Photos • Location


Bighorn_Fire Latitude and Longitude:
32°22′41″N 110°56′35″W / 32.378°N 110.943°W / 32.378; -110.943
From Wikipedia, the free encyclopedia
Bighorn Fire
Bighorn_Fire,_Arizona,_USA_-_June_18th,_2020_(50022001288)
Bighorn Fire seen from space on satellite image
Date(s)June 5, 2020 (2020-06-05) – July 23, 2020 (2020-07-23)
Location Santa Catalina Mountains, near Tucson, Arizona [1]
Coordinates 32°22′41″N 110°56′35″W / 32.378°N 110.943°W / 32.378; -110.943
Statistics
Burned area119,987 acres (48,557 ha)
Impacts
Non-fatal injuries7
Damage$37 million [2]
Ignition
CauseLightning
Map
Bighorn Fire is located in Arizona
Bighorn Fire
Location in Arizona

The Bighorn Fire was a wildfire in the Santa Catalina Mountains north of Tucson, Arizona. [3] It burned 119,987 acres (48,557 ha) until it was finally put out on July 23, 2020. A lightning strike from a storm at 9:46 PM on June 5, 2020 caused the fire. [1] The fire was named after the bighorn sheep that inhabit the area. [4]

The fire threatened hundreds of homes [5] and multiple evacuations occurred. The first evacuations occurred in the Catalina Foothills neighborhood in Northern Tucson. The following day, residents in the Oro Valley section of the Catalina Foothills were ordered to evacuate. [6] On June 16, Mount Lemmon and Summerhaven were evacuated. [7] The length of the burn was attributed to rough mountainous terrain and inaccessibility. Additionally, the dry hot weather of the area made it even more difficult to fight the fire. The first storms of Tucson’s monsoon season are credited with helping emergency crews get the fire under control and to eventually put it out. [8]

Ignition

The wildfire began with a lightning strike on June 5, 2020, which was caught on film by a local storm chaser. [9] The location was just below Bighorn Mountain, commonly conflated with nearby Pusch Ridge by the public.

Exacerbating Conditions

Because of new protocols to protect firefighting crews from Covid-19, the U.S. Forest Service modified its fire management approach to a "full suppression" effort for all fires, similar to pre-1972 strategies. [10] Despite these efforts for immediate full suppression, the fire spread largely uncontained, encouraged by several factors. The initial fire was partially fueled by invasive grass species including Buffelgrass, known for changing the fire ecology of much of Southern Arizona and the Western United states. [11] [12] The early efforts to control the fire with aircraft (air tankers and helicopters) were impeded by illegal use of drones by the public, resulting in lost opportunities to suppress the fire. [13] [14] Rugged terrain and high temperatures reduced the ability of firefighters to safely work against the fire. [15] High winds, especially on June 12th, 14th, and 17th, accelerated the fire and pushed it over fire lines and roads. [16] Dry conditions, drought, and delayed summer rains also contributed to drier fuels and heightened fire activity. [17]

References

  1. ^ a b "Incident Overview". InciWeb.
  2. ^ "UPDATE: Bighorn Fire". KOLD.com.
  3. ^ "Bighorn fire near Tucson has burned over 6,000 acres and is threatening hundreds of homes". CNN. 12 June 2020. Retrieved 12 June 2020.
  4. ^ "Bighorn Fire threatening 850 homes, has potential to become 'major disaster,' feds say". Tucson.com. 11 June 2020.
  5. ^ Devoid, Alex (11 June 2020). "Bighorn Fire map: Fire near Tucson threatening hundreds of homes". Archived from the original on 2020-06-12.
  6. ^ Childs, Jan Wesner (11 June 2020). "Arizona's Bighorn Wildfire Forces Evacuations Near Tucson". Archived from the original on 2020-06-12.
  7. ^ "Mount Lemmon, Summerhaven under evacuation as crews battle Bighorn Fire". Tucson.com. 16 June 2020.
  8. ^ "Bighorn Fire: First monsoon storm helps 'put a damper' on fire". Tucson.com. 12 July 2020.
  9. ^ Caballero, Luzdelia (2020-06-18). "Storm chaser captures bolt that started Bighorn fire". KGUN 9 Tucson News. Retrieved 2023-06-18.
  10. ^ Fillmore, Stephen D. (2020-06-10). "As a Virus Does, so Too a Fire". Slate. ISSN  1091-2339. Retrieved 2023-06-18.
  11. ^ desertmuseum (2021-02-18). "A Fiery Future: Learning From the Bighorn Fire". Desert Diaries. Retrieved 2023-06-18.
  12. ^ "Invasive grass is overwhelming U.S. deserts—providing fuel for wildfires". Travel. 2021-03-02. Archived from the original on March 2, 2021. Retrieved 2023-06-18.
  13. ^ Cross, Jim (2020-06-09). "Arizona fire officials say drone use interfering with work on Bighorn blaze". KTAR.com. Retrieved 2023-06-18.
  14. ^ Potter, Allie (2020-06-08). "Crews continue to battle the Bighorn Fire with only 10% containment". KVOA. Retrieved 2023-06-18.
  15. ^ "Buffelgrass, Wind and Tough Terrain: Bighorn Fire continues to grow, while firefighters face many obstacles". KGUN 9 Tucson News. 2020-06-25. Retrieved 2023-06-18.
  16. ^ Star, Arizona Daily (2020-06-29). "Tucson's Bighorn Fire: Windy, dry weather today could make for more fire, smoke". Arizona Daily Star. Retrieved 2023-06-18.
  17. ^ "Bighorn Fire Near Tucson Threatens Hundreds Of Homes". KJZZ. 2020-06-12. Retrieved 2023-06-18.
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