A POTENT WINTER STORM ORGANIZING OFF THE SOUTHERN CALIFORNIA COAST TODAY WILL LIFT EASTWARD TOWARD THE FOUR CORNERS REGION OVERNIGHT...THEN MOVE ACROSS SOUTHERN COLORADO FRIDAY AFTERNOON. EARLY FRIDAY MORNING...A STRONG SOUTHWEST FLOW ALOFT WILL SPREAD SNOW SHOWERS INTO THE SOUTHWEST SAN JUAN MOUNTAINS BEFORE SUNRISE. THE SNOWFALL WILL INCREASE IN COVERAGE AND INTENSITY THROUGH THE MORNING...REACHING THE CENTRAL COLORADO MOUNTAINS BY NOON. THE BEST CHANCE FOR QUICKLY ACCUMULATING SNOWFALL WILL OCCUR FRIDAY MORNING INTO THE EARLY EVENING HOURS WHEN MOISTURE AND LIFT FROM THIS SYSTEM MERGE OVER THE AREA. CONFIDENCE IS HIGH THAT NEW SNOW ACCUMULATION NEAR A FOOT FALL OVER MUCH OF THE SAN JUAN MOUNTAINS AND THE SOUTHERN UNCOMPAHGRE PLATEAU. THE SOUTHERN ADJACENT FOOTHILLS AND VALLEYS WILL ALSO SEE SOME SIGNIFICANT AMOUNTS OVER 6 INCHES.
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A WINTER STORM WARNING IS IN EFFECT FROM 3 AM FRIDAY TO 6 AM MST SATURDAY FOR THE FOLLOWING AREAS:
- SOUTHWEST SAN JUAN MOUNTAINS
- FOUR CORNERS/UPPER DOLORES RIVER
- ANIMAS RIVER BASIN
- SAN JUAN RIVER BASIN
THE WINTER STORM WARNING INCLUDES THE CITIES OF SILVERTON...RICO...HESPERUS...CORTEZ... DOVE CREEK...MANCOS...DURANGO...BAYFIELD...IGNACIO... PAGOSA SPRINGS AND VICINITY
* TIMING...LIGHT SNOWFALL MAY BEGIN AS EARLY AS MIDNIGHT ACROSS THE HIGHER ELEVATIONS OF THE SOUTHERN SAN JUAN MOUNTAINS. THE INTENSITY AND COVERAGE OF THIS SNOW FALL WILL INCREASE THROUGH SUNRISE ACROSS THE SOUTHERN MOUNTAINS AND ADJACENT VALLEYS. PERIODS OF MODERATE TO HEAVY SNOW...WITH SNOWFALL RATES OVER AN INCH PER HOUR...WILL CONTINUE INTO THE LATE AFTERNOON HOURS OVER MUCH OF SOUTHWEST COLORADO.
* SNOW ACCUMULATION...OVER A FOOT OF SNOWFALL IS EXPECTED IN THE SOUTHERN SAN JUAN MOUNTAINS BY SUNS RISE ON SATURDAY...WITH LOCALLY HIGH AMOUNTS POSSIBLE ON SOUTH AND WEST FACING SLOPES. 5 TO 9 INCHES OF SNOWFALL CAN BE EXPECTED IN THE ADJACENT SOUTHERN FOOTHILLS WITH LOCAL AMOUNTS NEAR A FOOT POSSIBLE BY SATURDAY MORNING.
* SNOW LEVEL...NEAR 6000 FEET EARLY FRIDAY LOWERING TO ALL VALLEY FLOORS FRIDAY NIGHT.
* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 30 MPH FRIDAY MORNING THEN SHIFTING TO WEST AND NORTHWEST FRIDAY AFTERNOON AND OVERNIGHT.
* VISIBILITY...LESS THAN 1/2 MILE IN MODERATE TO HEAVY SNOW AND BLOWING SNOW.
* IMPACTS...SNOW AND BLOWING SNOW WILL CAUSE POOR TRAVEL CONDITIONS AS ROADWAYS BECOME ICY AND SNOW PACKED AND RESTRICTED VISIBILITY TO NEAR WHITEOUT AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
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A WINTER STORM WARNING IS IN EFFECT FROM 3 AM FRIDAY TO 6 AM MST SATURDAY FOR THE FOLLOWING AREAS...
- UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE
...INCLUDING THE CITIES OF...RIDGWAY...GLADE PARK
* TIMING...LIGHT SNOWFALL MAY BEGIN AS EARLY AS MIDNIGHT ACROSS THE HIGHER ELEVATIONS OF THE SOUTHERN PLATEAU. THE INTENSITY AND COVERAGE OF THIS SNOW FALL WILL INCREASE THROUGH SUNRISE WITH THE HEAVIEST SNOW FALLING LATE MORNING FRIDAY INTO THE MID EVENING HOURS. PERIODS OF MODERATE TO HEAVY SNOW...WITH SNOWFALL RATES OVER AN INCH PER HOUR CAN BE EXPECTED.
* SNOW ACCUMULATION...10 TO 14 INCHES WITH LOCALLY HIGH AMOUNTS POSSIBLE.
* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 30 MPH FRIDAY MORNING SHIFTING TO THE WEST AND NORTHWEST BY EARLY AFTERNOON INTO THE OVERNIGHT HOURS.
* VISIBILITY...LESS THAN 1/2 MILE IN MODERATE TO HEAVY SNOW AND BLOWING SNOW.
* IMPACTS...SNOW AND BLOWING SNOW WILL CAUSE POOR TRAVEL CONDITIONS AS ROADWAYS BECOME ICY AND SNOW PACKED AND RESTRICTED VISIBILITY TO NEAR WHITEOUT AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
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A WINTER STORM WARNING IS IN EFFECT FROM 3 AM FRIDAY TO 6 AM MST SATURDAY FOR THE FOLLOWING AREAS...
- NORTHWEST SAN JUAN MOUNTAINS
INCLUDING THE CITIES OF...OURAY...TELLURIDE...LAKE CITY
* TIMING...LIGHT SNOWFALL MAY BEGIN AS EARLY AS MIDNIGHT ACROSS THE HIGHER ELEVATIONS OF THE NORTHERN SAN JUAN MOUNTAINS. THE INTENSITY AND COVERAGE OF THIS SNOW FALL WILL INCREASE THROUGH SUNRISE WITH THE HEAVIEST SNOW FALLING LATE MORNING FRIDAY INTO THE MID EVENING HOURS. PERIODS OF MODERATE TO HEAVY SNOW...WITH SNOWFALL RATES OVER AN INCH PER HOUR CAN BE EXPECTED.
* SNOW ACCUMULATION...10 TO 14 INCHES WITH LOCALLY HIGH AMOUNTS POSSIBLE.
* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 30 MPH FRIDAY MORNING SHIFTING TO THE WEST AND NORTHWEST BY EARLY AFTERNOON INTO THE OVERNIGHT HOURS.
* VISIBILITY...LESS THAN 1/2 MILE IN MODERATE TO HEAVY SNOW AND BLOWING SNOW.
* IMPACTS...SNOW AND BLOWING SNOW WILL CAUSE POOR TRAVEL CONDITIONS AS ROADWAYS BECOME ICY AND SNOW PACKED AND RESTRICTED VISIBILITY TO NEAR WHITEOUT AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
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A WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM FRIDAY TO 6 AM MST SATURDAY FOR THE FOLLOWING AREAS...
- PARADOX VALLEY/LOWER DOLORES RIVER
- LA SAL AND ABAJO MOUNTAINS
- GRAND AND BATTLEMENT MESAS
- WEST ELK AND SAWATCH MOUNTAINS
- UPPER GUNNISON RIVER VALLEY
... INCLUDING THE CITIES OF...GATEWAY...NUCLA... MONTICELLO AND VICINITY
* TIMING...LIGHT SNOWFALL MAY BEGIN AS EARLY AS MIDNIGHT ACROSS THE HIGHER ELEVATIONS OF THE LA SAL AND ABAJO MOUNTAINS. THE INTENSITY AND COVERAGE OF THIS SNOW WILL INCREASE BY LATE MORNING WITH PERIODS OF MODERATE TO HEAVY SNOWFALL CONTINUING THROUGH THE LATE AFTERNOON HOURS. SNOWFALL RATES OVER AN INCH PER HOUR...WILL BE POSSIBLE DURING THIS TIME.
* SNOW ACCUMULATION...6 TO 12 INCHES WITH THE HIGHER AMOUNTS ON WEST AND SOUTH FACING SLOPES WILL BE POSSIBLE.
* VISIBILITY...LESS THAN A MILE AT TIMES IN MODERATE TO HEAVY SNOW AND IN BLOWING SNOW ABOVE 9500 FEET.
* IMPACTS...QUICKLY ACCUMULATING SNOW WILL CAUSE POOR TRAVEL CONDITIONS AS ROADWAYS BECOME ICY AND SNOW PACKED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND/OR BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.
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A WINTER WEATHER ADVISORY IS IN EFFECT FROM 9 AM FRIDAY TO 6 AM MST SATURDAY FOR THE FOLLOWING AREAS:
INCLUDING THE CITIES OF...SKYWAY...CRESTED BUTTE...TAYLOR PARK... MARBLE...GUNNISON...CIMARRON
* TIMING...LIGHT SNOWFALL MAY BEGIN AS EARLY AS SUNRISE ACROSS THE HIGHER ELEVATIONS OF THE CENTRAL MOUNTAINS. THE INTENSITY AND COVERAGE OF THIS SNOW WILL INCREASE BY LATE MORNING WITH PERIODS OF MODERATE TO HEAVY SNOWFALL THROUGH THE AFTERNOON AND LATE EVENING HOURS. SNOWFALL RATES OVER AN INCH PER HOUR...WILL BE POSSIBLE DURING THIS TIME.
* SNOW ACCUMULATION...6 TO 12 INCHES WITH THE HIGHER AMOUNTS ON WEST AND SOUTH FACING SLOPES OF THE GRAND MESA AND WEST ELK MOUNTAINS. SNOW ACCUMULATION IN THE GUNNISON VALLEY OF 3 TO 5 INCHES WITH LOCALLY HIGH AMOUNTS NEAR CERRO SUMMIT.
* VISIBILITY...LESS THAN A MILE AT TIMES IN MODERATE TO HEAVY SNOW AND IN BLOWING SNOW ABOVE 9500 FEET.
* IMPACTS...QUICKLY ACCUMULATING SNOW WILL CAUSE POOR TRAVEL CONDITIONS AS ROADWAYS BECOME ICY AND SNOW PACKED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND/OR BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.
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