WWUS45 KBOU 191026
WSWBOU
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
426 AM MDT Mon Apr 19 2021
...HEAVY SNOW AND MUCH COLDER TEMPERATURES LATER TODAY...
.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 drop quickly, 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.
COZ033-035-191830-
/O.UPG.KBOU.WW.Y.0025.210419T1800Z-210420T0900Z/
/O.NEW.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
426 AM MDT Mon Apr 19 2021
...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 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...From Noon today to 3 AM MDT Tuesday.
* IMPACTS...Travel could be very difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.
org
&&
$$
COZ039-191830-
/O.UPG.KBOU.WW.Y.0025.210419T2100Z-210420T0900Z/
/O.NEW.KBOU.WS.W.0006.210419T2100Z-210420T0900Z/
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
Including the cities of Boulder, Golden, Longmont, Arvada, and
Lakewood
426 AM MDT Mon Apr 19 2021
...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM
MDT TUESDAY...
* WHAT...Snow expected. Total snow accumulations of 5 to 8 inches,
most of it within 6 to 9 hours, with locally heavier amounts near
the base of the foothills.
* WHERE...Boulder and the western suburbs of Denver.
* WHEN...From 3 PM this afternoon to 3 AM MDT Tuesday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Monday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.
org
&&
$$
COZ034-036-191830-
/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
426 AM MDT Mon Apr 19 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 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...From Noon today to 3 AM MDT Tuesday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Monday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for Colorado can be obtained by calling 5 1 1 or by going
to
www.cotrip.org
&&
$$
COZ038-040-041-043-191830-
/O.CON.KBOU.WW.Y.0025.210419T2100Z-210420T0900Z/
Larimer County Below 6000 Feet/Northwest Weld County-North
Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County-Elbert/Central and East Douglas
Counties Above 6000 Feet-Central and South Weld County-
Including the cities of Eaton, Highlands Ranch, Castle Rock, City
of Denver, Elbert, Fort Collins, Aurora, Roggen, Kiowa, Loveland,
Greeley, Littleton, Nunn, Larkspur, Fort Lupton, Fondis,
Hereford, Parker, Denver International Airport, and Brighton
426 AM MDT Mon Apr 19 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 3 AM MDT TUESDAY...
* WHAT...Snow expected. Total snow accumulations of 3 to 6 inches,
with locally heavier amounts near the base of the foothills.
* WHERE...Fort Collins, Denver, Castle Rock, and Greeley.
* WHEN...From 3 PM this afternoon to 3 AM MDT Tuesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Monday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for Colorado can be obtained by calling 5 1 1 or by going
to
www.cotrip.org
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
Kriederman