Alert archive / Colorado / High Wind Warnings in 2013

High Wind Warning 2, NWS Denver/Boulder, CO

October 10, 20139 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Oct 10, 2013, 2:55 PM MDT for 9 counties in Colorado. It took effect at Oct 11, 2013, 12:00 AM MDT. It was in force for 9 hr. 13 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
Oct 10, 2013, 2:55 PM MDT (20:55 UTC)
In effect from
Oct 11, 2013, 12:00 AM MDT
Expired
Oct 11, 2013, 9:00 AM MDT
In force
9 hr
Issued by
NWS Denver/Boulder, CO

Counties Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 62 km from the middle of the area, began a volume at 20:58 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
Oct 11, 2:00 AM MDTNON-TSTM WND GST 822 S Crescent Village, CO
Oct 11, 2:15 AM MDTNON-TSTM WND GST 732 S Marshall, CO
Oct 11, 2:22 AM MDTNON-TSTM WND GST 693 Ssw Boulder, CONCAR MESA LAB
Oct 11, 2:56 AM MDTNON-TSTM WND GST 842 S Marshall, CO
Oct 11, 2:57 AM MDTNON-TSTM WND GST 712 Sw Pleasant View, CO
Oct 11, 3:04 AM MDTNON-TSTM WND GST 712 Nw Genesee, CO
Oct 11, 3:08 AM MDTNON-TSTM WND GST 822 Wnw Rocky Flats, CO
Oct 11, 3:30 AM MDTNON-TSTM WND GST 753 Ssw Boulder, COPOWER OUTGAGES IN BOULDER
Oct 11, 3:40 AM MDTNON-TSTM WND GST 793 Ssw Boulder, CONCAR MESA LAB
Oct 11, 3:47 AM MDTNON-TSTM WND GST 792 Sw Pleasant View, CO
Oct 11, 4:10 AM MDTNON-TSTM WND GST 73Superior, CO
Oct 11, 4:30 AM MDTNON-TSTM WND DMGBoulder, COSEVERAL POWER OUTGAGES IN BOULDER AND IN THE FOOTHILLS WEST OF BOULDER DUE TO THE HIGH WINDS. ESTIMATED NUMBER WITHOUT POWER BETWEEN 11000 AND 12000.
Oct 11, 4:35 AM MDTNON-TSTM WND DMGGolden, COPOWER OUTAGES DUE TO HIGH WINDS ALSO REPORTED IN GOLDEN AND LAKEWOOD WITH AROUND 1500 AFFECTED.

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 12:00Z, 8.9 hours before the alert went out and 173 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 2013-10-10Temperature 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 2013-10-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
951 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
161 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.

179 
WWUS75 KBOU 102055
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
255 PM MDT THU OCT 10 2013

...HIGH WINDS EXPECTED AFTER MIDNIGHT TONIGHT THROUGH FRIDAY
MORNING IN AND NEAR THE FOOTHILLS...

.STRONG WINDS WILL DEVELOP AFTER MIDNIGHT AND CONTINUE THROUGH
FRIDAY MORNING IN AND NEAR THE FOOTHILLS. THE HIGH WINDS WILL
DEVELOP AS THE STRONG STORM SYSTEM NOW OVER SOUTHWEST COLORADO
PASSES OVERHEAD. AREAS SUCH AS THE PEAK TO PEAK HIGHWAY...HIGHWAY
93 AND ALONG HIGHWAY 36 NEAR THE FOOTHILLS COULD EXPERIENCE HIGH
WINDS OVERNIGHT.

COZ035-036-038-039-110500-
/O.UPG.KBOU.HW.A.0002.131011T0600Z-131011T1500Z/
/O.NEW.KBOU.HW.W.0002.131011T0600Z-131011T1500Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS...
HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN...
LAKEWOOD...LONGMONT
255 PM MDT THU OCT 10 2013

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...HIGH WINDS WILL DEVELOP AFTER MIDNIGHT AND CONTINUE
  THROUGH FRIDAY MORNING.

* WINDS...WEST WINDS 25 TO 40 MPH WITH GUSTS TO 75 MPH.

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR STRONG 
  CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. DRIVERS OF 
  LIGHT WEIGHT OR HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING 
  TRAVEL OR USE ALTERNATE ROUTES. 

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.

&&

$$
4 follow-up statements
938 
WWUS75 KBOU 110317
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
917 PM MDT THU OCT 10 2013

...HIGH WINDS EXPECTED AFTER MIDNIGHT TONIGHT THROUGH FRIDAY
MORNING IN AND NEAR THE FOOTHILLS...

.STRONG WINDS ARE EXPECTED TO DEVELOP OVER THE EASTERN SLOPES OF
THE FRONT RANGE AFTER MIDNIGHT AND CONTINUE THROUGH FRIDAY
MORNING. THE WINDS WILL DEVELOP AS A STRONG STORM SYSTEM OVER
SOUTH CENTRAL COLORADO THIS EVENING MOVES NORTHEAST THROUGH THE
PRE-DAWN HOURS. AREAS SUCH AS THE PEAK TO PEAK HIGHWAY...HIGHWAY
93 BETWEEN GOLDEN AND BOULDER...AND HIGHWAY 36 NORTH OF BOULDER
COULD EXPERIENCE HIGH WINDS OVERNIGHT.

COZ035-036-038-039-111130-
/O.CON.KBOU.HW.W.0002.131011T0600Z-131011T1500Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS...
HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN...
LAKEWOOD...LONGMONT
917 PM MDT THU OCT 10 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY...

* TIMING...HIGH WINDS WILL DEVELOP AFTER MIDNIGHT AND CONTINUE 
  THROUGH FRIDAY MORNING. 

* WINDS...WEST WINDS 25 TO 40 MPH WITH GUSTS TO 75 MPH.

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR STRONG
  CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. DRIVERS OF
  LIGHT WEIGHT OR HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING
  TRAVEL OR USE ALTERNATE ROUTES. TREE DAMAGE WILL ALSO BE
  POSSIBLE AS MOST TREES STILL HAVE PLENTY OF FOLIAGE. 

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.

&&

$$
886 
WWUS75 KBOU 110946
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
346 AM MDT FRI OCT 11 2013

...HIGH WINDS WILL CONTINUE THIS MORNING IN AND NEAR THE
FOOTHILLS...

.STRONG WINDS HAVE DEVELOPED OVER THE EASTERN SLOPES OF THE FRONT
RANGE AND WILL CONTINUE THIS MORNING. AREAS SUCH AS THE PEAK TO
PEAK HIGHWAY...HIGHWAY 93 BETWEEN GOLDEN AND BOULDER...AND HIGHWAY
36 NORTH OF BOULDER WILL EXPERIENCE THE HIGHEST WINDS.

COZ035-036-038-039-111500-
/O.CON.KBOU.HW.W.0002.000000T0000Z-131011T1500Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS...
HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN...
LAKEWOOD...LONGMONT
346 AM MDT FRI OCT 11 2013

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

* TIMING...HIGH WINDS WILL CONTINUE EARLY THIS MORNING AND THEN
  DECREASE BY LATE MORNING.

* WINDS...WEST WINDS 25 TO 40 MPH WITH GUSTS TO 80 MPH.

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR STRONG 
  CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. DRIVERS OF 
  LIGHT WEIGHT OR HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING 
  TRAVEL OR USE ALTERNATE ROUTES. TREE DAMAGE WILL ALSO BE 
  POSSIBLE AS MOST TREES STILL HAVE PLENTY OF FOLIAGE. 

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.

&&

$$
549 
WWUS75 KBOU 111259
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
659 AM MDT FRI OCT 11 2013

...HIGH WINDS IN AND NEAR THE FOOTHILLS WILL GRADUALLY DECREASE
THIS MORNING...

.HIGH WINDS GUSTED TO AROUND 80 MPH DURING THE LATE NIGHT AND
EARLY MORNING HOURS...RESULTING IN BROKEN TREE LIMBS AND
SCATTERED POWER OUTAGES FROM BOULDER COUNTY THROUGH THE WESTERN
SUBURBS OF DENVER. THE WINDS HAVE DECREASED SLIGHTLY MAINLY IN THE
WESTERN SECTIONS OF DENVER...BUT CONTINUE TO GUST TO AROUND 75 MPH
IN WIND PRONE AREAS OF THE FOOTHILLS. THE WINDS ARE EXPECTED TO
GRADUALLY DECREASE THROUGH THE REST OF THE MORNING...BUT A FEW
PERIODS OF STRONG GUSTY WINDS WILL STILL BE POSSIBLE ON THE NEARBY
ADJACENT PLAINS UNTIL MID MORNING.

COZ035-036-038-039-111500-
/O.CON.KBOU.HW.W.0002.000000T0000Z-131011T1500Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS...
HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN...
LAKEWOOD...LONGMONT
659 AM MDT FRI OCT 11 2013

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

* TIMING...HIGH WINDS WILL GRADUALLY DECREASE BY THE MID MORNING
  HOURS.

* WINDS...WEST WINDS 25 TO 40 MPH WITH GUSTS TO 75 MPH...STRONGEST
  GUSTS MAINLY IN THE FOOTHILLS.

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR STRONG
  CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. TREE DAMAGE
  AND SCATTERED POWER OUTAGES CAN ALSO BE EXPECTED AS MOST TREES
  STILL HAVE PLENTY OF FOLIAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. SCATTERED
POWER OUTAGES HAVE OCCURRED...STAY AWAY FROM DOWNED POWER LINES.
MOTORISTS TRAVELING IN HIGH PROFILE VEHICLES SHOULD CONSIDER
DELAYING TRAVEL UNTIL THE WINDS SUBSIDE.

&&

$$

BARJENBRUCH
942 
WWUS75 KBOU 111454
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
854 AM MDT FRI OCT 11 2013

COZ035-036-038-039-111600-
/O.EXP.KBOU.HW.W.0002.000000T0000Z-131011T1500Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS...
HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN...
LAKEWOOD...LONGMONT
854 AM MDT FRI OCT 11 2013

...HIGH WIND WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING...

HIGH WINDS THAT BROKE TREE LIMBS AND PRODUCED SCATTERED POWER
OUTAGES DURING THE EARLY MORNING HOURS HAVE DECREASED. WHILE SOME
GUSTS UP TO 50 MPH CAN STILL BE EXPECTED IN THE FOOTHILLS THIS
MORNING...THE THREAT OF DAMAGING WINDS HAS ENDED.  

$$

BARJENBRUCH

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 3:42 AM MDTWinter Weather AdvisoryBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more32 hr
Oct 10, 3:49 AM MDTHigh Wind WatchBOUBoulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 3 more11 hr
Oct 10, 5:46 PM MDTSevere Thunderstorm WarningBOULogan, Phillips, Sedgwick, Washington44 min

Nearby

High Wind Warnings in Colorado, 2013Every high wind warning in 2013

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.