Alert archive / Colorado / High Wind Warnings in 2012

High Wind Warning 6, NWS Denver/Boulder, CO

February 28, 201210 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Feb 28, 2012, 9:29 AM MST for 10 counties in Colorado. It took effect at Feb 28, 2012, 9:00 PM MST. It was in force for 12 hr. 8 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Feb 28, 2012, 9:29 AM MST (16:29 UTC)
In effect from
Feb 28, 2012, 9:00 PM MST
Expired
Feb 29, 2012, 9:00 AM MST
In force
12 hr
Issued by
NWS Denver/Boulder, CO

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

The radar

The Denver radar (KFTG), 94 km from the middle of the area, began a volume at 16:32 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Feb 29, 3:28 AM MSTNON-TSTM WND GST 702 Ssw Crescent Village, CO
Feb 29, 3:45 AM MSTNON-TSTM WND GST 773 Ssw Boulder, CONCAR
Feb 29, 3:45 AM MSTNON-TSTM WND GST 843 S Marshall, CONWTC
Feb 29, 4:06 AM MSTNON-TSTM WND GST 743 Se Jamestown, CO
Feb 29, 4:25 AM MSTNON-TSTM WND GST 713 Sw Rocky Flats, CO
Feb 29, 4:25 AM MSTNON-TSTM WND GST 742 Wnw Rocky Flats, CO
Feb 29, 4:29 AM MSTNON-TSTM WND GST 703 Se Pinecliffe, CO
Feb 29, 5:10 AM MSTNON-TSTM WND GST 753 Sw Rocky Flats, 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, 4.5 hours before the alert went out and 206 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 2012-02-28Temperature 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 2012-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 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
1842 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
295 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.

669 
WWUS75 KBOU 281629
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
929 AM MST TUE FEB 28 2012

...HIGH WINDS LIKELY IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS
TONIGHT THROUGH EARLY WEDNESDAY MORNING...
...HIGH WINDS NO LONGER EXPECTED ON THE ADJACENT HIGH PLAINS...

.A STRONG STABLE LAYER ABOVE JUST ABOVE MOUNTAIN TOP WILL HELP
PRODUCE A MOUNTAIN WAVE THIS EVENING. THIS WILL ACCELERATE WINDS
DOWN THE EAST FACE OF THE FRONT RANGE OVERNIGHT PRODUCING WIND
STRONG AND VERY GUSTS WEST WINDS.

$$

COZ038-039-281730-
/O.CAN.KBOU.HW.A.0003.120229T0000Z-120229T1600Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT
929 AM MST TUE FEB 28 2012

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH
WIND WATCH. 

HIGH WINDS ARE NO LONGER ANTICIPATED ON THE PLAINS IN EASTERN
LARIMER...EASTERN BOULDER AND EASTERN JEFFERSON COUNTIES.
ALTHOUGH AREAS RIGHT UP AGAINST THE FOOTHILLS COULD SEE WEST WINDS
GUSTING TO AROUND 50 MPH LATE TONIGHT AND EARLY WEDNESDAY
MORNING. DRIVERS OF LIGHT WEIGHT AND HIGH PROFILE VEHICLES SHOULD
BE ON THE ALERT FOR STRONG CROSS WINDS LATER TONIGHT...ESPECIALLY
IF DRIVING ON HIGHWAY 93 BETWEEN GOLDEN AND BOULDER AND HIGHWAY
36 FROM BOULDER TO LYONS.


$$

COZ035-036-290030-
/O.UPG.KBOU.HW.A.0003.120229T0000Z-120229T1600Z/
/O.NEW.KBOU.HW.W.0006.120229T0400Z-120229T1600Z/
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 THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
929 AM MST TUE FEB 28 2012

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST
WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...HIGH WINDS ARE LIKELY TO DEVELOP OVER THE FOOTHILLS
  AND ADJACENT PLAINS THIS EVENING AND CONTINUE THROUGH EARLY
  WEDNESDAY MORNING

* WINDS...ARE LIKELY TO GUST BETWEEN 70 AND 80 MPH. THE STRONGEST
  WINDS WILL OCCUR IN THE FOOTHILLS OF NORTHERN JEFFERSON...
  BOULDER AND LARIMER COUNTIES.

* IMPACTS...THE STRONG WINDS MAY CAUSE HAZARDOUS DRIVING
  CONDITIONS ESPECIALLY FOR LIGHT WEIGHT AND HIGH PROFILE
  VEHICLES. ROADWAYS NEAR OPEN SNOW FIELDS MAY ALSO BECOME ICY
  AND SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. THE BLOWING SNOW
  COULD ALSO REDUCE VISIBILITIES TO NEAR ZERO AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY.

&&

$$

COZ033-034-290030-
/O.NEW.KBOU.HW.W.0006.120229T0400Z-120229T1600Z/
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 THE CITIES OF...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
929 AM MST TUE FEB 28 2012

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST
WEDNESDAY. 

* TIMING...HIGH WINDS ARE LIKELY TO DEVELOP ABOVE TIMBERLINE AND
  ON THE EAST FACE OF THE FRONT RANGE MOUNTAINS THIS EVENING AND
  CONTINUE THROUGH WEDNESDAY MORNING

* WINDS...ARE EXPECTED TO GUST FROM 70 AND 80 MPH.

* IMPACTS...THE STRONG WINDS MAY CAUSE HAZARDOUS DRIVING
  CONDITIONS ESPECIALLY FOR LIGHT WEIGHT AND HIGH PROFILE
  VEHICLES. ROADWAYS NEAR OPEN SNOW FIELDS MAY ALSO BECOME ICY AND
  SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. THE BLOWING SNOW
  COULD ALSO REDUCE VISIBILITIES TO NEAR ZERO AT TIMES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY.

&&

$$
BAKER
5 follow-up statements
577 
WWUS75 KBOU 281644 CCA
NPWBOU

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE DENVER CO
942 AM MST TUE FEB 28 2012

...HIGH WINDS LIKELY IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS
TONIGHT THROUGH EARLY WEDNESDAY MORNING...
...HIGH WINDS NO LONGER EXPECTED ON THE ADJACENT HIGH PLAINS...

.A STRONG STABLE LAYER ABOVE JUST ABOVE MOUNTAIN TOP WILL HELP
PRODUCE A MOUNTAIN WAVE THIS EVENING. THIS WILL ACCELERATE WINDS
DOWN THE EAST FACE OF THE FRONT RANGE OVERNIGHT PRODUCING WIND
STRONG AND VERY GUSTS WEST WINDS.

$$

COZ038-039-281745-
/O.CAN.KBOU.HW.A.0003.120229T0000Z-120229T1600Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT
942 AM MST TUE FEB 28 2012

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH
WIND WATCH. 

HIGH WINDS ARE NO LONGER ANTICIPATED ON THE PLAINS IN EASTERN
LARIMER...EASTERN BOULDER AND EASTERN JEFFERSON COUNTIES.
ALTHOUGH AREAS RIGHT UP AGAINST THE FOOTHILLS COULD SEE WEST WINDS
GUSTING TO AROUND 50 MPH LATE TONIGHT AND EARLY WEDNESDAY
MORNING. DRIVERS OF LIGHT WEIGHT AND HIGH PROFILE VEHICLES SHOULD
BE ON THE ALERT FOR STRONG CROSS WINDS LATER TONIGHT...ESPECIALLY
IF DRIVING ON HIGHWAY 93 BETWEEN GOLDEN AND BOULDER AND HIGHWAY
36 FROM BOULDER TO LYONS.


$$

COZ035-036-290100-
/O.UPG.KBOU.HW.A.0003.120229T0000Z-120229T1600Z/
/O.COR.KBOU.HW.W.0006.120229T0400Z-120229T1600Z/
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 THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
942 AM MST TUE FEB 28 2012

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST
WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...HIGH WINDS ARE LIKELY TO DEVELOP OVER THE FOOTHILLS THIS
  EVENING AND CONTINUE THROUGH EARLY WEDNESDAY MORNING.

* WINDS...ARE LIKELY TO GUST BETWEEN 70 AND 80 MPH. THE STRONGEST
  WINDS WILL OCCUR IN THE FOOTHILLS OF NORTHERN JEFFERSON...
  BOULDER AND LARIMER COUNTIES LATE TONIGHT.

* IMPACTS...THE STRONG WINDS MAY CAUSE HAZARDOUS DRIVING
  CONDITIONS ESPECIALLY FOR LIGHT WEIGHT AND HIGH PROFILE
  VEHICLES. ROADWAYS NEAR OPEN SNOW FIELDS MAY ALSO BECOME ICY
  AND SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. THE BLOWING SNOW
  COULD ALSO REDUCE VISIBILITIES TO NEAR ZERO AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY.

&&

$$

COZ033-034-290100-
/O.COR.KBOU.HW.W.0006.120229T0400Z-120229T1600Z/
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 THE CITIES OF...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
942 AM MST TUE FEB 28 2012

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST
WEDNESDAY. 

* TIMING...HIGH WINDS ARE LIKELY TO DEVELOP ON THE EAST FACE OF
  THE FRONT RANGE MOUNTAINS THIS EVENING AND CONTINUE THROUGH
  EARLY WEDNESDAY MORNING.

* WINDS...ARE EXPECTED TO GUST FROM 70 AND 80 MPH.

* IMPACTS...THE STRONG WINDS MAY CAUSE HAZARDOUS DRIVING
  CONDITIONS ESPECIALLY FOR LIGHT WEIGHT AND HIGH PROFILE
  VEHICLES. ROADWAYS NEAR OPEN SNOW FIELDS MAY ALSO BECOME ICY AND
  SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. THE BLOWING SNOW
  COULD ALSO REDUCE VISIBILITIES TO NEAR ZERO AT TIMES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY.

&&

$$
BAKER
808 
WWUS75 KBOU 282355
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
455 PM MST TUE FEB 28 2012

...ANOTHER ROUND OF HIGH WINDS EXPECTED TO DEVELOP ACROSS THE FRONT
RANGE MOUNTAINS AND FOOTHILLS LATER TONIGHT...

.STRONG WESTERLY FLOW ALOFT IN THE WAKE OF A DEVELOPING STORM
SYSTEM OVER THE UPPER MIDWEST WILL COMBINE WITH A STRONG STABLE
LAYER JUST ABOVE MOUNTAIN TOP TO PRODUCE STRONG WINDS LATER
TONIGHT. TRAVEL ACROSS THE FRONT RANGE FOOTHILLS AND MOUNTAINS IN
HIGH PROFILE VEHICLES IS NOT RECOMMENDED OVERNIGHT INTO EARLY
WEDNESDAY MORNING.

$$

COZ033>036-291200-
/O.CON.KBOU.HW.W.0006.120229T0400Z-120229T1600Z/
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 THE CITIES OF...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
455 PM MST TUE FEB 28 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
9 AM MST WEDNESDAY...

* TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP ACROSS THE FRONT
  RANGE MOUNTAINS AND FOOTHILLS LATE THIS EVENING. THE STRONGEST
  WINDS ARE MOST LIKELY TO OCCUR BETWEEN 2 AM AND 8 AM BEFORE
  WEAKENING WEDNESDAY MORNING.

* WINDS...ARE LIKELY TO GUST BETWEEN 70 AND 80 MPH. THE STRONGEST
  WINDS WILL OCCUR IN THE FOOTHILLS OF NORTHERN JEFFERSON...BOULDER
  AND LARIMER COUNTIES LATE TONIGHT.

* IMPACTS...THE STRONG WINDS MAY CAUSE HAZARDOUS DRIVING 
  CONDITIONS ESPECIALLY FOR LIGHT WEIGHT AND HIGH PROFILE 
  VEHICLES. ROADWAYS NEAR OPEN SNOW FIELDS MAY ALSO BECOME ICY 
  AND SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. THE BLOWING 
  SNOW COULD ALSO REDUCE VISIBILITIES TO NEAR ZERO AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY.

&&

$$

BARJENBRUCH
639 
WWUS75 KBOU 290726
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1226 AM MST WED FEB 29 2012

...ANOTHER ROUND OF HIGH WINDS EXPECTED TO DEVELOP ACROSS THE
FRONT RANGE MOUNTAINS AND FOOTHILLS LATE TONIGHT...

.STRONG WESTERLY FLOW ALOFT IN THE WAKE OF A DEVELOPING STORM
SYSTEM OVER THE UPPER MIDWEST WILL COMBINE WITH A STRONG STABLE
LAYER JUST ABOVE MOUNTAIN TOP TO PRODUCE STRONG WINDS LATER
TONIGHT. TRAVEL ACROSS THE FRONT RANGE FOOTHILLS AND MOUNTAINS IN
HIGH PROFILE VEHICLES IS NOT RECOMMENDED OVERNIGHT INTO EARLY
WEDNESDAY MORNING.

$$

COZ033>036-291530-
/O.CON.KBOU.HW.W.0006.000000T0000Z-120229T1600Z/
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 THE CITIES OF...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
1226 AM MST WED FEB 29 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING...

* TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP ACROSS THE FRONT
  RANGE MOUNTAINS AND FOOTHILLS LATE TONIGHT. THE STRONGEST WINDS
  ARE MOST LIKELY TO OCCUR BETWEEN 3 AM AND 8 AM BEFORE WEAKENING
  WEDNESDAY MORNING.

* WINDS...ARE LIKELY TO GUST BETWEEN 70 AND 80 MPH. THE 
  STRONGEST WINDS WILL OCCUR IN THE FOOTHILLS OF NORTHERN 
  JEFFERSON... BOULDER AND LARIMER COUNTIES LATE TONIGHT. 

* IMPACTS...THE STRONG WINDS MAY CAUSE HAZARDOUS DRIVING 
  CONDITIONS ESPECIALLY FOR LIGHT WEIGHT AND HIGH PROFILE 
  VEHICLES. ROADWAYS NEAR OPEN SNOW FIELDS MAY ALSO BECOME ICY 
  AND SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. THE BLOWING 
  SNOW COULD ALSO REDUCE VISIBILITIES TO NEAR ZERO AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY.

&&

$$
402 
WWUS75 KBOU 291056
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
356 AM MST WED FEB 29 2012

...ANOTHER ROUND OF HIGH WINDS ACROSS THE FRONT RANGE MOUNTAINS
AND FOOTHILLS THIS MORNING...

.STRONG WESTERLY FLOW ALOFT IN THE WAKE OF A STORM SYSTEM OVER
THE UPPER MIDWEST WILL COMBINE WITH A STRONG STABLE LAYER JUST
ABOVE MOUNTAIN TOP TO PRODUCE STRONG WINDS THIS MORNING. TRAVEL ACROSS
THE FRONT RANGE FOOTHILLS AND MOUNTAINS IN HIGH PROFILE VEHICLES
IS NOT RECOMMENDED THIS MORNING.

$$

COZ033>036-291600-
/O.CON.KBOU.HW.W.0006.000000T0000Z-120229T1600Z/
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 THE CITIES OF...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
356 AM MST WED FEB 29 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING...

* TIMING...HIGH WINDS WILL CONTINUE ACROSS THE FRONT RANGE
  MOUNTAINS AND FOOTHILLS THROUGH MID MORNING. THE WINDS SHOULD
  BEGIN TO DECREASE BY LATE MORNING.

* WINDS...GUSTS BETWEEN 70 AND 80 MPH WILL BE POSSIBLE. THE
  STRONGEST WINDS WILL OCCUR IN THE FOOTHILLS OF NORTHERN
  JEFFERSON... BOULDER AND LARIMER COUNTIES.

* IMPACTS...THE STRONG WINDS MAY CAUSE HAZARDOUS DRIVING 
  CONDITIONS ESPECIALLY FOR LIGHT WEIGHT AND HIGH PROFILE 
  VEHICLES. ROADWAYS NEAR OPEN SNOW FIELDS MAY ALSO BECOME ICY 
  AND SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. THE BLOWING 
  SNOW COULD ALSO REDUCE VISIBILITIES TO NEAR ZERO AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY.

&&

$$
194 
WWUS75 KBOU 291606
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
906 AM MST WED FEB 29 2012

COZ033>036-291715-
/O.EXP.KBOU.HW.W.0006.000000T0000Z-120229T1600Z/
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 THE CITIES OF...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
906 AM MST WED FEB 29 2012

...HIGH WIND WARNING HAS EXPIRED...

THE WINDS ACROSS THE EASTERN SLOPES OF THE FRONT RANGE MOUNTAINS
AND THE FOOTHILLS HAVE DROPPED BELOW HIGH WIND CRITERIA.
HOWEVER...STILL EXPECT WESTERLY WINDS TO GUST BETWEEN 45 AND 55
MPH THROUGH THE REST OF THE MORNING. THESE WINDS WILL STILL HAVE
THE POSSIBILITY TO CREATE AREAS OF BLOWING SNOW AND REDUCED
VISIBILITIES. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 3:35 AM MSTWinter Weather AdvisoryBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more20 hr

Nearby

High Wind Warnings in Colorado, 2012Every high wind warning in 2012

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.