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Tuesday, July 14, 2015

Yosemite Fire Update - New lightning caused fires [MAP]

Yosemite Fire Update #6, July 14, 2015

Although the park found more fires, the accompanying rain from last week's thunderstorms tempered growth on most of the active fires.  Over and inch was received in the higher elevations.

Yosemite lightning caused fires map
 Yosemite lightning caused fires map

New lightning caused fires:
Thunderstorms came through the park starting July 1, and remained active through July 11. Yosemite National Park has 9 lightning-caused fires. These kinds of fires can take days or weeks to detect because vegetation has to dry out enough to create smoke or visible flames after the storm passes over. Additional fires may be discovered, as temperatures remain warm and fuels dry out.

Most of these fires are small; single tree strikes that amount to less than a tenth of an acre. These fires are in the wilderness and are being monitored by either fire crews hiking into the fire areas or via air reconnaissance due to location, sparse fuels, and low growth potential. Yosemite and Point Reyes fire crews are monitoring all fires.

Blue Jay (37 47.204 x 119 39.183 – Mariposa Co., 8500’ el., 7/7). There is no smoke showing from this fire.

Dark (37 50.575 x 119 37.153 – Mariposa Co., 8200’ el., 7/ 9). This lightning caused fire is along the Yosemite Creek Campground Rd. Two red fir trees were struck and the surface fuels were ignited. It is at .1ac and is being monitored.

Morrison (37 54.0 x 119 38.8 – Tuolumne Co., 8100’ el., 7/9). This fire is east of White Wolf and in an area of many past lightning fires. It is .1ac, with low potential for growth.

Horse (37 37.3 x 119 34.1 – Mariposa Co., 8500’ el., 7/9). This high elevation fire is one single tree struck and smoking and is east of Ostrander Lake. It is .1ac, is surrounded by granite and has low potential for growth.

Clark (37 41.0 x 119 29.6 – Mariposa Co., 7500’ el., 7/9). This is west of Clark Peak. A single tree was seen smoking and it is at .1 ac., with low growth potential.

Indian Canyon (37 47.532 x 119 35.148 - Mariposa Co. at 7200’ el., 7/ 3). This fire is between the Tioga Rd and the Yosemite Valley. It is .5 acre in size, and is smoldering and creeping, with a low rate of spread. It is an area of few recent fires.

McGurk (37 40.969 x 119 37.232 - Mariposa Co. at 7800’ el., July 2). This fire is within the McGurk Meadow, near a trail to Dewey Point from Glacier Point Road. It is at .2ac and has low potential for spread.

Porcupine Flat (37 48.962 x 119 34.416 - Mariposa Co., at 8000’, July 3). The top of a single green red fir tree was struck by lightning. There is no ground fire, but smoke may be seen from the Tioga Road. It has low potential for growth.

White Cascade (37 54.926 x 119 23.780 - Tuolumne Co, at 9000’ el., July 3). This is a remote fire near Glen Aulin High Sierra camp and west of Tuolumne Meadows. It poses no threat to trails and has a low spread potential.

Fires declared out:
Grove (37 45.968 X 119 48.261 – Mariposa Co.) This fire has been declared out July 9.

Smokey Jack (37 49.693 x 119 41.189 - Tuolumne Co.) This fire has been declared out July 9.

Others: Gin and East Gin were put out.

As with all fires, staff and visitor safety is of paramount importance. Each fire, regardless of size, is assessed for the appropriate course of action. At this time there are no road or trail closures and the park remains open. Smoke is staying local over the fires and has not been observed traveling to any smoke sensitive areas. 

All visitors are urged to use established campgrounds for fires. In all campfires, when departing, please be sure fires are completely out.

Thank you for your continued interest in Yosemite Fire and Aviation Management.
For More Information.

Fire information:, (209) 372-0480
Yosemite Web:
Yosemite Wildland Fire Facebook:

Twitter links

****REMINDER**** Every fire has the ability to be catastrophic. The wildland fire management environment has profoundly changed. Growing numbers of communities, across the nation, are experiencing longer fire seasons; more frequent, bigger, and more severe, fires are a real threat. Be careful with all campfires and equipment.
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