Alert archive / Colorado / Blizzard Warnings in 2006

Blizzard Warning 1, NWS Denver/Boulder, CO

April 6, 200611 counties in Colorado

NWS Denver/Boulder, CO issued this blizzard warning at Apr 6, 2006, 3:44 PM MDT for 11 counties in Colorado. It took effect at Apr 7, 2006, 3:00 AM MDT. It was in force for 11 hr. 4 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
Apr 6, 2006, 3:44 PM MDT (21:44 UTC)
In effect from
Apr 7, 2006, 3:00 AM MDT
Expired
Apr 7, 2006, 1:58 PM MDT
In force
11 hr
Issued by
NWS Denver/Boulder, CO

Counties Adams County, CO, Arapahoe County, CO, Douglas County, CO, Elbert County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 78 km from the middle of the area, began a volume at 21:45 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
Apr 7, 8:30 AM MDTSNOW 3.55 S Elizabeth, COWINDY WITH 10 INCH DRIFTS
Apr 7, 9:30 AM MDTSNOW 3.21 W Larkspur, CO
Apr 7, 9:50 AM MDTSNOW 21 Ne Castle Rock, CO
Apr 7, 11:26 AM MDTBLIZZARD8 Sw Bennett, CO4.5 INCHES OF SNOW ON THE GROUND WITH 3 FOOT DRIFTS. WINDS GUSTING TO 48 MPH.

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, 9.7 hours before the alert went out and 41 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 2006-04-06Temperature 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 2006-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
2226 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
-76 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 062144
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
344 PM MDT THU APR 6 2006

.A STRONG SPRING STORM SYSTEM WILL INTENSIFY OVER KANSAS LATER
TONIGHT INTO FRIDAY. SNOW WILL DEVELOP OVER THE NORTHEAST PLAINS
OF COLORADO LATE TONIGHT AND CONTINUE THROUGH EARLY FRIDAY AFTERNOON
BEFORE ENDING. IN ADDITION NORTH WINDS OF 30 TO 45 MPH WITH GUSTS
TO 70 MPH WILL PRODUCE BLIZZARD CONDITIONS WITH VISBILITIES NEAR
ZERO. THE WORST CONDITIONS WILL BE FROM THE COLORADO NEBRASKA
BORDER SOUTHWARD TO FORT MORGAN AND AKRON. IN THE MOUNTAINS SNOW
WILL ALSO OCCUR WITH GUSTY NORTHWEST WINDS PRODUCING AREAS OF
BLOWING SNOW AND POOR VISIBILITIES.

COZ042-044-048>051-070545-
/O.NEW.KBOU.BZ.W.0001.060407T0900Z-060407T2000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...
STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...CROOK...
MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS...
JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
344 PM MDT THU APR 6 2006

...BLIZZARD WARNING IN EFFECT FROM 3 AM TO 2 PM MDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 2 PM MDT FRIDAY. 

SNOW WILL DEVELOP OVER THE NORTHEAST PLAINS OF COLORADO LATE TONIGHT
AND CONTINUE THROUGH EARLY FRIDAY AFTERNOON BEFORE ENDING.
ALTHOUGH TOTAL SNOW ACCUMULATIONS WILL ONLY BE IN THE 2 TO 4 INCH
RANGE NORTH WINDS OF 25 TO 40 MPH WITH GUSTS TO 70 MPH WILL
PRODUCE WIDESPREAD BLIZZARD CONDITIONS AND VERY POOR VISIBILITIES
THROUGH EARLY FRIDAY AFTERNOON.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING OR IMMINENT. SUSTAINED WIND AND/OR FREQUENT WIND GUSTS
OF 35 MPH OR HIGHER WILL COMBINE WITH CONSIDERABLE FALLING AND
BLOWING SNOW TO PRODUCE WIDESPREAD VISIBILITIES BELOW ONE QUARTER
OF A MILE.  TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED
IN THESE WHITEOUT CONDITIONS. IF YOU MUST TRAVEL...HAVE A WINTER
SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR
VEHICLE AND WAIT FOR HELP TO ARRIVE.

$$

COZ031-033-034-070545-
/O.EXT.KBOU.SB.Y.0013.000000T0000Z-060407T1600Z/
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
344 PM MDT THU APR 6 2006

...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL 10 AM MDT
FRIDAY...

THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL 10 AM
MDT FRIDAY. 

PERIODS OF SNOW WILL DEVELOP IN THE NORTHERN MOUNTAINS OF
COLORADO OVERNIGHT AND CONTINUE THROUGH FRIDAY MORNING BEFORE
DIMINISHING BY EARLY FRIDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS BY
LATE FRIDAY MORNING WILL RANGE FROM 4 TO 8 INCHES. IN
ADDITION...WEST TO NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS TO
AROUND 60 MPH WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING
SNOW...ESPECIALLY OVER THE HIGHER MOUNTAIN PASSES.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW.
MOUNTAIN TRAVELERS SHOULD ANTICIPATE WINTER-LIKE DRIVING
CONDITIONS LATER TODAY. ROADS OVER THE HIGH MOUNTAIN PASSES WILL
LIKELY BECOME ICY AND SNOWPACK AND THEREFORE HIGH COUNTRY
TRAVELERS ARE URGED TO USE CAUTION AND TO EXPECT DELAYS.

$$
5 follow-up statements
000 
WWUS45 KBOU 070307
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
907 PM MDT THU APR 6 2006

.A STRONG SPRING STORM SYSTEM WILL INTENSIFY OVER KANSAS LATER
TONIGHT INTO FRIDAY. SNOW WILL DEVELOP OVER THE NORTHEAST PLAINS
OF COLORADO LATE TONIGHT AND CONTINUE THROUGH EARLY FRIDAY
AFTERNOON BEFORE ENDING. IN ADDITION NORTH WINDS OF 30 TO 45 MPH
WITH GUSTS TO 70 MPH WILL PRODUCE BLIZZARD CONDITIONS WITH
VISIBILITIES NEAR ZERO. THE WORST CONDITIONS WILL BE FROM THE
COLORADO NEBRASKA BORDER SOUTHWARD TO FORT MORGAN AND AKRON. IN
THE MOUNTAINS SNOW WILL ALSO OCCUR WITH GUSTY NORTHWEST WINDS
PRODUCING AREAS OF BLOWING SNOW AND POOR VISIBILITIES.

COZ042-044-048>051-071100-
/O.CON.KBOU.BZ.W.0001.060407T0900Z-060407T2000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...
STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...CROOK...
MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS...
JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
907 PM MDT THU APR 6 2006

...BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM TO 2 PM MDT
FRIDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM TO 2 PM MDT
FRIDAY. 

SNOW WILL DEVELOP OVER THE NORTHEAST PLAINS OF COLORADO LATE
TONIGHT AND CONTINUE THROUGH EARLY FRIDAY AFTERNOON BEFORE
ENDING. ALTHOUGH TOTAL SNOW ACCUMULATIONS WILL ONLY BE IN THE
2 TO 4 INCH RANGE NORTH WINDS OF 25 TO 40 MPH WITH GUSTS TO
70 MPH WILL PRODUCE WIDESPREAD BLIZZARD CONDITIONS AND VERY POOR
VISIBILITIES THROUGH EARLY FRIDAY AFTERNOON.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING OR IMMINENT. SUSTAINED WIND AND/OR FREQUENT WIND GUSTS
OF 35 MPH OR HIGHER WILL COMBINE WITH CONSIDERABLE FALLING AND
BLOWING SNOW TO PRODUCE WIDESPREAD VISIBILITIES BELOW ONE QUARTER
OF A MILE.  TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED
IN THESE WHITEOUT CONDITIONS. IF YOU MUST TRAVEL...HAVE A WINTER
SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR
VEHICLE AND WAIT FOR HELP TO ARRIVE.

$$

COZ031-033-034-071100-
/O.CON.KBOU.SB.Y.0013.000000T0000Z-060407T1600Z/
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
907 PM MDT THU APR 6 2006

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM
MDT FRIDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM
MDT FRIDAY. 

PERIODS OF SNOW WILL DEVELOP IN THE NORTHERN MOUNTAINS OF
COLORADO OVERNIGHT AND CONTINUE THROUGH FRIDAY MORNING BEFORE
DIMINISHING BY EARLY FRIDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS
BY LATE FRIDAY MORNING WILL RANGE FROM 4 TO 8 INCHES. IN
ADDITION...WEST TO NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS TO
AROUND 60 MPH WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING
SNOW...ESPECIALLY OVER THE HIGHER MOUNTAIN PASSES.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW.
MOUNTAIN TRAVELERS SHOULD ANTICIPATE WINTER-LIKE DRIVING
CONDITIONS LATER TODAY. ROADS OVER THE HIGH MOUNTAIN PASSES WILL
LIKELY BECOME ICY AND SNOWPACK AND THEREFORE HIGH COUNTRY
TRAVELERS ARE URGED TO USE CAUTION AND TO EXPECT DELAYS.

$$
000 
WWUS45 KBOU 071019
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
419 AM MDT FRI APR 7 2006

.A STRONG SPRING STORM SYSTEM OVER THE CENTRAL PLAINS WILL DROP
SLOWLY SOUTHEAST ACROSS KANSAS TODAY. RAIN AND SNOW ON THE BACK
EDGE OF THIS SYSTEM HAD SPREAD SOUTHWARD ACROSS MOST OF NORTHEAST
COLORADO THIS MORNING. BY DAYBREAK...MOST OF THE PRECIPITATION
WILL BE IN THE FORM OF SNOW. STRONG NORTH WINDS WILL ALSO CONTINUE
TO INTENSIFY THIS MORNING...REACHING SPEEDS OF 25 TO 40 MPH...WITH
GUSTS AS HIGH AS 60 MPH. AS A RESULT...BLIZZARD CONDITIONS WILL
DEVELOP BY DAYBREAK. AT THIS TIME...THE WORST CONDITIONS ARE
EXPECTED TO OCCUR FROM ELBERT COUNTY EAST AND NORTHEASTWARD TOWARD
THE LIMON AND AKRON AREAS.  THIS INCLUDES INTERSTATE 70 EAST OF DENVER.

IN THE MOUNTAINS SNOW WILL ALSO OCCUR WITH GUSTY NORTHWEST WINDS
PRODUCING AREAS OF BLOWING SNOW AND POOR VISIBILITIES.

COZ041-045-046-071830-
/O.EXB.KBOU.BZ.W.0001.060407T1200Z-060407T2000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...
MATHESON
419 AM MDT FRI APR 7 2006

...BLIZZARD WARNING IN EFFECT UNTIL 2 PM MDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 2 PM MDT THIS AFTERNOON. 

A MIXTURE OF RAIN AND SNOW WILL TURN TO ALL SNOW BY DAYBREAK AND
THEN CONTINUE THROUGH EARLY AFTERNOON. ALTHOUGH TOTAL SNOW
ACCUMULATIONS WILL ONLY BE IN THE 2 TO 5 INCH RANGE...NORTH WINDS
OF 25 TO 40 MPH WITH GUSTS TO 60 MPH WILL PRODUCE WIDESPREAD
BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING OR IMMINENT. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS
DISCOURAGED. IF YOU MUST TRAVEL...TAKE A WINTER SURVIVAL KIT WITH
YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR
HELP TO ARRIVE OR CONDITIONS TO IMPROVE THIS AFTERNOON.

$$

COZ042-044-048>051-071800-
/O.EXT.KBOU.BZ.W.0001.000000T0000Z-060407T1800Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...
STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...CROOK...
MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS...
JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
419 AM MDT FRI APR 7 2006

...BLIZZARD WARNING NOW IN EFFECT UNTIL NOON MDT TODAY...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL NOON MDT TODAY. 

STRONG NORTH WINDS AND SNOW WILL CONTINUE THIS MORNING. ALTHOUGH
TOTAL SNOW ACCUMULATIONS WILL ONLY BE IN THE 1 TO 3 INCH RANGE...
NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO AROUND 60 MPH WILL
PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES AT TIMES.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING OR IMMINENT. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS
DISCOURAGED. IF YOU MUST TRAVEL...TAKE A WINTER SURVIVAL KIT WITH
YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR
HELP TO ARRIVE OR CONDITIONS TO IMPROVE BY THE NOON HOUR.

$$

COZ031-033-034-071800-
/O.EXT.KBOU.SB.Y.0013.000000T0000Z-060407T1800Z/
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
419 AM MDT FRI APR 7 2006

...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL NOON MDT
TODAY...

THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL NOON
MDT TODAY. 

SNOW WILL INCREASE IN INTENSITY THIS MORNING. ADDITIONAL SNOW
ACCUMULATIONS OF 2 TO 6 INCHES CAN BE EXPECTED...RESULTING IN
STORM TOTAL ACCUMULATIONS OF 4 TO 10 INCHES. 

IN ADDITION...NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS UP TO 50
MPH ABOVE TIMBERLINE WILL PRODUCE BLOWING AND DRIFTING
SNOW...ESPECIALLY OVER THE HIGHER MOUNTAIN PASSES. 

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW.
MOUNTAIN TRAVELERS SHOULD ANTICIPATE WINTER-LIKE DRIVING
CONDITIONS. ROADS OVER THE HIGH MOUNTAIN PASSES WILL LIKELY
BE SLUSHY OR SNOWPACKED AND THEREFORE HIGH COUNTRY TRAVELERS ARE
URGED TO USE CAUTION AND TO EXPECT DELAYS.

$$

BARJENBRUCH/BAKER
000 
WWUS45 KBOU 071255
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
655 AM MDT FRI APR 7 2006

.BROAD CIRCULATION AROUND A POWERFUL SPRING STORM SYSTEM OVER THE
CENTRAL GREAT PLAINS WILL PRODUCE SNOW AND STRONG WINDS IN THE
NORTHERN MOUNTAINS AND NORTHEAST PLAINS OF COLORADO TODAY. THE 
STRONG WINDS AND SNOW WILL PRODUCE POOR VISIBILITIES AND
POTENTIALLY HAZARDOUS DRIVING CONDITIONS ON THE PLAINS THROUGH
LATE THIS MORNING. AT THIS TIME...THE WORST CONDITIONS SHOULD
EXIST IN ELBERT...EASTERN ARAPAHOE AND NORTHERN LINCOLN COUNTIES
WHERE AS MUCH AS 5 INCHES OF SNOW MAY ACCUMULATE BY NOON TODAY.
THIS INCLUDES AREAS ALONG INTERSTATE 70 BETWEEN DENVER AND LIMON.

IN THE MOUNTAINS SNOW WILL CONTINUE HEAVY AT TIMES THIS MORNING. 
STRONG AND GUSTY NORTHWEST WINDS WILL ALSO PRODUCE AREAS OF
BLOWING SNOW AND POOR VISIBILITIES ESPECIALLY ON THE HIGHER
MOUNTAIN PASSES.

COZ042-044-048>051-071800-
/O.CON.KBOU.BZ.W.0001.000000T0000Z-060407T1800Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...
STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...CROOK...
MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS...
JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
655 AM MDT FRI APR 7 2006

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

STRONG NORTH WINDS AND PERIODS OF SNOW WILL OCCUR THIS MORNING.
ALTHOUGH SNOW ACCUMULATIONS ARE EXPECTED TO BE LIGHT...GENERALLY
LESS THAN 3 INCHES...NORTH WINDS OF 25 TO 35 MPH AND GUSTS TO
AROUND 60 MPH WILL PRODUCE NEAR ZERO VISIBILITIES AND AREAS OF
DRIFTING SNOW CREATING HAZARDOUS DRIVING CONDITIONS.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING OR IMMINENT. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS
DISCOURAGED. IF YOU MUST TRAVEL...TAKE A WINTER SURVIVAL KIT WITH
YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR
HELP TO ARRIVE OR CONDITIONS TO IMPROVE BY THE NOON HOUR.

$$

COZ041-045-046-072000-
/O.CON.KBOU.BZ.W.0001.000000T0000Z-060407T2000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...
MATHESON
655 AM MDT FRI APR 7 2006

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 2 PM MDT THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 2 PM MDT THIS
AFTERNOON. 

A MIXTURE OF RAIN AND SNOW WILL CHANGE OVER TO ALL SNOW BY 8 AM
THIS MORNING THEN CONTINUE THROUGH EARLY THIS AFTERNOON. TOTAL SNOW
ACCUMULATIONS BY EARLY THIS AFTERNOON WILL RANGE FROM 2 TO 5
INCHES. NORTH WINDS OF 25 TO 40 MPH AND GUSTS TO AROUND 60 MPH
WILL ALSO PRODUCE WHITEOUT CONDITIONS AND DRIFTING SNOW CREATING 
HAZARDOUS DRIVING CONDITIONS. MANY ROADS IN THE AREA MAY BECOME
IMPASSABLE DUE TO THE DRIFTING SNOW.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING OR IMMINENT. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS
DISCOURAGED. IF YOU MUST TRAVEL...TAKE A WINTER SURVIVAL KIT WITH
YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR
HELP TO ARRIVE OR CONDITIONS TO IMPROVE THIS AFTERNOON.

$$

COZ031-033-034-071800-
/O.CON.KBOU.SB.Y.0013.000000T0000Z-060407T1800Z/
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
655 AM MDT FRI APR 7 2006

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON
MDT TODAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY. 

SNOW WILL INCREASE IN INTENSITY EARLY THIS MORNING WITH AN ADDITIONAL
2 TO 6 INCHES OF SNOW ACCUMULATING BY NOON TODAY...THIS WOULD RESULT
IN STORM TOTAL ACCUMULATIONS OF 4 TO 10 INCHES.

IN ADDITION...NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS UP TO
50 MPH WILL PRODUCE BLOWING AND DRIFTING SNOW...ESPECIALLY OVER
THE HIGHER MOUNTAIN PASSES.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW.
MOUNTAIN TRAVELERS SHOULD ANTICIPATE WINTER-LIKE DRIVING
CONDITIONS. ROADS OVER THE HIGH MOUNTAIN PASSES WILL LIKELY BE
SLUSHY OR SNOWPACKED AND THEREFORE HIGH COUNTRY TRAVELERS ARE
URGED TO USE CAUTION AND TO EXPECT DELAYS.

$$
BAKER
000 
WWUS45 KBOU 071815
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1215 PM MDT FRI APR 7 2006

...STORM WINDING DOWN...

.A STRONG STORM SYSTEM OVER THE CENTRAL GREAT PLAINS CONTINUE TO 
MOVE SOUTHEAST AWAY FROM COLORADO. AS A RESULT...CONDITIONS WILL
IMPROVE DURING THE AFTERNOON. SOME AREAS ALONG THE PALMER DIVIDE
WILL CONTINUE TO EXPERIENCE BLIZZARD CONDITIONS ALONG WITH STRONG
WINDS EARLY THIS AFTERNOON.

COZ042-044-048>051-071915-
/O.EXP.KBOU.BZ.W.0001.000000T0000Z-060407T1800Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...
STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...CROOK...
MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS...
JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
1215 PM MDT FRI APR 7 2006

...BLIZZARD WARNING HAS EXPIRED...

THE BLIZZARD WARNING IS NO LONGER IN EFFECT. 

CONDITIONS WILL CONTINUE TO IMPROVE THIS AFTERNOON.

$$

COZ031-033-034-071915-
/O.EXP.KBOU.SB.Y.0013.000000T0000Z-060407T1800Z/
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
1215 PM MDT FRI APR 7 2006

...SNOW AND BLOWING SNOW ADVISORY HAS EXPIRED...

THE SNOW AND BLOWING SNOW ADVISORY IS NO LONGER IN EFFECT. 

LIGHT SNOW AND AREAS OF BLOWING SNOW WILL CONTINUE EAST OF 
THE CONTINENTAL DIVIDE...WITH ADDITIONAL ACCUMULATIONS AROUND
TWO INCHES.

$$

COZ041-045-046-072000-
/O.CON.KBOU.BZ.W.0001.000000T0000Z-060407T2000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...
MATHESON
1215 PM MDT FRI APR 7 2006

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 2 PM MDT THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 2 PM MDT THIS
AFTERNOON. 

OCCASIONAL SNOW WILL CONTINUE THROUGH EARLY THIS AFTERNOON...
THEN DECREASE BY EVENING. ADDITIONAL ACCUMULATIONS OF UP TO
TWO INCHES CAN BE EXPECTED. NORTH WINDS OF 25 TO 40 MPH AND GUSTS
TO AROUND 60 MPH WILL PRODUCE WHITEOUT CONDITIONS AND DRIFTING
SNOW WHICH WILL CREATE HAZARDOUS DRIVING CONDITIONS. MANY ROADS IN
THE AREA WILL REMAIN IMPASSABLE DUE TO THE DRIFTING SNOW.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING OR IMMINENT. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS
DISCOURAGED. IF YOU MUST TRAVEL...TAKE A WINTER SURVIVAL KIT WITH
YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR
HELP TO ARRIVE OR CONDITIONS TO IMPROVE THIS AFTERNOON.

$$
000 
WWUS45 KBOU 071958
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
158 PM MDT FRI APR 7 2006


COZ041-045-046-072100-
/O.CAN.KBOU.BZ.W.0001.000000T0000Z-060407T2000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...
MATHESON
158 PM MDT FRI APR 7 2006

...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE BLIZZARD
WARNING. 

THE SNOW HAD ENDED AND WINDS WILL CONTINUE TO DECREASE THROUGH THE
AFTERNOON.

$$

What forecasters said that day

The local office's own words before this blizzard 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 blizzard warning went out at Apr 6, 2:41 PM MDT, 1 hour 3 minutes earlier.

Area forecast discussion, Apr 6, 2:41 PM MDT, 1 hour 3 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER COLORADO
241 PM MDT THU APR 6 2006

.SHORT TERM DISCUSSION...CURRENT RADAR IS INDICATING THE SNOW SLOW
TO GET GOING IN THE HIGH COUNTY THIS AFTERNOON.  THERE ARE A COUPLE
LIGHTNING STRIKES RIGHT NOW OVER THE HIGH MOUNTAINS AND WELD
COUNTY.  THE WATER VAPOR PICTURES ARE SHOWING A COUPLE CIRCULATIONS
IN THE FLOW ALOFT...ONE OVER SOUTHWESTERN WYOMING...THE OTHER OVER
SOUTHWESTERN KANSAS.  THE 12Z VERSIONS OF THE MODELS HAVE THE STORM
STILL COMING...BUT IT LOOKS TO LINGER LATER ON FRIDAY...INTO THE
AFTERNOON FOR SURE NOW.  THE QG VERTICAL VELOCITY FIELDS HAVE UPWARD
MOTION THROUGH ABOUT 12Z FRIDAY MORNING...AT LEAST FOR THE NORTHEAST
CORNER...AFTER THAT ITS PRETTY STRONG DOWNWARD MOTION PROGGED.
THERE IS PLENTY OF MOISTURE OVERNIGHT THROUGH ABOUT NOON FRIDAY FOR
THE MOUNTAINS.  THE PLAINS DONT GET DECENT MOISTURE UNTIL AFTER
MIDNIGHT BUT IT CONTINUES WELL INTO FRIDAY AFTERNOON.  THE LOW LEVEL
PRESSURE AND WINDS FIELDS SHOW A SIGNIFICANT PRESSURE GRADIENT
OVERNIGHT INTO FRIDAY.  HIGH WIND CRITERIA LOOKS GOOD OVER MOST OF
THE PLAINS...WILL WARNING ACCORDINGLY.  THICKNESS AND TEMPERATURES
GRIDS...ALONG WITH WET BULB ZERO OFF THE SOUNDINGS SHOW IT COLD
ENOUGH TO SNOW FOR ALL THE PLAINS...AT LEAST AFTER 09Z FRIDAY
MORNING.  THE BETTER PRECIPITATION AMOUNTS SHOULD BE OVER THE
NORTHERN TWO-THIRDS OF THE PLAINS...SO WILL GO WITH A BLIZZARD
WARNING THERE.  THERE MAY NOT BE A LOT OF SNOW BUT THERE WILL BE
ENOUGH WITH THE WINDS EXPECTED TO WARRANT THE WARNING.  FOR
TEMPERATURES...WILL LEAN TOWARDS THE COOLER ETA.

.LONG TERM DISCUSSION...WINDS WILL BE COMING DOWN FRIDAY EVENING...
THOUGH WE MAY NEED TO WATCH THE NE CORNER TO SEE IF THINGS UNWIND
MORE SLOWLY THAN EXPECTED. WENT CLOSER TO THE COLDER ETA GUIDANCE
FRI NIGHT...THOUGH THERE COULD BE TOO MUCH MOISTURE TO GET MUCH
BELOW FREEZING. LEFT TEMPERATURES ALONG FOR THE WEEKEND AS THERE IS
PLENTY OF WARMING ALOFT. IF THE SNOW IS ENOUGH TO STICK AROUND FOR A
WHILE THE TEMPERATURES WILL NEED TO BE LOWERED...THIS IS MOST LIKELY
IN THE NORTHEAST CORNER BUT EVEN IF THERE IS DECENT SNOW IT SHOULD
MAKE THE 50S SATURDAY AND GET RID OF THE SNOW BY SUNDAY.

NEXT SYSTEM IS A WEAK TROUGH ABOUT TUESDAY. THERE COULD BE SOME
MOISTURE IN PLACE AT LOW LEVELS...EVEN WITH A WEAK SYSTEM WE COULD
HAVE SOME SHOWERS. A STRONGER SYSTEM FOR THURSDAY OR LATER BUT
MOISTURE COULD BE FLUSHED EASTWARD. WILL ADD LOW POPS EVERYWHERE
TUE/THU AND IN THE MOUNTAINS WED AS WELL AS LINGERING MOISTURE AND
INSTABILITY WILL BE AROUND. WENT WITH SHOWERS FOR NOW BUT MAY BE
THUNDERSTORMS INSTEAD.
&&

.BOU WATCHES/WARNINGS/ADVISORIES...SNOW AND BLOWING SNOW
   ADVISORY NOW THROUGH 10 AM FRIDAY...ZONES 31..33..34.
...HIGH WIND WARNING FROM MIDNIGHT TONIGHT MIDNIGHT THROUGH 2 PM
   FRIDAY AFTERNOON...ZONES 43..45..46..47.
...HIGH WIND WARNING FROM MIDNIGHT TONIGHT THROUGH 3 AM FRIDAY
   MORNING...ZONES 42..44..48..49..50..51.
...BLIZZARD WARNING FROM 3 AM FRIDAY MORNING THROUGH 2 PM FRIDAY
   AFTERNOON...ZONES 42..44..48..49..59..51.

&&

KOOPMEINERS/GIMMESTAD
Hazardous weather outlook, Apr 6, 10:53 AM MDT, 4 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
1053 AM MDT THU APR 06 2006

COZ030>051-071200-
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-
1053 AM MDT THU APR 06 2006

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

...HIGH WIND WATCH FOR PORTIONS OF THE NORTHEAST PLAINS OF COLORADO
LATE TONIGHT THROUGH EARLY FRIDAY AFTERNOON...
...SNOW AND BLOWING SNOW ADVISORY FOR THE NORTH CENTRAL MOUNTAINS
THIS AFTERNOON THROUGH EARLY FRIDAY MORNING...

.DAY ONE...TODAY AND TONIGHT

SCATTERED SNOW SHOWERS IN THE MOUNTAINS THIS MORNING WILL INCREASE
THIS AFTERNOON.  AS THE NEXT STORM WILL BRINGS STRONG WINDS TO MUCH
OF THE FORECAST AREA.  WIDESPREAD SNOW AND BLOWING SNOW ARE EXPECTED
IN THE MOUNTAINS OVERNIGHT.  ACCUMULATIONS SHOULD BE UP TO 8 INCHES
AT MOST.  WINDS GUSTS TO 65 MPH ARE EXPECTED WITH BLOWING SNOW.
NORTHWEST TO NORTH WINDS GUSTING TO 60 ARE EXPECTED ON THE PLAINS
TONIGHT.  SOME PRECIPITATION IS EXPECTED OVER THE PLAINS TONIGHT.
IT WILL LIKELY BE COLD ENOUGH FOR IT TO BE SNOW.  SNOWFALL ALONG
WITH THE STRONG WINDS WILL PRODUCE BLIZZARD CONDITIONS OF THE
NORTHEAST PLAINS OF COLORADO.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

STRONG NORTH WINDS WILL CONTINUE ACROSS THE NORTHEAST PLAINS OF
COLORADO THROUGH EARLY AFTERNOON FRIDAY.  SUSTAINED SPEEDS OF 30 TO
45 MPH WITH GUSTS AROUND 65 MPH CAN BE EXPECTED IN AREAS EAST OF A
LINE FROM CHEYENNE WYOMING TO GREELEY...BENNETT...AND KIOWA.  THE
STRONG WINDS MAY COMBINE WITH A BRIEF PERIOD OF MODERATE TO HEAVY
SNOWFALL DURING THE EARLY MORNING HOURS TO PRODUCE POSSIBLE BLIZZARD
CONDITIONS...ESPECIALLY OVER THE HIGHER ELEVATIONS FROM THE PALMER
DIVIDE EAST AND NORTHEAST TOWARD LIMON AND AKRON.  THE WINDS WILL
SUBSIDE SIGNIFICANTLY LATE FRIDAY AFTERNOON AND EARLY FRIDAY EVENING.

IN THE MOUNTAINS...SNOW AND BLOWING SNOW WILL GRADUALLY DIMINISH
DURING THE LATE MORNING HOURS FRIDAY.  TOTAL SNOW ACCUMULATIONS IN
THE MOUNTAINS ARE EXPECTED TO RANGE BETWEEN 6 AND 12 INCHES.

A STRONG SPRING STORM SYSTEM DEVELOPING OVER THE CENTRAL PLAINS WILL
PRODUCE THE WINDY CONDITIONS AND SNOWFALL.

RESIDENTS OF NORTHEAST COLORADO AND PERSONS PLANNING TRAVEL ACROSS
THE REGION LATE TONIGHT OR FRIDAY MORNING SHOULD STAY TUNED TO THE
NATIONAL WEATHER SERVICE FOR THE LATEST FORECASTS AND POSSIBLE
WARNINGS CONCERNING THIS SPRING STORM SYSTEM.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 4:30 AM MDTHigh Wind WatchBOUAdams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more11 hr
Apr 6, 3:21 PM MDTHigh Wind WarningBOUAdams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more23 hr

Nearby

Blizzard Warnings in Colorado, 2006Every blizzard 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.