California Severe Red Flag Warning | Effective 08/13/2026 12:47

Headline: 
Red Flag Warning issued August 13 at 12:47PM PDT until August 13 at 9:00PM PDT by NWS Sacramento CA
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
August 13, 2026 - 12:47pm
Expires: 
August 13, 2026 - 9:00pm
Description: 
* Affected Area...Fire Zone 136 Sierra (El Dorado-Amador) Above 5000 ft and Fire Zone 139 Sierra (Cal-Tuo) Above 5000 ft. * Thunderstorms...Isolated to scattered coverage of a mix of wet and dry thunderstorms expected. Lightning strikes may also occur outside of main precipitation cores. * Outflow Winds...Gusty and erratic outflow winds could occur near any thunderstorm development. * Impacts...Lightning can create new fire starts and may combine with strong outflow winds to cause a fire to rapidly grow in size and intensity.
Instruction: 
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Area Description: 
Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
Forcast Office: 
NWS Sacramento CA
Sender: 
w-nws.webmaster@noaa.gov