Alert archive / Colorado / Winter Storm Warnings in 2007

Winter Storm Warning 5, NWS Denver/Boulder, CO

April 23, 200716 counties in Colorado

NWS Denver/Boulder, CO issued this winter storm warning at Apr 23, 2007, 3:19 PM MDT for 16 counties in Colorado. It took effect at Apr 23, 2007, 11:49 PM MDT. It was in force for 28 hr. 60 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 23, 2007, 3:19 PM MDT (21:19 UTC)
In effect from
Apr 23, 2007, 11:49 PM MDT
Expired
Apr 25, 2007, 3:57 AM MDT
In force
28 hr
Issued by
NWS Denver/Boulder, CO

Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Park County, CO, Summit County, CO

The radar

The Denver radar (KFTG), 53 km from the middle of the area, began a volume at 21:22 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 24, 7:12 AM MDTSNOW 2.33 W Jamestown, CO
Apr 24, 7:13 AM MDTSNOW 5.6St Marys Glacier, CO
Apr 24, 7:31 AM MDTSNOW 5.6N Idaho Springs, CO
Apr 24, 7:49 AM MDTHEAVY SNOW 73 Sw Conifer, CO
Apr 24, 8:19 AM MDTHEAVY SNOW 106 Sw Evergreen, CO
Apr 24, 8:30 AM MDTSNOW 31 N Castle Rock, COVISIBILITY LEES THAN 1/4 MILE.
Apr 24, 8:48 AM MDTSNOW 5.5Genesee, CO
Apr 24, 9:30 AM MDTHEAVY SNOW 74 Wsw Eldorado Springs, CO
Apr 24, 9:30 AM MDTHEAVY SNOW 113 S Evergreen, CO4 INCHES LAST HOUR.
Apr 24, 9:38 AM MDTHEAVY SNOW 75 S Rollinsville, CO
Apr 24, 9:38 AM MDTHEAVY SNOW 7N Aspen Springs, CO
Apr 24, 10:00 AM MDTHEAVY SNOW 52 Ene Bergen Park, COCHIEF HOSA EXIT I-70. HEAVY SNOW PRESENTLY.
Apr 24, 10:01 AM MDTHEAVY SNOW 7.7Genesee, CO
Apr 24, 10:03 AM MDTHEAVY SNOW 61 Sse Perry Park, CO
Apr 24, 10:08 AM MDTHEAVY SNOW 34 Sse Sedalia, COPAST 90 MINUTES.
Apr 24, 10:28 AM MDTHEAVY SNOW 7.73 N Bailey, CO
Apr 24, 10:29 AM MDTHEAVY SNOW 12.56 Sw Evergreen, CO
Apr 24, 10:35 AM MDTHEAVY SNOW 61 Sw Loveland Pass, COAT LOVELAND SKI AREA.
Apr 24, 10:59 AM MDTHEAVY SNOW 83 Nne Bailey, CO
Apr 24, 11:06 AM MDTHEAVY SNOW 1410 S Nederland, CO
Apr 24, 11:06 AM MDTHEAVY SNOW 163 S Evergreen, CO5 INCHES SINCE 9 AM.
Apr 24, 11:09 AM MDTHEAVY SNOW 9.7Genesee, CO2 INCHES PAST HOUR.
Apr 24, 11:13 AM MDTHEAVY SNOW 9N Aspen Springs, CO
Apr 24, 11:58 AM MDTHEAVY SNOW 61 N Castle Rock, CO1/4 MILE VISIBILITY.
Apr 24, 12:13 PM MDTHEAVY SNOW 16.8Evergreen, CO1.8 INCHES PAST HOUR.
Apr 24, 12:37 PM MDTHEAVY SNOW 154 Ene Conifer, CO
Apr 24, 12:48 PM MDTHEAVY SNOW 64 Sse Sedalia, COSINCE 830 AM
Apr 24, 1:31 PM MDTHEAVY SNOW 154 E Parker, CONEAR WHITE OUT CONDITIONS. WINDS NORTH GUSTING TO 45 MPH.
Apr 24, 1:39 PM MDTHEAVY SNOW 123 N Black Hawk, CO3 INCHES IN THE PAST 2 HOURS.
Apr 24, 1:49 PM MDTHEAVY SNOW 101 E Castle Rock, CO
Apr 24, 2:09 PM MDTHEAVY SNOW 144 Wsw Eldorado Springs, CO
Apr 24, 2:09 PM MDTHEAVY SNOW 20.86 Sw Evergreen, CO
Apr 24, 2:11 PM MDTHEAVY SNOW 122 Sw Golden, CO
Apr 24, 2:15 PM MDTSNOW 4Kiowa, CO
Apr 24, 2:49 PM MDTHEAVY SNOW 163 Sw Conifer, CO
Apr 24, 3:00 PM MDTHEAVY SNOW 10.53 Nne Bailey, CO
Apr 24, 3:14 PM MDTHEAVY SNOW 72 W Castle Rock, CO
Apr 24, 3:18 PM MDTHEAVY SNOW 64 E Parker, CO
Apr 24, 3:35 PM MDTHEAVY SNOW 11Loveland Pass, CO
Apr 24, 3:35 PM MDTHEAVY SNOW 17.510 S Nederland, CO
Apr 24, 3:49 PM MDTHEAVY SNOW 9.51 Sse Perry Park, CO
Apr 24, 3:50 PM MDTHEAVY SNOW 17.2Genesee, CO
Apr 24, 4:15 PM MDTHEAVY SNOW 23.86 Sw Evergreen, CO
Apr 24, 4:16 PM MDTHEAVY SNOW 153 N Black Hawk, CO
Apr 24, 4:21 PM MDTSNOW 510 Nne Elizabeth, CO
Apr 24, 4:25 PM MDTHEAVY SNOW 11.53 N Bailey, CO
Apr 24, 4:45 PM MDTHEAVY SNOW 8.214 Se Aurora, CO
Apr 24, 4:45 PM MDTHEAVY SNOW 15.512 Se Aurora, CO3.46 INCHES PRECIPITATION
Apr 24, 4:52 PM MDTSNOW 5Parker, CO
Apr 24, 5:03 PM MDTHEAVY SNOW 85 Ne Franktown, CO
Apr 24, 5:07 PM MDTHEAVY SNOW 1010 E Parker, CO
Apr 24, 5:09 PM MDTHEAVY SNOW 13Castle Rock, CO
Apr 24, 5:20 PM MDTHEAVY SNOW 153 Ne Bergen Park, CO
Apr 24, 5:56 PM MDTHEAVY SNOW 20.2Genesee, CO
Apr 24, 6:03 PM MDTHEAVY SNOW 25.86 Sw Evergreen, CO
Apr 24, 6:30 PM MDTHEAVY SNOW 17.5Black Hawk, CO
Apr 24, 6:32 PM MDTHEAVY SNOW 814 Wsw Agate, CO
Apr 24, 6:56 PM MDTHEAVY SNOW 234 Ene Conifer, CO
Apr 24, 7:00 PM MDTHEAVY SNOW 234 Ene Conifer, CO
Apr 24, 7:05 PM MDTHEAVY SNOW 15.5St Marys Glacier, CO

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, 9.3 hours before the alert went out and 166 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 2007-04-23Temperature 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 2007-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939587897117Sfc1 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
1110 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
121 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 232119
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
319 PM MDT MON APR 23 2007

...SPRING STORM EXPECTED TO BRING HEAVY SNOW TO THE NORTH-CENTRAL
MOUNTAINS...FRONT RANGE FOOTHILLS AND PALMER DIVIDE TONIGHT
THROUGH TUESDAY NIGHT...

.A STORM SYSTEM WILL MOVE EASTWARD FROM UTAH ACROSS SOUTHERN
COLORADO INTO SOUTHEAST COLORADO BY TUESDAY MORNING. UPSLOPE FLOW
WILL DEVELOP IN THE MOUNTAINS AND FOOTHILLS REGION LATE TONIGHT
AND CONTINUE THROUGH TUESDAY NIGHT. THIS WILL BRING THE POTENTIAL
FOR HEAVY SNOW TO THE FOOTHILLS...PALMER DIVIDE AND EAST FACING
SLOPES OF THE MOUNTAINS. THE SNOW SHOULD BEGIN TO DIMINISH LATE
TUESDAY NIGHT AS THE STORM SYSTEM MOVES INTO SOUTHWEST KANSAS.

ACROSS LOWER ELEVATIONS...PRECIPITATION WILL MAINLY FALL AS
RAIN...BUT MAY MIX WITH SNOW AT TIMES TUESDAY AFTERNOON AND
TUESDAY NIGHT WITH SOME LIGHT SNOW ACCUMULATIONS. ACROSS THE
DENVER AREA AND URBAN CORRIDOR...SNOW ACCUMULATIONS OF 1 TO
3 INCHES ARE POSSIBLE ESPECIALLY ACROSS WESTERN AND SOUTHERN
SUBURBS. AT DENVER INTERNATIONAL AIRPORT...RUNWAYS MAY BECOME
SLUSHY TUESDAY NIGHT WITH UP TO AN INCH OF SNOW POSSIBLE.

COZ033>036-240530-
/O.UPG.KBOU.WS.A.0005.070424T0600Z-070425T1200Z/
/O.NEW.KBOU.WS.W.0005.070424T0600Z-070425T1200Z/
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...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...
ESTES PARK...GLENDEVEY...NEDERLAND...RED FEATHER LAKES...BAILEY...
CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK
319 PM MDT MON APR 23 2007

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
MDT WEDNESDAY...

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

WIDESPREAD SNOW WILL DEVELOP IN THE MOUNTAINS AND FOOTHILLS LATE
TONIGHT AND CONTINUE THROUGH TUESDAY NIGHT BEFORE DIMINISHING BY
WEDNESDAY MORNING. THE SNOW MAY BECOME HEAVY AT TIMES LATE TONIGHT
INTO TUESDAY. TOTAL SNOW ACCUMULATIONS OF 1 TO 2 FEET ARE POSSIBLE
BY WEDNESDAY MORNING.

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.

$$

COZ041-240530-
/O.CON.KBOU.WS.A.0005.070424T0600Z-070425T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
319 PM MDT MON APR 23 2007

...WINTER STORM WATCH REMAINS IN EFFECT FROM MIDNIGHT MDT TONIGHT
THROUGH LATE TUESDAY NIGHT...

A WINTER STORM WATCH REMAINS IN EFFECT FROM MIDNIGHT MDT TONIGHT
THROUGH LATE TUESDAY NIGHT. 

A MIX OF RAIN AND SNOW WILL CHANGE TO ALL SNOW AFTER MIDNIGHT AND
CONTINUE THROUGH TUESDAY NIGHT BEFORE DIMINISHING EARLY WEDNESDAY
MORNING. THE SNOW MAY BECOME HEAVY AT TIMES LATE TONIGHT INTO
TUESDAY. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE POSSIBLE
WITH LOCALLY UP TO 1 FOOT IN SOME SPOTS BY WEDNESDAY MORNING.
STRONG NORTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS
TO 45 MPH WILL CREATE POOR VISIBILITIES AT TIMES.

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR A
HAZARDOUS WINTER WEATHER EVENT IN AND CLOSE TO THE WATCH AREA.
SIGNIFICANT SNOW ACCUMULATIONS MAY OCCUR THAT COULD IMPACT
TRAVEL. STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL
NEWS MEDIA FOR THE LATEST UPDATES AND POSSIBLE WARNING CONCERNING
THIS POTENTIAL WINTER STORM.

$$
8 follow-up statements
000 
WWUS45 KBOU 240549
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1149 PM MDT MON APR 23 2007

...SPRING STORM EXPECTED TO BRING HEAVY SNOW TO THE NORTH-CENTRAL
MOUNTAINS...FRONT RANGE FOOTHILLS AND PALMER DIVIDE TONIGHT
THROUGH TUESDAY NIGHT...

.A STORM SYSTEM WILL MOVE EASTWARD FROM THE FOUR CORNERS INTO SOUTHEAST
COLORADO BY TUESDAY MORNING. UPSLOPE FLOW WILL DEVELOP IN THE
MOUNTAINS AND FOOTHILLS REGION LATE TONIGHT AND CONTINUE THROUGH
TUESDAY NIGHT. THIS WILL BRING HEAVY SNOW TO THE FOOTHILLS...PALMER
DIVIDE AND EAST FACING SLOPES OF THE MOUNTAINS. THE SNOW SHOULD
BEGIN TO DIMINISH LATE TUESDAY NIGHT AS THE STORM SYSTEM MOVES
INTO SOUTHWEST KANSAS.

ACROSS LOWER ELEVATIONS...PRECIPITATION WILL MAINLY FALL AS
RAIN...BUT MAY MIX WITH SNOW AT TIMES TUESDAY AFTERNOON AND
TUESDAY NIGHT WITH SOME LIGHT SNOW ACCUMULATIONS. ACROSS THE
DENVER AREA AND URBAN CORRIDOR...SOME ACCUMULATION OF WET SNOW IS
POSSIBLE ON GRASSY AREAS AND TREES. ROADS SURFACES AT LOWER
ELEVATIONS ARE WARM...THOUGH SLUSH COULD ACCUMULATE DURING PERIODS
OF HEAVY SNOW.

COZ041-241400-
/O.UPG.KBOU.WS.A.0005.070424T0600Z-070425T1200Z/
/O.EXB.KBOU.WS.W.0005.070424T1200Z-070425T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
1149 PM MDT MON APR 23 2007

...WINTER STORM WARNING IN EFFECT FROM 6 AM TUESDAY TO 6 AM MDT
WEDNESDAY...

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

RAIN WILL MIX WITH SNOW LATER TONIGHT...AND CHANGE TO MAINLY SNOW
LATER TUESDAY. WHERE IT IS COLD ENOUGH TO SNOW...THE SNOW WILL BE HEAVY.
TOTAL SNOW ACCUMULATIONS OF UP TO 15 INCHES ARE POSSIBLE OVER THE
HIGHER ELEVATIONS OF SOUTHERN DOUGLAS AND ELBERT COUNTIES...WHILE
AREAS CLOSER TO 6000 FEET MAY ONLY HAVE SEVERAL INCHES OF SNOW ON
GRASSY AREAS. STRONG NORTHERLY WINDS WILL INCREASE TO 20 TO 30
MPH WITH GUSTS TO 45 MPH WILL CREATE POOR VISIBILITIES AT TIMES.

RESIDENTS IN DOUGLAS AND ELBERT COUNTIES SHOULD PREPARE FOR THE
POSSIBILITY OF HEAVY SNOWFALL LATER ON TUESDAY. TRAVEL WILL BECOME 
DIFFICULT. THE HEAVY WET SNOW MAY CAUSE BREAKAGE OF TREE LIMBS
AND POWER OUTAGES.

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

$$

COZ033>036-241400-
/O.CON.KBOU.WS.W.0005.070424T0600Z-070425T1200Z/
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...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...
ESTES PARK...GLENDEVEY...NEDERLAND...RED FEATHER LAKES...BAILEY...
CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK
1149 PM MDT MON APR 23 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

WIDESPREAD SNOW WILL DEVELOP IN THE MOUNTAINS AND FOOTHILLS LATE
TONIGHT AND CONTINUE THROUGH TUESDAY NIGHT BEFORE DIMINISHING BY
WEDNESDAY MORNING. THE SNOW MAY BECOME HEAVY AT TIMES LATE
TONIGHT INTO TUESDAY. TOTAL SNOW ACCUMULATIONS OF 1 TO 2 FEET ARE
POSSIBLE BY WEDNESDAY MORNING.

RESIDENTS IN THE FOOTHILLS SHOULD PREPARE FOR HEAVY SNOWFALL LATER
ON TUESDAY. THE SNOW WILL MAKE TRAVEL DIFFICULT AND MAY CAUSE
BREAKAGE OF TREE LIMBS AND POWER OUTAGES.

$$

GIMMESTAD
000 
WWUS45 KBOU 241131
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
531 AM MDT TUE APR 24 2007

...HEAVY SNOW DEVELOPING IN THE FRONT RANGE MOUNTAINS AND
FOOTHILLS AND PALMER DIVIDE...

.A STRONG SPRING STORM WILL MOVE EASTWARD ALONG THE SOUTHERN
COLORADO BORDER TODAY...BRINGING PLENTIFUL MOISTURE ACROSS COLORADO.
UPSLOPE FLOW WILL STRENGTHEN TODAY AND CONTINUE THROUGH TONIGHT.
THIS WILL BRING HEAVY SNOW TO THE FOOTHILLS...PALMER DIVIDE AND
EAST FACING SLOPES OF THE MOUNTAINS. THE SNOW SHOULD BEGIN TO
DIMINISH LATE TONIGHT AS THE STORM SYSTEM MOVES INTO KANSAS.

ACROSS LOWER ELEVATIONS...PRECIPITATION WILL MAINLY FALL AS
RAIN...BUT MAY MIX WITH SNOW AT TIMES TUESDAY AFTERNOON AND
TUESDAY NIGHT WITH SOME LIGHT SNOW ACCUMULATIONS. IN THE DENVER
AREA...SOME ACCUMULATION OF WET SNOW IS POSSIBLE ON GRASSY AREAS
AND TREES. THERE IS POTENTIAL FOR ENOUGH SNOW ACCUMULATION ON THE
TREES TO CAUSE LIMBS TO BREAK AND TO PRODUCE POWER OUTAGES. THE
WESTERN AND SOUTHERN SUBURBS ARE AT GREATEST RISK AS TEMPERATURES
WILL BE SLIGHTLY COOLER THERE. ROAD SURFACES AT LOWER ELEVATIONS
ARE WARM...THOUGH SLUSH COULD ACCUMULATE DURING PERIODS OF HEAVY
SNOW.

COZ033>036-241945-
/O.CON.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
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...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...
ESTES PARK...GLENDEVEY...NEDERLAND...RED FEATHER LAKES...BAILEY...
CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK
531 AM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

HEAVY SNOW WILL DEVELOP IN THE MOUNTAINS AND FOOTHILLS THIS
MORNING AND CONTINUE THROUGH TUESDAY NIGHT. TOTAL SNOW
ACCUMULATIONS OF 1 TO 2 FEET ARE EXPECTED BY WEDNESDAY MORNING.

RESIDENTS IN THE FOOTHILLS SHOULD PLAN ON HEAVY SNOWFALL THROUGH
TONIGHT WITH TRAVEL BECOMING DIFFICULT ESPECIALLY IN THE HIGHER FOOTHILLS.
BE PREPARED FOR POSSIBLE POWER OUTAGES FROM DOWNED TREE LIMBS AND
POWER LINES.

$$

COZ041-241945-
/O.CON.KBOU.WS.W.0005.070424T1200Z-070425T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
531 AM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

RAIN WILL CHANGE TO SNOW ACROSS MOST OF DOUGLAS AND WESTERN ELBERT
COUNTIES DURING THE DAY. WHERE IT IS COLD ENOUGH TO SNOW...THE SNOW
WILL BE HEAVY. TOTAL SNOW ACCUMULATIONS OF 5 TO 15 INCHES ARE
EXPECTED WITH THE HIGHEST AMOUNTS LIKELY IN SOUTHERN DOUGLAS AND
ELBERT COUNTIES. STRONG NORTHERLY WINDS WILL INCREASE TO 20 TO 30
MPH WITH GUSTS TO 45 MPH WILL CREATE POOR VISIBILITIES AT TIMES.

RESIDENTS IN DOUGLAS AND ELBERT COUNTIES SHOULD PLAN ON HEAVY
SNOWFALL LATER TODAY AND TONIGHT. TRAVEL WILL BECOME DIFFICULT IN
SOME AREAS. BE PREPARED FOR POSSIBLE POWER OUTAGES FROM DOWNED
TREE LIMBS AND POWER LINES.

$$

COZ037-241945-
/O.NEW.KBOU.SN.Y.0009.070424T1200Z-070425T1200Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...FAIRPLAY...HARTSEL...LAKE GEORGE...SOUTH PARK
531 AM MDT TUE APR 24 2007

...SNOW ADVISORY IN EFFECT UNTIL 6 AM MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM MDT WEDNESDAY. 

SNOW WILL BE HEAVY AT TIMES TODAY AND CONTINUE THROUGH TONIGHT.
STORM TOTAL SNOWFALL OF 7 TO 15 INCHES IS EXPECTED BY WEDNESDAY MORNING.

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

$$


GIMMESTAD
000 
WWUS45 KBOU 241555
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
955 AM MDT TUE APR 24 2007

...HEAVY SNOW DEVELOPING IN THE FRONT RANGE MOUNTAINS AND
FOOTHILLS AND PALMER DIVIDE...

.A STRONG SPRING STORM WILL MOVE EASTWARD ALONG THE SOUTHERN
COLORADO BORDER TODAY...BRINGING PLENTIFUL MOISTURE ACROSS
COLORADO. UPSLOPE FLOW WILL STRENGTHEN TODAY AND CONTINUE THROUGH
TONIGHT. THIS WILL BRING HEAVY SNOW TO THE FOOTHILLS...PALMER
DIVIDE AND EAST FACING SLOPES OF THE MOUNTAINS. THE SNOW SHOULD
BEGIN TO DIMINISH LATE TONIGHT AS THE STORM SYSTEM MOVES INTO
KANSAS.

ACROSS LOWER ELEVATIONS...PRECIPITATION WILL MAINLY FALL AS
RAIN...BUT MAY MIX WITH SNOW AT TIMES TUESDAY AFTERNOON AND
TUESDAY NIGHT WITH LIGHT SNOW ACCUMULATIONS TO AROUND 2 INCHES. 
IN THE DENVER AREA...SOME ACCUMULATION OF WET SNOW IS POSSIBLE ON
GRASSY AREAS AND TREES. 

THERE IS POTENTIAL FOR ENOUGH SNOW ACCUMULATION ON THE TREES TO
CAUSE LIMBS TO BREAK AND TO PRODUCE POWER OUTAGES. THE WESTERN AND
SOUTHERN SUBURBS ARE AT GREATEST RISK AS TEMPERATURES WILL BE
SLIGHTLY COOLER THERE. ROAD SURFACES AT LOWER ELEVATIONS ARE
WARM...THOUGH SLUSH COULD ACCUMULATE DURING PERIODS OF HEAVY SNOW.

COZ040-250000-
/O.EXA.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
INCLUDING...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER
955 AM MDT TUE APR 24 2007

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR ELEVATIONS ABOVE 5500 FEET...WHICH IS IN EFFECT UNTIL 6
AM MDT WEDNESDAY.

HEAVY SNOW WILL DEVELOP ABOVE 5500 FEET...IN AREAS MAINLY SOUTH OF
DENVER...AND CONTINUE THROUGH TUESDAY NIGHT. LOCATIONS INCLUDING
PARKER...SEDALIA...HIGHLANDS RANCH AND LOUVIERS CAN EXPECT SNOW
ACCUMULATIONS OF 4 TO 10 INCHES. NORTH WINDS 20 TO 30 MPH WITH
GUSTS TO 40 MPH WILL CAUSE POOR VISIBILITIES IN BLOWING AND
DRIFTING SNOW.

RESIDENTS IN THE WARNING AREA SHOULD PLAN ON HEAVY SNOWFALL
THROUGH TONIGHT WITH TRAVEL BECOMING DIFFICULT ESPECIALLY IN THE
HIGHER FOOTHILLS. BE PREPARED FOR POSSIBLE POWER OUTAGES FROM
DOWNED TREE LIMBS AND POWER LINES.

$$

COZ033>036-250000-
/O.CON.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
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...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...
ESTES PARK...GLENDEVEY...NEDERLAND...RED FEATHER LAKES...BAILEY...
CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK
955 AM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

HEAVY SNOW WILL CONTINUE IN THE MOUNTAINS AND FOOTHILLS THIS
MORNING THROUGH TUESDAY NIGHT. TOTAL SNOW ACCUMULATIONS OF 1 TO 2
FEET ARE EXPECTED BY WEDNESDAY MORNING.

RESIDENTS IN THE FOOTHILLS SHOULD PLAN ON HEAVY SNOWFALL THROUGH
TONIGHT WITH TRAVEL BECOMING DIFFICULT ESPECIALLY IN THE HIGHER
FOOTHILLS. BE PREPARED FOR POSSIBLE POWER OUTAGES FROM DOWNED
TREE LIMBS AND POWER LINES.

$$

COZ041-250000-
/O.CON.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
955 AM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

HEAVY SNOW AND GUSTY WINDS WILL CONTINUE THROUGH TONIGHT. TOTAL
SNOW ACCUMULATIONS OF 7 TO 15 INCHES ARE EXPECTED WITH THE
HIGHEST AMOUNTS LIKELY IN SOUTHERN DOUGLAS AND ELBERT COUNTIES.
STRONG NORTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS TO
45 MPH WILL CREATE POOR VISIBILITIES AT TIMES.

RESIDENTS IN DOUGLAS AND ELBERT COUNTIES SHOULD PLAN ON HEAVY
SNOWFALL LATER TODAY AND TONIGHT. TRAVEL WILL BECOME DIFFICULT IN
SOME AREAS. BE PREPARED FOR POSSIBLE POWER OUTAGES FROM DOWNED
TREE LIMBS AND POWER LINES.

$$

COZ037-250000-
/O.CON.KBOU.SN.Y.0009.000000T0000Z-070425T1200Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...FAIRPLAY...HARTSEL...LAKE GEORGE...SOUTH PARK
955 AM MDT TUE APR 24 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT WEDNESDAY. 

SNOW WILL BE HEAVY AT TIMES TODAY AND CONTINUE THROUGH TONIGHT.
STORM TOTAL SNOWFALL OF 7 TO 15 INCHES IS EXPECTED BY WEDNESDAY
MORNING.

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

$$
000 
WWUS45 KBOU 242146
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
346 PM MDT TUE APR 24 2007

...HEAVY SNOW CONTINUE IN AND NEAR THE SOUTHERN FRONT RANGE
FOOTHILLS AND PALMER DIVIDE...

.A STRONG SPRING STORM OVER SOUTHEASTERN COLORADO THIS AFTERNOON
WILL CONTINUE TO BRING HEAVY SNOW TO AREAS IN AND NEAR THE
SOUTHERN FRONT RANGE FOOTHILLS AND PALMER DIVIDE TONIGHT.  

PLENTIFUL MOISTURE COUPLED WITH STRONG NORTHERLY WINDS WILL
CONTINUE OVERNIGHT. THE SNOW SHOULD BEGIN TO DIMINISH LATE
TONIGHT AS THE STORM SYSTEM MOVES INTO NORTHWESTERN OKLAHOMA.

ACROSS LOWER ELEVATIONS...PRECIPITATION WILL MAINLY FALL AS
RAIN...BUT MAY MIX WITH SNOW TONIGHT...WITH LIGHT SNOW
ACCUMULATIONS TO AROUND 2 INCHES. 

THERE IS POTENTIAL FOR ENOUGH SNOW ACCUMULATION ON THE TREES TO
CAUSE LIMBS TO BREAK AND TO PRODUCE POWER OUTAGES. 

COZ033-035-250600-
/O.CAN.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
/O.NEW.KBOU.SB.Y.0015.070424T2146Z-070425T1200Z/
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING...CAMERON PASS...LARAMIE AND MEDICINE BOW MOUNTAINS...
RABBIT EARS RANGE...ROCKY MOUNTAIN NATIONAL PARK...
WILLOW CREEK PASS...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES
346 PM MDT TUE APR 24 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

ALTHOUGH HEAVY SNOW IS NO LONGER ANTICIPATED...LIGHT TO MODERATE
SNOW IS EXPECTED TO CONTINUE OVERNIGHT. STORM TOTALS WILL RANGE
FROM 5 TO 10 INCHES.

TRAVEL WILL BECOME DIFFICULT AT TIMES. BE PREPARED FOR POSSIBLE
POWER OUTAGES FROM DOWNED TREE LIMBS AND POWER LINES.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

COZ037-242300-
/O.CAN.KBOU.SN.Y.0009.000000T0000Z-070425T1200Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...FAIRPLAY...HARTSEL...LAKE GEORGE...SOUTH PARK
346 PM MDT TUE APR 24 2007

...SNOW ADVISORY IS CANCELLED...

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

ONLY LIGHT SNOW IS ANTICIPATED TONIGHT WITH ADDITIONAL
ACCUMULATIONS OF 1 TO 3 INCHES.

$$

COZ046-047-250600-
/O.EXA.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING...AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...
KUTCH...PUNKIN CENTER
346 PM MDT TUE APR 24 2007

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT UNTIL 6 AM MDT WEDNESDAY. 

HEAVY SNOW WILL CONTINUE IN AND NEAR THE PALMER DIVIDE OVERNIGHT
...MAINLY ABOVE 5500 FEET. TOTAL SNOW ACCUMULATIONS WILL RANGE
FROM 4 TO 8 INCHES.

RESIDENTS SHOULD PLAN ON HEAVY SNOWFALL IN THE WARNING AREA TONIGHT
WITH TRAVEL BECOMING DIFFICULT. BE PREPARED FOR POSSIBLE POWER
OUTAGES FROM DOWNED TREE LIMBS AND POWER LINES.

$$

COZ034-036-250600-
/O.CON.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING...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...BAILEY...
CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK
346 PM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

HEAVY SNOW WILL CONTINUE IN THE MOUNTAINS AND FOOTHILLS THIS
MORNING THROUGH TUESDAY NIGHT. TOTAL SNOW ACCUMULATIONS OF 15 TO
30 INCHES BY WEDNESDAY MORNING.

RESIDENTS IN THE FOOTHILLS SHOULD PLAN ON HEAVY SNOWFALL THROUGH
TONIGHT WITH TRAVEL BECOMING DIFFICULT ESPECIALLY IN THE FOOTHILLS.
BE PREPARED FOR POSSIBLE POWER OUTAGES FROM DOWNED TREE LIMBS AND
POWER LINES.

$$

COZ040-041-250600-
/O.CON.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
346 PM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

HEAVY SNOW WILL CONTINUE ABOVE 5500 FEET...IN AREAS MAINLY SOUTH
OF DENVER...AND CONTINUE THROUGH TUESDAY NIGHT. LOCATIONS
INCLUDING PARKER...CENTENNIEL...SEDALIA...HIGHLANDS RANCH AND
LOUVIERS CAN EXPECT TOTAL SNOW ACCUMULATIONS OF 5 TO 10
INCHES...WITH UP TO 18 INCHES POSSIBLE OVER MONUMENT RIDGE. NORTH
WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL CAUSE POOR
VISIBILITIES IN BLOWING AND DRIFTING SNOW.

RESIDENTS IN THE WARNING AREA SHOULD PLAN ON HEAVY SNOWFALL
THROUGH TONIGHT WITH TRAVEL BECOMING DIFFICULT ESPECIALLY IN THE
HIGHER FOOTHILLS. BE PREPARED FOR POSSIBLE POWER OUTAGES FROM
DOWNED TREE LIMBS AND POWER LINES.

$$
000 
WWUS45 KBOU 250011
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
611 PM MDT TUE APR 24 2007

...HEAVY SNOW CONTINUES IN AND NEAR THE SOUTHERN FRONT RANGE
FOOTHILLS AND PALMER DIVIDE WHILE ALSO SPREADING NORTH AND EAST
ACROSS THE PLAINS EARLY THIS EVENING...

.A STRONG SPRING STORM OVER SOUTHEASTERN COLORADO THIS EVENING 
WILL CONTINUE TO BRING HEAVY SNOW TO AREAS IN AND NEAR THE
SOUTHERN FRONT RANGE FOOTHILLS AND PALMER DIVIDE TONIGHT. RAIN WAS
CHANGING OVER TO SNOW IN AREAS FARTHER EAST TOWARD LIMON AND
AKRON. AS MUCH AS 26 INCHES OF SNOW HAS FALLEN 6 MILES SOUTHWEST
OF EVERGREEN.

PLENTIFUL MOISTURE COUPLED WITH STRONG NORTHERLY WINDS WILL
CONTINUE THIS EVENING. THE SNOW AND WINDS WILL BEGIN TO DIMINISH
BY MIDNIGHT AS THE STORM SYSTEM MOVES INTO NORTHWESTERN OKLAHOMA.

THERE IS POTENTIAL FOR ENOUGH SNOW ACCUMULATION ON THE TREES TO
CAUSE LIMBS TO BREAK AND TO PRODUCE POWER OUTAGES. SEVERAL
LOCATIONS SOUTH AND WEST OF DENVER HAVE ALREADY LOST POWER.

COZ047-250815-
/O.CAN.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
/O.EXA.KBOU.SB.Y.0015.000000T0000Z-070425T1200Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING...FORDER...KARVAL...KUTCH...PUNKIN CENTER
611 PM MDT TUE APR 24 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

SNOW SHOWERS MAY BE HEAVY AT TIMES THROUGH MIDNIGHT...BUT
ACCUMULATIONS ARE EXPECTED TO RANGE BETWEEN 2 AND 5 INCHES IN MOST
AREAS. STRONG NORTH WINDS GUSTING UP TO 50 MPH WILL PRODUCE AREAS
OF BLOWING AND DRIFTING SNOW.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

COZ034-036-250815-
/O.CON.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING...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...BAILEY...
CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK
611 PM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

HEAVY SNOW WILL CONTINUE IN THE SOUTHERN FRONT RANGE MOUNTAINS AND
FOOTHILLS THIS EVENING AND THEN GRADUALLY DIMINISH AFTER MIDNIGHT.
TOTAL SNOW ACCUMULATIONS OF 12 TO 30 INCHES BY WEDNESDAY
MORNING...WITH THE HEAVIEST AMOUNTS IN THE FOOTHILLS OF JEFFERSON
AND DOUGLAS COUNTIES.

RESIDENTS IN THE FOOTHILLS SHOULD PLAN ON HEAVY SNOWFALL THROUGH
TONIGHT WITH DIFFICULT TRAVEL. SOME SECONDARY ROADS MAY BE
IMPASSABLE. BE PREPARED FOR POWER OUTAGES CAUSED BY DOWNED TREE
LIMBS AND POWER LINES.

$$

COZ040-041-046-250815-
/O.CON.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
AGATE...HUGO...LIMON...MATHESON
611 PM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

HEAVY SNOW WILL CONTINUE OVER THE SOUTHERN SUBURBS OF DENVER
THIS EVENING AND THEN GRADUALLY DECREASE BY MIDNIGHT. LOCATIONS
INCLUDING PARKER...CENTENNIEL...SEDALIA...HIGHLANDS RANCH...AURORA...
AND LOUVIERS CAN EXPECT TOTAL SNOW ACCUMULATIONS OF 5 TO 10
INCHES...WITH UP TO 18 INCHES FROM CASTLE ROCK SOUTHWARD. NORTH
WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH THIS EVENING WILL
PRODUCE POOR VISIBILITIES IN BLOWING AND DRIFTING SNOW. FROM
DOWNTOWN DENVER NORTHWARD...ACCUMULATIONS ARE EXPECTED TO RANGE
FROM NOTHING TO AS MUCH AS 3 INCHES.

RESIDENTS IN THE WARNING AREA SHOULD PLAN ON HEAVY SNOWFALL
WITH TRAVEL BECOMING DIFFICULT OVER THE PALMER DIVIDE. BE
PREPARED FOR POSSIBLE POWER OUTAGES CAUSED BY DOWNED TREE LIMBS
AND POWER LINES.

$$

COZ045-250815-
/O.EXA.KBOU.SB.Y.0015.000000T0000Z-070425T1200Z/
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
INCLUDING...BENNETT...BYERS...DEER TRAIL...LEADER
611 PM MDT TUE APR 24 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

SNOW WILL BE HEAVY THIS EVENING WITH SNOWFALL RATES AROUND 1 INCH
PER HOUR. THE SNOW AND WINDS ARE EXPECTED TO DECREASE AFTER
MIDNIGHT. TOTAL ACCUMULATIONS OF 3 TO 6 INCHES CAN BE EXPECTED...WITH
UP TO 10 INCHES POSSIBLE SOUTHWEST OF BYERS AND STRASBURG. 

TRAVEL WILL BECOME DIFFICULT AT TIMES. BE PREPARED FOR POSSIBLE
POWER OUTAGES CAUSED BY DOWNED TREE LIMBS AND POWER LINES.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

COZ033-035-250815-
/O.CON.KBOU.SB.Y.0015.000000T0000Z-070425T1200Z/
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING...CAMERON PASS...LARAMIE AND MEDICINE BOW MOUNTAINS...
RABBIT EARS RANGE...ROCKY MOUNTAIN NATIONAL PARK...
WILLOW CREEK PASS...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES
611 PM MDT TUE APR 24 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM
MDT WEDNESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

ALTHOUGH HEAVY SNOW IS NO LONGER ANTICIPATED...LIGHT TO MODERATE
SNOW IS EXPECTED TO CONTINUE OVERNIGHT. STORM TOTALS WILL RANGE
FROM 2 TO 14 INCHES...WITH THE LESSER AMOUNTS NEAR THE WYOMING
BORDER AND THE HEAVIER AMOUNTS IN THE FOOTHILLS OF BOULDER COUNTY.

BE PREPARED FOR POSSIBLE POWER OUTAGES CAUSED BY DOWNED TREE
LIMBS AND POWER LINES.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

BARJENBRUCH
000 
WWUS45 KBOU 250307
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
907 PM MDT TUE APR 24 2007

...SPRING SNOWSTORM BEGINNING TO WIND DOWN...

.A STRONG SPRING STORM WILL CONTINUE TO MOVE EAST AND LOOSEN ITS
GRIP ON NORTHEASTERN COLORADO OVERNIGHT. SNOW WAS ALREADY
DECREASING OVER THE FRONT RANGE AND WILL CONTINUE TO DECREASE FROM
NORTHWEST TO SOUTHEAST ACROSS THE REMAINDER OF NORTHEAST COLORADO
OVERNIGHT.  

THERE IS STILL POTENTIAL FOR ENOUGH SNOW ACCUMULATION ON TREES TO
CAUSE MORE TREE LIMBS TO BREAK...CAUSING POWER OUTAGES. SEVERAL
LOCATIONS SOUTH AND WEST OF DENVER HAVE ALREADY LOST POWER.

COZ046-251115-
/O.CAN.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
/O.EXA.KBOU.SB.Y.0015.000000T0000Z-070425T1200Z/
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...AGATE...HUGO...LIMON...MATHESON
907 PM MDT TUE APR 24 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

SNOW AND WINDS WILL GRADUALLY DECREASE OVERNIGHT. TOTAL SNOW
ACCUMULATIONS OF 2 TO 5 INCHES CAN BE EXPECTED...MAINLY IN
ELEVATIONS ABOVE 5500 FEET. NORTH WINDS GUSTING AS HIGH AS 35 MPH
WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW.

BE PREPARED FOR POSSIBLE POWER OUTAGES CAUSED BY DOWNED TREE
LIMBS AND POWER LINES.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

COZ034-250415-
/O.CAN.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING...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 TUE APR 24 2007

...WINTER STORM WARNING IS CANCELLED...

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

SNOW SHOWERS WILL CONTINUE TO DECREASE OVERNIGHT. ADDITIONAL
ACCUMULATIONS WILL BE LESS THAN 3 INCHES.

$$

COZ033-035-047-250415-
/O.CAN.KBOU.SB.Y.0015.000000T0000Z-070425T1200Z/
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING...CAMERON PASS...LARAMIE AND MEDICINE BOW MOUNTAINS...
RABBIT EARS RANGE...ROCKY MOUNTAIN NATIONAL PARK...
WILLOW CREEK PASS...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...FORDER...KARVAL...KUTCH...PUNKIN CENTER
907 PM MDT TUE APR 24 2007

...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE SNOW AND
BLOWING SNOW ADVISORY. 

SNOW SHOWERS WILL CONTINUE TO DECREASE THIS EVENING. ADDITIONAL
ACCUMULATIONS WILL BE AN INCH OR LESS.


$$

COZ036-250600-
/O.EXT.KBOU.WS.W.0005.000000T0000Z-070425T0600Z/
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING...BAILEY...CENTRAL CITY...EVERGREEN...GEORGETOWN...
IDAHO SPRINGS...WESTCREEK
907 PM MDT TUE APR 24 2007

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT. 

SNOW WILL CONTINUE TO DECREASE LATE THIS EVENING WITH ADDITIONAL
ACCUMULATIONS LESS THAN 3 INCHES. SNOW WILL TAPER OFF IN ALL
AREAS BY MIDNIGHT TO JUST SCATTERED LIGHT SNOW SHOWERS.

THERE MAY BE POWER OUTAGES CAUSED BY DOWNED TREE LIMBS AND POWER
LINES.

$$

COZ040-250600-
/O.EXT.KBOU.WS.W.0005.000000T0000Z-070425T0600Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
INCLUDING...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER
907 PM MDT TUE APR 24 2007

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT. 

SNOW OVER THE SOUTHERN SUBURBS WILL CONTINUE TO DECREASE LATE THIS
EVENING WITH ADDITIONAL ACCUMULATIONS LESS THAN 2 INCHES.
LOCATIONS INCLUDING PARKER AND SOUTHEAST AURORA CAN EXPECT TOTAL
ACCUMULATIONS OF 5 TO 10 INCHES. FARTHER NORTH INCLUDING DOWNTOWN
DENVER... ACCUMULATIONS WILL BE AN INCH OR LESS.

BE PREPARED FOR POSSIBLE POWER OUTAGES CAUSED BY DOWNED TREE
LIMBS AND POWER LINES.

$$

COZ041-251115-
/O.CON.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
907 PM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

SNOW WILL DECREASE OVER THE PALMER DIVIDE DURING THE OVERNIGHT
HOURS. ANOTHER 2 TO 4 INCHES OF SNOW CAN STILL BE
EXPECTED...BRINGING STORM TOTALS INTO THE 8 TO 18 INCH RANGE.

RESIDENTS IN THE WARNING AREA SHOULD PLAN ON HEAVY SNOWFALL WITH
TRAVEL BECOMING DIFFICULT OVER THE PALMER DIVIDE. BE PREPARED FOR
POSSIBLE POWER OUTAGES CAUSED BY DOWNED TREE LIMBS AND POWER
LINES.

$$

COZ045-251115-
/O.CON.KBOU.SB.Y.0015.000000T0000Z-070425T1200Z/
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
INCLUDING...BENNETT...BYERS...DEER TRAIL...LEADER
907 PM MDT TUE APR 24 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM
MDT WEDNESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

SNOW WILL BEGIN TO TAPER OFF AFTER MIDNIGHT. ADDITIONAL
ACCUMULATIONS OF 1 TO 4 INCHES CAN BE EXPECTED...BRINGING STORM
TOTALS INTO THE 3 TO 6 INCH RANGE...WITH UP TO 10 INCHES POSSIBLE
SOUTHWEST OF BYERS AND STRASBURG.

BE PREPARED FOR POSSIBLE POWER OUTAGES CAUSED BY DOWNED TREE LIMBS
AND POWER LINES.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

BARJENBRUCH
000 
WWUS45 KBOU 250555
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1155 PM MDT TUE APR 24 2007

...SNOW CONTINUING SOUTHEAST OF DENVER...DECREASING ELSEWHERE...

.THE STORM THAT BROUGHT RAIN...SNOW...AND WIND TO NORTHERN
COLORADO ON TUESDAY WAS CENTERED OVER SOUTHWEST KANSAS LATE
TUESDAY EVENING. SNOW WAS ENDING IN THE MOUNTAINS AND DECREASING
IN INTENSITY IN AREAS SOUTH AND EAST OF DENVER. ROADS REMAIN
CLOSED FROM DOUGLAS AND EL PASO COUNTY EAST TO LIMON DUE TO THE
SNOW AND BLOWING SNOW. POWER REMAINS OUT IN SOME OF THESE AREAS AS WELL.

EVENING REPORTS INDICATED THAT 10 TO 15 INCHES OF SNOW HAD FALLEN
ACROSS EASTERN DOUGLAS AND ELBERT COUNTIES AND IN ARAPAHOE COUNTY
SOUTH OF BENNETT. SNOWFALL AMOUNTS IN THE FOOTHILLS FROM BOULDER
SOUTHWARD WERE IN THE ONE TO TWO FOOT RANGE.

THE SNOW SOUTHEAST OF DENVER WILL CONTINUE TO DIMINISH OVERNIGHT
WITH ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES POSSIBLE...MAINLY
IN ELBERT COUNTY. THE WINDS WILL ALSO CONTINUE TO DECREASE WITH
ONLY MINOR DRIFTING SNOW.

COZ036-250700-
/O.EXP.KBOU.WS.W.0005.000000T0000Z-070425T0600Z/
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING...BAILEY...CENTRAL CITY...EVERGREEN...GEORGETOWN...
IDAHO SPRINGS...WESTCREEK
1155 PM MDT TUE APR 24 2007

...WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT...

THE WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT. 

A FEW LIGHT SNOW SHOWERS ARE STILL POSSIBLE...BUT NO ADDITIONAL
ACCUMULATION IS EXPECTED.

$$

COZ040-250700-
/O.EXP.KBOU.WS.W.0005.000000T0000Z-070425T0600Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
INCLUDING...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER
1155 PM MDT TUE APR 24 2007

...WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT...

THE WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT. 

SOME LIGHT RAIN AND SNOW WILL CONTINUE MAINLY OVER THE SOUTHEAST
PART OF THE METRO AREA...BUT NO ADDITIONAL ACCUMULATION IS EXPECTED.

$$

COZ041-251200-
/O.CON.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
1155 PM MDT TUE APR 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

LIGHT TO MODERATE SNOW WILL CONTINUE INTO THE EARLY MORNING
HOURS...THEN END BY MORNING. ANOTHER 1 TO 3 INCHES OF SNOW CAN
STILL BE EXPECTED...MAINLY IN ELBERT COUNTY...BRINGING STORM TOTALS INTO
THE 8 TO 18 INCH RANGE. WINDS WILL CONTINUE TO DECREASE. 

MANY AREA ROADS REMAIN CLOSED AND THERE ARE POWER OUTAGES.
RESIDENTS ARE URGED TO DELAY UNNECESSARY TRAVEL UNTIL MORNING WHEN
CONDITIONS WILL BE MUCH IMPROVED.

$$

COZ045-046-251200-
/O.CON.KBOU.SB.Y.0015.000000T0000Z-070425T1200Z/
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...
HUGO...LIMON...MATHESON
1155 PM MDT TUE APR 24 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM
MDT WEDNESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY. 

LIGHT SNOW WILL CONTINUE INTO THE EARLY MORNING HOURS...THEN
DECREASE TO SCATTERED SHOWERS. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES
CAN BE EXPECTED...MAINLY IN ELEVATIONS ABOVE 5500 FEET. NORTH
WINDS AT 20 TO 30 MPH WILL CONTINUE TO SLOWLY DECREASE...WITH SOME
DRIFTING SNOW CONTINUING IN ELBERT COUNTY.

MANY AREA ROADS REMAIN CLOSED AND THERE ARE POWER OUTAGES...WITH
THE WORST CONDITIONS IN ELBERT COUNTY. RESIDENTS ARE URGED TO
DELAY UNNECESSARY TRAVEL UNTIL MORNING WHEN CONDITIONS WILL BE
MUCH IMPROVED.

$$

GIMMESTAD
000 
WWUS45 KBOU 250957
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
357 AM MDT WED APR 25 2007

...STORM MOVING OUT OF COLORADO...

.THE LATEST SPRING STORM WAS MOVING EAST ACROSS KANSAS EARLY THIS
MORNING. LIGHT RAIN AND SNOW SHOWERS WILL PERSIST ACROSS THE
EASTERN QUARTER OF COLORADO THIS MORNING...BUT ACCUMULATING SNOW
IN AREAS SOUTHEAST OF DENVER HAS ENDED. THERE ARE STILL SOME ROAD
CLOSURES AND POWER OUTAGES IN AREAS BETWEEN LIMON...CASTLE 
ROCK...AND COLORADO SPRINGS...SO TRAVELERS SHOULD CHECK THE
LATEST ROAD REPORTS BEFORE HEADING TO THOSE AREAS THIS MORNING.

COZ041-251100-
/O.CAN.KBOU.WS.W.0005.000000T0000Z-070425T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
357 AM MDT WED APR 25 2007

...WINTER STORM WARNING IS CANCELLED...

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

$$

COZ045-046-251100-
/O.CAN.KBOU.SB.Y.0015.000000T0000Z-070425T1200Z/
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...
HUGO...LIMON...MATHESON
357 AM MDT WED APR 25 2007

...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE SNOW AND
BLOWING SNOW ADVISORY. SCATTERED LIGHT RAIN AND SNOW SHOWERS ARE
STILL EXPECTED THIS MORNING...BUT THERE WILL BE NO ADDITIONAL
ACCUMULATION.

$$

GIMMESTAD

What forecasters said that day

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

NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter storm warning went out at Apr 23, 2:30 PM MDT, 49 minutes earlier.

Area forecast discussion, Apr 23, 2:30 PM MDT, 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER CO
230 PM MDT MON APR 23 2007

.SHORT TERM...FOR THIS AFTN AND EVENING...LATEST STLT/RADAR/MTR
OBSERVATIONS INDICATE THE DENVER CYCLONE IN PLACE WITH SOME
CONVECTION INITIATING OFF A CONVERGENCE LINE JUST TO THE EAST OF THE
DENVER AREA.  TSTMS HAVE HAD TROUBLE MAINTAINING THEMSELVES AS
EXTENSIVE CLOUD COVER HAD HINDERED AFTN HEATING.  AN 18Z SOUNDING
THIS AFTN ALSO SHOWED A FAIRLY STG INVERISION AROUND 750 MB.  WITH
ALL THAT SAID...IT LOOKS LIKE THE BEST POTENTIAL FOR SVR TSTMS WILL
OCCUR EAST AND SOUTHEAST OF DENVER...PRIMARILY ZONES 41..45>47 AND
MAYBE 49.  LIC BUFFER SOUNDINGS SHOW CAPES OF 1000-1200 J/KG THIS
AFTN WITH A VERY FVBL WIND SHEAR ENVIRONMENT IN PLACE.  STORM
RELATIVE HELICITIES ARE FCST TO INCRS TO AROUND 200 M2/S2 BY 00Z.
AS A RESULT...SVR TSTMS WITH LARGE HAIL AND TORNADOS ARE PSBL IN THE
AFOREMENTIONED AREAS.

AS FOR THE REST OF THE SHORT TERM...NOT MUCH CHANGE IN THE OVERALL
PATH OF THE INCOMING STORM SYSTEM.  THE MDLS BRING THE SYSTEM ACRS
SRN CO/NRN NEW MX OVERNIGHT...EVENTULLY WINDING IT UP OVER SERN CO
BY 18Z TUESDAY.  IN THE MTNS TONIGHT...MDLS SHOW QG VERTICAL
VELOCITES INCRG OVERNIGHT.  THE OROGRAPHIC COMPONENT HOWEVER IS NOT
EXPECTED TO INCREASE UNTIL THE CYCONE WINDS UP OVER SERN CO TUESDAY
MORNING.  WILL WORD THE HEAVIEST SNOW POTENTIAL IN THE MTNS FOR
TUESDAY.  AS FOR THE PALMER DIVIDE...THE NAM SHOWS THE POTENTIAL FOR
THE SNOW LEVEL TO DROP TO AROUND 5500 FEET. IF THAT OCCURS...THE
HEAVY SNOW WITH VERY STG SFC WINDS WILL MAKE FOR SOME NASTY WEATHER
OVER THE PALMER DIVIDE.  STRONG WINDS OF 50 KTS ARE PROGGED ALONG
THE FRONT RANGE IN THE 750-800 MB LYR FM 15Z-18Z TUESDAY.
CONVECTION GENERATED BY THE NAM LOOKS LIKE IT MAY AGAIN PLAY TRICKS
WITH THE QPF TOTALS...OVERPLAYING THE PCPN.  WITH SOME QUESTIONS
STILL LINGERING HAVE OPTED TO GO KEEP THE WINTER STORM WATCH IN
PLACE FOR ZONE 41 FOR LATE TONIGHT AND TUESDAY.  IT DOES NOT LOOK
LIKE THE SNOW LEVEL WILL BE LOW ENOUGH OR LAST LONG ENOUGH TO IMPACT
THE URBAN CORRIDOR...BUT I WILL NOT RULE IT OUR COMPLETELY.  FOR NOW
WILL MENTION A MIX OF RAIN/SNOW FOR ZONES 39 AND 40...WITH 1-3
INCHES IN GRASSY AREAS.  THIS WOULD MAINLY IMPACT AREAS NEAR THE
FOOTHILLS/PALMER DIVIDE. ELSEWHERE ACRS THE PLAINS...THE PCPN SHOULD
REMAIN AS RAIN THROUGH THE DAY TUESDAY.

.LONG TERM...BOTH GFS/NAM JOG THE UPPER LOW INTO FAR WEST CENTRAL KS
BY 00Z WED BEFORE SHIFTING IT SOUTHWARD AGAIN INTO SW KS BY 12Z WED.
GIVEN HIGH TENDENCY FIELDS...FEEL THE LOW TRACK MAY STAY MORE
EASTERLY AND FAVOR A TRACK ACROSSS FAR SRN CO OR NRN NEW MEXICO.
THIS ALL FAVORS SIGNIFICANT PRECIP ACROSS BOU CWA WITH
MTNS/FOOTHILLS/PALMER DIVIDE REGION UNDER THE GUN FOR HEAVY SNOWFALL
WITH STRONG N-NE LOW LVL FLOW AND DEEP MSTR. MODELS ALSO HAVE SHOWED
A SLOWER MOVEMENT IN THE LOW SO HAVE EXTENDED CURRENT
WATCHES/WARNINGS DELAYED CLEARING ON WEDNESDAY.

FOR TUE NITE...LOCAL SNOW MODEL YIELDS 6-12 INCHES OF SNOW OVER THE
FRONT RANGE FOOTHILLS. LOOKS LIKE IT WILL ALSO BE COLD ENOUGH FOR
SNOW OVER THE PALMER DIVIDE REGION WITH THE POTENTIAL FOR ANOTHER
4-8 INCHES THERE. OVER THE NERN PLAINS...AT THIS LOOKS LIKE THIS
WILL MAINLY BE A RAIN EVENT AS WET BULB ZERO TEMPS SHOW SNOW LEVEL
AROUND 5000 FT. BUT WITH STRONG UPWARD ASCENT...SOME MIX RAIN/SNOW
AND LIGHT ACCUMLATIONS ARE STILL POSSIBLE. EVEN THOUGH TRACK OF LOW
IS SIMILAR BETWEEN NAM AND GFS...THE USUAL DETAILS AND QPF VARY
SIGNIFICANTLY.  APPEARS THE NAM QPF IS BEING EFFECTED BY CONVECTIVE
FEEDBACK PROBLEMS WITH QPF NUMBERS TWICE AS MUCH AS GFS. MAIN
CONCERN WOULD BE SNOW POTENTIAL ON THE PLAINS IF LOW LVL COOLING
RESULTS IN MORE SNOW. CURRENTLY...SFC DEWPOINTS REMAIN AROUND 32
AROUND FRONT RANGE AND MID TO UPPER 30S ON THE PLAINS. LAPSE RATES
ARENT THAT STEEP...AROUND 6C/KM SO AT THIS TIME WILL GO A MIX
RAIN/SNOW WITH ONLY LIGHT ACCUMLATIONS ON THE PLAINS...AND 1-3
INCHES OVER THE URBAN CORRIDOR.  LATER SHIFTS WILL HAVE TO WATCH
THIS CLOSELY IF INDEED MORE PRECIP TYPE BEING MORE OF THE FROZEN
VARIETY.

CONDITIONS WILL IMPROVE ON WEDNESDAY AS THE STORM PULLS FURTHER
EASTWARD. A WEAKER TROF THEN MOVES ACROSS CO IN THE NW FLOW ON
THURSDAY AND EARLY FRI WITH ANOTHER SHOT OF PRECIP BUT SHOULD BE
FAIRLY FAST MOVING AND NO CHANGES IN CURRENT POPS. STRONG RIDGING
ALOFT BUILDS ACROSS WRN GREAT BASIN TOWARDS THE END OF THE WEEK AND
THRU SUNDAY AS FLOW ALOFT WEAKENS AND REGION REMAINS DRY WITH GOOD
WARMING TREND.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...WINTER STORM WARNING FROM
MIDNIGHT TONIGHT THROUGH TUESDAY NIGHT...NCNTRL MTNS AND
FOOTHILLS ZONES 33..34..35 AND 36.
...WINTER STORM WATCH LATE TONIGHT THROUGH TUESDAY NIGHT FOR
THE PALMER DIVIDE...ZONE 41.

COOPER/ENTREKIN
Hazardous weather outlook, Apr 23, 10:26 AM MDT, 4 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
1026 AM MDT MON APR 23 2007

COZ030>051-241200-
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-
1026 AM MDT MON APR 23 2007

...WINTER STORM WATCH LATE TONIGHT THROUGH TUESDAY EVENING FOR THE
MOUNTAINS AND FOOTHILLS...
...SEVERE THUNDERSTORMS POSSIBLE ACROSS NORTHEAST COLORADO THIS
AFTERNOON THROUGH THE EVENING HOURS...

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

.DAY ONE...TODAY AND TONIGHT

SEVERE THUNDERSTORMS MAY DEVELOP ALONG THE FRONT RANGE URBAN
CORRIDOR THIS AFTERNOON THEN MOVE EAST ACROSS THE PLAINS THROUGH
THE EVENING. THE ATMOSPHERE ACROSS NORTHEAST COLORADO WILL BECOME
FAVORABLE FOR THE DEVELOPMENT OF SUPERCELL THUNDERSTORMS THAT WILL
BE CAPABLE OF PRODUCING VERY LARGE HAIL AND A FEW TORNADOES...
ESPECIALLY EAST AND SOUTHEAST OF DENVER.  AT THIS TIME THE MOST
FAVORABLE AREA FOR SEVERE THUNDERSTORM DEVELOPMENT APPEARS TO BE
ALONG AND EAST OF A LINE EXTENDING FROM AROUND WATKINS TO CASTLE
ROCK TO LARKSPUR.

MEANWHILE AS A STORM SYSTEM MOVES FROM SOUTHERN UTAH INTO SOUTH
CENTRAL COLORADO BY LATE TONIGHT UPSLOPE FLOW WILL DEVELOP EAST OF
THE DIVIDE AS SURFACE LOW PRESSURE INTENSIFIES OVER SOUTHEAST
COLORADO.  AS A RESULT SNOW WILL INCREASE IN THE MOUNTAINS AND
FOOTHILLS AFTER MIDNIGHT WITH HEAVY SNOWFALL POSSIBLE.  SNOWFALL
ACCUMULATIONS OF 4 TO 8 INCHES ARE POSSIBLE BY TUESDAY MORNING IN
THE MOUNTAINS AND FOOTHILLS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE STRONG STORM SYSTEM WILL MOVE ACROSS SOUTHERN COLORADO ON
TUESDAY AND THEN INTO SOUTHWEST KANSAS BY WEDNESDAY MORNING. SNOW IS
EXPECTED TO CONTINUE IN THE MOUNTAINS AND FOOTHILLS THROUGH TUESDAY
EVENING BEFORE DIMINISHING BY EARLY WEDNESDAY. TOTAL SNOWFALL OF 1
TO 2 FEET OF SNOW IS POSSIBLE IN THE MOUNTAINS AND FOOTHILLS.

ACROSS LOWER ELEVATIONS...PRECIPITATION WILL FALL MAINLY AS
RAIN...HOWEVER LOCATIONS ACROSS THE PALMER DIVIDE MAY ALSO SEE SOME
POSSIBLE HEAVY SNOW TUESDAY AND TUESDAY NIGHT WITH ACCUMULATIONS OF
4 TO 8 INCHES. LOCATIONS IN DENVER...INCLUDING DENVERS
INTERNATIONAL AIRPORT MAY SEE SOME MIX OF RAIN AND SNOW BY TUESDAY
AFTERNOON WITH THE POTENTIAL FOR SNOW ACCUMULATIONS OF 1 TO 3 INCHES
BY WEDNESDAY MORNING...HIGHEST AMOUNTS WEST AND SOUTH OF DENVER.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED AFTER 2 PM ACROSS THE FRONT RANGE
URBAN CORRIDOR AND THE PLAINS OF NORTHEAST COLORADO.

COOPER/ENTREKIN

In the hours before

Local storm report, Apr 23, 1:18 PM MDT, 2 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE DENVER CO
118 PM MDT MON APR 23 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0542 PM     HAIL             4 E JULESBURG           40.99N 102.19W
04/21/2007  E0.75 INCH       SEDGWICK           CO   NWS EMPLOYEE

            ON I-76 NEAR THE NEBRASKA BORDER. LATE REPORT.

0542 PM     HAIL             5 S BURDETT             40.29N 102.97W
04/21/2007  M1.75 INCH       WASHINGTON         CO   TRAINED SPOTTER

0535 PM     HAIL             JULESBURG               40.99N 102.26W
04/21/2007  M1.00 INCH       SEDGWICK           CO   TRAINED SPOTTER

0510 PM     HAIL             5 SSE OVID              40.90N 102.36W
04/21/2007  M1.00 INCH       SEDGWICK           CO   TRAINED SPOTTER

0440 PM     HAIL             2 W FAIRFIELD           40.73N 102.52W
04/21/2007  M0.88 INCH       PHILLIPS           CO   TRAINED SPOTTER

0430 PM     HAIL             5 S SEDGWICK            40.86N 102.53W
04/21/2007  M0.88 INCH       SEDGWICK           CO   CO-OP OBSERVER

0429 PM     HAIL             4 E HAXTUN              40.64N 102.55W
04/21/2007  M0.88 INCH       PHILLIPS           CO   TRAINED SPOTTER

0420 PM     HAIL             8 S LONE STAR           40.24N 102.85W
04/21/2007  M1.00 INCH       WASHINGTON         CO   TRAINED SPOTTER

0415 PM     HAIL             5 ESE ST PETERSBURG     40.53N 102.74W
04/21/2007  M1.25 INCH       LOGAN              CO   TRAINED SPOTTER

            1.6 INCHES OF PRECIPITATION ALONG WITH 3 INCHES OF HAIL
            ON THE GROUND.

0411 PM     HAIL             ESE HAXTUN              40.64N 102.63W
04/21/2007  M1.00 INCH       PHILLIPS           CO   TRAINED SPOTTER

0408 PM     HAIL             5 WSW HAXTUN            40.61N 102.72W
04/21/2007  M0.88 INCH       LOGAN              CO   TRAINED SPOTTER

0342 PM     HAIL             8 SW HAXTUN             40.56N 102.74W
04/21/2007  M0.88 INCH       LOGAN              CO   TRAINED SPOTTER

0325 PM     HAIL             7 N LONE STAR           40.45N 102.84W
04/21/2007  M0.75 INCH       LOGAN              CO   TRAINED SPOTTER

0325 PM     HAIL             5 WSW HAXTUN            40.61N 102.72W
04/21/2007  M0.75 INCH       LOGAN              CO   TRAINED SPOTTER

&&

CLB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 4:34 AM MDTWinter Storm WatchBOUArapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 6 more19 hr
Apr 23, 4:22 PM MDTSevere Thunderstorm WarningBOUMorgan38 min
Apr 23, 4:59 PM MDTSevere Thunderstorm WarningBOUMorgan61 min
Apr 23, 5:03 PM MDTSevere Thunderstorm WarningBOUBoulder, Broomfield42 min
Apr 23, 5:06 PM MDTTornado WarningBOUMorgan39 min
Apr 23, 5:42 PM MDTTornado WarningBOUMorgan48 min

Nearby

Winter Storm Warnings in Colorado, 2007Every winter storm warning in 2007

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.