11:03 a.m.
WWUS45 KBOU 191701
WSWBOU
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
1101 AM MDT Mon Apr 19 2021
...HEAVY SNOW AND COLD TEMPERATURES THROUGH TONIGHT...
.Snow will develop and become heavy at times from north to south
across the Front Range this afternoon, and then continue through the
evening. Snowfall rates around one inch per hour can be expected
along the I-25 Corridor, and up to 2 inches per hour in the Front
Range Foothills. Temperatures will be cold, causing a possible flash
freeze on roads and very slick/hazardous travel conditions. The
evening commute will likely be impacted, especially by 5 pm along
the I-25 Corridor, and by 3 pm in the northern foothills.
COZ033-035-200300-
/O.CON.KBOU.WS.W.0006.210419T1800Z-210420T0900Z/
South and East Jackson/Larimer/North and Northeast
Grand/Northwest Boulder Counties Above 9000 Feet-Larimer and
Boulder Counties Between 6000 and 9000 Feet-
Including the cities of Glendevey, Nederland, Rocky Mountain
National Park, Laramie and Medicine Bow Mountains, Red Feather
Lakes, Cameron Pass, Estes Park, Willow Creek Pass, and Rabbit
Ears Range
1101 AM MDT Mon Apr 19 2021
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM MDT TUESDAY...
* WHAT...Heavy snow possible. Total snow accumulations of 6 to 14
inches possible within 12 hours. Winds could gust as high as 35
mph.
* WHERE...Rocky Mountain National Park and the Medicine Bow Range,
and The Northern Front Range Foothills.
* WHEN...Until 3 AM MDT Tuesday.
* IMPACTS...Snow covered roads will make travel hazardous. Travel
could be very difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Roads will be slick
resulting in slow and hazardous travel. Allow extra time to reach
your destination The latest road conditions for Colorado can be
obtained by calling 5 1 1 or by going to www.cotrip.org
&&
$$
COZ039-200300-
/O.CON.KBOU.WS.W.0006.210419T2100Z-210420T0900Z/
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
Including the cities of Boulder, Golden, Longmont, Arvada, and
Lakewood
1101 AM MDT Mon Apr 19 2021
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON
TO 3 AM MDT TUESDAY...
* WHAT...Snow expected. Total snow accumulations of 5 to 8 inches,
most of it within 6 to 9 hours, with locally heavier amounts near
the base of the foothills.
* WHERE...Boulder and the western suburbs of Denver.
* WHEN...From 3 PM this afternoon to 3 AM MDT Tuesday.
* IMPACTS...Snow covered roads will make travel hazardous. Travel
could be very difficult. The hazardous conditions will impact the
Monday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Roads will be slick
resulting in slow and hazardous travel. Allow extra time to reach
your destination The latest road conditions for Colorado can be
obtained by calling 5 1 1 or by going to www.cotrip.org
&&
$$
COZ042-044>046-048>051-200300-
/O.EXA.KBOU.WW.Y.0025.210419T2100Z-210420T0900Z/
Northeast Weld County-Morgan County-Central and East Adams and
Arapahoe Counties-North and Northeast Elbert County Below
6000 Feet/North Lincoln County-Logan County-Washington County-
Sedgwick County-Phillips County-
Including the cities of Wiggins, Fort Morgan, Hugo, Otis,
Julesburg, Sedgwick, Briggsdale, Leader, Sterling, Pawnee Buttes,
Cope, Akron, Raymer, Amherst, Ovid, Matheson, Peetz, Grover, Deer
Trail, Byers, Agate, Haxtun, Last Chance, Goodrich, Stoneham,
Bennett, Crook, Holyoke, Brush, Limon, and Merino
1101 AM MDT Mon Apr 19 2021
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 3
AM MDT TUESDAY...
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches.
Winds gusting as high as 35 mph.
* WHERE...Portions of east central and northeast Colorado.
* WHEN...From 3 PM this afternoon to 3 AM MDT Tuesday.
* IMPACTS...Snow covered roads will make travel hazardous. Plan on
slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Roads will be slick
resulting in slow and hazardous travel. Allow extra time to reach
your destination The latest road conditions for Colorado can be
obtained by calling 5 1 1 or by going to www.cotrip.org
&&
$$
COZ034-036-200300-
/O.CON.KBOU.WW.Y.0025.210419T1800Z-210420T0900Z/
South and Southeast Grand/West Central and Southwest
Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties
Above 9000 Feet-Jefferson and West Douglas Counties Above
6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below
9000 Feet-
Including the cities of Evergreen, Georgetown, Indian Peaks,
Idaho Springs, Eisenhower Tunnel, East Slopes Southern Gore
Range, Mount Evans, Central City, East Slopes Mosquito Range,
Breckenridge, Winter Park, Williams Fork Mountains, Bailey,
Kenosha Mountains, Westcreek, and Berthoud Pass
1101 AM MDT Mon Apr 19 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM MDT
TUESDAY...
* WHAT...Snow expected. Total snow accumulations of 6 to 12 inches
along and north of I-70, 4 to 7 inches to the south. Lighter snow
accumulations of 1 to 4 inches west of the Eisenhower Tunnel.
Winds gusting as high as 35 mph.
* WHERE...The Mountains of Summit County, the Mosquito Range, and
the Indian Peaks, and The Southern Front Range Foothills.
* WHEN...Until 3 AM MDT Tuesday.
* IMPACTS...Snow covered roads will make travel hazardous. Travel
could be very difficult. The hazardous conditions could impact the
Monday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Roads will be slick
resulting in slow and hazardous travel. Allow extra time to reach
your destination The latest road conditions for Colorado can be
obtained by calling 5 1 1 or by going to www.cotrip.org
&&
$$
COZ038-040-041-043-200300-
/O.CON.KBOU.WW.Y.0025.210419T2100Z-210420T0900Z/
Larimer County Below 6000 Feet/Northwest Weld 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-
Including the cities of Eaton, Highlands Ranch, Castle Rock, City
of Denver, Elbert, Fort Collins, Aurora, Roggen, Kiowa, Loveland,
Greeley, Littleton, Nunn, Larkspur, Fort Lupton, Fondis,
Hereford, Parker, Denver International Airport, and Brighton
1101 AM MDT Mon Apr 19 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 3 AM MDT TUESDAY...
* WHAT...Snow expected. Total snow accumulations of 3 to 6 inches,
with locally heavier amounts near the base of the foothills.
* WHERE...Fort Collins, Denver, Castle Rock, and Greeley.
* WHEN...From 3 PM this afternoon to 3 AM MDT Tuesday.
* IMPACTS...Snow covered roads will make travel hazardous. Plan on
slippery road conditions. The hazardous conditions will impact the
Monday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Roads will be slick
resulting in slow and hazardous travel. Allow extra time to reach
your destination The latest road conditions for Colorado can be
obtained by calling 5 1 1 or by going to www.cotrip.org
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
Meier