Alert archive / Colorado / High Wind Warnings in 2014

High Wind Warning 7, NWS Denver/Boulder, CO

February 12, 20147 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Feb 12, 2014, 9:00 AM MST for 7 counties in Colorado. It took effect at Feb 12, 2014, 3:00 PM MST. It was in force for 12 hr. 2 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 12, 2014, 9:00 AM MST (16:00 UTC)
In effect from
Feb 12, 2014, 3:00 PM MST
Expired
Feb 13, 2014, 3:00 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, Jefferson County, CO, Larimer County, CO, Park County, CO

The radar

The Denver radar (KFTG), 74 km from the middle of the area, began a volume at 15:59 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 12, 8:30 PM MSTNON-TSTM WND GST 802 Sse Gold Hill, CO
Feb 12, 11:50 PM MSTNON-TSTM WND GST 733 Ssw Boulder, CONCAR MESA LAB

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, 4.0 hours before the alert went out and 187 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 2014-02-12Temperature 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 2014-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939587897117136156Sfc1 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
952 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
153 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.

019 
WWUS75 KBOU 121600
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
900 AM MST WED FEB 12 2014

...STRONG WINDS POSSIBLE IN THE FOOTHILLS LATE THIS AFTERNOON
THROUGH THURSDAY MORNING...

COZ035-036-130300-
/O.UPG.KBOU.HW.A.0003.140212T2200Z-140213T1900Z/
/O.NEW.KBOU.HW.W.0007.140212T2200Z-140213T1900Z/
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
900 AM MST WED FEB 12 2014

...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON
MST THURSDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON MST
THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...STRONG WINDS ARE EXPECTED TO DEVELOP LATE THIS
  AFTERNOON AND CONTINUE INTO THURSDAY MORNING IN THE FOOTHILLS.

* WINDS...WEST WINDS 30 TO 40 MPH WITH GUSTS TO 75 MPH POSSIBLE.

* IMPACTS...TRAVEL ON NORTH-SOUTH HIGHWAYS LIKE THE PEAK-TO-PEAK
  HIGHWAY MAY BECOME QUITE DIFFICULT AND EVEN DANGEROUS DUE TO
  VIOLENT CROSSWINDS. THE STRONG WINDS MAY PRODUCE AREAS OF
  BLOWING SNOW WHICH WILL REDUCE VISIBILITY AND CREATE SLIPPERY
  ROADS.

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
980 
WWUS75 KBOU 130127
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
627 PM MST WED FEB 12 2014


COZ035-036-131000-
/O.CON.KBOU.HW.W.0007.000000T0000Z-140213T1900Z/
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
627 PM MST WED FEB 12 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST THURSDAY...

* TIMING...STRONG WINDS ARE EXPECTED TO DEVELOP THROUGH THIS
  EVENING AND CONTINUE INTO THURSDAY MORNING.

* WINDS...WEST WINDS 30 TO 40 MPH WITH GUSTS TO 75 MPH.

* IMPACTS...TRAVEL ON NORTH-SOUTH HIGHWAYS LIKE THE PEAK-TO-PEAK 
  HIGHWAY MAY BECOME QUITE DIFFICULT AND EVEN DANGEROUS DUE TO 
  VIOLENT CROSSWINDS. THE STRONG WINDS MAY PRODUCE AREAS OF 
  BLOWING SNOW WHICH WILL REDUCE VISIBILITY AND CREATE SLIPPERY 
  ROADS. 

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.

&&

$$
924 
WWUS75 KBOU 131000
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
300 AM MST THU FEB 13 2014

COZ035-036-131100-
/O.CAN.KBOU.HW.W.0007.000000T0000Z-140213T1900Z/
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
300 AM MST THU FEB 13 2014

...HIGH WIND WARNING IS CANCELLED...

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

THE PEAK PERIOD OF STRONG WINDS HAS PASSED AND ARE NO LONGER
EXPECTING TO SEE WINDS OF 75 MPH OR GREATER IN THE FOOTHILLS.
HOWEVER...WINDS ARE STILL EXPECTED TO BE GUSTING BETWEEN 50 AND 60
MPH THIS MORNING BEFORE DECREASING FURTHER THIS AFTERNOON. AT
THESE SPEEDS...THE WIND MAY STILL BE ABLE TO PRODUCE SOME BLOWING
SNOW AND ABLE TO LIFT AND BLOW AROUND LIGHT OUTDOOR ITEMS.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 7:20 PM MSTHigh Wind WatchBOUBoulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more14 hr
Feb 12, 3:51 AM MSTWinter Weather AdvisoryBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more43 hr

Nearby

High Wind Warnings in Colorado, 2014Every high wind warning in 2014

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.