Winter Storm Warning
Expiring:
12/23/2014 12:00am
Areas affected:
Boulder, CO; Clear Creek, CO; Jefferson, CO; Larimer, CO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
552 AM MST SUN DEC 21 2014
...SIGNIFICANT WINTER STORM MOVING INTO THE NORTHERN AND CENTRAL
COLORADO MOUNTAINS...
.HEAVY SNOW AND STRONG WINDS WILL DEVELOP IN THE MOUNTAINS THIS
AFTERNOON AND CONTINUE TONIGHT INTO MONDAY AS A POWERFUL AND
MOIST PACIFIC JET STREAM PLOWS INTO THE CENTRAL ROCKIES. THE WORST
STORM CONDITIONS ARE ANTICIPATED TO REACH THE NORTHERN AND CENTRAL
MOUNTAINS INCLUDING THE INTERSTATE 70 CORRIDOR THIS AFTERNOON.
BLIZZARD CONDITIONS ARE POSSIBLE OVER HIGHER ELEVATIONS AND
EXPOSED AREAS BY THIS EVENING...INCLUDING THE HIGHER PORTIONS OF
INTERSTATE 70 AND LOVELAND...BERTHOUD...AND RABBIT EARS PASSES.
PEOPLE PLANNING TRAVEL IN THE COLORADO MOUNTAINS SUNDAY AFTERNOON
THROUGH MONDAY SHOULD SERIOUSLY CONSIDER ALTERING THEIR PLANS.
SIGNIFICANT DELAYS AND DANGEROUS CONDITIONS CAN BE EXPECTED...AND ROAD
CLOSURES WILL BE POSSIBLE. CONDITIONS WILL DETERIORATE QUICKLY
THIS AFTERNOON.
COZ031-033-034-212200-
/O.CON.KBOU.WS.W.0013.141221T1900Z-141223T0700Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
552 AM MST SUN DEC 21 2014
...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO
MIDNIGHT MST MONDAY NIGHT...
* TIMING...LIGHT SNOW WILL CONTINUE THIS MORNING. SNOW WILL
QUICKLY INCREASE IN INTENSITY THIS AFTERNOON WITH HEAVY SNOW AND
NEAR BLIZZARD CONDITIONS OVERNIGHT. LIGHTER SNOW WILL CONTINUE
MONDAY AND MONDAY NIGHT...BUT THERE WILL STILL BE EXTENSIVE
BLOWING SNOW AND POOR TRAVEL CONDITIONS.
* SNOW ACCUMULATIONS...14 TO 24 INCHES.
* WIND/VISIBILITY...WINDS OF 20 TO 40 MPH WILL BE COMMON...WITH
GUSTS AS HIGH AS 75 MPH OVER HIGHER EXPOSED AREAS. WIDESPREAD
BLOWING AND DRIFTING SNOW WILL DEVELOP THIS AFTERNOON...AND
BLIZZARD CONDITIONS MAY BECOME WIDESPREAD THIS EVENING.
* IMPACTS...TRAVEL CONDITIONS WILL DETERIORATE QUICKLY THIS
AFTERNOON. ROADS WILL BECOME SNOW PACKED WITH DRIFTING SNOW AND
NEAR ZERO VISIBILITIES IN WINDIER AREAS. ROAD CLOSURES ARE
POSSIBLE...AND CHAINS WILL LIKELY BE REQUIRED FOR COMMERCIAL
VEHICLES OVER THE PASSES. THERE IS A SIGNIFICANT THREAT OF
TRAVELERS BEING STRANDED FOR AN EXTENDED TIME WITH THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. HEAVY SNOW AND STRONG WINDS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. CONSIDER AVOIDING TRAVEL
IN THE WARNING AREA AS CONDITIONS WILL BECOME DANGEROUS. IF YOU
MUST TRAVEL...BE PREPARED FOR SLOW AND DIFFICULT DRIVING AND BE
PREPARED FOR THE POSSIBILITY OF ROAD CLOSURES OR BECOMING
STRANDED. CARRY WARM CLOTHING AND BLANKETS...EXTRA FOOD AND
WATER...A FULL GAS TANK...AND A SHOVEL IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

Winter Storm Warning
Expiring:
12/23/2014 12:00am
Areas affected:
Boulder, CO; Clear Creek, CO; Jefferson, CO; Larimer, CO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
552 AM MST SUN DEC 21 2014
...SIGNIFICANT WINTER STORM MOVING INTO THE NORTHERN AND CENTRAL
COLORADO MOUNTAINS...
.HEAVY SNOW AND STRONG WINDS WILL DEVELOP IN THE MOUNTAINS THIS
AFTERNOON AND CONTINUE TONIGHT INTO MONDAY AS A POWERFUL AND
MOIST PACIFIC JET STREAM PLOWS INTO THE CENTRAL ROCKIES. THE WORST
STORM CONDITIONS ARE ANTICIPATED TO REACH THE NORTHERN AND CENTRAL
MOUNTAINS INCLUDING THE INTERSTATE 70 CORRIDOR THIS AFTERNOON.
BLIZZARD CONDITIONS ARE POSSIBLE OVER HIGHER ELEVATIONS AND
EXPOSED AREAS BY THIS EVENING...INCLUDING THE HIGHER PORTIONS OF
INTERSTATE 70 AND LOVELAND...BERTHOUD...AND RABBIT EARS PASSES.
PEOPLE PLANNING TRAVEL IN THE COLORADO MOUNTAINS SUNDAY AFTERNOON
THROUGH MONDAY SHOULD SERIOUSLY CONSIDER ALTERING THEIR PLANS.
SIGNIFICANT DELAYS AND DANGEROUS CONDITIONS CAN BE EXPECTED...AND ROAD
CLOSURES WILL BE POSSIBLE. CONDITIONS WILL DETERIORATE QUICKLY
THIS AFTERNOON.
COZ031-033-034-212200-
/O.CON.KBOU.WS.W.0013.141221T1900Z-141223T0700Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
552 AM MST SUN DEC 21 2014
...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO
MIDNIGHT MST MONDAY NIGHT...
* TIMING...LIGHT SNOW WILL CONTINUE THIS MORNING. SNOW WILL
QUICKLY INCREASE IN INTENSITY THIS AFTERNOON WITH HEAVY SNOW AND
NEAR BLIZZARD CONDITIONS OVERNIGHT. LIGHTER SNOW WILL CONTINUE
MONDAY AND MONDAY NIGHT...BUT THERE WILL STILL BE EXTENSIVE
BLOWING SNOW AND POOR TRAVEL CONDITIONS.
* SNOW ACCUMULATIONS...14 TO 24 INCHES.
* WIND/VISIBILITY...WINDS OF 20 TO 40 MPH WILL BE COMMON...WITH
GUSTS AS HIGH AS 75 MPH OVER HIGHER EXPOSED AREAS. WIDESPREAD
BLOWING AND DRIFTING SNOW WILL DEVELOP THIS AFTERNOON...AND
BLIZZARD CONDITIONS MAY BECOME WIDESPREAD THIS EVENING.
* IMPACTS...TRAVEL CONDITIONS WILL DETERIORATE QUICKLY THIS
AFTERNOON. ROADS WILL BECOME SNOW PACKED WITH DRIFTING SNOW AND
NEAR ZERO VISIBILITIES IN WINDIER AREAS. ROAD CLOSURES ARE
POSSIBLE...AND CHAINS WILL LIKELY BE REQUIRED FOR COMMERCIAL
VEHICLES OVER THE PASSES. THERE IS A SIGNIFICANT THREAT OF
TRAVELERS BEING STRANDED FOR AN EXTENDED TIME WITH THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. HEAVY SNOW AND STRONG WINDS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. CONSIDER AVOIDING TRAVEL
IN THE WARNING AREA AS CONDITIONS WILL BECOME DANGEROUS. IF YOU
MUST TRAVEL...BE PREPARED FOR SLOW AND DIFFICULT DRIVING AND BE
PREPARED FOR THE POSSIBILITY OF ROAD CLOSURES OR BECOMING
STRANDED. CARRY WARM CLOTHING AND BLANKETS...EXTRA FOOD AND
WATER...A FULL GAS TANK...AND A SHOVEL IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

Winter Storm Warning
Expiring:
12/23/2014 12:00am
Areas affected:
Boulder, CO; Clear Creek, CO; Jefferson, CO; Larimer, CO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
552 AM MST SUN DEC 21 2014
...SIGNIFICANT WINTER STORM MOVING INTO THE NORTHERN AND CENTRAL
COLORADO MOUNTAINS...
.HEAVY SNOW AND STRONG WINDS WILL DEVELOP IN THE MOUNTAINS THIS
AFTERNOON AND CONTINUE TONIGHT INTO MONDAY AS A POWERFUL AND
MOIST PACIFIC JET STREAM PLOWS INTO THE CENTRAL ROCKIES. THE WORST
STORM CONDITIONS ARE ANTICIPATED TO REACH THE NORTHERN AND CENTRAL
MOUNTAINS INCLUDING THE INTERSTATE 70 CORRIDOR THIS AFTERNOON.
BLIZZARD CONDITIONS ARE POSSIBLE OVER HIGHER ELEVATIONS AND
EXPOSED AREAS BY THIS EVENING...INCLUDING THE HIGHER PORTIONS OF
INTERSTATE 70 AND LOVELAND...BERTHOUD...AND RABBIT EARS PASSES.
PEOPLE PLANNING TRAVEL IN THE COLORADO MOUNTAINS SUNDAY AFTERNOON
THROUGH MONDAY SHOULD SERIOUSLY CONSIDER ALTERING THEIR PLANS.
SIGNIFICANT DELAYS AND DANGEROUS CONDITIONS CAN BE EXPECTED...AND ROAD
CLOSURES WILL BE POSSIBLE. CONDITIONS WILL DETERIORATE QUICKLY
THIS AFTERNOON.
COZ031-033-034-212200-
/O.CON.KBOU.WS.W.0013.141221T1900Z-141223T0700Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
552 AM MST SUN DEC 21 2014
...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO
MIDNIGHT MST MONDAY NIGHT...
* TIMING...LIGHT SNOW WILL CONTINUE THIS MORNING. SNOW WILL
QUICKLY INCREASE IN INTENSITY THIS AFTERNOON WITH HEAVY SNOW AND
NEAR BLIZZARD CONDITIONS OVERNIGHT. LIGHTER SNOW WILL CONTINUE
MONDAY AND MONDAY NIGHT...BUT THERE WILL STILL BE EXTENSIVE
BLOWING SNOW AND POOR TRAVEL CONDITIONS.
* SNOW ACCUMULATIONS...14 TO 24 INCHES.
* WIND/VISIBILITY...WINDS OF 20 TO 40 MPH WILL BE COMMON...WITH
GUSTS AS HIGH AS 75 MPH OVER HIGHER EXPOSED AREAS. WIDESPREAD
BLOWING AND DRIFTING SNOW WILL DEVELOP THIS AFTERNOON...AND
BLIZZARD CONDITIONS MAY BECOME WIDESPREAD THIS EVENING.
* IMPACTS...TRAVEL CONDITIONS WILL DETERIORATE QUICKLY THIS
AFTERNOON. ROADS WILL BECOME SNOW PACKED WITH DRIFTING SNOW AND
NEAR ZERO VISIBILITIES IN WINDIER AREAS. ROAD CLOSURES ARE
POSSIBLE...AND CHAINS WILL LIKELY BE REQUIRED FOR COMMERCIAL
VEHICLES OVER THE PASSES. THERE IS A SIGNIFICANT THREAT OF
TRAVELERS BEING STRANDED FOR AN EXTENDED TIME WITH THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. HEAVY SNOW AND STRONG WINDS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. CONSIDER AVOIDING TRAVEL
IN THE WARNING AREA AS CONDITIONS WILL BECOME DANGEROUS. IF YOU
MUST TRAVEL...BE PREPARED FOR SLOW AND DIFFICULT DRIVING AND BE
PREPARED FOR THE POSSIBILITY OF ROAD CLOSURES OR BECOMING
STRANDED. CARRY WARM CLOTHING AND BLANKETS...EXTRA FOOD AND
WATER...A FULL GAS TANK...AND A SHOVEL IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

Winter Storm Warning
Expiring:
12/23/2014 12:00am
Areas affected:
Boulder, CO; Clear Creek, CO; Jefferson, CO; Larimer, CO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
552 AM MST SUN DEC 21 2014
...SIGNIFICANT WINTER STORM MOVING INTO THE NORTHERN AND CENTRAL
COLORADO MOUNTAINS...
.HEAVY SNOW AND STRONG WINDS WILL DEVELOP IN THE MOUNTAINS THIS
AFTERNOON AND CONTINUE TONIGHT INTO MONDAY AS A POWERFUL AND
MOIST PACIFIC JET STREAM PLOWS INTO THE CENTRAL ROCKIES. THE WORST
STORM CONDITIONS ARE ANTICIPATED TO REACH THE NORTHERN AND CENTRAL
MOUNTAINS INCLUDING THE INTERSTATE 70 CORRIDOR THIS AFTERNOON.
BLIZZARD CONDITIONS ARE POSSIBLE OVER HIGHER ELEVATIONS AND
EXPOSED AREAS BY THIS EVENING...INCLUDING THE HIGHER PORTIONS OF
INTERSTATE 70 AND LOVELAND...BERTHOUD...AND RABBIT EARS PASSES.
PEOPLE PLANNING TRAVEL IN THE COLORADO MOUNTAINS SUNDAY AFTERNOON
THROUGH MONDAY SHOULD SERIOUSLY CONSIDER ALTERING THEIR PLANS.
SIGNIFICANT DELAYS AND DANGEROUS CONDITIONS CAN BE EXPECTED...AND ROAD
CLOSURES WILL BE POSSIBLE. CONDITIONS WILL DETERIORATE QUICKLY
THIS AFTERNOON.
COZ031-033-034-212200-
/O.CON.KBOU.WS.W.0013.141221T1900Z-141223T0700Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
552 AM MST SUN DEC 21 2014
...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO
MIDNIGHT MST MONDAY NIGHT...
* TIMING...LIGHT SNOW WILL CONTINUE THIS MORNING. SNOW WILL
QUICKLY INCREASE IN INTENSITY THIS AFTERNOON WITH HEAVY SNOW AND
NEAR BLIZZARD CONDITIONS OVERNIGHT. LIGHTER SNOW WILL CONTINUE
MONDAY AND MONDAY NIGHT...BUT THERE WILL STILL BE EXTENSIVE
BLOWING SNOW AND POOR TRAVEL CONDITIONS.
* SNOW ACCUMULATIONS...14 TO 24 INCHES.
* WIND/VISIBILITY...WINDS OF 20 TO 40 MPH WILL BE COMMON...WITH
GUSTS AS HIGH AS 75 MPH OVER HIGHER EXPOSED AREAS. WIDESPREAD
BLOWING AND DRIFTING SNOW WILL DEVELOP THIS AFTERNOON...AND
BLIZZARD CONDITIONS MAY BECOME WIDESPREAD THIS EVENING.
* IMPACTS...TRAVEL CONDITIONS WILL DETERIORATE QUICKLY THIS
AFTERNOON. ROADS WILL BECOME SNOW PACKED WITH DRIFTING SNOW AND
NEAR ZERO VISIBILITIES IN WINDIER AREAS. ROAD CLOSURES ARE
POSSIBLE...AND CHAINS WILL LIKELY BE REQUIRED FOR COMMERCIAL
VEHICLES OVER THE PASSES. THERE IS A SIGNIFICANT THREAT OF
TRAVELERS BEING STRANDED FOR AN EXTENDED TIME WITH THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. HEAVY SNOW AND STRONG WINDS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. CONSIDER AVOIDING TRAVEL
IN THE WARNING AREA AS CONDITIONS WILL BECOME DANGEROUS. IF YOU
MUST TRAVEL...BE PREPARED FOR SLOW AND DIFFICULT DRIVING AND BE
PREPARED FOR THE POSSIBILITY OF ROAD CLOSURES OR BECOMING
STRANDED. CARRY WARM CLOTHING AND BLANKETS...EXTRA FOOD AND
WATER...A FULL GAS TANK...AND A SHOVEL IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.