Alert archive / Colorado / High Wind Warnings in 2012

High Wind Warning 4, NWS Denver/Boulder, CO

January 21, 20128 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Jan 21, 2012, 3:28 PM MST for 8 counties in Colorado. It took effect at Jan 22, 2012, 5:00 AM MST. It was in force for 12 hr. 7 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
Jan 21, 2012, 3:28 PM MST (22:28 UTC)
In effect from
Jan 22, 2012, 5:00 AM MST
Expired
Jan 22, 2012, 5:00 PM MST
In force
12 hr
Issued by
NWS Denver/Boulder, CO

Counties 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), 109 km from the middle of the area, began a volume at 22:33 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
Jan 22, 8:09 AM MSTNON-TSTM WND GST 55Briggsdale, CO
Jan 22, 8:45 AM MSTNON-TSTM WND GST 58Cedar Point, CO
Jan 22, 9:06 AM MSTNON-TSTM WND GST 61Limon, CO
Jan 22, 9:08 AM MSTNON-TSTM WND GST 63Limon, CO
Jan 22, 9:45 AM MSTNON-TSTM WND GST 58Akron, CO
Jan 22, 9:45 AM MSTNON-TSTM WND GST 63Cedar Point, CO
Jan 22, 9:46 AM MSTNON-TSTM WND GST 58Woodrow, 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, 10.5 hours before the alert went out and 34 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 2012-01-21Temperature 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 2012-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.19395878Sfc1 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
2827 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
90 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.

788 
WWUS75 KBOU 212228
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
328 PM MST SAT JAN 21 2012

...STRONG WINDS EXPECTED SUNDAY OVER THE NORTHEAST PLAINS...

.STRONG WINDS ALOFT ON THE BACKSIDE OF A LOW WILL COMBINE WITH A
STRONG SURFACE PRESSURE GRADIENT TO BRING GUSTY NORTHWEST WINDS TO
THE NORTHEAST PLAINS OF COLORADO. WINDS OF 30 TO 45 MPH SUSTAINED
WITH GUSTS UP TO 60 MPH WILL BE POSSIBLE BEGINNING AROUND SUNRISE
AS A COLD FRONT MOVES SOUTHEAST ACROSS THE AREA.  

COZ033>036-212330-
/O.CAN.KBOU.HW.W.0003.000000T0000Z-120122T0000Z/
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
328 PM MST SAT JAN 21 2012

...HIGH WIND WARNING IS CANCELLED...

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

HIGH WIND CRITERIA WILL NO LONGER OCCUR...HOWEVER EXPECT GUSTS OF
45 TO 55 MPH TO CONTINUE OVER ELEVATIONS ABOVE 8500 FEET IN THE
FOOTHILLS AND ALONG THE EASTERN SLOPES OF THE FRONT RANGE
MOUNTAINS.

$$

COZ042-044-048>051-220700-
/O.NEW.KBOU.HW.W.0004.120122T1200Z-120123T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...
OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
328 PM MST SAT JAN 21 2012

...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 5 PM MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 AM TO 5 PM MST SUNDAY. 

* TIMING...WINDS WILL INCREASE RIGHT BEFORE SUNRISE AND CONTINUE
  INTO THE AFTERNOON. 

* WINDS...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS REACHING 60
  MPH WITH PASSING SHOWERS. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS ESPECIALLY ALONG
  INTERSTATE 76 FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES.
  BLOWING DUST WILL REDUCE VISIBILITIES AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

RESIDENTS IN THE WARNING AREA ARE URGED TO BRING INDOORS ANY LOOSE
ITEMS SUCH AS GARBAGE CANS AND PATIO FURNITURE THAT MAY BE BLOWN
ABOUT BY THE STRONG WINDS.


&&

$$
4 follow-up statements
217 
WWUS75 KBOU 220410
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
910 PM MST SAT JAN 21 2012

...STRONG WINDS EXPECTED SUNDAY OVER THE NORTHEAST PLAINS...

.STRONG WINDS ALOFT ON THE BACKSIDE OF A LOW WILL COMBINE WITH A
STRONG SURFACE PRESSURE GRADIENT TO BRING GUSTY NORTHWEST WINDS
TO THE NORTHEAST PLAINS OF COLORADO. WINDS OF 30 TO 45 MPH
SUSTAINED WITH GUSTS UP TO 60 MPH WILL BE POSSIBLE BEGINNING
AROUND SUNRISE AS A COLD FRONT MOVES SOUTHEAST ACROSS THE AREA.

COZ042-044-048>051-221215-
/O.CON.KBOU.HW.W.0004.120122T1200Z-120123T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...
OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
910 PM MST SAT JAN 21 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO 5 PM MST
SUNDAY...

* TIMING...WINDS WILL INCREASE RIGHT BEFORE SUNRISE AND CONTINUE 
  INTO THE AFTERNOON. 

* WINDS...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS REACHING 60 
  MPH WITH PASSING SHOWERS. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS ESPECIALLY ALONG 
  INTERSTATE 76 FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES. 
  BLOWING DUST WILL REDUCE VISIBILITIES AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

RESIDENTS IN THE WARNING AREA ARE URGED TO BRING INDOORS ANY
LOOSE ITEMS SUCH AS GARBAGE CANS AND PATIO FURNITURE THAT MAY BE
BLOWN ABOUT BY THE STRONG WINDS.

&&

$$
177 
WWUS75 KBOU 221050
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
350 AM MST SUN JAN 22 2012

...STRONG WINDS EXPECTED SUNDAY OVER THE NORTHEAST PLAINS...

.STRONG WINDS ALOFT ON THE BACKSIDE OF A LOW WILL COMBINE WITH A
STRONG SURFACE PRESSURE GRADIENT TO BRING GUSTY NORTHWEST WINDS
TO THE NORTHEAST PLAINS OF COLORADO. WINDS OF 30 TO 45 MPH
SUSTAINED WITH GUSTS UP TO 70 MPH WILL BE POSSIBLE BEGINNING
AROUND SUNRISE AS A COLD FRONT MOVES SOUTHEAST ACROSS THE AREA.

COZ042-044-048>051-222300-
/O.CON.KBOU.HW.W.0004.120122T1200Z-120123T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...
OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
350 AM MST SUN JAN 22 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* TIMING...WINDS WILL INCREASE AROUND SUNRISE AND CONTINUE 
  INTO THE AFTERNOON. 

* WINDS...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS REACHING 70
  MPH.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS ESPECIALLY ALONG
  INTERSTATE 76 FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES.
  BLOWING DUST WILL REDUCE VISIBILITIES AS WELL. IN ADDITION TO
  POWERFUL CROSSWINDS...DRIVERS SHOULD ALSO ANTICIPATE AREAS OF
  BLOWING SNOW THAT WILL REDUCE VISIBILITY TO NEAR ZERO CAUSING
  BRIEF WHITEOUT CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

RESIDENTS IN THE WARNING AREA ARE URGED TO BRING INDOORS ANY
LOOSE ITEMS SUCH AS GARBAGE CANS AND PATIO FURNITURE THAT MAY BE
BLOWN ABOUT BY THE STRONG WINDS.

&&

$$
551 
WWUS75 KBOU 221616
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
916 AM MST SUN JAN 22 2012

...STRONG WINDS WILL CONTINUE OVER THE NORTHEAST PLAINS THROUGH
THIS AFTERNOON...

.STRONG WINDS HAD DEVELOPED ACROSS THE PLAINS THIS MORNING...AND
WILL CONTINUE THROUGH MUCH OF THE AFTERNOON. THE WINDS HAD
DEVELOPED IN THE WAKE OF A DEEP LOW PRESSURE SYSTEM MOVING INTO
THE CENTRAL PLAINS. NORTHWEST WINDS OF 30 TO 45 MPH WILL GUST TO
AROUND 60 MPH THROUGH MUCH OF THE AFTERNOON.

COZ046-047-230000-
/O.EXA.KBOU.HW.W.0004.000000T0000Z-120123T0000Z/
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...AGATE...HUGO...LIMON...MATHESON...
FORDER...KARVAL...KUTCH...PUNKIN CENTER
916 AM MST SUN JAN 22 2012

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

* TIMING...STRONG WINDS WILL CONTINUE THROUGH THE AFTERNOON...AND
  THEN DECREASE BY SUNSET.

* WINDS...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS AROUND 60
  MPH.

* IMPACTS...TRAVEL WILL BE HAZARDOUS WITH STRONG CROSS WINDS AND
  AREAS OF BLOWING DUST. TRAVEL IN HIGH PROFILE OR LIGHT WEIGHT
  VEHICLES IS NOT RECOMMENDED...INCLUDING INTERSTATE 76 AND
  INTERSTATE 70 ACROSS THE EASTERN PLAINS OF COLORADO. LOCAL
  BROWNOUT CONDITIONS ARE POSSIBLE IN OPEN AREAS...SO TRAVELERS
  SHOULD BE PREPARED FOR SUDDEN SLOW DOWNS OR STOPPED TRAFFIC.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

RESIDENTS IN THE WARNING AREA ARE URGED TO BRING INDOORS ANY
LOOSE ITEMS SUCH AS GARBAGE CANS AND PATIO FURNITURE THAT MAY BE
BLOWN ABOUT BY THE STRONG WINDS.

&&

$$

COZ042-044-048>051-230000-
/O.CON.KBOU.HW.W.0004.000000T0000Z-120123T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...
OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
916 AM MST SUN JAN 22 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* TIMING...STRONG WINDS WILL CONTINUE THROUGH THE AFTERNOON...AND
  THEN DECREASE BY SUNSET.

* WINDS...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS AROUND 60
  MPH.

* IMPACTS...TRAVEL WILL BE HAZARDOUS WITH STRONG CROSS WINDS AND
  AREAS OF BLOWING DUST. TRAVEL IN HIGH PROFILE OR LIGHT WEIGHT
  VEHICLES IS NOT RECOMMENDED...INCLUDING INTERSTATE 76 AND
  INTERSTATE 70 ACROSS THE EASTERN PLAINS OF COLORADO. LOCAL
  BROWNOUT CONDITIONS ARE POSSIBLE IN OPEN AREAS...SO TRAVELERS
  SHOULD BE PREPARED FOR SUDDEN SLOW DOWNS OR STOPPED TRAFFIC.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

RESIDENTS IN THE WARNING AREA ARE URGED TO BRING INDOORS ANY
LOOSE ITEMS SUCH AS GARBAGE CANS AND PATIO FURNITURE THAT MAY BE
BLOWN ABOUT BY THE STRONG WINDS.

&&

$$

BARJENBRUCH/KRIEDERMAN
280 
WWUS75 KBOU 230003
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
503 PM MST SUN JAN 22 2012


COZ042-044-046>051-230115-
/O.EXP.KBOU.HW.W.0004.000000T0000Z-120123T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
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-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH...
PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ...AKRON...
COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK...
AMHERST...HAXTUN...HOLYOKE
503 PM MST SUN JAN 22 2012

...HIGH WIND WARNING HAS EXPIRED...

WINDS WILL CONTINUE TO GRADUALLY DECREASE THIS EVENING WITH SPEEDS
IN THE 15 TO 30 MPH RANGE.

$$

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.