Winter Storm, Red Flag, High Wind, Avalanche Warnings December 29-30, 2024

BULLETIN - IMMEDIATE BROADCAST REQUESTED AVALANCHE WARNING COLORADO AVALANCHE INFORMATION CENTER RELAYED BY NATIONAL WEATHER SERVICE DENVER/BOULDER CO
439 PM MST SAT DEC 28 2024

THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER.

...AVALANCHE WARNING IN EFFECT THROUGH MONDAY...

*WHAT...Heavy snowfall and strong winds are resulting in very dangerous avalance conditions. Avalanches will run naturally and long distances. Avalanches will also be very easy to trigger by people recreating on steep slopes in the backcountry.

*WHERE...Portions of the Front Range Mountains including the Indian Peaks Wilderness, James Peak Wilderness, and Rocky Mountain National Park.

*WHEN...Saturday evening through Monday evening

*IMPACTS...Large and dangerous avalanches will be very easy to trigger in many places. Avalanches will release naturally.

*PRECAUTION/PREPAREDNESS ACTIONS...Travel in backcountry avalanche terrain is not recommended in the mentioned areas. Avoid travel on and under slopes steeper than about 30 degrees. You can find more detailed information at colorado.gov/avalanche

Elevated to critical fire conditions will develop by mid morning Monday and continue through late afternoon. Wind gusts to 60 mph along with humidity levels down to 20 percent will occur.

Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Denver/Boulder CO
246 PM MST Sun Dec 29 2024

COZ216-238>241-243-245>247-301200-
/O.CON.KBOU.FW.W.0034.241230T1400Z-241231T0000Z/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet-Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County-Central and East Adams and Arapahoe Counties-North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Southeast Elbert County Below 6000 Feet/South Lincoln County-
246 PM MST Sun Dec 29 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM 7 AM TO 5 PM MST MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN FRONT RANGE FOOTHILLS...I-25 URBAN CORRIDOR...AND ADJACENT PLAINS...FIRE WEATHER ZONES 216...238 THROUGH 240...AND 245 THROUGH 247...

* AFFECTED AREA...Fire Weather Zones 216, 238, 239, 240, 241, 243, 245, 246 and 247.

* TIMING...From 7 AM to 5 PM MST Monday.

* WINDS...Northwest 30 to 40 mph with gusts up to 65 mph.

* RELATIVE HUMIDITY...20-26 percent.

* IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.

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.

We have upgraded to a HIGH WIND WARNING for Monday.

Wind gusts up to 60 mph are expected for the eastern plains. Wind gusts up to 75 mph are expected for the foothills.

Gusty winds can blow around unsecured objects, cause power outages & make travel difficult.

High Wind Warning

URGENT - WEATHER MESSAGE
National Weather Service Denver CO
217 PM MST Sun Dec 29 2024

COZ035-036-300700-
/O.UPG.KBOU.HW.A.0007.241230T1200Z-241230T2100Z/
/O.NEW.KBOU.HW.W.0010.241230T0900Z-241230T2000Z/
Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Nederland, Estes Park, Evergreen, Bailey, Westcreek, Red Feather Lakes, Glendevey, Central City, Georgetown, and Idaho Springs
217 PM MST Sun Dec 29 2024

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 1 PM MST MONDAY...

* WHAT...West winds 30 to 40 mph with gusts up to 75 mph expected.

* WHERE...The Northern Front Range Foothills, and The Southern Front Range Foothills.

* WHEN...From 2 AM to 1 PM MST Monday.

* IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.

&&

Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-
Including the cities of City of Denver, Larkspur, Kiowa, Fondis, Elbert, Loveland, Hereford, Littleton, Golden, Parker, Lakewood, Longmont, Boulder, Arvada, Nunn, Brighton, Denver International Airport, Castle Rock, Fort Collins, Highlands Ranch, and Aurora
217 PM MST Sun Dec 29 2024

...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 2 PM MST MONDAY...

* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. Gusts to 75 mph are possible near the foothills.

* WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, and Castle Rock.

* WHEN...From 5 AM to 2 PM MST Monday.

* IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Strong winds will likely lead to rapid fire growth of any new fire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown around or damaged by the wind.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.