* Affected Area...Fire Weather Zone 270 Surprise Valley
California, Fire Weather Zone 278 Eastern Lassen County, Fire
Weather Zone 458 Northern Washoe County.

* Thunderstorms...A scattered mix of wet and dry thunderstorms
Friday morning, then increasing in coverage in the afternoon.

* Outflow Winds...Gusty and erratic thunderstorm outflow winds,
even well away from rain cores. Gusts to around 50 mph
possible.

* 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 before first responders can contain them.

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

The National Weather Service in Medford has issued a Fire Weather
Watch, which is in effect from late Thursday night through Friday
evening.

* IMPACTS...Abundant lightning on dry fuels can create many fire
starts. Any fires that develop could spread rapidly. Numerous
new fire starts could overwhelm initial attack.

* AFFECTED AREA...Fire weather zones 280,281,284 and 285 in
California. The majority of Siskiyou and Modoc Counties.

* THUNDERSTORMS...Moving north around 20 to 25 mph. Storm mode
will be a mix of dry and wet thunderstorms.

* OUTFLOW WINDS...Gusts up to 35 mph.

* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr

Follow all fire restrictions. Avoid activities that could cause
sparks. Visit weather.gov/medford/wildfire for links to fire
restrictions in your area.

A Fire Weather Watch means that critical fire weather conditions
are possible during the valid watch time. These conditions could
promote the rapid spread of wildfires which could become life-
threatening. Check weather.gov/medford for forecast updates and a
possible upgrade of the this watch to a Red Flag Warning.