Alert archive / Colorado / High Wind Warnings in 2012

High Wind Warning 2, NWS Denver/Boulder, CO

January 19, 20127 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Jan 19, 2012, 2:38 PM MST for 7 counties in Colorado. It took effect at Jan 19, 2012, 8:00 PM MST. It was in force for 12 hr. 12 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 19, 2012, 2:38 PM MST (21:38 UTC)
In effect from
Jan 19, 2012, 8:00 PM MST
Expired
Jan 20, 2012, 8:10 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 21:40 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 19, 10:11 PM MSTNON-TSTM WND GST 63S Boulder, COLOCATED NEAR FAIRVIEW HIGH SCHOOL
Jan 19, 11:15 PM MSTNON-TSTM WND GST 851 Sw Boulder, CONCAR MESA LAB
Jan 20, 12:40 AM MSTNON-TSTM WND GST 764 Wsw Eldorado Springs, CO
Jan 20, 2:50 AM MSTNON-TSTM WND GST 952 Nw Rocky Flats, CONATIONAL WIND TECHNOLOGY CENTER
Jan 20, 2:57 AM MSTNON-TSTM WND GST 805 Wnw Boulder, COSUNSHINE CANYON
Jan 20, 3:30 AM MSTNON-TSTM WND GST 591 Ne Boulder, CO
Jan 20, 4:01 AM MSTNON-TSTM WND GST 633 Ne Boulder, CO
Jan 20, 4:20 AM MSTNON-TSTM WND GST 592 W Longmont, COVANCE BRAND AIRPORT
Jan 20, 4:24 AM MSTNON-TSTM WND GST 626 Wnw Berthoud, CO
Jan 20, 4:29 AM MSTNON-TSTM WND GST 721 Nw Lyons, CO
Jan 20, 4:50 AM MSTNON-TSTM WND GST 615 Nw Fort Collins, COCSU FOOTHILLS CAMPUS
Jan 20, 5:00 AM MSTNON-TSTM WND GST 617 S Lyons, 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, 9.6 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 2012-01-19Temperature 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 2012-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 395 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
2550 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
395 m²/s²
0-3 km storm-relative helicity
744 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.

091 
WWUS75 KBOU 192138
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
238 PM MST THU JAN 19 2012

...MORE STRONG WINDS EXPECTED OVER THE FRONT RANGE FOOTHILLS
TONIGHT THROUGH EARLY FRIDAY...

COZ035-036-200545-
/O.NEW.KBOU.HW.W.0002.120120T0300Z-120120T1700Z/
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
238 PM MST THU JAN 19 2012

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 10 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM MST
FRIDAY. 

* TIMING...STRONG WESTERLY WINDS WILL INCREASE BY LATER THIS
  EVENING AND CONTINUE THROUGH MID MORNING ON FRIDAY. THE WINDS
  WILL DECREASE BY NOON ON FRIDAY. 

* WINDS...WEST WINDS OF 25 TO 40 MPH WITH GUSTS UP TO 80 MPH CAN
  BE EXPECTED...ESPECIALLY OVER WIND PRONE AREAS AND EXPOSED EAST
  SLOPES. THE STRONGEST WINDS WILL BE OVER NORTHERN JEFFERSON AND
  WESTERN BOULDER COUNTIES. 

* 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. IF YOU ARE DRIVING ON THE
  ROADWAYS SLOW DOWN AND REMAIN ALERT FOR SUDDEN AND STRONG WIND
  GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
027 
WWUS75 KBOU 200322
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
822 PM MST THU JAN 19 2012

...MORE STRONG WINDS EXPECTED OVER THE FRONT RANGE FOOTHILLS
OVERNIGHT THROUGH EARLY FRIDAY...

COZ035-036-201130-
/O.CON.KBOU.HW.W.0002.000000T0000Z-120120T1700Z/
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
822 PM MST THU JAN 19 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM MST FRIDAY...

* TIMING...STRONG WESTERLY WINDS WILL INCREASE BY MIDNIGHT AND CONTINUE
  THROUGH MID MORNING ON FRIDAY. THE WINDS WILL DECREASE BY NOON
  ON FRIDAY.

* WINDS...WEST WINDS OF 25 TO 40 MPH WITH GUSTS UP TO 80 MPH CAN 
  BE EXPECTED...ESPECIALLY OVER WIND PRONE AREAS AND EXPOSED 
  EAST SLOPES. THE STRONGEST WINDS WILL BE OVER NORTHERN 
  JEFFERSON AND WESTERN BOULDER COUNTIES. 

* 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. IF YOU ARE DRIVING ON THE 
  ROADWAYS SLOW DOWN AND REMAIN ALERT FOR SUDDEN AND STRONG WIND 
  GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
333 
WWUS75 KBOU 201044
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
344 AM MST FRI JAN 20 2012


COZ035-036-201700-
/O.CON.KBOU.HW.W.0002.000000T0000Z-120120T1700Z/
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
344 AM MST FRI JAN 20 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* TIMING...STRONG WESTERLY WINDS WILL CONTINUE THIS MORNING...
  STRONGEST IN THE FOOTHILLS OF SOUTHERN BOULDER AND NORTHERN
  JEFFERSON COUNTIES. 

* WINDS...WEST WINDS OF 25 TO 40 MPH WITH GUSTS IN EXCESS OF 80 MPH
  CAN BE EXPECTED...ESPECIALLY OVER WIND PRONE AREAS AND EXPOSED
  EAST SLOPES. AT 250 AM...A PEAK WIND GUST TO 95 MPH WAS RECORDED
  AT THE NATIONAL WIND TECHNOLOGY CENTER SOUTH OF BOULDER.

* 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. HIGHWAY 93 BETWEEN GOLDEN AND
  BOULDER WILL BE ESPECIALLY SUSCEPTIBLE TO SUDDEN AND STRONG WIND
  GUSTS SO REMAIN ALERT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
585 
WWUS75 KBOU 201510
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
810 AM MST FRI JAN 20 2012

COZ035-036-201615-
/O.CAN.KBOU.HW.W.0002.000000T0000Z-120120T1700Z/
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
810 AM MST FRI JAN 20 2012

...HIGH WIND WARNING IS CANCELLED...

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

THE GUSTS UP TO 80 MPH HAVE DIMINISHED IN THE FOOTHILLS...HOWEVER
EXPECT TO CONTINUE TO SEE SOME GUSTS UP TO 50 MPH THIS MORNING
BEFORE DECREASING FURTHER AROUND NOON.

$$

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.