Fire Weather WarningIssued by the National Weather Service at 5:29 am CDT on March 20, 2010/
... Red flag warning in effect from 2 PM EDT /1 PM CDT/ this afternoon to 7 PM EDT /6 PM CDT/ this evening due to expected long durations of relative humidity below 35 percent along with high dispersion levels...
A red flag warning means that critical fire weather conditions are expected to occur this afternoon. Low relative humidity and high dispersion levels will enhance fire growth potential.