At 9 p.m. on 07/06/2012 a series of strong thunderstorm cells were identified by the National Weather Service heading for the Fourmile Burn Area. The storms are capable of producing 1/2 inch to 1 inch of rain over one hour. Given the previous steady rain throughout the day the National Weather Service issued a Flash Flood Watch at 9:05 p.m. for the Fourmile Burn Area. Due to the continuous rainfall and possible intensity a flash flood warning was issued at 9:15 p.m. for the same area and is in effect until midnight. Weather Advisory notices were sent to 365 phone numbers in the Fourmile Creek area. Evacuation notices were sent to 77 phone numbers in Fourmile Canyon Creek area affecting residences along Pinto Court and Wagon Wheel Gap Road.
The Boulder EOC is open and monitoring the situation and working closely with Sheriff's Deputies, Boulder Mountain Fire Protection District and Fourmile Fire Protection District officials. The City of Boulder is not under any flash flood warnings and there is not a threat to businesses or residences in the City of Boulder at this time.