One or more of the following conditions, in conjunction with fuel conditions favorable to large fire growth, will be considered for Red Flag Events. However, these criteria are very generalized.

• Scattered dry thunderstorms - A lightning storm accompanied by less than a wetting rain, 0.10 inch precipitation or less, often with very gusty winds.
• Increased thunderstorm activity, wet or dry, during an extremely dry period.
• Strong or gusty surface winds (e.g., 15 mph sustained, 25 mph gusts), along with low relative humidities (e.g., less than 20 percent).
• Abrupt increase in winds and change in direction due to the approach and passage of a cold front, squall line, or other weather phenomena other than isolated thunderstorms.
• In coordination with customers, anytime the forecaster forsees a change in the weather that would result in a significant increase in fire danger.