Alert archive / Colorado / Winter Storm Warnings in 2006

Winter Storm Warning 3, NWS Denver/Boulder, CO

February 1, 20069 counties in Colorado

NWS Denver/Boulder, CO issued this winter storm warning at Feb 1, 2006, 3:47 PM MST for 9 counties in Colorado. It took effect at Feb 1, 2006, 8:12 PM MST. It was in force for 32 hr. 8 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 1, 2006, 3:47 PM MST (22:47 UTC)
In effect from
Feb 1, 2006, 8:12 PM MST
Expired
Feb 3, 2006, 3:57 AM MST
In force
32 hr
Issued by
NWS Denver/Boulder, CO

Counties Boulder County, CO, Clear Creek County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO

The radar

The Denver radar (KFTG), 102 km from the middle of the area, began a volume at 22:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Feb 2, 4:00 AM MSTSNOW 45 Se Alma, CO
Feb 2, 4:00 AM MSTHEAVY SNOW 9Copper Mountain, CO
Feb 2, 5:00 AM MSTSNOW 0.21 N Estes Park, CO
Feb 2, 6:05 AM MSTHEAVY SNOW 61 Ne Breckenridge, CO
Feb 2, 7:00 AM MSTSNOW 1.2Nederland, CO
Feb 2, 7:00 AM MSTSNOW 1.51 Nw Rollinsville, CO
Feb 2, 7:00 AM MSTSNOW 3Aspen Springs, CO
Feb 2, 12:03 PM MSTHEAVY SNOW 91 Ne Breckenridge, CO2 INCHES SNOWFALL PER HOUR

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.8 hours before the alert went out and 213 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2006-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2006-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2621 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
367 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS45 KBOU 012247
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
347 PM MST WED FEB 1 2006

...PROLONGED WINTER STORM FOR THE NORTHERN COLORADO MOUNTAINS...

.A LARGE AREA OF MOIST AND UNSTABLE AIR WILL BRING SIGNIFICANT
SNOWFALL TO THE NORTHERN COLORADO MOUNTAINS BEGINNING TONIGHT AND
CONTINUING THROUGH THURSDAY NIGHT. THIS WILL BE A LONG PERIOD OF
SNOWFALL THAT WILL BE HEAVY AT TIMES. STRONG WINDS ARE ALSO
EXPECTED IN THE HIGHER ELEVATIONS THAT WILL CAUSE NEAR BLIZZARD
CONDITIONS.

THE SNOW WILL BECOME WIDESPREAD AFTER MIDNIGHT TONIGHT...AND WILL BE
HEAVY AT TIMES THROUGH THURSDAY NIGHT. TRAVEL WILL BECOME DIFFICULT
TONIGHT AND SEVERE WINTER DRIVING CONDITIONS CAN BE EXPECTED OVER
THE MOUNTAIN PASSES DURING THE HEIGHT OF THE STORM ON THURSDAY AND
THURSDAY NIGHT. PLAN TO COMPLETE ANY MOUNTAIN TRAVEL THIS EVENING
OR BE PREPARED FOR WINTER STORM CONDITIONS IF YOU MUST TRAVEL ON THURSDAY.

COZ031-033-034-020700-
/O.UPG.KBOU.WS.A.0003.060202T0600Z-060203T0100Z/
/O.NEW.KBOU.WS.W.0003.060202T0600Z-060203T1200Z/
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...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
347 PM MST WED FEB 1 2006

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST
FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

AFTER A BREAK IN THE SNOW EARLY THIS EVENING...SNOW WILL BECOME 
WIDESPREAD AFTER MIDNIGHT. THE SNOW WILL CONTINUE THROUGH THURSDAY NIGHT
AND WILL BE HEAVY AT TIMES. SNOWFALL TOTALS THROUGH THURSDAY
NIGHT WILL BE FROM ONE TO TWO FEET WITH THE HIGHEST TOTALS OCCURRING
IN AREAS WEST OF THE DIVIDE AND NORTH OF I-70. LOCALLY HIGHER
AMOUNTS ARE POSSIBLE FROM RABBIT EARS PASS NORTH TO THE WYOMING BORDER.

WEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL PRODUCE
SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE HIGHER MOUNTAINS.

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. TRAVEL IN THE NORTHERN
COLORADO MOUNTAINS WILL BECOME VERY HAZARDOUS LATER TONIGHT.

$$

COZ030-032-020700-
/O.NEW.KBOU.SN.Y.0002.060202T0600Z-060203T1200Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN...
DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS...
KREMMLING
347 PM MST WED FEB 1 2006

...SNOW ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST
FRIDAY. 

WIDESPREAD SNOW WILL DEVELOP AFTER MIDNIGHT TONIGHT AND CONTINUE
THROUGH THURSDAY NIGHT. STORM TOTAL SNOW ACCUMULATIONS THROUGH
THURSDAY NIGHT WILL RANGE FROM 6 TO 12 INCHES. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE SOME TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

GIMMESTAD/DANKERS
7 follow-up statements
000 
WWUS45 KBOU 020312
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
812 PM MST WED FEB 1 2006

...PROLONGED WINTER STORM FOR THE NORTHERN COLORADO MOUNTAINS...

.A LARGE AREA OF MOIST AND UNSTABLE AIR WILL BRING SIGNIFICANT
SNOWFALL TO THE NORTHERN COLORADO MOUNTAINS TONIGHT AND
CONTINUING THROUGH THURSDAY NIGHT. THE SNOW HAS STARTED EARLIER
THAN EXPECTED...SO WARNINGS AND ADVISORIES HAVE NOW GONE INTO
EFFECT. THIS WILL BE A LONG PERIOD OF SNOWFALL THAT WILL BE HEAVY
AT TIMES. STRONG WINDS ARE ALSO EXPECTED IN THE HIGHER ELEVATIONS
THAT WILL CAUSE NEAR BLIZZARD CONDITIONS.

TRAVEL WILL BECOME DIFFICULT TONIGHT AND SEVERE WINTER DRIVING
CONDITIONS CAN BE EXPECTED OVER THE MOUNTAIN PASSES DURING THE
HEIGHT OF THE STORM ON THURSDAY AND THURSDAY NIGHT. PLAN TO
COMPLETE ANY MOUNTAIN TRAVEL THIS EVENING OR BE PREPARED FOR
WINTER STORM CONDITIONS IF YOU MUST TRAVEL ON THURSDAY.

COZ031-033-034-021115-
/O.EXT.KBOU.WS.W.0003.060202T0312Z-060203T1200Z/
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...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
812 PM MST WED FEB 1 2006

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST FRIDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 AM MST FRIDAY. 

SNOW WILL CONTINUE THROUGH THURSDAY NIGHT...HEAVY AT
TIMES...ESPECIALLY THIS EVENING AND AGAIN ON THURSDAY. 
SNOWFALL TOTALS THROUGH THURSDAY NIGHT WILL BE FROM ONE TO TWO
FEET WITH THE HIGHEST TOTALS OCCURRING IN AREAS WEST OF THE DIVIDE
AND NORTH OF I-70. LOCALLY HIGHER AMOUNTS ARE POSSIBLE FROM RABBIT
EARS PASS NORTH TO THE WYOMING BORDER.

WEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 50 MPH WILL PRODUCE
SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE HIGHER MOUNTAINS.

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. TRAVEL IN THE NORTHERN
COLORADO MOUNTAINS WILL BECOME VERY HAZARDOUS LATER TONIGHT.

$$

COZ030-032-021115-
/O.EXT.KBOU.SN.Y.0002.060202T0312Z-060203T1200Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN...
DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS...
KREMMLING
812 PM MST WED FEB 1 2006

...SNOW ADVISORY NOW IN EFFECT UNTIL 5 AM MST FRIDAY...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 5 AM MST FRIDAY. 

WIDESPREAD SNOW WILL CONTINUE THROUGH THURSDAY NIGHT. STORM TOTAL
SNOW ACCUMULATIONS THROUGH THURSDAY NIGHT WILL RANGE FROM 6 TO 12
INCHES.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE SOME TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$


SWE
000 
WWUS45 KBOU 021106
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
406 AM MST THU FEB 2 2006

...PROLONGED WINTER STORM FOR THE NORTHERN COLORADO MOUNTAINS...

.A LARGE AREA OF MOIST AND UNSTABLE AIR WILL BRING SIGNIFICANT
SNOWFALL TO THE NORTHERN COLORADO MOUNTAINS TODAY AND TONIGHT. 
THIS WILL BE A LONG PERIOD OF SNOWFALL THAT WILL BE HEAVY AT
TIMES. STRONG WINDS ARE ALSO EXPECTED IN THE HIGHER ELEVATIONS
THAT WILL CAUSE NEAR BLIZZARD CONDITIONS AT TIMES.

TRAVEL WILL BE DIFFICULT TODAY AND TONIGHT WITH SEVERE WINTER
DRIVING CONDITIONS OVER THE MOUNTAIN PASSES.

COZ031-033-034-021915-
/O.CON.KBOU.WS.W.0003.000000T0000Z-060203T1200Z/
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...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
406 AM MST THU FEB 2 2006

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

SNOW WILL CONTINUE THROUGH TONIGHT...HEAVY AT TIMES... ESPECIALLY
THIS AFTERNOON AND TONIGHT. SNOWFALL TOTALS BY FRIDAY MORNING WILL BE
FROM ONE TO TWO FEET WITH THE HIGHEST TOTALS OCCURRING IN AREAS
WEST OF THE DIVIDE AND NORTH OF I-70. LOCALLY HIGHER AMOUNTS ARE
POSSIBLE FROM RABBIT EARS PASS NORTH TO THE WYOMING BORDER.

WEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 50 MPH WILL PRODUCE
SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE HIGHER MOUNTAINS.

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. TRAVEL IN THE NORTHERN
COLORADO MOUNTAINS WILL BE VERY HAZARDOUS TODAY AND TONIGHT.

$$

COZ030-032-021915-
/O.CON.KBOU.SN.Y.0002.000000T0000Z-060203T1200Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN...
DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS...
KREMMLING
406 AM MST THU FEB 2 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

WIDESPREAD SNOW WILL CONTINUE THROUGH TONIGHT. STORM TOTAL SNOW
ACCUMULATIONS BY FRIDAY MORNING WILL RANGE FROM 6 TO 12 INCHES.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE SOME TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS45 KBOU 021916
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1216 PM MST THU FEB 2 2006

...SNOW CONTINUES FALLING IN THE NORTHERN COLORADO MOUNTAINS...

.MOIST AND UNSTABLE AIR CONTINUES MOVING INTO COLORADO TODAY WITH SIGNIFICANT
SNOWFALL EXPECTED IN THE NORTHERN COLORADO MOUNTAINS THROUGH TONIGHT.
SNOWFALL WILL BE HEAVY AT TIMES. STRONG WINDS ARE ALSO EXPECTED
AT HIGHER ELEVATIONS THAT WILL CAUSE NEAR BLIZZARD CONDITIONS AT
TIMES.

TRAVEL WILL BE DIFFICULT THIS AFTERNOON AND TONIGHT WITH SEVERE WINTER
DRIVING CONDITIONS OVER THE MOUNTAIN PASSES.

COZ031-033-034-030330-
/O.CON.KBOU.WS.W.0003.000000T0000Z-060203T1200Z/
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...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
1216 PM MST THU FEB 2 2006

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

SNOW WILL CONTINUE THROUGH TONIGHT...HEAVY AT TIMES... ESPECIALLY
THIS AFTERNOON AND TONIGHT. SNOWFALL TOTALS BY FRIDAY MORNING
WILL BE FROM ONE TO TWO FEET WITH THE HIGHEST TOTALS OCCURRING IN
AREAS WEST OF THE DIVIDE AND NORTH OF I-70. LOCALLY HIGHER
AMOUNTS ARE POSSIBLE FROM RABBIT EARS PASS NORTH TO THE WYOMING
BORDER.

WEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 50 MPH WILL PRODUCE
SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE HIGHER MOUNTAINS.

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. TRAVEL IN THE NORTHERN
COLORADO MOUNTAINS WILL BE VERY HAZARDOUS TODAY AND TONIGHT.

$$

COZ030-032-030330-
/O.CON.KBOU.SN.Y.0002.000000T0000Z-060203T1200Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN...
DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS...
KREMMLING
1216 PM MST THU FEB 2 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

WIDESPREAD SNOW WILL CONTINUE THROUGH TONIGHT. STORM TOTAL SNOW
ACCUMULATIONS BY FRIDAY MORNING WILL RANGE FROM 6 TO 12 INCHES.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE SOME TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS45 KBOU 022256
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
356 PM MST THU FEB 2 2006

...SNOW BEGINNING TO TAPER OFF IN THE NORTHERN COLORADO
MOUNTAINS...

.MOIST AND UNSTABLE AIR REMAINS OVER THE NORTHERN COLORADO
MOUNTAINS THIS AFTERNOON...BUT WINDS ALOFT HAVE BEGUN DECREASING.
SNOW CONTINUES FALLING LATE THIS AFTERNOON...BUT THE HEAVIEST
SNOWFALL HAS MOVED TO THE SAN JUAN MOUNTAINS. SNOWFALL IS EXPECTED
TO CONTINUE DECREASING THROUGH THE EVENING HOURS BUT LOCALLY HEAVY
SHOWERS MAY STILL DEVELOP OVER NORTHWEST FACING SLOPES THROUGH
ABOUT 8 PM. 

COZ031-033-034-030700-
/O.CON.KBOU.WS.W.0003.000000T0000Z-060203T1200Z/
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...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
356 PM MST THU FEB 2 2006

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

ADDITIONAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED THROUGH
MIDNIGHT. THE HEAVIEST SNOW ACCUMULATIONS WILL BE IN SUMMIT AND
NORTHERN PARK COUNTIES...MAINLY SOUTH OF I-70. EMBEDDED SNOW
SHOWERS MAY STILL PRODUCE SNOWFALL RATES UP TO 2 INCHES PER HOUR
THIS EVENING. HEAVIER SHOWERS WILL CAUSE SNOWPACKED ROAD
CONDITIONS TO DEVELOP.

WEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 50 MPH WILL ALSO PRODUCE
SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE HIGHER MOUNTAINS.

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE HIGHLY LIKELY. TRAVEL IN THE NORTHERN COLORADO
MOUNTAINS WILL BE VERY HAZARDOUS THIS EVENING.

$$

COZ030-032-030700-
/O.CON.KBOU.SN.Y.0002.000000T0000Z-060203T1200Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN...
DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS...
KREMMLING
356 PM MST THU FEB 2 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

WIDESPREAD SNOW WILL CONTINUE THROUGH THIS EVENING. ADDITIONAL SNOW
ACCUMULATIONS OF 1 TO 3 INCHES WILL BE POSSIBLE. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE SOME TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS45 KBOU 030036
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
536 PM MST THU FEB 2 2006

...SNOW TAPERING OFF QUICKLY IN THE MOUNTAINS OF NORTHERN COLORADO...

.A BATCH OF DRY AIR HAS MOVED INTO THE NORTHERN MOUNTAINS OF
COLORADO EARLY THIS EVENING...BRINGING A RAPID DECREASE TO
SNOWFALL. THERE IS STILL ANOTHER UPPER LEVEL DISTURBANCE HEADED
TOWARD COLORADO LATER TONIGHT...WHICH IS EXPECTED TO BRING MORE
ACCUMULATING SNOWFALL TO THE MOUNTAINS AFTER MIDNIGHT. IN
ADDITION...STRONG NORTHWEST WINDS WILL PRODUCE BLOWING AND
DRIFTING SNOW ESPECIALLY ABOVE TIMBERLINE AND IN OPEN AREAS.

SURFACE OBSERVATIONS AND AUTOMATED SNOW SENSORS INDICATE SNOWFALL
TOTALS SO FAR RANGED BETWEEN 4 AND 14 INCHES IN THE MOUNTAINS
ABOVE 9000 FEET. ONLY LIGHT AMOUNTS OF SNOW...GENERALLY LESS THAN
4 INCHES...HAVE OCCURRED IN THE VALLEYS BELOW 9000 FEET.

COZ030-032-030145-
/O.CAN.KBOU.SN.Y.0002.000000T0000Z-060203T1200Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN...
DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS...
KREMMLING
536 PM MST THU FEB 2 2006

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE SNOW
ADVISORY. WHILE LIGHT SNOW SHOWERS ARE EXPECTED TO REDEVELOP OVERNIGHT...
ADDITIONAL ACCUMULATIONS WILL BE AN INCH OR LESS.

$$

COZ031-033-034-030845-
/O.CON.KBOU.WS.W.0003.000000T0000Z-060203T1200Z/
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...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
536 PM MST THU FEB 2 2006

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

SNOW HAD DECREASED SIGNIFICANTLY ACROSS THE MOUNTAINS EARLY THIS
EVENING. SNOW SHOWERS ARE EXPECTED TO REDEVELOP AND BECOME MORE
WIDESPREAD BY MIDNIGHT...AND THEN CONTINUE THROUGH DAYBREAK
FRIDAY. ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 4 INCHES ARE
EXPECTED.  

WEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 50 MPH ABOVE TIMBERLINE WILL
PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW OVER THE HIGHER
MOUNTAIN PASSES AND IN OPEN AREAS. VISIBILITIES WILL BE REDUCED TO
LESS THAN ONE QUARTER MILE AT TIMES.

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE HIGHLY LIKELY. TRAVEL IN THE NORTHERN COLORADO
MOUNTAINS WILL BE HAZARDOUS TONIGHT.

$$

BARJENBRUCH
000 
WWUS45 KBOU 030451
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
951 PM MST THU FEB 2 2006

...ONE LAST ROUND OF SNOW FOR THE MOUNTAINS OF NORTHERN
COLORADO...

.THE LAST DISTURBANCE ASSOCIATED WITH THIS MOUNTAIN STORM WILL
MOVE ACROSS THE NORTHERN MOUNTAINS OF COLORADO AFTER MIDNIGHT.
THIS WILL BRING AN INCREASE IN SNOW TO THE MOUNTAINS OVERNIGHT. 
IN ADDITION...STRONG NORTHWEST WINDS WILL PRODUCE BLOWING AND
DRIFTING SNOW ESPECIALLY ABOVE TIMBERLINE AND IN OPEN AREAS.

SURFACE OBSERVATIONS AND AUTOMATED SNOW SENSORS INDICATE SNOWFALL
TOTALS SO FAR RANGED BETWEEN 4 AND 14 INCHES IN THE MOUNTAINS
ABOVE 9000 FEET.

COZ031-033-034-031200-
/O.CON.KBOU.WS.W.0003.000000T0000Z-060203T1200Z/
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...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
951 PM MST THU FEB 2 2006

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

SNOW HAD DECREASED SIGNIFICANTLY ACROSS THE MOUNTAINS THIS
EVENING. SNOW SHOWERS ARE EXPECTED TO REDEVELOP AND BECOME MORE
WIDESPREAD AFTER MIDNIGHT...AND THEN CONTINUE THROUGH DAYBREAK
FRIDAY. ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE
EXPECTED.

WEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 50 MPH ABOVE TIMBERLINE
WILL PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW OVER THE
HIGHER MOUNTAIN PASSES AND IN OPEN AREAS. VISIBILITIES WILL BE
REDUCED TO LESS THAN ONE QUARTER MILE AT TIMES.

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE HIGHLY LIKELY. TRAVEL IN THE NORTHERN COLORADO
MOUNTAINS WILL BE HAZARDOUS TONIGHT.

$$

BARJENBRUCH
000 
WWUS45 KBOU 031057
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
357 AM MST FRI FEB 3 2006


COZ031-033-034-031200-
/O.CAN.KBOU.WS.W.0003.000000T0000Z-060203T1200Z/
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...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
357 AM MST FRI FEB 3 2006

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER
STORM WARNING. SOME LIGHT SNOW WILL CONTINUE IN THE MOUNTAINS
TODAY HOWEVER ADDITIONAL ACCUMULATIONS WILL BE UNDER 3 INCHES.
NORTHWEST WINDS OF 20 TO 35 MPH WITH SOME HIGHER GUSTS WILL
PRODUCE SOME BLOWING AND DRIFTING SNOW MAINLY OVER THE HIGHER
MOUNTAIN PASSES.

$$

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter storm warning went out at Feb 1, 2:45 PM MST, 1 hour 2 minutes earlier.

Area forecast discussion, Feb 1, 2:45 PM MST, 1 hour 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER CO
245 PM MST WED FEB 1 2006

.SHORT TERM DISCUSSION...THE MAIN WEATHER STORY FOR THE NEXT 24
HOURS WILL BE THE ONSET OF A PROLONGED SNOW EVENT FOR THE
MOUNTAINS.  LINGERING LOW LEVEL MOISTURE THIS AFTERNOON AND EVENING
WILL CONTINUE PRODUCING SCATTERED SNOW SHOWERS.  HOWEVER...LATER
TONIGHT DEEPER MOISTURE WILL MOVE INTO THE STATE...DRIVEN BY A
STRONG PACIFIC JET.  STRONG OROGRAPHICS WILL COMBINE WITH STEEP
LAPSE RATES TO PRODUCE MOUNTAINS SNOWFALL THROUGH ABOUT FRIDAY
MORNING.  MODEL SOUNDINGS SHOW THAT THE LAPSE RATES OVER THE
MOUNTAINS WILL BE AROUND 7 C/KM AND SATURATED THROUGH 500 MB.  THE
RABBIT EARS PASS/STEAMBOAT SPRINGS AREA IS GOING TO GET THE MOST
SNOW FROM THIS FLOW PATTERN...BUT THE INSTABILITY AND MOIST AIRMASS
WILL ALSO SPILL INTO OUR MOUNTAIN AREAS.  WILL UPGRADE THE WINTER
STORM WATCH TO A WINTER STORM WARNING WITH THE AFTERNOON PACKAGE.
STRONG FLOW OVER THE RIDGES MAY PRODUCE AREAS OF BLOWING AND
DRIFTING SNOW TO GO ALONG WITH THE 12-18 INCHES OF SNOW THAT ARE
EXPECTED THROUGH TOMORROW EVENING.  WILL ALSO ISSUE A SNOW ADVISORY
FOR ZONES 30 AND 32 SINCE THE LOW STABILITY OF THE AIRMASS MAY ALLOW
FOR DECENT SNOW RATES...EVEN ACROSS THE VALLEY LOCATIONS.

WEATHER ON THE PLAINS WILL BE MAINLY DRY...EXCEPT THURSDAY AFTERNOON
WHEN IT IS POSSIBLE THAT THE LEFT FRONT QUADRANT OF THE JET STREAM
ALOFT MAY INDUCE SOME BANDED PRECIPITATION ACROSS DENVER AND THE
PALMER DIVIDE.  DOWNSLOPE WINDS WILL KEEP TEMPERATURES MILD ACROSS
THE LOWER ELEVATIONS...BUT MODEL SOUNDINGS SHOW NEARLY SATURATED
PROFILES AT KDEN AND KLIC AT 00Z WITH UNI-DIRECTIONAL FLOW ALOFT.
ANY BANDS OF SHOWERS THAT DEVELOP WILL LINGER INTO THE EVENING.
WILL MENTION A MIX OF RAIN AND SNOW DUE TO THE WARMER TEMPERATURES.
EVEN THOUGH THE FLOW ALOFT IS STRONG...AN AMPLIFIED WAVE STRUCTURE
IS NOT EXPECTED TO DEVELOP BECAUSE OF ALL THE MOISURE IN THE
AIRMASS.  MOUNTAIN RIDGES AND PASSES SHOULD BE THE ONLY PLACES TO
SEE GUSTY WINDS.

.LONG TERM DISCUSSION...THU NGT-SAT...MDLS MAINTAIN MOIST NWLY FLO
ALF ACRS CNTRL RCKYS TIL FRI EVE WHEN UPR RDG STARTS TO BUILD OVER
AREA.  STG MOIST OROGRAPHIC FLOW ALF WILL CONT TO PRODUCE GUD AMTS
OF SNW IN MTNS WITH GENL DWNWRD Q-G OMEGA.  WILL KEEP WINTER STORM
WRNG GOING THRU THU NGT.  ETA12 SNOW AMTS WERE QUITE CLOSE TO SNOW
MDL AMTS OF 4-6 INCHES IN ZONE 31 AND 2-5 INCHES IN ZNS 33 AND 34.
SNOW AMTS TAPER OFF TO 1 TO 3 INCHES IN HI COUNTRY ON FRI AND WILL
LEAVE SUM LIGERING SCT SNW SHWRS IN MTNS THRU FRI EVE BFR STG WARM
ADVECTN AND DCRSG MSTR KILL SHWRS LATE FRI NGT.  WILL ALSO MENTION
SLGT CHC OF SHWRS OVR PTNS OF PLAINS ON THU NGT AND FRI.  H7 TEMPS
OF -10C ON FRI WILL KEEP MAX TEMPS CHILLY....BUT SFC LEE TROFG AND
STG WRMG ALF WILL WARM TEMPS TO LWR TO MID 50S ON PLAINS SAT AFTN.

IN EXTENDED PRD...SUN-WED...MDLS BLD BLOCKING UPR RDG OVER W COAST
AND MAINTAIN N TO NWLY FLO ALF ACRS CNTRL RCKYS THRU PRD. UPR TROF
ON SUN AND SUN NGT WILL SPREAD SNW OVR MTNS AND SHWRS ONTO PLAINS.
OTRW AMS WILL REMAIN DRY MON-WED. TEMPS WILL BE NR SEASONAL NORMS.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...
   WINTER STORM WARNING LATE TONIGHT THROUGH THURSDAY NIGHT...NRN
MTNS...ZONES 31..33 AND 34.
   SNOW ADVISORY LATE TONIGHT THROUGH THURSDAY NIGHT...NORTH PARK
AND MIDDLE PARK...ZONES 30 AND 32.

&&

KDRBY/GARD...WFO BOULDER
Hazardous weather outlook, Feb 1, 11:18 AM MST, 4 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
1118 AM MST WED FEB 01 2006

COZ030>051-021300-
JACKSON COUNTY BELOW 9000 FEET-WEST JACKSON AND WEST GRAND
COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 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-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-CENTRAL AND SOUTHEAST PARK COUNTY-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-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD
COUNTY-MORGAN 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-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS
COUNTY-
1118 AM MST WED FEB 01 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

STRONG AND MOIST NORTHWESTERLY FLOW WILL BE MOVING INTO COLORADO
LATER TONIGHT WHICH WILL BRING INCREASING SNOW TO THE NORTH CENTRAL
MOUNTAINS.  SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED AS THIS
STORM CONTINUES THROUGH THURSDAY.  A WINTER STORM WARNING WILL BE
ISSUED FOR THE MOUNTAINS ABOVE 9000 FEET LATER TODAY.  THE WARNING
WILL BE IN EFFECT FOR TONIGHT THROUGH THURSDAY NIGHT FOR SNOW
ACCUMULATIONS OF 12 TO 18 INCHES.  SNOW ADVISORIES WILL ALSO BE
ISSUED FOR NORTH PARK AND MIDDLE PARK FOR SNOW ACCUMULATIONS OF 6 TO
10 INCHES.  MILD AND GENERALLY DRY WEATHER WILL CONTINUE ACROSS THE
PLAINS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SNOW WILL CONTINUE IN THE MOUNTAINS FROM THURSDAY THROUGH FRIDAY
BEFORE DIMINISHING ON FRIDAY EVENING.  SEVERAL INCHES OF SNOW WILL
OCCUR DURING EACH 12 HOUR PERIOD.  GUSTY WEST WINDS WILL PRODUCE
CONSIDERABLE BLOWING AND DRIFTING SNOW ESPECIALLY OVER THE HIGH
MOUNTAIN PASSES.  OVER LOWER ELEVATIONS THERE WILL BE A SLIGHT
CHANCE OF RAIN OR SNOW SHOWERS ON THE PLAINS THURSDAY AFTERNOON AND
EVENING.

ANOTHER WEATHER SYSTEM WILL MOVE ACROSS THE AREA ON SUNDAY AND
SUNDAY NIGHT BRINGING A CHANCE OF SNOW TO THE MOUNTAINS AND A
SLIGHT CHANCE OF SHOWERS TO THE PLAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT BUT SNOWFALL
REPORTS FROM THE MOUNTAINS ON THURSDAY WILL BE APPRECIATED.

DANKERS/GARD...WFO BOULDER

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 1, 3:53 AM MSTWinter Storm WatchBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more12 hr
Feb 1, 3:47 PM MSTSnow AdvisoryBOUGrand, Jackson, Summit26 hr

Nearby

Winter Storm Warnings in Colorado, 2006Every winter storm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.