The National Weather Service in Mount Holly, New Jersey has issued a Red Flag Warning for gusty winds and low relative humidity from 11am to 8pm Wednesday evening. The previously issued Fire Weather Watch is no longer in effect.
Winds West 10 to 15 mph with gusts up to 30 mph. Relative humidity as low as 25 percent. Afternoon high temperatures in the upper 70s to low 80s.
Affected areas include Carbon, Monroe, Berks, Lehigh, Northampton, Delaware, Philadelphia, Western Chester, Eastern Chester, Western Montgomery, Eastern Montgomery, Upper Bucks and Lower Bucks.
Critical fire weather conditions are expected. There will be increased risk for rapid wildfire growth and spread.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly due to a combination of strong winds, low relative humidity, and dry fuels. Any fires that develop may quickly get out of control and become difficult to contain.