NWS feedSource freshLast successful check:
Active official alertUpdated

Red Flag Warning for San Luis Obispo County Mountains

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Severe
Official urgency
Expected
Official certainty
Likely

What is happening

Impacts: Moderate risk for frequent fire starts associated with dry lightning. Additionally, there is a significant risk of large plume dominated fires with rapid fire spread and extreme fire behavior.

What the bulletin says to do

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information.

Full official description

Bulletin details

...RED FLAG WARNING IN EFFECT THROUGH 3 PM FRIDAY FOR MANY INTERIOR PORTIONS OF SOUTHWEST CALIFORNIA DUE TO EXTREME HEAT AND INSTABILITY ALONG WITH LOCALLY GUSTY WINDS AND LOW HUMIDITIES... ...RED FLAG WARNING IN EFFECT FROM FRIDAY 5 AM THROUGH 3 PM ACROSS ALL OF SAN LUIS OBISPO COUNTY TO DO POTENTIAL FOR DRY LIGHTNING... .A very hot and unstable air mass combined with locally gusty winds and low humidities will bring a significant risk of large plume dominated fires with rapid spread and extreme fire behavior. Additionally, tropical moisture streaming across our area will bring a 15-25 percent chance of thunderstorms to the region, with a moderate risk for frequent fire starts across San Luis Obispo County due to dry lightning potential. The National Weather Service in Los Angeles/Oxnard has issued a Red Flag Warning for potential for dry lightning, which is in effect from 5 AM to 3 PM PDT Friday. * THUNDERSTORMS...Moderate risk for dry lightning with minimal rain as well as gusty and erratic winds. * TEMPERATURES...Highs 100 to 110 across the lower mountains, adjacent foothills, and 85 to 95 across higher mountains. Very deep mixing heights of 12,000 to 17,000 feet today, slightly lower on Friday. * IMPACTS...Moderate risk for frequent fire starts associated with dry lightning. Additionally, there is a significant risk of large plume dominated fires with rapid fire spread and extreme fire behavior.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Red Flag Warning issued August 27 at 1:33PM PDT until August 28 at 3:00PM PDT by NWS Los Angeles/Oxnard CA

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Los Angeles/Oxnard CA. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections