WWUS85 KBOU 202135 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 335 PM MDT Tue Oct 20 2020 ...Red Flag Warning for Middle Park, South Park and the northern foothills due to low relative humidity and strong gusts... .Low relative humidity and strong wind gusts will lead to critical fire weather conditions in Middle Park, South Park and the northern foothills, beginning Wednesday at noon. Strong wind gusts up to 40 mph will be coincident with minimum humidities as low as 12 percent. The warning will expire for Middle Park and South Park at 7 PM MDT Wednesday due to a break in the wind gusts from the airmass decoupling, but will remain in effect in the northern foothills until 8AM Thursday due to poor humidity recovery overnight and a mountain wave set up to increase winds overnight in this area, as well as ongoing fire activity. Overnight maximum humidity in much of the zone will likely in the 20 to 30 percent range while winds increase with gusts 30 mph to as much as 50 mph. Highest wind gusts found mainly above 9000 feet. COZ213-214-210600- /O.NEW.KBOU.FW.W.0037.201021T1800Z-201022T0100Z/ Grand and Summit Counties Below 9000 Feet- Central and Southeast Park County- 335 PM MDT Tue Oct 20 2020 ...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR MIDDLE PARK AND SOUTH PARK... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 7 PM MDT Wednesday. * Affected Area...Fire Weather Zones 213 and 214. * Timing...Noon to 7 PM MDT, Wednesday. * Winds...Southwest 10 to 20 mph with gusts up to 35 mph. * Relative Humidity...As low as 12 percent. * Impacts...Critical fire weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ COZ215-210600- /O.NEW.KBOU.FW.W.0037.201021T1800Z-201022T1400Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet- 335 PM MDT Tue Oct 20 2020 ...RED FLAG WARNING IN EFFECT FROM NOON WEDNESDAY TO 8 AM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN FOOTHILLS... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon Wednesday to 8 AM MDT Thursday. * Affected Area...Fire Weather Zone 215. * Timing...From noon Wednesday to 8 AM MDT Thursday. * Winds...West 10 to 20 mph with gusts up to 40 mph. * Relative Humidity...As low as 16 percent. * Impacts...Critical fire weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$