Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 7, NWS Cheyenne, WY

January 21, 20114 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 21, 2011, 1:43 PM MST for 4 counties in Wyoming. It took effect at Jan 21, 2011, 7:00 PM MST. It was in force for 13 hr. 17 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 21, 2011, 1:43 PM MST (20:43 UTC)
In effect from
Jan 21, 2011, 7:00 PM MST
Expired
Jan 22, 2011, 8:00 AM MST
In force
13 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 20:41 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 21, 10:16 PM MSTHIGH SUST WINDS 42Arlington, WYARLINGTON HIGHWAY SENSOR. ELEV. 7763 FEET. LAST OF SEVERAL REPORTS OF SUSTAINED WSW WINDS OF 40 TO 43 MPH BETWEEN 951 PM MST AND 1016 PM MST.
Jan 21, 11:15 PM MSTNON-TSTM WND GST 63Bordeaux, WYBORDEAUX HIGHWAY SENSOR. ELEV. 4698 FEET. HIGHEST WIND GUST. SUSTAINED WIND OF 50 MPH AT TIME OF GUST. WINDS FROM THE SOUTHWEST.
Jan 21, 11:17 PM MSTHIGH SUST WINDS 40Vedauwoo, WYVEDAUWOO HIGHWAY SENSOR. ELEV. 8399 FEET. LAST OF SEVERAL REPORTS OF 40 MPH SUSTAINED SOUTHWEST WINDS SINCE 1002 PM MST.
Jan 21, 11:56 PM MSTNON-TSTM WND GST 58Arlington, WYARLINGTON HIGHWAY SENSOR. ELEV. 7763 FEET. HIGHEST GUST REPORTED SINCE 1016 PM MST. SUSTAINED WINDS AT TIME OF GUST WERE 43 MPH FROM THE WSW. SEVERAL ADDITIONAL SUSTAINED WIND REPORTS IN EXCESS OF 40 MPH BETWEEN 1131 PM MST AND 131 AM MST...WITH MOST GUSTS DUR
Jan 22, 12:10 AM MSTNON-TSTM WND GST 635 Se Buford, WYTHIS GUST WAS SHORTLY AFTER MIDNIGHT.
Jan 22, 1:10 AM MSTNON-TSTM WND GST 66Bordeaux, WYBORDEAUX HIGHWAY SENSOR. ELEV. 4698 FEET. HIGHEST WIND GUST SINCE 1115 PM MST. SEVERAL GUSTS REPORTED IN EXCESS OF 60 MPH BETWEEN 1115 PM MST AND 120 AM MST. HIGHEST SUSTAINED WIND WAS 51 MPH FROM THE SW AT 100 AM MST.
Jan 22, 1:32 AM MSTNON-TSTM WND GST 7112 Sse Horse Creek, WYSPOTTER REPORTED A PEAK WIND GUST OF 71 MPH JUST AFTER MIDNIGHT LAST NIGHT
Jan 22, 1:39 AM MSTNON-TSTM WND GST 7518 Wnw Cheyenne, WY
Jan 22, 2:48 AM MSTNON-TSTM WND GST 5910 Nw Cheyenne, WY
Jan 22, 2:55 AM MSTNON-TSTM WND GST 75Bordeaux, WYBORDEAUX HIGHWAY SENSOR. ELEV. 4698 FEET. HIGHEST GUST BETWEEN 120 AM MST AND 435 AM MST. SUSTAINED WIND AT TIME OF GUST WAS HIGHEST OBSERVED OVERNIGHT AT 58 MPH. NUMEROUS GUSTS DURING THE PERIOD RANGED FROM 58 TO 75 MPH.
Jan 22, 3:26 AM MSTNON-TSTM WND GST 59Arlington, WYARLINGTON HIGHWAY SENSOR. ELEV. 7763 FEET. HIGHEST GUST REPORTED BETWEEN 1156 PM MST AND 441 AM MST. NUMEROUS OTHER GUSTS GREATER THAN 50 MPH. SUSTAINED WINDS DURING THE PERIOD RANGED FROM 32 TO 42 MPH.
Jan 22, 4:00 AM MSTTSTM WND GST 594 Wnw Warren Af Base, WYPOLO RANCH SITE 7W OF CHEYENNE. ELEV. 6200 FEET. STRONGEST WIND GUSTS REPORTED OVERNIGHT. SUSTAINED WIND FROM THE WEST AT TIME OF GUST WAS 47 MPH.
Jan 22, 4:00 AM MSTNON-TSTM WND GST 594 Wnw Warren Af Base, WYPOLO RANCH SITE 7W OF CHEYENNE. ELEV. 6200 FEET. STRONGEST WIND GUSTS REPORTED OVERNIGHT. SUSTAINED WIND FROM THE WEST AT TIME OF GUST WAS 47 MPH.
Jan 22, 4:10 AM MSTHIGH SUST WINDS 48Whitaker, WYWHITAKER HIGHWAY SENSOR. ELEV. 6201 FEET. HIGHEST SUSTAINED WIND REPORT. SUSTAINED WINDS GREATER THAN 40 MPH OBSERVED FREQUENTLY BETWEEN 300 AM MST AND 415 AM MST...WITH GUSTS OF 53 TO 57 MPH DURING THIS PERIOD.
Jan 22, 4:31 AM MSTNON-TSTM WND GST 624 Ssw I-25 Exit 7, WYWYO HILL HIGHWAY SENSOR. ELEV. 6430 FEET. STRONGEST GUST OVERNIGHT. SUSTAINED WINDS ALSO REPORTED NUMEROUS TIMES GREATER THAN 40 MPH BETWEEN 406 AM MST AND 441 AM MST.
Jan 22, 4:52 AM MSTNON-TSTM WND GST 58Cheyenne, WYCHEYENNE ASOS PEAK WIND REPORTED GUST.
Jan 22, 7:10 AM MSTNON-TSTM WND GST 635 Se Buford, WYTHIS GUST WAS SHORTLY AFTER MIDNIGHT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 8.7 hours before the alert went out and 278 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, Riverton, WY at 12:00Z on 2011-01-21Temperature 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, Riverton, WY at 12:00Z on 2011-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 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
2147 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
128 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.

856 
WWUS75 KCYS 212043
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
143 PM MST FRI JAN 21 2011

...STRONG WINDS WILL RETURN TO AREAS ALONG AND WEST OF THE
LARAMIE RANGE THIS EVENING AND CONTINUE INTO MID MORNING
SATURDAY...

.WINDS IN THE UPPER ATMOSPHERE WILL ONCE AGAIN INCREASE OVER
SOUTHEAST WYOMING THIS EVENING AND REMAIN STRONG THROUGH MID
MORNING SATURDAY. AT THE SAME TIME...THERE WILL BE A LARGE
DIFFERENCE IN PRESSURE AT THE SURFACE OVER THE AREA. THOSE
FACTORS WILL PRODUCE HIGH WINDS IN AREAS ALONG AND WEST OF THE
LARAMIE RANGE THIS EVENING AND CONTINUING INTO MID MORNING
SATURDAY.

WYZ104>106-110-116-117-220600-
/O.UPG.KCYS.HW.A.0007.110122T0200Z-110122T1500Z/
/O.NEW.KCYS.HW.W.0007.110122T0200Z-110122T1500Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX...
ARLINGTON...ELK MOUNTAIN...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
143 PM MST FRI JAN 21 2011

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 8 AM MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 8 AM MST
SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...FROM 7 PM THIS EVENING THROUGH 8 AM SATURDAY MORNING.

* WINDS...WESTERLY SUSTAINED AT 35 TO 45 MPH WITH GUSTS UP TO 65 
  MPH.

* IMPACTS...THE POSSIBLE HIGH WINDS WILL PRODUCE HAZARDOUS 
  TRAVEL FOR THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES. 
  ALSO...THE WINDS WILL CREATE BLOWING AND DRIFTING SNOW...
  REDUCING THE VISIBILITY AND CAUSING SLICK ROADS. 

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. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WEILAND
4 follow-up statements
154 
WWUS75 KCYS 220345
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
845 PM MST FRI JAN 21 2011

...STRONG WINDS WILL RETURN TO AREAS ALONG AND WEST OF THE
LARAMIE RANGE LATER THIS EVENING AND CONTINUE THROUGH MID 
MORNING SATURDAY...

.WINDS IN THE UPPER ATMOSPHERE WILL ONCE AGAIN INCREASE OVER
SOUTHEAST WYOMING LATER THIS EVENING AND REMAIN STRONG THROUGH 
MID MORNING SATURDAY. AT THE SAME TIME...THERE WILL BE A LARGE
SURFACE PRESSURE GRADIENT IN PLACE OVER THE AREA. AS A RESULT...
STRONG WESTERLY WINDS WILL DEVELOP IN AREAS ALONG AND WEST OF THE
LARAMIE RANGE LATER THIS EVENING AND CONTINUE INTO MID MORNING
SATURDAY.

WYZ104>106-110-116-117-221500-
/O.CON.KCYS.HW.W.0007.000000T0000Z-110122T1500Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX...
ARLINGTON...ELK MOUNTAIN...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
845 PM MST FRI JAN 21 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST SATURDAY. 

* TIMING...THROUGH 8 AM SATURDAY MORNING.

* WINDS...WESTERLY SUSTAINED AT 35 TO 45 MPH WITH GUSTS UP TO 65 
  MPH. 

* IMPACTS...THE STRONG WINDS WILL PRODUCE HAZARDOUS TRAVEL FOR
  THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES. AREAS OF
  BLOWING AND DRIFTING SNOW WILL REDUCE VISIBILITIES TO LESS THAN
  A MILE AT TIMES AND CAUSE SLICK ROADS.

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. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

JAMSKI
228 
WWUS75 KCYS 221056
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
356 AM MST SAT JAN 22 2011

...STRONG WINDS WILL CONTINUE THROUGH MID MORNING...

.WINDS ALOFT COMBINED WITH A STRONG SURFACE PRESSURE GRADIENT
WILL ONCE AGAIN RESULT IN STRONG WESTERLY WINDS IN AREAS ALONG AND
WEST OF THE LARAMIE RANGE THROUGH THIS MORNING.

WYZ104>106-110-116-117-221500-
/O.CON.KCYS.HW.W.0007.000000T0000Z-110122T1500Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX...
ARLINGTON...ELK MOUNTAIN...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
356 AM MST SAT JAN 22 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING. 

* WINDS...WEST TO SOUTHWEST SUSTAINED AT 35 TO 45 MPH WITH GUSTS UP
  TO 65 MPH.

* IMPACTS...THE STRONG WINDS WILL PRODUCE HAZARDOUS TRAVEL FOR 
  THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES. AREAS OF 
  BLOWING AND DRIFTING SNOW WILL REDUCE VISIBILITIES TO LESS 
  THAN A MILE AT TIMES AND CAUSE SLICK ROADS. 

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. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

TT
124 
WWUS75 KCYS 221247
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
547 AM MST SAT JAN 22 2011

...STRONG WINDS WILL CONTINUE THROUGH MID MORNING...

.WINDS ALOFT COMBINED WITH A STRONG SURFACE PRESSURE GRADIENT
WILL ONCE AGAIN RESULT IN STRONG WESTERLY WINDS IN AREAS ALONG
AND WEST OF THE LARAMIE RANGE THROUGH THIS MORNING.

WYZ118-221500-
/O.EXA.KCYS.HW.W.0007.000000T0000Z-110122T1500Z/
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITY OF...CHEYENNE
547 AM MST SAT JAN 22 2011

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 AM MST THIS MORNING. 

* TIMING...STRONG WINDS WILL CONTINUE EARLY THIS MORNING. WINDS
  ARE EXPECTED TO BRIEFLY DIMINISH LATER THIS MORNING BEFORE
  INCREASING ONCE AGAIN BY THIS AFTERNOON.

* WINDS...WEST TO SOUTHWEST SUSTAINED AT 35 TO 45 MPH WITH GUSTS 
  UP TO 65 MPH EXPECTED EARLY THIS MORNING. 

* IMPACTS...THE STRONG WINDS WILL PRODUCE HAZARDOUS TRAVEL FOR 
  THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES. AREAS OF 
  BLOWING AND DRIFTING SNOW WILL REDUCE VISIBILITIES TO LESS 
  THAN A MILE AT TIMES AND CAUSE SLICK ROADS. 

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. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ104>106-110-116-117-221500-
/O.CON.KCYS.HW.W.0007.000000T0000Z-110122T1500Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX...
ARLINGTON...ELK MOUNTAIN...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
547 AM MST SAT JAN 22 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING. 

* WINDS...WEST TO SOUTHWEST SUSTAINED AT 35 TO 45 MPH WITH GUSTS 
  UP TO 65 MPH. 

* IMPACTS...THE STRONG WINDS WILL PRODUCE HAZARDOUS TRAVEL FOR 
  THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES. AREAS OF 
  BLOWING AND DRIFTING SNOW WILL REDUCE VISIBILITIES TO LESS 
  THAN A MILE AT TIMES AND CAUSE SLICK ROADS. 

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. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

TT
039 
WWUS75 KCYS 221454
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
754 AM MST SAT JAN 22 2011

WYZ104>106-110-116>118-221600-
/O.EXP.KCYS.HW.W.0007.000000T0000Z-110122T1500Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX...
ARLINGTON...ELK MOUNTAIN...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE
754 AM MST SAT JAN 22 2011

...HIGH WIND WARNING WILL EXPIRE AT 8 AM MST THIS MORNING...

THE HIGH WIND WARNING WILL EXPIRE AT 8 AM MST THIS MORNING. 

WINDS HAVE DECREASED ACROSS SOUTHEAST WYOMING EARLY THIS
MORNING. THEREFORE THE HIGH WIND WARNING WILL BE ALLOWED TO
EXPIRE AT 8 AM. SOME LOCAL GUSTS IN EXCESS OF 40 MPH WILL STILL
TO BE POSSIBLE THROUGH THE REST OF THE DAY...ESPECIALLY IN WIND
FAVORED AREAS.

$$

HAHN

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 21, 3:36 AM MSTWinter Storm WatchCYSAlbany, Carbon10 hr
Jan 21, 9:45 AM MSTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte4 hr
Jan 21, 2:05 PM MSTWinter Storm WarningCYSAlbany, Carbon33 hr

Nearby

High Wind Warnings in Wyoming, 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.