Red Flag Warning - Product issued when the forecast has a high degree of confidence that conditions will favorable for the ignition and spread of wild fires. The product does not necessarily indicate that a wild fire is ongoing, but that conditions are highly favorable.
Fire Warning - Product issued to inform the public of major, uncontrolled fires (usually wildfires) threatening populated areas and/or major roadways.
Specific Fire Weather Information from the NWS Norman, OK Forecast Office