URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 1103 PM PDT Wed Jun 23 2021 ...Scattered Thunderstorms Expected over Northern California Thursday Afternoon and Evening... .The low will move southward Thursday focusing scattered thunderstorm activity over Northern California. Signals are a bit mixed in the models, with some models hitting the Modoc area harder than Siskiyou County and others doing the opposite. We expect thunderstorms on Thursday to begin early and then end earlier than normal. CAZ280>282-284-285-250000- /O.CON.KMFR.FW.W.0011.210624T1900Z-210625T0200Z/ Western Klamath National Forest- Central Siskiyou County Including Shasta Valley-Shasta- Trinity National Forest in Siskiyou County- Siskiyou County from the Cascade Mountains East and South to Mt Shasta-Modoc County Except for the Surprise Valley- 1103 PM PDT Wed Jun 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM PDT THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280...281...282...284 AND 285... * Impacts: Lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Despite rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area: In Northern CA...Fire Weather Zones 280...281...282...284 and 285, this includes the the Klamath National Forest, Marble Mountains, Scott Bar Mountains, Shasta National Forest, Modoc National Forest, Lava Beds National Monument and the communities of Happy Camp, Seiad Valley, Etna, Fort Jones, Weed, Mt. Shasta City, Tennant, Canby, Alturas, and Willow Ranch.. * Wind: Gusty, quickly shifting outflow wind gusts up to 40 mph range are possible. * Thunderstorms: Scattered thunderstorms are expected. Isolated dry thunderstorms are also possible, but most are likely to produce at least some rainfall. * Additional Information: Thunderstorms Thursday are expected to move generally from east to west.