Boulder Windstorm - December 20, 2004

On the morning of December 20, 2004 a downslope windstorm struck Boulder, CO. Wind gusts as high as 95 mph were reported in Superior, CO and winds gusted over 80 mph in Boulder. Downed trees, roof damage, and other minor property damage was common with this windstorm.

View the images below to see the details of this windstorm.

Sea-level pressure isobars and surface temperature

Rawinsonde Soundngs from Denver, CO

Wind speed and wind direction from the NCAR Foothills Lab in Boulder, CO