Alert archive / Colorado / High Wind Warnings in 2016

High Wind Warning 6, NWS Denver/Boulder, CO

December 5, 20164 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Dec 5, 2016, 3:17 PM MST for 4 counties in Colorado. It was in force for 3 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
Dec 5, 2016, 3:17 PM MST (22:17 UTC)
Expired
Dec 5, 2016, 6:00 PM MST
In force
3 hr
Issued by
NWS Denver/Boulder, CO

Counties Logan County, CO, Morgan County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 102 km from the middle of the area, began a volume at 22:22 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
Dec 5, 3:23 PM MSTNON-TSTM WND GST 521 N Akron, COASOS STATION AKRON-WASHINGTON COUNTY AIRPORT /AKO/.
Dec 5, 3:44 PM MSTNON-TSTM WND GST 604 Ne Garden City, COAWOS STATION GREELEY-WELD COUNTY AIRPORT /GXY/.

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, 10.3 hours before the alert went out and 66 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 2016-12-05Temperature 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 12:00Z on 2016-12-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
2753 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

350 
WWUS75 KBOU 052217
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
317 PM MST MON DEC 5 2016

COZ042>044-048-049-060100-
/O.NEW.KBOU.HW.W.0006.161205T2217Z-161206T0100Z/
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-
INCLUDING THE CITIES OF BRIGGSDALE, GROVER, PAWNEE BUTTES, 
RAYMER, STONEHAM, EATON, FORT LUPTON, GREELEY, ROGGEN, BRUSH, 
FORT MORGAN, GOODRICH, WIGGINS, CROOK, MERINO, STERLING, PEETZ, 
AKRON, COPE, LAST CHANCE, AND OTIS
317 PM MST MON DEC 5 2016

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING, WHICH IS IN EFFECT UNTIL 6 PM MST THIS EVENING. 

* TIMING...STRONG NORTHERLY WINDS EXPECTED TO CONTINUE THROUGH 6 
  PM MST.

* WINDS...GUSTS TO 65 MPH.

* IMPACTS...STRONG GUSTY WINDS WILL CREATE DIFFICULT TRAVEL
  CONDITIONS FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$
1 follow-up statement
391 
WWUS75 KBOU 060058
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
558 PM MST MON DEC 5 2016



COZ042>044-048-049-060200-
/O.EXP.KBOU.HW.W.0006.000000T0000Z-161206T0100Z/
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-
558 PM MST MON DEC 5 2016

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MST THIS EVENING...

WIND GUSTS HAVE DROPPED BELOW WARNING CRITERIA THEREFORE THE HIGH
WIND WARNING WILL BE ALLOWED TO EXPIRE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 5, 2:07 AM MSTHigh Wind WarningBOUBoulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more7 hr
Dec 5, 2:48 PM MSTWinter Storm WatchBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more14 hr
Dec 5, 2:48 PM MSTWinter Weather AdvisoryBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more44 hr

Nearby

High Wind Warnings in Colorado, 2016Every high wind warning in 2016

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.