Alert archive / Colorado / Blizzard Warnings in 2009

Blizzard Warning 2, NWS Denver/Boulder, CO

April 3, 200910 counties in Colorado

NWS Denver/Boulder, CO issued this blizzard warning at Apr 3, 2009, 11:50 AM MDT for 10 counties in Colorado. It took effect at Apr 4, 2009, 12:00 AM MDT. It was in force for 30 hr. 18 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 3, 2009, 11:50 AM MDT (17:50 UTC)
In effect from
Apr 4, 2009, 12:00 AM MDT
Expired
Apr 5, 2009, 6:00 AM MDT
In force
30 hr
Issued by
NWS Denver/Boulder, CO

Counties Adams County, CO, Arapahoe 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), 90 km from the middle of the area, began a volume at 17:55 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 4, 7:00 AM MDTSNOW 2Hereford, CO
Apr 4, 7:30 AM MDTSNOW 2.53 W Greeley, CO
Apr 4, 9:06 AM MDTSNOW 2.5Iliff, CO
Apr 4, 9:50 AM MDTBLIZZARD15 N Akron, COAMBULANCE REPORTED WHITE OUT CONDITIONS ON HIGHWAY 63 FROM APPROXIMATELY 15 MILES NORTH OF AKRON NORTHWARD TO THE COUNTY LINE. WIND SPEEDS ESTIMATED AT 30 MPH WITH SNOWFALL AT 2 TO 3 INCHES IN NORTHERN WASHINGTON AND SOUTHERN LOGAN COUNTY.
Apr 4, 11:15 AM MDTBLIZZARDPleasant Valley, COWHITE OUT CONDITIONS WITH WIND SPEEDS ESTIMATED AT 30 TO 40 MPH. ESTIMATED SNOWFALL AT 2 TO 3 INCHES.
Apr 4, 11:29 AM MDTBLIZZARD1 Ne Gill, COWHITE OUT CONDITIONS WITH WIND SPEEDS ESTIMATED AT 35 TO 40 MPH. ESTIMATED 4 TO 5 INCHES OF SNOWFALL.
Apr 4, 12:09 PM MDTBLIZZARDIliff, COWHITE OUT CONDITIONS ALONG HIGHWAY 138 BETWEEN ILIFF AND STERLING. SUSTAINED WIND SPEEDS ESTIMATED AT 35 TO 40 MPH WITH HIGHER GUSTS. SNOWFALL MEASURED AT 5 INCHES WITH 2 TO 3 FOOT DRIFTS.
Apr 4, 12:09 PM MDTBLIZZARDIliff, COWHITE OUT CONDITIONS ALONG HIGHWAY 138 BETWEEN ILIFF AND STERLING. WIND SPEEDS ESTIMATED AT 35 TO 40 MPH WITH HIGHER GUSTS. SNOWFALL MEASURED AT 5 INCHES WITH 2 TO 3 FOOT DRIFTS.
Apr 4, 12:35 PM MDTBLIZZARD1 Nw Fort Morgan, COMEASURED 40 TO 45 MPH SUSTAINED WITH A GUST TO 57 MPH. EXTENSIVE AND PROLONGED WHITE OUT CONDITIONS.
Apr 4, 1:40 PM MDTBLIZZARDAkron, COWHITE OUT CONDITIONS IN AKRON AND ALONG HWY 63 FROM STERLING SOUTH TO ANTON. AKRON ASOS REPORTING 40 MPH SUSTAINED WITH GUSTS TO 49 MPH.
Apr 4, 5:00 PM MDTSNOW 3Julesburg, CO
Apr 4, 5:26 PM MDTBLIZZARDHaxtun, COGUST TO 58 MPH. VISIBLIITY LESS THAN 100 YARDS.
Apr 4, 5:27 PM MDTBLIZZARDGenoa, COZERO VISIBILITY WITH WHITEOUT CONDITIONS.
Apr 4, 5:30 PM MDTBLIZZARDNnw Peetz, COWINDS 48 MPH GUSTS TO 60 MPH. 4 TO 5 FOOT DRIFTS. SNOW ESTIMATE 1 FOOT. 100 FEET VISIBILITY.
Apr 4, 5:34 PM MDTBLIZZARDIliff, COSNOWING WITH 45 TO 50 MPH WINDS WITH HIGHER GUSTS. ZERO VISIBILITY. 7 INCHES OF SNOW WITH DRIFTS 3 TO 5 FEET.
Apr 4, 7:00 PM MDTBLIZZARDJulesburg, COWINDS UP TO 50 MPH WITH NEAR ZERO VISIBILITY. 5 INCHES OF SNOW PAST 12 HOURS.
Apr 4, 7:16 PM MDTBLIZZARDPleasant Valley, COWHITEOUT CONDITIONS WITH STRONG WINDS AND ZERO VISIBILITY LAST 2 HOURS. THREE TO FOUR FOOT DRIFTS.
Apr 4, 7:29 PM MDTBLIZZARDAkron, COBLIZZARD CONDITIONS COVERING MOST OF COUNTY. HIGHWAY 71 CLOSED FROM AKRON TO LIMON.

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, 5.8 hours before the alert went out and 36 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 2009-04-03Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2009-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 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
1890 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
182 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 031750
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1150 AM MDT FRI APR 3 2009

...HEAVY SNOW AND STRONG WINDS ON THE WAY FOR NORTH CENTRAL AND
NORTHEAST COLORADO...

.A POWERFUL WINTER-LIKE STORM SYSTEM ORGANIZING IN THE GREAT
BASIN TODAY IS FORECAST TO TRACK EAST ACROSS COLORADO LATE TONIGHT
AND SATURDAY MORNING...AND THEN OUT ACROSS THE CENTRAL PLAINS BY
SATURDAY NIGHT. THE EXACT PATH OF THIS STORM WILL HAVE LARGE
IMPLICATIONS ON TOTAL SNOWFALL. 

BANDS OF HEAVY SNOW HAD ALREADY DEVELOP ACROSS THE MOUNTAINS AND
WILL CONTINUE TO MOVE ACROSS THE HIGH COUNTRY THROUGH SATURDAY.
ISOLATED THUNDERSTORMS COULD BRING BRIEF PERIODS OF VERY HEAVY
SNOWFALL. IN THE LOWER ELEVATIONS...RAIN SHOWERS WILL DEVELOP
LATE THIS AFTERNOON INTO EARLY EVENING...AND THEN CHANGE TO SNOW.
THE HEAVIEST SNOW IS EXPECTED TO DEVELOP IN AND NEAR THE FRONT
RANGE FOOTHILLS LATE THIS EVENING AND CONTINUE INTO THE EARLY
MORNING HOURS SATURDAY. THIS HEAVIER SNOW IS THEN EXPECTED TO
SHIFT EASTWARD DURING THE COURSE OF THE DAY SATURDAY. STRONG WINDS
WILL ALSO BE DEVELOPING WHICH WILL PRODUCE BLIZZARD CONDITIONS
OVER THE NORTHEASTERN PLAINS. EVEN WITH JUST A FEW INCHES OF
SNOWFALL...WIND SPEEDS OF 20 TO 35 MPH WITH GUSTS IN EXCESS OF 50
MPH OVER THE NORTHEASTERN PLAINS OF COLORADO WILL PRODUCE WHITEOUT
CONDITIONS AND EXTREMELY HAZARDOUS OR IMPOSSIBLE DRIVING
CONDITIONS FOR MUCH OF SATURDAY AND SATURDAY NIGHT.

THESE HARSH WINTER-LIKE CONDITIONS SHOULD GRADUALLY IMPROVE FROM
WEST TO EAST SATURDAY NIGHT AS THIS POWERFUL STORM SYSTEM MOVES
AWAY FROM COLORADO.

RESIDENTS IN NORTHEAST AND NORTH CENTRAL COLORADO AND THOSE
PLANNING TRAVEL ACROSS COLORADO...OR IN STATES TO THE NORTH AND
NORTHEAST SHOULD STAY TUNED TO THE NATIONAL WEATHER SERVICE OR
YOUR LOCAL NEWS MEDIA FOR THE LATEST INFORMATION AND UPDATES
CONCERNING THIS POTENTIAL SPRING SNOWSTORM. FOR THE LATEST ROAD
REPORTS AND CLOSURES...CALL THE COLORADO DEPARTMENT OF
TRANSPORTATION AT 303-639-1111.

COZ042-044>046-040000-
/O.UPG.KBOU.WS.A.0005.090404T0600Z-090405T0600Z/
/O.NEW.KBOU.BZ.W.0002.090404T0600Z-090405T0600Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...GROVER...RAYMER...BRUSH...FORT MORGAN...BENNETT...
BYERS...DEER TRAIL...HUGO...LIMON
1150 AM MDT FRI APR 3 2009

...BLIZZARD WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT
MDT SATURDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT
MDT SATURDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT. 

SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP THIS EVENING AND THEN
CHANGE OVER TO ALL SNOW AFTER MIDNIGHT. THE SNOW AND WINDS ARE
EXPECTED TO INTENSIFY QUICKLY BY THE EARLY MORNING HOURS SATURDAY.
NORTH WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE
BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES...ESPECIALLY IN OPEN
AREAS. TOTAL SNOW ACCUMULATIONS BY LATE SATURDAY EVENING ARE
EXPECTED TO RANGE BETWEEN 4 AND 8 INCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ048>051-040000-
/O.UPG.KBOU.WS.A.0005.090404T1200Z-090405T1200Z/
/O.NEW.KBOU.BZ.W.0002.090404T1200Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
1150 AM MDT FRI APR 3 2009

...BLIZZARD WARNING IN EFFECT FROM 6 AM SATURDAY TO 6 AM MDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 AM SATURDAY TO 6 AM MDT
SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP TONIGHT AND THEN 
CHANGE OVER TO ALL SNOW BY DAYBREAK SATURDAY. THE SNOW AND WINDS
ARE EXPECTED TO INTENSIFY QUICKLY DURING THE EARLY MORNING HOURS
SATURDAY. NORTH WINDS OF 20 TO 35 MPH WITH GUSTS IN EXCESS OF
50 MPH WILL PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO
VISIBILITIES...ESPECIALLY IN OPEN AREAS. TOTAL SNOW ACCUMULATIONS
BY LATE SATURDAY EVENING ARE EXPECTED TO RANGE BETWEEN 4 AND 8
INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ035-036-040000-
/O.UPG.KBOU.WS.A.0005.090404T0600Z-090405T0600Z/
/O.EXB.KBOU.WS.W.0008.090404T0300Z-090405T0000Z/
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-
INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
1150 AM MDT FRI APR 3 2009

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 PM
MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
9 PM THIS EVENING TO 6 PM MDT SATURDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

SCATTERED RAIN AND SNOW SHOWERS LATE THIS AFTERNOON AND EARLY
EVENING WILL QUICKLY CHANGE OVER TO SNOW BY 9 PM. THE HEAVIEST
SNOW IS EXPECTED TO FALL DURING THE NIGHT-TIME HOURS...AND THEN
GRADUALLY DIMINISH SATURDAY. NORTH WINDS OF 10 TO 20 MPH WITH
GUSTS UP TO 30 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING
SNOW. STORM TOTAL ACCUMULATIONS OF 8 TO 12 INCHES CAN BE
EXPECTED...WITH UP TO 14 INCHES IN THE FOOTHILLS OF LARIMER AND
BOULDER COUNTIES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>041-043-040000-
/O.UPG.KBOU.WS.A.0005.090404T0600Z-090405T0600Z/
/O.EXB.KBOU.WS.W.0008.090404T0300Z-090405T0000Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GREELEY
1150 AM MDT FRI APR 3 2009

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 PM
MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
9 PM THIS EVENING TO 6 PM MDT SATURDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP BY THIS EVENING AND
THEN BECOME MORE WIDESPREAD AND CHANGE TO SNOW LATE THIS EVENING.
THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM THE OVERNIGHT
HOURS TONIGHT INTO SATURDAY MORNING. NORTH WINDS OF 20 TO 30 MPH
WITH GUSTS UP TO 40 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING
SNOW. STORM TOTAL ACCUMULATIONS OF 5 TO 10 INCHES CAN BE
EXPECTED...WITH THE HEAVIEST AMOUNTS OVER EASTERN BOULDER AND
LARIMER COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ031-033-034-040000-
/O.EXT.KBOU.WS.W.0008.090403T1750Z-090405T0000Z/
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...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE...
WINTER PARK
1150 AM MDT FRI APR 3 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM MDT SATURDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 PM MDT
SATURDAY. 

BANDS OF HEAVY SNOW WILL CONTINUE TO MOVE ACROSS THE MOUNTAINS
THROUGH TONIGHT AND SATURDAY. FOR THIS AFTERNOON...THE HEAVIEST
SNOW BAND WITH SNOWFALL RATES AVERAGING 1 INCH PER HOUR WILL BE
SHIFTING NORTHWARD ACROSS GRAND...JACKSON...AND LARIMER COUNTIES.
WINDS WILL BECOME NORTHERLY LATER TONIGHT WITH GUSTS UP TO 40 MPH
ABOVE TIMBERLINE PRODUCING AREAS OF BLOWING AN DRIFTING SNOW.
TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES CAN BE EXPECTED BY
SATURDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ037-040000-
/O.UPG.KBOU.WS.A.0005.090404T0600Z-090405T0600Z/
/O.EXA.KBOU.WW.Y.0019.090404T0000Z-090405T0000Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...HARTSEL...LAKE GEORGE
1150 AM MDT FRI APR 3 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 6 PM THIS EVENING TO 6 PM MDT SATURDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

SCATTERED RAIN AND SNOW SHOWERS THIS AFTERNOON WILL CHANGE OVER TO
ALL SNOW THIS EVENING. A FEW HEAVIER SHOWERS WILL PRODUCE
SNOWFALL RATES IN EXCESS OF 1 INCH PER HOUR. WINDS WILL SHIFT
NORTHERLY WITH GUSTS UP TO 30 MPH LATE TONIGHT AND
SATURDAY...PRODUCING AREAS OF BLOWING AND DRIFTING SNOW. TOTAL
SNOW ACCUMULATIONS OF 4 TO 10 INCHES CAN BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

COZ030-032-040000-
/O.EXT.KBOU.WW.Y.0019.090403T1750Z-090405T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING
1150 AM MDT FRI APR 3 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM MDT
SATURDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 PM MDT
SATURDAY. 

SNOW WILL SPREAD ACROSS NORTH PARK AND MIDDLE PARK TODAY AND MAY
BE HEAVY AT TIMES. THE SNOW WILL GRADUALLY DIMINISH SATURDAY. TOTAL
SNOW ACCUMULATION BY LATE SATURDAY AFTERNOON WILL RANGE FROM 5 TO
10 INCHES. IN ADDITION...NORTHERLY WINDS OF 15 TO 30 MPH WILL ALSO
PRODUCE AREAS OF BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
9 follow-up statements
000 
WWUS45 KBOU 032251
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
451 PM MDT FRI APR 3 2009

...HEAVY SNOW AND STRONG WINDS ON THE WAY FOR NORTH CENTRAL AND
NORTHEAST COLORADO...

.A POWERFUL STORM SYSTEM IN THE GREAT BASIN WILL DROP TO THE FOUR
CORNERS AREA TOMORROW MORNING...THEN MOVE TO EASTERN COLORADO
SATURDAY AFTERNOON. THE EXACT PATH OF THE STORM WILL DECIDE WHERE
THE HEAVIEST SNOW WILL FALL. 

AREAS OF HEAVY SNOW WILL CONTINUE ACROSS THE MOUNTAINS TONIGHT AND
SATURDAY. THERE MAY BE SOME THUNDERSTORMS MIXED IN...AND HEAVY THUNDER
SNOW WILL ALSO BE POSSIBLE. IN THE LOWER ELEVATIONS...RAIN SHOWERS
WILL CONTINUE TO DEVELOP THIS EVENING...CHANGING TO SNOW LATER
THIS EVENING.  THE HEAVIEST SNOW IS EXPECTED TO DEVELOP IN AND
NEAR THE FRONT RANGE FOOTHILLS LATE THIS EVENING AND CONTINUE INTO
THE EARLY MORNING HOURS SATURDAY. THIS HEAVIER SNOW IS THEN
EXPECTED TO SHIFT EASTWARD DURING THE COURSE OF THE DAY SATURDAY.
STRONG WINDS WILL ALSO BE DEVELOPING WHICH WILL PRODUCE BLIZZARD
CONDITIONS OVER THE NORTHEASTERN PLAINS. EVEN WITH JUST A FEW
INCHES OF SNOWFALL...WIND SPEEDS OF 20 TO 35 MPH WITH GUSTS IN
EXCESS OF 50 MPH OVER THE NORTHEASTERN PLAINS OF COLORADO WILL
PRODUCE WHITEOUT CONDITIONS AND EXTREMELY HAZARDOUS OR IMPOSSIBLE
DRIVING CONDITIONS FOR MUCH OF SATURDAY AND SATURDAY NIGHT.

THESE HARSH WINTER-LIKE CONDITIONS SHOULD GRADUALLY IMPROVE FROM
WEST TO EAST SATURDAY NIGHT AS THIS POWERFUL STORM SYSTEM MOVES
AWAY FROM COLORADO.

RESIDENTS IN NORTHEAST AND NORTH CENTRAL COLORADO AND THOSE
PLANNING TRAVEL ACROSS COLORADO...OR IN STATES TO THE NORTH AND
NORTHEAST SHOULD STAY TUNED TO THE NATIONAL WEATHER SERVICE OR
YOUR LOCAL NEWS MEDIA FOR THE LATEST INFORMATION AND UPDATES
CONCERNING THIS POTENTIAL SPRING SNOWSTORM. FOR THE LATEST ROAD
REPORTS AND CLOSURES...CALL THE COLORADO DEPARTMENT OF
TRANSPORTATION AT 303-639-1111.

COZ042-044>046-040500-
/O.CON.KBOU.BZ.W.0002.090404T0600Z-090405T0600Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...GROVER...RAYMER...BRUSH...FORT MORGAN...BENNETT...
BYERS...DEER TRAIL...HUGO...LIMON
451 PM MDT FRI APR 3 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT MDT SATURDAY NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT MDT SATURDAY NIGHT. 

SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP THIS EVENING AND
THEN CHANGE OVER TO ALL SNOW AFTER MIDNIGHT. THE SNOW AND WINDS
ARE EXPECTED TO INTENSIFY QUICKLY BY THE EARLY MORNING HOURS
SATURDAY. NORTH WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH
WILL PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES...
ESPECIALLY IN OPEN AREAS. TOTAL SNOW ACCUMULATIONS BY LATE
SATURDAY EVENING ARE EXPECTED TO RANGE BETWEEN 4 AND 8 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ048>051-040500-
/O.CON.KBOU.BZ.W.0002.090404T1200Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
451 PM MDT FRI APR 3 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM
MDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM
MDT SUNDAY. 

SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP TONIGHT AND THEN
CHANGE OVER TO ALL SNOW BY DAYBREAK SATURDAY. THE SNOW AND WINDS
ARE EXPECTED TO INTENSIFY QUICKLY DURING THE EARLY MORNING HOURS
SATURDAY. NORTH WINDS OF 20 TO 35 MPH WITH GUSTS IN EXCESS OF
50 MPH WILL PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO
VISIBILITIES...ESPECIALLY IN OPEN AREAS. TOTAL SNOW ACCUMULATIONS
BY LATE SATURDAY EVENING ARE EXPECTED TO RANGE BETWEEN 4 AND
8 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ031-033-034-040500-
/O.CON.KBOU.WS.W.0008.000000T0000Z-090405T0000Z/
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...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE...
WINTER PARK
451 PM MDT FRI APR 3 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY.

BANDS OF HEAVY SNOW WILL CONTINUE TO MOVE ACROSS THE MOUNTAINS
THROUGH TONIGHT AND SATURDAY. FOR THIS AFTERNOON...THE HEAVIEST
SNOW BAND WITH SNOWFALL RATES AVERAGING 1 INCH PER HOUR WILL BE
SHIFTING NORTHWARD ACROSS GRAND...JACKSON...AND LARIMER COUNTIES.
WINDS WILL BECOME NORTHERLY LATER TONIGHT WITH GUSTS UP TO 40 MPH
ABOVE TIMBERLINE PRODUCING AREAS OF BLOWING AN DRIFTING SNOW.
TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES CAN BE EXPECTED
BY SATURDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ035-036-040500-
/O.CON.KBOU.WS.W.0008.090404T0300Z-090405T0000Z/
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-
INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
451 PM MDT FRI APR 3 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 6 PM MDT SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 6 PM MDT SATURDAY. 

SCATTERED RAIN AND SNOW SHOWERS LATE THIS AFTERNOON AND EARLY
EVENING WILL QUICKLY CHANGE OVER TO SNOW BY 9 PM. THE HEAVIEST
SNOW IS EXPECTED TO FALL DURING THE NIGHT-TIME HOURS...AND THEN
GRADUALLY DIMINISH SATURDAY. NORTH WINDS OF 10 TO 20 MPH WITH
GUSTS UP TO 30 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING
SNOW. STORM TOTAL ACCUMULATIONS OF 8 TO 12 INCHES CAN BE
EXPECTED...WITH UP TO 14 INCHES IN THE FOOTHILLS OF LARIMER AND
BOULDER COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>041-043-040500-
/O.CON.KBOU.WS.W.0008.090404T0300Z-090405T0000Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GREELEY
451 PM MDT FRI APR 3 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 6 PM MDT SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 6 PM MDT SATURDAY. 

SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP BY THIS EVENING AND
THEN BECOME MORE WIDESPREAD AND CHANGE TO SNOW LATE THIS EVENING.
THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM THE OVERNIGHT
HOURS TONIGHT INTO SATURDAY MORNING. NORTH WINDS OF 20 TO 30 MPH
WITH GUSTS UP TO 40 MPH WILL PRODUCE AREAS OF BLOWING AND
DRIFTING SNOW. STORM TOTAL ACCUMULATIONS OF 5 TO 10 INCHES CAN BE
EXPECTED...WITH THE HEAVIEST AMOUNTS OVER EASTERN BOULDER AND
LARIMER COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ037-040500-
/O.CON.KBOU.WW.Y.0019.090404T0000Z-090405T0000Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...HARTSEL...LAKE GEORGE
451 PM MDT FRI APR 3 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY. 

SCATTERED RAIN AND SNOW SHOWERS EARLY EVENING WILL CHANGE OVER TO
ALL SNOW AFTER SUNSET. A FEW HEAVIER SHOWERS WILL PRODUCE SNOWFALL
RATES IN EXCESS OF 1 INCH PER HOUR. WINDS WILL SHIFT NORTHERLY
WITH GUSTS UP TO 30 MPH LATE TONIGHT AND SATURDAY... PRODUCING
AREAS OF BLOWING AND DRIFTING SNOW. TOTAL SNOW ACCUMULATIONS OF 4
TO 10 INCHES CAN BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

COZ030-032-040500-
/O.CON.KBOU.WW.Y.0019.000000T0000Z-090405T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING
451 PM MDT FRI APR 3 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY. 

SNOW...HEAVY AT TIMES...WILL CONTINUE ACROSS NORTH PARK AND
MIDDLE PARK THIS EVENING AND OVERNIGHT. THE SNOW WILL GRADUALLY 
DIMINISH SATURDAY. TOTAL SNOW ACCUMULATION BY LATE SATURDAY
AFTERNOON WILL RANGE FROM 5 TO 10 INCHES. IN ADDITION...NORTHERLY
WINDS OF 15 TO 30 MPH WILL ALSO PRODUCE AREAS OF BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
000 
WWUS45 KBOU 040334
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
934 PM MDT FRI APR 3 2009

...HEAVY SNOW AND STRONG WINDS ON THE WAY FOR NORTH CENTRAL AND
NORTHEAST COLORADO...

.AREAS OF HEAVY SNOW WILL CONTINUE ACROSS THE MOUNTAINS TONIGHT
AND SATURDAY. THERE MAY BE SOME THUNDERSTORMS MIXED IN...AND HEAVY
THUNDER SNOW WILL ALSO BE POSSIBLE. IN THE LOWER ELEVATIONS...A
MIX OF RAIN AND SNOW SHOWERS THIS EVENING WILL CHANGE OVER ALL TO
SNOW BY MIDNIGHT. THE HEAVIEST SNOW IS EXPECTED TO DEVELOP IN AND
NEAR THE FRONT RANGE FOOTHILLS TONIGHT AND CONTINUE INTO THE
EARLY MORNING HOURS SATURDAY. THIS HEAVIER SNOW IS THEN EXPECTED
TO SHIFT EASTWARD DURING THE COURSE OF THE DAY SATURDAY. STRONG
WINDS WILL ALSO BE DEVELOPING WHICH WILL PRODUCE BLIZZARD
CONDITIONS OVER THE NORTHEASTERN PLAINS. EVEN WITH JUST A FEW
INCHES OF SNOWFALL...WIND SPEEDS OF 20 TO 35 MPH WITH GUSTS IN
EXCESS OF 50 MPH OVER THE NORTHEASTERN PLAINS OF COLORADO WILL
PRODUCE WHITEOUT CONDITIONS AND EXTREMELY HAZARDOUS OR IMPOSSIBLE
DRIVING CONDITIONS FOR MUCH OF SATURDAY AND SATURDAY NIGHT.

THESE HARSH WINTER-LIKE CONDITIONS SHOULD GRADUALLY IMPROVE FROM
WEST TO EAST SATURDAY NIGHT AS THIS POWERFUL STORM SYSTEM MOVES
AWAY FROM COLORADO.


COZ042-044>046-041000-
/O.CON.KBOU.BZ.W.0002.090404T0600Z-090405T0600Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...GROVER...RAYMER...BRUSH...FORT MORGAN...BENNETT...
BYERS...DEER TRAIL...HUGO...LIMON
934 PM MDT FRI APR 3 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT SATURDAY
NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT SATURDAY
NIGHT. 

SCATTERED RAIN AND SNOW SHOWERS ARE EXPECTED TO CHANGE OVER TO
ALL SNOW AFTER MIDNIGHT. THE SNOW AND WINDS ARE THEN EXPECTED TO
INTENSIFY THROUGH THE EARLY MORNING HOURS SATURDAY. NORTH WINDS OF
20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLIZZARD
CONDITIONS AND NEAR ZERO VISIBILITIES... ESPECIALLY IN OPEN AREAS.
TOTAL SNOW ACCUMULATIONS BY LATE SATURDAY EVENING ARE EXPECTED TO
RANGE BETWEEN 4 AND 8 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ048>051-041000-
/O.CON.KBOU.BZ.W.0002.090404T1200Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
934 PM MDT FRI APR 3 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM
MDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM
MDT SUNDAY. 

SCATTERED RAIN AND SNOW SHOWERS WILL CHANGE OVER TO ALL SNOW BY
DAYBREAK SATURDAY. THE SNOW AND WIND ARE EXPECTED TO INTENSIFY
THROUGH THE EARLY MORNING HOURS SATURDAY. NORTH WINDS OF 20 TO 35
MPH WITH GUSTS IN EXCESS OF 50 MPH WILL PRODUCE BLIZZARD
CONDITIONS AND NEAR ZERO VISIBILITIES...ESPECIALLY IN OPEN AREAS.
TOTAL SNOW ACCUMULATIONS BY LATE SATURDAY EVENING ARE EXPECTED TO
RANGE BETWEEN 4 AND 8 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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>036-041000-
/O.CON.KBOU.WS.W.0008.000000T0000Z-090405T0000Z/
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-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-
INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE...
WINTER PARK...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
934 PM MDT FRI APR 3 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY.

BANDS OF HEAVY SNOW WILL CONTINUE TO MOVE ACROSS THE MOUNTAINS
TONIGHT THROUGH SATURDAY. WINDS WILL BECOME NORTHERLY OVERNIGHT
WITH GUSTS UP TO 40 MPH ABOVE TIMBERLINE PRODUCING AREAS OF
BLOWING AND DRIFTING SNOW. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20
INCHES CAN BE EXPECTED BY SATURDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>041-043-041000-
/O.CON.KBOU.WS.W.0008.000000T0000Z-090405T0000Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GREELEY
934 PM MDT FRI APR 3 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY.

SCATTERED RAIN AND SNOW SHOWERS WILL BECOME WIDESPREAD AND CHANGE
TO SNOW BY MIDNIGHT. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR
LATE TONIGHT INTO SATURDAY MORNING. NORTH WINDS OF 20 TO 30 MPH
WITH GUSTS UP TO 40 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING
SNOW. STORM TOTAL ACCUMULATIONS OF 5 TO 10 INCHES CAN BE
EXPECTED...WITH THE HEAVIEST AMOUNTS OVER EASTERN BOULDER AND
LARIMER COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ037-041000-
/O.CON.KBOU.WW.Y.0019.000000T0000Z-090405T0000Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...HARTSEL...LAKE GEORGE
934 PM MDT FRI APR 3 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY. 

SCATTERED SNOW SHOWERS WILL BECOME WIDESPREAD OVERNIGHT. A FEW
HEAVIER SHOWERS WILL PRODUCE SNOWFALL RATES IN EXCESS OF 1 INCH
PER HOUR. WINDS WILL SHIFT NORTHERLY WITH GUSTS UP TO 30 MPH LATE
TONIGHT AND SATURDAY... PRODUCING AREAS OF BLOWING AND DRIFTING
SNOW. TOTAL SNOW ACCUMULATIONS OF 4 TO 10 INCHES CAN BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

COZ030-032-041000-
/O.CON.KBOU.WW.Y.0019.000000T0000Z-090405T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING
934 PM MDT FRI APR 3 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY. 

SNOW...HEAVY AT TIMES...WILL CONTINUE ACROSS NORTH PARK AND
MIDDLE PARK OVERNIGHT. THE SNOW WILL GRADUALLY DIMINISH SATURDAY.
TOTAL SNOW ACCUMULATION BY LATE SATURDAY AFTERNOON WILL RANGE FROM
5 TO 10 INCHES. IN ADDITION...NORTHERLY WINDS OF 15 TO 30 MPH WILL
ALSO PRODUCE AREAS OF BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$
000 
WWUS45 KBOU 040656
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1256 AM MDT SAT APR 4 2009

...HEAVY SNOW AND STRONG WINDS DEVELOPING FOR NORTH CENTRAL AND
NORTHEAST COLORADO...

.THE STORM SYSTEM CONTINUES TO DEVELOP NEAR THE FOUR CORNERS
REGION TONIGHT AND IS EXPECTED TO TRACK ACROSS SOUTHERN COLORADO
ON SATURDAY. HEAVY SNOW HAS DEVELOPED ACROSS THE NORTHERN FRONT
RANGE FOOTHILLS AND ADJACENT PLAINS...MAINLY FROM BOULDER
NORTHWARD TO THE WYOMING BORDER. ONE TO 2 INCHES OF SNOW HAVE
ALREADY FALLEN IN THE FORT COLLINS AREA. THE SNOW WILL GRADUALLY
SPREAD EAST AND SOUTH THROUGH THE NIGHT. STRONG WINDS WILL ALSO BE
DEVELOPING WHICH WILL PRODUCE BLIZZARD CONDITIONS OVER THE
NORTHEASTERN PLAINS ON SATURDAY. EVEN WITH JUST A FEW INCHES OF
SNOWFALL...WIND SPEEDS OF 20 TO 35 MPH WITH GUSTS IN EXCESS OF 50
MPH OVER THE NORTHEASTERN PLAINS OF COLORADO WILL PRODUCE WHITEOUT
CONDITIONS AND EXTREMELY HAZARDOUS OR IMPOSSIBLE DRIVING
CONDITIONS FOR MUCH OF SATURDAY AND SATURDAY NIGHT.

THESE HARSH WINTER-LIKE CONDITIONS SHOULD GRADUALLY IMPROVE FROM
WEST TO EAST SATURDAY NIGHT AS THIS POWERFUL STORM SYSTEM MOVES
AWAY FROM COLORADO.

COZ042-044>046-041300-
/O.CON.KBOU.BZ.W.0002.000000T0000Z-090405T0600Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...GROVER...RAYMER...BRUSH...FORT MORGAN...BENNETT...
BYERS...DEER TRAIL...HUGO...LIMON
1256 AM MDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

SNOW WILL DEVELOP DURING THE NIGHT...BECOMING HEAVY AT TIMES
DURING THE EARLY MORNING HOURS. NORTHERLY WINDS WILL INCREASE WITH
SPEEDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH TOWARDS DAWN AND WILL
PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES...
ESPECIALLY IN OPEN AREAS. TOTAL SNOW ACCUMULATIONS BY LATE
SATURDAY EVENING ARE EXPECTED TO RANGE BETWEEN 4 AND 8 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ048>051-041300-
/O.CON.KBOU.BZ.W.0002.090404T1200Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
1256 AM MDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
6 AM MDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
6 AM MDT SUNDAY. 

SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP LATER TONIGHT AND CHANGE
OVER TO ALL SNOW BY DAYBREAK SATURDAY. THE SNOW AND WIND ARE
EXPECTED TO INTENSIFY THROUGH THE EARLY MORNING HOURS SATURDAY.
NORTH WINDS OF 20 TO 35 MPH WITH GUSTS IN EXCESS OF 50 MPH WILL
PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES...ESPECIALLY
IN OPEN AREAS. TOTAL SNOW ACCUMULATIONS BY LATE SATURDAY EVENING
ARE EXPECTED TO RANGE BETWEEN 4 AND 8 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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>036-041300-
/O.CON.KBOU.WS.W.0008.000000T0000Z-090405T0000Z/
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-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-
INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE...
WINTER PARK...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
1256 AM MDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW WILL CONTINUE ACROSS THE NORTH CENTRAL MOUNTAINS...AND MAY BE
HEAVY AT TIMES ALONG AND EAST OF THE DIVIDE AND ESPECIALLY ALONG
THE NORTHERN FRONT RANGE FOOTHILLS. WINDS WILL BECOME NORTHERLY
OVERNIGHT WITH GUSTS UP TO 40 MPH ABOVE TIMBERLINE PRODUCING AREAS
OF BLOWING AND DRIFTING SNOW. TOTAL SNOWFALL ACCUMULATIONS OF 10
TO 20 INCHES CAN BE EXPECTED BY SATURDAY EVENING...HIGHEST AMOUNTS
IN THE FOOTHILLS OF LARIMER COUNTY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>041-043-041300-
/O.CON.KBOU.WS.W.0008.000000T0000Z-090405T0000Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GREELEY
1256 AM MDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW WILL CONTINUE TO BECOME MORE WIDESPREAD THROUGH THE NIGHT
WITH SNOW BECOMING HEAVY AT TIMES. THE HEAVIEST SNOWFALL IS
EXPECTED TO OCCUR LATE TONIGHT INTO SATURDAY MORNING. NORTH WINDS
OF 20 TO 30 MPH WITH GUSTS UP TO 40 MPH WILL PRODUCE AREAS OF
BLOWING AND DRIFTING SNOW. STORM TOTAL ACCUMULATIONS OF 4 TO 10
INCHES CAN BE EXPECTED...WITH THE HEAVIEST AMOUNTS OVER EASTERN
BOULDER AND LARIMER COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ037-041300-
/O.CON.KBOU.WW.Y.0019.000000T0000Z-090405T0000Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...HARTSEL...LAKE GEORGE
1256 AM MDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SCATTERED SNOW SHOWERS WILL BECOME WIDESPREAD OVERNIGHT. A FEW
HEAVIER SHOWERS WILL PRODUCE SNOWFALL RATES IN EXCESS OF 1 INCH
PER HOUR. WINDS WILL SHIFT NORTHERLY WITH GUSTS UP TO 30 MPH LATE
TONIGHT AND SATURDAY... PRODUCING AREAS OF BLOWING AND DRIFTING
SNOW. TOTAL SNOW ACCUMULATIONS OF 4 TO 10 INCHES CAN BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

COZ030-032-041300-
/O.CON.KBOU.WW.Y.0019.000000T0000Z-090405T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING
1256 AM MDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW WILL CONTINUE ACROSS NORTH PARK AND MIDDLE PARK OVERNIGHT.
THE SNOW WILL GRADUALLY DIMINISH SATURDAY. TOTAL SNOW ACCUMULATION
BY LATE SATURDAY AFTERNOON WILL RANGE FROM 5 TO 10 INCHES. IN
ADDITION...NORTHERLY WINDS OF 15 TO 30 MPH WILL ALSO PRODUCE AREAS
OF BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

SWE
000 
WWUS45 KBOU 041116
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
516 AM MDT SAT APR 4 2009

.THE STORM SYSTEM ACROSS SOUTHWEST COLORADO WILL CONTINUE TO
TRACK EAST AND NORTHEAST ACROSS SOUTHERN COLORADO EARLY THIS
MORNING AND INTO WESTERN KANSAS BY LATER TODAY. DRIER AIR HAS WORKED
INTO THE FRONT RANGE AND RESULTED IN DIMINISHING SNOW DURING THE
PAST FEW HOURS. HOWEVER...AS THE LOW MOVES EASTWARD SNOW IS
EXPECTED TO INCREASE AGAIN EARLY THIS MORNING AND PUSH EASTWARD
OVER THE PLAINS. DUE TO THE DECREASING SNOW TRENDS
OVERNIGHT AND RAIN LAST EVENING...TOTAL SNOWFALL AMOUNTS EXPECTED
THROUGH TONIGHT HAVE BEEN LOWERED IN MOST LOCALES.

AS OF 5 AM...SNOWFALL ESTIMATES OF 6 TO 12 INCHES HAVE FALLEN IN
THE NORTHERN FRONT RANGE FOOTHILLS OF BOULDER AND LARIMER
COUNTIES...WHILE 1 TO 3 INCHES HAVE FALLEN ALONG THE URBAN
CORRIDOR WITH THE HEAVIER AMOUNTS FROM FORT COLLINS TO THE WYOMING
BORDER.

STRONG NORTHERLY WINDS WILL INCREASE THIS MORNING WHICH WILL
PRODUCE BLIZZARD CONDITIONS OVER THE NORTHEASTERN PLAINS. EVEN
WITH JUST A FEW INCHES OF SNOWFALL...WIND SPEEDS OF 20 TO 35 MPH
WITH GUSTS IN EXCESS OF 50 MPH OVER THE NORTHEASTERN PLAINS OF
COLORADO WILL PRODUCE WHITEOUT CONDITIONS AND EXTREMELY HAZARDOUS
OR IMPOSSIBLE DRIVING CONDITIONS FOR MUCH OF SATURDAY AND SATURDAY
NIGHT.

THESE HARSH WINTER-LIKE CONDITIONS SHOULD GRADUALLY IMPROVE FROM
WEST TO EAST SATURDAY NIGHT AS THIS POWERFUL STORM SYSTEM MOVES
AWAY FROM COLORADO.

COZ042-044>046-041730-
/O.CON.KBOU.BZ.W.0002.000000T0000Z-090405T0600Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...GROVER...RAYMER...BRUSH...FORT MORGAN...BENNETT...
BYERS...DEER TRAIL...HUGO...LIMON
516 AM MDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

SNOW WILL DEVELOP DURING THE EARLY MORNING HOURS AND BECOME HEAVY
AT TIMES. NORTHERLY WINDS WILL INCREASE WITH SPEEDS OF 20 TO 35
MPH WITH GUSTS AROUND 50 MPH BY LATER THIS MORNING AND WILL
PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES...
ESPECIALLY IN OPEN AREAS. TOTAL SNOW ACCUMULATIONS BY LATE
SATURDAY EVENING ARE EXPECTED TO RANGE BETWEEN 3 AND 6 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ048>051-041730-
/O.CON.KBOU.BZ.W.0002.090404T1200Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
516 AM MDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY. 

SNOW SHOWERS WILL DEVELOP EARLY THIS MORNING WHILE NORTHWEST WINDS
INCREASE. THE SNOW AND WIND ARE EXPECTED TO INTENSIFY BY LATER
THIS MORNING. NORTH WINDS OF 20 TO 35 MPH WITH GUSTS IN EXCESS OF
50 MPH WILL PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO
VISIBILITIES...ESPECIALLY IN OPEN AREAS. TOTAL SNOW ACCUMULATIONS
BY LATE SATURDAY EVENING ARE EXPECTED TO RANGE BETWEEN 4 AND 8
INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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>036-041730-
/O.CON.KBOU.WS.W.0008.000000T0000Z-090405T0000Z/
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-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-
INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE...
WINTER PARK...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
516 AM MDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW WILL INCREASE ACROSS THE NORTH CENTRAL MOUNTAINS THIS
MORNING...AND MAY BE HEAVY AT TIMES ALONG AND EAST OF THE DIVIDE.
WINDS WILL BECOME NORTHERLY WITH GUSTS UP TO 30 MPH ABOVE
TIMBERLINE PRODUCING AREAS OF BLOWING AND DRIFTING SNOW. TOTAL
SNOWFALL ACCUMULATIONS OF 6 TO 18 INCHES CAN BE EXPECTED BY
SATURDAY EVENING...HIGHEST AMOUNTS IN THE FOOTHILLS OF LARIMER
COUNTY. LOWER AMOUNTS WILL BE WEST OF THE DIVIDE IN THE HIGH
MOUNTAIN VALLEYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>041-043-041730-
/O.CON.KBOU.WS.W.0008.000000T0000Z-090405T0000Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GREELEY
516 AM MDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW WILL BECOME MORE WIDESPREAD BY THE MID MORNING HOURS. 
NORTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 40
MPH...WHICH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW.
STORM TOTAL ACCUMULATIONS OF 3 TO 8 INCHES CAN BE EXPECTED...WITH
THE HEAVIEST AMOUNTS OVER EASTERN BOULDER AND LARIMER COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ037-041730-
/O.CON.KBOU.WW.Y.0019.000000T0000Z-090405T0000Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...HARTSEL...LAKE GEORGE
516 AM MDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW SHOWERS WILL INCREASE THIS MORNING...BECOME HEAVY AT TIMES
BEFORE DECREASING THIS AFTERNOON. WINDS WILL SHIFT NORTHERLY WITH
GUSTS UP TO 30 MPH TODAY... PRODUCING AREAS OF BLOWING AND
DRIFTING SNOW. TOTAL SNOW ACCUMULATIONS OF 3 TO 8 INCHES CAN BE
EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

COZ030-032-041730-
/O.CON.KBOU.WW.Y.0019.000000T0000Z-090405T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING
516 AM MDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW WILL CONTINUE ACROSS NORTH PARK AND MIDDLE PARK THIS
MORNING....THEN GRADUALLY DECREASE THIS AFTERNOON. TOTAL SNOW
ACCUMULATION BY LATE SATURDAY AFTERNOON WILL RANGE FROM 3 TO 6 INCHES.
IN ADDITION...NORTHERLY WINDS OF 15 TO 30 MPH WILL ALSO PRODUCE
AREAS OF BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$


SWE
000 
WWUS45 KBOU 041813
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1213 PM MDT SAT APR 4 2009

.A STRONG STORM SYSTEM LOCATED IN EASTERN COLORADO WILL CONTINUE
TO AFFECT PORTIONS OF THE EASTERN COLORADO PLAINS THROUGH TONIGHT.
STRONG NORTHERLY WINDS WILL CONTINUE THROUGH THE EVENING WHICH
WILL PRODUCE BLIZZARD CONDITIONS OVER PORTIONS OF THE NORTHEASTERN
PLAINS. EVEN WITH JUST A FEW INCHES OF SNOWFALL...WIND SPEEDS OF
20 TO 35 MPH WITH GUSTS IN EXCESS OF 50 MPH OVER THE NORTHEASTERN
PLAINS OF COLORADO WILL PRODUCE WHITEOUT CONDITIONS AND EXTREMELY
HAZARDOUS OR IMPOSSIBLE DRIVING CONDITIONS FOR MUCH OF THIS AFTERNOON
AND TONIGHT.

THESE HARSH WINTER-LIKE CONDITIONS SHOULD GRADUALLY IMPROVE TONIGHT
AS THIS POWERFUL STORM SYSTEM MOVES AWAY FROM COLORADO.

COZ031-033-034-050015-
/O.CAN.KBOU.WS.W.0008.000000T0000Z-090405T0000Z/
/O.NEW.KBOU.WW.Y.0020.090404T1813Z-090405T0100Z/
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...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE...
WINTER PARK
1213 PM MDT SAT APR 4 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM MDT THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 7 PM MDT
THIS EVENING. THE WINTER STORM WARNING HAS BEEN CANCELLED.

OCCASIONAL SNOW WILL CONTINUE ACROSS THE MOUNTAINS THIS
AFTERNOON...WITH ADDITIONAL SNOW AMOUNTS OF 4 TO 7 INCHES
EXPECTED. NORTHERLY WINDS WITH GUSTS UP TO 30 MPH ABOVE
TIMBERLINE WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

COZ035-036-038>041-043-041915-
/O.CAN.KBOU.WS.W.0008.000000T0000Z-090405T0000Z/
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-
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-
CENTRAL AND SOUTH WELD COUNTY-
1213 PM MDT SAT APR 4 2009

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER
STORM WARNING. 

LIGHT SNOW WILL CONTINUE THROUGH THE EVENING HOURS...WITH
ACCUMULATIONS OF 1 TO 3 INCHES EXPECTED.

$$

COZ030-032-037-041915-
/O.CAN.KBOU.WW.Y.0019.000000T0000Z-090405T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
CENTRAL AND SOUTHEAST PARK COUNTY-
1213 PM MDT SAT APR 4 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

LIGHT SNOW WILL CONTINUE THROUGH THE AFTERNOON...WITH SNOWFALL 
AMOUNTS OF UP TO 3 INCHES EXPECTED.

$$

COZ042-044>046-050015-
/O.EXT.KBOU.BZ.W.0002.000000T0000Z-090405T0600Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...GROVER...RAYMER...BRUSH...FORT MORGAN...BENNETT...
BYERS...DEER TRAIL...HUGO...LIMON
1213 PM MDT SAT APR 4 2009

...BLIZZARD WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT.

SNOW WILL CONTINUE THROUGH THE EVENING HOURS. NORTHERLY WINDS
OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLIZZARD
CONDITIONS AND NEAR ZERO VISIBILITIES... ESPECIALLY IN OPEN AREAS.
TOTAL SNOW ACCUMULATIONS BY LATE SATURDAY EVENING ARE EXPECTED TO
RANGE BETWEEN 2 AND 5 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ048>051-050015-
/O.EXT.KBOU.BZ.W.0002.090404T1800Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
1213 PM MDT SAT APR 4 2009

...BLIZZARD WARNING NOW IN EFFECT UNTIL 6 AM MDT SUNDAY...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 6 AM MDT SUNDAY. 

SNOW SHOWERS WILL CONTINUE THROUGH TONIGHT. NORTH WINDS OF 20 TO
35 MPH WITH GUSTS IN EXCESS OF 50 MPH WILL PRODUCE BLIZZARD
CONDITIONS AND NEAR ZERO VISIBILITIES...ESPECIALLY IN OPEN AREAS.
TOTAL SNOW ACCUMULATIONS BY LATE SATURDAY EVENING ARE EXPECTED TO
RANGE BETWEEN 3 AND 6 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
LESZCYNSKI
000 
WWUS45 KBOU 050008
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
608 PM MDT SAT APR 4 2009

.A STRONG STORM SYSTEM LOCATED OVER THE CENTRAL PLAINS WILL
CONTINUE TO AFFECT THE NORTHEASTERN COLORADO PLAINS THROUGH TONIGHT.
STRONG NORTHERLY WINDS WILL CONTINUE THROUGH THE EVENING WHICH IS
PRODUCING BLIZZARD CONDITIONS OVER THE NORTHEASTERN PLAINS. EVEN
WITH JUST A FEW INCHES OF SNOWFALL... WIND SPEEDS OF 20 TO 35 MPH
WITH GUSTS TO 60 MPH HAVE PRODUCED WHITEOUT CONDITIONS AND
EXTREMELY HAZARDOUS OR IMPOSSIBLE DRIVING CONDITIONS. THESE HARSH
AND DANGEROUS CONDITIONS WILL CONTINUE THIS EVENING BEFORE
GRADUALLY IMPROVING AFTER MIDNIGHT.

COZ031-033-034-050115-
/O.CAN.KBOU.WW.Y.0020.000000T0000Z-090405T0100Z/
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-
608 PM MDT SAT APR 4 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELED THE WINTER
WEATHER ADVISORY. 

WIDESPREAD SNOW HAS ENDED OVER THE MOUNTAINS AND ONLY SCATTERED
LIGHT SNOW SHOWERS ARE EXPECTED. ADDITIONAL SNOW ACCUMULATIONS
WILL BE LESS THAN 2 INCHES...THEREFORE THE WINTER WEATHER ADVISORY
HAS BEEN CANCELED.

$$

COZ042-044>046-050600-
/O.CON.KBOU.BZ.W.0002.000000T0000Z-090405T0600Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...GROVER...RAYMER...BRUSH...FORT MORGAN...BENNETT...
BYERS...DEER TRAIL...HUGO...LIMON
608 PM MDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

SNOW AND NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 60 MPH WILL
CONTINUE TO PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES
THROUGH THIS EVENING. WHITE-OUT CONDITIONS WITH ZERO VISIBILITY
HAVE BEEN REPORTED OVER NORTHERN LINCOLN...EASTERN ADAMS AND EASTERN
ARAPAHOE COUNTIES. IN ADDITION...TO THE BLIZZARD CONDITIONS ROAD
CLOSURES HAVE BEEN REPORTED. TOTAL SNOW ACCUMULATIONS BY LATE
SATURDAY EVENING ARE EXPECTED TO RANGE BETWEEN 2 AND 6 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ048>051-050615-
/O.CON.KBOU.BZ.W.0002.000000T0000Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
608 PM MDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY. 

SNOW AND NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 60 MPH WILL
CONTINUE TO PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES
THROUGH TONIGHT. WHITE-OUT CONDITIONS WITH ZERO VISIBILITY HAVE BEEN
REPORTED OVER WASHINGTON...LOGAN AND PHILLIPS COUNTIES. IN
ADDITION...TO THE BLIZZARD CONDITIONS ROAD CLOSURES HAVE BEEN
REPORTED. TOTAL SNOW ACCUMULATIONS BY LATE SATURDAY EVENING ARE
EXPECTED TO RANGE BETWEEN 6 AND 14 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
000 
WWUS45 KBOU 050530
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1130 PM MDT SAT APR 4 2009

.A STRONG STORM SYSTEM LOCATED OVER EASTERN NEBRASKA WILL
CONTINUE TO AFFECT THE NORTHEASTERN COLORADO PLAINS THROUGH
TONIGHT. STRONG NORTHERLY WINDS WILL CONTINUE THROUGH THE NIGHT
WHICH IS PRODUCING BLIZZARD CONDITIONS OVER THE NORTHEASTERN
PLAINS. EVEN WITH JUST A FEW INCHES OF SNOWFALL... WIND SPEEDS OF
20 TO 30 MPH WITH GUSTS TO 45 MPH HAVE PRODUCED WHITEOUT
CONDITIONS AND EXTREMELY HAZARDOUS OR IMPOSSIBLE DRIVING
CONDITIONS. THESE HARSH AND DANGEROUS CONDITIONS WILL CONTINUE
THROUGH MUCH OF THE NIGHT...HENCE THE BLIZZARD WARNINGS WILL BE
EXTENDED FOR EASTERN PORTIONS OF ARAPAHOE...ADAMS AND EASTERN
ELBERT AND NORTHERN LINCOLN COUNTIES.

COZ042-044-050630-
/O.CAN.KBOU.BZ.W.0002.000000T0000Z-090405T0600Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
1130 PM MDT SAT APR 4 2009

...BLIZZARD WARNING IS CANCELLED...

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

SNOW AND WINDS HAVE DECREASED THIS EVENING AND ADDITONAL SNOW
ACCUMULATIONS WILL BE UNDER 2 INCHES. NORTHWEST WINDS OF 20 TO 30
MPH WILL STILL CREATE BLOWING SNOW THROUGH MUCH OF THE NIGHT.

$$

COZ045-046-051130-
/O.EXT.KBOU.BZ.W.0002.000000T0000Z-090405T1200Z/
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...BENNETT...BYERS...DEER TRAIL...HUGO...LIMON
1130 PM MDT SAT APR 4 2009

...BLIZZARD WARNING NOW IN EFFECT UNTIL 6 AM MDT SUNDAY...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 6 AM MDT SUNDAY. 

SNOW AND NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL
CONTINUE TO PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO VISIBILITIES
THROUGH THE NIGHT. WHITE-OUT CONDITIONS WITH ZERO VISIBILITY HAVE
BEEN REPORTED OVER NORTHERN LINCOLN...EASTERN ADAMS AND EASTERN
ARAPAHOE COUNTIES. IN ADDITION...TO THE BLIZZARD CONDITIONS MANY ROAD
CLOSURES HAVE BEEN REPORTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ048>051-051130-
/O.CON.KBOU.BZ.W.0002.000000T0000Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
1130 PM MDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY. 

SNOW AND NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 60 MPH WILL
CONTINUE TO PRODUCE BLIZZARD CONDITIONS AND NEAR ZERO
VISIBILITIES THROUGH TONIGHT. WHITE-OUT CONDITIONS WITH ZERO
VISIBILITY HAVE BEEN REPORTED OVER WASHINGTON...LOGAN AND
PHILLIPS COUNTIES. IN ADDITION...TO THE BLIZZARD CONDITIONS ROAD
CLOSURES HAVE BEEN REPORTED. TOTAL SNOW ACCUMULATIONS BY LATE
SATURDAY EVENING ARE EXPECTED TO RANGE BETWEEN 6 AND 14 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

SWE
000 
WWUS45 KBOU 051024
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
424 AM MDT SUN APR 5 2009

COZ045-046-051200-
/O.CON.KBOU.BZ.W.0002.000000T0000Z-090405T1200Z/
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...BENNETT...BYERS...DEER TRAIL...HUGO...LIMON
424 AM MDT SUN APR 5 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS
MORNING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS
MORNING. 

OCCASIONAL LIGHT SNOW AND NORTH WINDS OF 20 TO 35 MPH 
WILL DECREASE DURING THE EARLY MORNING HOURS. WHITE- OUT
CONDITIONS WITH ZERO VISIBILITY HAVE BEEN REPORTED OVER NORTHERN
LINCOLN...EASTERN ADAMS AND EASTERN ARAPAHOE COUNTIES OVERNIGHT. IN
ADDITION...TO THE BLIZZARD CONDITIONS MANY ROAD CLOSURES HAVE BEEN
REPORTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ048>051-051200-
/O.CON.KBOU.BZ.W.0002.000000T0000Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
424 AM MDT SUN APR 5 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS
MORNING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS
MORNING. 

SNOW AND NORTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
GRADUALLY DECREASE DURING THE EARLY MORNING HOURS. WHITE-OUT
CONDITIONS WITH ZERO VISIBILITY HAVE BEEN REPORTED OVER
WASHINGTON...LOGAN AND PHILLIPS COUNTIES. IN ADDITION...TO THE
BLIZZARD CONDITIONS ROAD CLOSURES HAVE BEEN REPORTED. CONDITIONS
WILL RAPIDLY IMPROVE THIS MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

SWE
000 
WWUS45 KBOU 051143
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
543 AM MDT SUN APR 5 2009

COZ045-046-051245-
/O.EXP.KBOU.BZ.W.0002.000000T0000Z-090405T1200Z/
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...BENNETT...BYERS...DEER TRAIL...HUGO...LIMON
543 AM MDT SUN APR 5 2009

...BLIZZARD WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING...

THE BLIZZARD WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING. 

OCCASIONAL SNOW AND STRONG WINDS WILL CONTINUE TO DIMINISH DURING
THE EARLY MORNING HOURS. NORTHWEST WINDS OF 15 TO 30 MPH WILL
DECREASE TO UNDER 20 MPH BY 10 AM. THE WINDS WILL STILL CREATE
SOME BLOWING SNOW AND REDUCED VISIBILITIES IN SPOTS. HIGHWAYS AND
ROADS MAY STILL BE CLOSED ACROSS THE NORTHEAST PLAINS. ANY
ADDITIONAL SNOW ACCUMULATIONS WILL BE UNDER AN INCH. 

$$

COZ048>051-051245-
/O.EXP.KBOU.BZ.W.0002.000000T0000Z-090405T1200Z/
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING...STERLING...AKRON...OTIS...JULESBURG...HAXTUN...
HOLYOKE
543 AM MDT SUN APR 5 2009

...BLIZZARD WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING...

THE BLIZZARD WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING. 

OCCASIONAL SNOW AND STRONG WINDS WILL CONTINUE TO DIMINISH DURING
THE EARLY MORNING HOURS. NORTHWEST WINDS OF 15 TO 30 MPH WILL
DECREASE TO UNDER 20 MPH BY LATER THIS MORNING. THE WINDS WILL
STILL CREATE SOME BLOWING SNOW AND REDUCED VISIBILITIES IN SPOTS.
HIGHWAYS AND ROADS MAY STILL BE CLOSED ACROSS THE NORTHEAST
PLAINS OF COLORADO.

$$

SWE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 4:22 AM MDTWinter Storm WarningBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more32 hr
Apr 3, 4:22 AM MDTWinter Weather AdvisoryBOUGrand, Jackson, Park, Summit32 hr

Nearby

Blizzard Warnings in Colorado, 2009Every blizzard warning in 2009

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.