The National Weather Service in Eureka has issued a Red Flag Warning, which is in effect from 8 AM to 7 PM PDT Friday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...Northern Trinity and Humboldt Counties including fire weather zones 403, 406, 409, and 410.
* THUNDERSTORMS...Isolated, mostly dry thunderstorms may form over the higher terrain of northern Humboldt and Trinity counties as early as 4 AM Friday morning and then through Friday afternoon. Overall thunderstorm confidence remains very uncertain.
* OUTFLOW WINDS...Storms could produce gusty and erratic outflow winds up to 40 mph.
* IMPACTS...Thunderstorms may ignite new fires with dry fuels and in difficult to access locations. Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.