Alert archive / Colorado / High Wind Warnings in 2011

High Wind Warning 1, NWS Denver/Boulder, CO

January 16, 2011Boulder County, Larimer County, Weld County, Colorado

NWS Denver/Boulder, CO issued this high wind warning at Jan 16, 2011, 2:44 PM MST for Boulder County, Larimer County, Weld County, Colorado. It was in force for 25 hr. 1 report 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 16, 2011, 2:44 PM MST (21:44 UTC)
Expired
Jan 17, 2011, 3:38 PM MST
In force
25 hr
Issued by
NWS Denver/Boulder, CO

Counties Boulder County, CO, Larimer County, CO, Weld County, CO

The radar

The Cheyenne radar (KCYS), 82 km from the middle of the area, began a volume at 21:48 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 16, 10:00 PM MSTNON-TSTM WND GST 683 Sw Boulder, COMESA 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 (KDNR), launched 12:00Z, 9.7 hours before the alert went out and 169 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 2011-01-16Temperature 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 2011-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.1939587897117136Sfc1 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
1749 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
154 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.

391 
WWUS75 KBOU 162144
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
244 PM MST SUN JAN 16 2011


COZ035-038-170545-
/O.NEW.KBOU.HW.W.0001.110116T2144Z-110118T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...FORT COLLINS...HEREFORD...LOVELAND...NUNN
244 PM MST SUN JAN 16 2011

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MST MONDAY...

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


* TIMING...THE WIND WILL BE INCREASING IN THE FOOTHILLS OF
  LARIMER AND BOULDER COUNTIES THROUGH THIS EVENING...THEN SPREAD
  INTO THE INTERSTATE 25 CORRIDOR BY MONDAY MORNING. THE STRONG
  WINDS ARE EXPECTED TO CONTINUE THROUGH MONDAY AFTERNOON.

* WINDS...NORTHWEST WINDS 30 TO 45 MPH WILL OCCUR WITH GUSTS TO
  80 MPH.

* IMPACTS...THE STRONGEST WINDS WILL OCCUR IN WIND PRONE AREAS
  SUCH AS THE PEAK TO PEAK HIGHWAY...HIGHWAY 287 FROM FORT COLLINS
  TO THE WYOMING BORDER...INTERSTATE 25 FROM FORT COLLINS TO
  CHEYENNE...CARTER LAKE...LIVERMORE AND RED FEATHER LAKES. HIGH
  PROFILE VEHICLES WILL BE EXTREMELY SUSCEPTIBLE TO HIGH WINDS.
  LIGHTWEIGHT AND UNSECURED ITEMS...LIKE GARBAGE CANS...SHOULD
  ALSO BE PROTECTED FROM BEING BLOWN AWAY. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
5 follow-up statements
593 
WWUS75 KBOU 170508
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1008 PM MST SUN JAN 16 2011

COZ035-038-171645-
/O.CON.KBOU.HW.W.0001.000000T0000Z-110118T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...FORT COLLINS...HEREFORD...LOVELAND...NUNN
1008 PM MST SUN JAN 16 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

* TIMING...STRONG WINDS WILL CONTINUE IN THE FOOTHILLS OF LARIMER
  AND BOULDER COUNTIES TONIGHT...THEN SPREAD INTO THE INTERSTATE
  25 CORRIDOR BY MONDAY MORNING. THE STRONGEST WINDS ARE EXPECTED
  TO BE MONDAY MORNING...WITH WINDS DECREASING MONDAY AFTERNOON.

* WINDS...NORTHWEST WINDS 30 TO 45 MPH WILL OCCUR WITH GUSTS TO 
  80 MPH. 

* IMPACTS...THE STRONGEST WINDS WILL OCCUR IN WIND PRONE AREAS 
  SUCH AS THE PEAK TO PEAK HIGHWAY...HIGHWAY 287 FROM FORT 
  COLLINS TO THE WYOMING BORDER...INTERSTATE 25 FROM FORT 
  COLLINS TO CHEYENNE...CARTER LAKE...LIVERMORE AND RED FEATHER 
  LAKES. HIGH PROFILE VEHICLES WILL BE EXTREMELY SUSCEPTIBLE TO 
  HIGH WINDS. LIGHTWEIGHT AND UNSECURED ITEMS...LIKE GARBAGE 
  CANS...SHOULD ALSO BE PROTECTED FROM BEING BLOWN AWAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GIMMESTAD
979 
WWUS75 KBOU 171053
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
353 AM MST MON JAN 17 2011

COZ035-038-171900-
/O.CON.KBOU.HW.W.0001.000000T0000Z-110118T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...FORT COLLINS...HEREFORD...LOVELAND...NUNN
353 AM MST MON JAN 17 2011

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

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

* TIMING...STRONG WINDS WILL CONTINUE IN AND NEAR THE FOOTHILLS OF
  LARIMER AND BOULDER COUNTIES AND ALONG THE WYOMING BORDER
  THROUGH LATE MORNING. THE WINDS ARE EXPECTED TO DECREASE BY
  AFTERNOON.

* WINDS...NORTHWEST WINDS 25 TO 40 MPH WILL OCCUR WITH GUSTS TO 75
  MPH AT TIMES.

* IMPACTS...THE STRONGEST WINDS WILL OCCUR IN WIND PRONE AREAS 
  SUCH AS THE PEAK TO PEAK HIGHWAY...HIGHWAY 287 FROM FORT 
  COLLINS TO THE WYOMING BORDER...INTERSTATE 25 FROM FORT 
  COLLINS TO CHEYENNE...CARTER LAKE...LIVERMORE AND RED FEATHER 
  LAKES. HIGH PROFILE VEHICLES WILL BE EXTREMELY SUSCEPTIBLE TO 
  HIGH WINDS. LIGHTWEIGHT AND UNSECURED ITEMS...LIKE GARBAGE 
  CANS... SHOULD ALSO BE PROTECTED FROM BEING BLOWN AWAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
552 
WWUS75 KBOU 171417
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
717 AM MST MON JAN 17 2011

COZ038-171530-
/O.CAN.KBOU.HW.W.0001.000000T0000Z-110118T0000Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN
717 AM MST MON JAN 17 2011

...HIGH WIND WARNING IS CANCELLED...

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

WEST TO NORTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS TO 50 MPH WILL
BE POSSIBLE NEAR THE FOOTHILLS AND ALONG THE WYOMING BORDER HOWEVER
THE THREAT OF HIGH WINDS HAS DECREASED.

$$

COZ035-172230-
/O.CON.KBOU.HW.W.0001.000000T0000Z-110118T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES
717 AM MST MON JAN 17 2011

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

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

* TIMING...STRONG WINDS WILL CONTINUE IN THE FOOTHILLS OF LARIMER
  AND BOULDER COUNTIES. THE WINDS ARE EXPECTED TO DECREASE BY
  AFTERNOON.

* WINDS...NORTHWEST WINDS 25 TO 40 MPH WILL OCCUR WITH GUSTS TO 70 MPH
  AT TIMES.

* IMPACTS...THE STRONGEST WINDS WILL OCCUR IN WIND PRONE AREAS
  SUCH AS THE PEAK TO PEAK HIGHWAY...CARTER LAKE AND RED FEATHER
  LAKES. HIGH PROFILE VEHICLES WILL BE EXTREMELY SUSCEPTIBLE TO
  HIGH WINDS. LIGHTWEIGHT AND UNSECURED ITEMS...LIKE GARBAGE
  CANS... SHOULD ALSO BE PROTECTED FROM BEING BLOWN AWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
223 
WWUS75 KBOU 171838
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1138 AM MST MON JAN 17 2011

COZ035-180000-
/O.CON.KBOU.HW.W.0001.000000T0000Z-110118T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES
1138 AM MST MON JAN 17 2011

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

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

* TIMING...STRONG WINDS WILL CONTINUE IN THE FOOTHILLS OF LARIMER
  AND BOULDER COUNTIES. THE WINDS ARE EXPECTED TO DECREASE LATE
  THIS AFTERNOON.

* WINDS...NORTHWEST WINDS 25 TO 40 MPH WILL OCCUR WITH GUSTS TO 
  70 MPH AT TIMES. 

* IMPACTS...THE STRONGEST WINDS WILL OCCUR IN WIND PRONE AREAS 
  SUCH AS THE PEAK TO PEAK HIGHWAY...CARTER LAKE AND RED FEATHER 
  LAKES. HIGH PROFILE VEHICLES WILL BE EXTREMELY SUSCEPTIBLE TO 
  HIGH WINDS. LIGHTWEIGHT AND UNSECURED ITEMS...LIKE GARBAGE 
  CANS... SHOULD ALSO BE PROTECTED FROM BEING BLOWN AWAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
LESZCYNSKI
299 
WWUS75 KBOU 172238
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
338 PM MST MON JAN 17 2011


COZ035-172345-
/O.CAN.KBOU.HW.W.0001.000000T0000Z-110118T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES
338 PM MST MON JAN 17 2011

...HIGH WIND WARNING IS CANCELLED...

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

THE WINDS HAVE DECREASED ACROSS THE FOOTHILLS OF BOULDER AND
LARIMER COUNTIES. GUSTS TO 50 MPH ARE STILL POSSIBLE EARLY THIS
EVENING. THE SPEEDS WILL STAY BELOW HIGH WIND CRITERIA.

$$
LESZCYNSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 3:50 AM MSTWinter Storm WarningBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more54 hr
Jan 16, 4:09 PM MSTWinter Weather AdvisoryBOUGrand, Jackson, Summit24 hr

Nearby

High Wind Warnings in Colorado, 2011Every high wind warning in 2011

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.