly Increases, More Evacuation Orders Lifted. Hansen. B.J.. July 26, 2017. MyMotherLode.com. July 26, 2017.
  9. Web site: Investigators have determined the cause of the Detwiler fire. August 4, 2017. ALLmercednews. August 4, 2017. https://web.archive.org/web/20170805101042/http://allmercednews.com/2017/08/04/investigators-have-determined-the-cause-of-the-detwiler-fire/. August 5, 2017. dead.
  10. Web site: Mariposa picking up the pieces after Detwiler Fire.
  11. News: Rocha . Veronica . Bernhard . Meg . July 19, 2017 . Mariposa County fire doubles in size as flames force thousands to flee and threaten power to Yosemite . Los Angeles Times . November 28, 2023 . https://web.archive.org/web/20221108214628/https://www.latimes.com/local/lanow/la-me-ln-detwiler-fire-mariposa-yosemite-20170719-htmlstory.html . November 8, 2022.