Alert archive / Colorado / High Wind Warnings in 2015

High Wind Warning 1, NWS Denver/Boulder, CO

January 5, 201510 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Jan 5, 2015, 4:39 AM MST for 10 counties in Colorado. It took effect at Jan 5, 2015, 5:00 AM MST. It was in force for 15 hr. 33 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 5, 2015, 4:39 AM MST (11:39 UTC)
In effect from
Jan 5, 2015, 5:00 AM MST
Expired
Jan 5, 2015, 8:04 PM MST
In force
15 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 11:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Jan 5, 6:11 AM MSTNON-TSTM WND GST 74Aspen Springs, CO
Jan 5, 6:15 AM MSTNON-TSTM WND GST 761 Nw Glen Haven, CO
Jan 5, 7:15 AM MSTNON-TSTM WND GST 7840 Nw Fort Collins, CO
Jan 5, 7:35 AM MSTNON-TSTM WND GST 834 Ene Nederland, CO
Jan 5, 7:41 AM MSTNON-TSTM WND GST 73Black Hawk, CO
Jan 5, 7:52 AM MSTNON-TSTM WND GST 852 Sse Gold Hill, CO
Jan 5, 8:56 AM MSTNON-TSTM WND GST 87Aspen Springs, CO
Jan 5, 8:56 AM MSTNON-TSTM WND GST 87Sse Aspen Springs, CO
Jan 5, 8:56 AM MSTNON-TSTM WND DMG2 Ene Dumont, COWIND DAMAGE TO SIGN IN CENTRAL CITY THIS AFTERNOON. MAX WND GUST ACCORDING TO LOCAL MESOWEST SITE WAS 66 MPH AT 239 PM.
Jan 5, 8:56 AM MSTNON-TSTM WND DMG3 Se Pinecliffe, COTREES REPORTED SNAPPED OR UPROOTED WITH A TREE DOWN ACROSS GAP ROAD. BRIEF POWER OUTAGE REPORTED. GUST WAS REPORTED AS 82 MPH AT 752 AM.
Jan 5, 8:59 AM MSTNON-TSTM WND GST 834 Ene Nederland, CO
Jan 5, 9:17 AM MSTNON-TSTM WND GST 932 Sse Gold Hill, CO
Jan 5, 9:46 AM MSTNON-TSTM WND GST 864 Ene Nederland, CO
Jan 5, 9:58 AM MSTNON-TSTM WND GST 682 Wnw Brookvale, CO
Jan 5, 10:40 AM MSTNON-TSTM WND GST 75Floyd Hill, CO
Jan 5, 10:45 AM MSTNON-TSTM WND GST 88Aspen Springs, CO
Jan 5, 11:05 AM MSTNON-TSTM WND GST 914 Ene Nederland, CO
Jan 5, 11:11 AM MSTNON-TSTM WND GST 68Virginia Dale, CO
Jan 5, 11:20 AM MSTNON-TSTM WND GST 70Floyd Hill, CO
Jan 5, 11:27 AM MSTNON-TSTM WND GST 942 Sse Gold Hill, CO
Jan 5, 11:29 AM MSTNON-TSTM WND GST 71Downieville, CO
Jan 5, 11:48 AM MSTNON-TSTM WND GST 734 Ene Bergen Park, CO
Jan 5, 12:42 PM MSTNON-TSTM WND GST 761 Nw Glen Haven, CO
Jan 5, 12:42 PM MSTNON-TSTM WND GST 81Glen Haven, CO
Jan 5, 12:52 PM MSTNON-TSTM WND GST 672 Se Superior, COROCKY MOUNTAIN REGIONAL AIRPORT
Jan 5, 12:52 PM MSTNON-TSTM WND GST 672 Se Superior, CO
Jan 5, 1:29 PM MSTNON-TSTM WND GST 761 S Dumont, CO
Jan 5, 3:07 PM MSTNON-TSTM WND GST 1062 Sse Gold Hill, CO
Jan 5, 4:10 PM MSTNON-TSTM WND GST 695 S Estes Park, CO
Jan 5, 4:24 PM MSTNON-TSTM WND GST 762 Wnw Aspen Springs, CO
Jan 5, 5:31 PM MSTNON-TSTM WND GST 73Virginia Dale, CO
Jan 5, 6:29 PM MSTNON-TSTM WND GST 901 S Dumont, CO
Jan 5, 8:00 PM MSTNON-TSTM WND GST 79Loveland Pass, 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 (KDEN), launched 00:00Z, 11.7 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 00:00Z on 2015-01-05Temperature 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 00:00Z on 2015-01-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2140 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
450 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.

287 
WWUS75 KBOU 051139
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
439 AM MST MON JAN 5 2015

COZ033>036-052100-
/O.UPG.KBOU.HW.A.0001.150105T1200Z-150106T0600Z/
/O.NEW.KBOU.HW.W.0001.150105T1200Z-150106T0600Z/
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
439 AM MST MON JAN 5 2015

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...HIGH WINDS WILL DEVELOP THIS MORNING AND CONTINUE INTO
  MONDAY EVENING. THE WINDS ARE EXPECTED TO BE STRONGEST LATE
  MONDAY MORNING AND INTO THE AFTERNOON.

* WINDS...WEST WINDS 30 TO 50 MPH WITH GUSTS UP TO 80 MPH CAN BE
  EXPECTED...STRONGEST IN THE FRONT RANGE MOUNTAINS ALONG AND
  EAST OF THE CONTINENTAL DIVIDE...AND IN THE FOOTHILLS ABOVE 8
  THOUSAND FEET.

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR STRONG 
  CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. IN ADDITION 
  TO STRONG CROSSWINDS...DRIVERS SHOULD ALSO ANTICIPATE AREAS OF 
  BLOWING SNOW THAT WILL REDUCE VISIBILITIES TO NEAR ZERO. BRIEF 
  WHITEOUT CONDITIONS MAY BE ENCOUNTERED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING TRAVEL UNTIL THE
WINDS SUBSIDE.

&&

$$
2 follow-up statements
502 
WWUS75 KBOU 052357
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
457 PM MST MON JAN 5 2015

...STRONG WINDS CONTINUE LATE MONDAY AFTERNOON...

.GUSTY WINDS WILL PERSIST INTO THE EVENING HOURS IN THE FOOTHILLS
AND HIGHER MOUNTAIN AREAS. SEVERAL GUSTS IN EXCESS OF 80 MPH HAVE
OCCURRED IN THE WARNING AREA WITH THE STRONGEST GUSTS OF 94 MPH
AND 91 MPH OCCURRING NEAR GOLD HILL AND NEDERLAND IN BOULDER
COUNTY.

COZ033>036-060600-
/O.CON.KBOU.HW.W.0001.000000T0000Z-150106T0600Z/
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
457 PM MST MON JAN 5 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* TIMING...HIGH WINDS WILL CONTINUE INTO THE EVENING HOURS BEFORE
  WEAKENING TOWARDS MIDNIGHT.

* WINDS...WEST 30 TO 50 MPH WITH GUSTS UP TO 80 MPH CAN BE
  EXPECTED...STRONGEST IN THE FRONT RANGE MOUNTAINS ALONG AND EAST
  OF THE CONTINENTAL DIVIDE...AND IN THE FOOTHILLS ABOVE 8
  THOUSAND FEET.

* IMPACTS...PEOPLE PLANNING TRAVEL INTO THE WARNING AREA SHOULD
  BE PREPARED FOR STRONG CROSS WINDS CAUSING HAZARDOUS DRIVING
  CONDITIONS. IN ADDITION TO STRONG CROSSWINDS...DRIVERS SHOULD
  ALSO ANTICIPATE AREAS OF BLOWING SNOW THAT WILL REDUCE
  VISIBILITIES TO NEAR ZERO. BRIEF WHITEOUT CONDITIONS MAY BE
  ENCOUNTERED.

&&

$$
260 
WWUS75 KBOU 060304
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
804 PM MST MON JAN 5 2015


COZ033>036-060415-
/O.CAN.KBOU.HW.W.0001.000000T0000Z-150106T0600Z/
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
804 PM MST MON JAN 5 2015

...HIGH WIND WARNING IS CANCELLED...

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

ALTHOUGH THE WIND WILL REMAIN GUSTY AT TIMES IN THE MOUNTAINS AND
FOOTHILLS THIS EVENING. THE WINDS ARE NO LONGER EXPECTED TO REACH
WARNING CRITERIA. THEREFORE THE HIGH WIND WARNING HAS BEEN
CANCELLED.  

AREAS OF BLOWING SNOW MAY STILL BE AN ISSUE AT TIMES THIS EVENING.
SOME ROADWAYS MAY BECOME SNOWPACKED AND SLICK IN SPOTS. MOTORISTS
ARE URGED TO SLOW DOWN AND EXERCISE CAUTION.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 5, 8:41 AM MSTWinter Weather AdvisoryBOUPark11 hr

Nearby

High Wind Warnings in Colorado, 2015Every high wind warning in 2015

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.