Widespread thunderstorms are possible Wednesday which has prompted the NWS Medford to issue a Red Flag warning starting Wednesday at 11am.


Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
Klamath Basin and the Fremont-Winema National Forest-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
1208 PM PDT Tue Jul 21 2020

…RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 284 AND 285
IN CALIFORNIA AND FIRE WEATHER ZONES 624 AND 625 IN OREGON…

The National Weather Service in Medford has issued a Red Flag
Warning…which is in effect from 11 AM to 11 PM PDT Wednesday.
Therefore, the Fire Weather Watch has been upgraded to Red Flag
Warning.

* Impacts: Scattered cloud to ground lightning combined with High
Fire Danger is likely to result in a significant number of new
fire starts. Gusty outflow thunderstorm winds are possible which
could contribute to fire spread. While wetting rainfall is
possible in some areas, other areas will get lightning with
little or no rainfall. Therefore, initial attack resources could
be overwhelmed and holdover fires are possible.

* Affected area: In Northern CA Fire Zones…284…285.
In South Central OR Fire Zones…624…625.

* Thunderstorms: Scattered thunderstorms are expected.

* Wind: Gusty and erratic outflow wind gusts of 30 to 50 mph are
possible.

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions…

Abundant lightning on existing dry fuels is expected to cause
numerous new fire ignitions. Gusty and erratic outflow winds could
result in significant fire growth.