Alert archive / Wyoming / High Wind Warnings in 2012

High Wind Warning 31, NWS Cheyenne, WY

October 22, 20124 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Oct 22, 2012, 10:37 AM MDT for 4 counties in Wyoming. It took effect at Oct 22, 2012, 9:00 PM MDT. It was in force for 12 hr. 4 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
Oct 22, 2012, 10:37 AM MDT (16:37 UTC)
In effect from
Oct 22, 2012, 9:00 PM MDT
Expired
Oct 23, 2012, 8:47 AM MDT
In force
12 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 16:42 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
Oct 23, 12:10 AM MDTNON-TSTM WND GST 573 Nw Arlington, WYREPORTED AT WYDOT STATION WY22
Oct 23, 2:10 AM MDTNON-TSTM WND GST 547 Ese Arlington, WYREPORTED AT WYDOT STATION WY24
Oct 23, 6:10 AM MDTNON-TSTM WND GST 6110 Ssw Hanna, WYREPORTED AT WYDOT STATION WY16
Oct 23, 6:45 AM MDTNON-TSTM WND GST 637 Nw Elk Mountain, WYREPORTED AT WYDOT STATION WY18

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, 4.6 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 2012-10-22Temperature 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 2012-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
863 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
208 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.

516 
WWUS75 KCYS 221637
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1037 AM MDT MON OCT 22 2012

...STRONG WINDS LIKELY NEAR ARLINGTON AND BORDEAUX TONIGHT...

.STRONG WINDS ARE LIKELY OVER THE FAVORED WIND PRONE AREAS NEAR
ARLINGTON AND ACROSS SOUTHWEST PLATTE COUNTY NEAR BORDEAUX LATE
THIS EVENING AND TONIGHT AS A TIGHT PRESSURE GRADIENT COMBINES
WITH A PASSING AREA OF STRONG WINDS ABOVE THE SURFACE. THESE WINDS
ARE EXPECTED TO EASE TUESDAY MORNING.

WYZ106-110-230445-
/O.UPG.KCYS.HW.A.0023.121023T0300Z-121023T1500Z/
/O.NEW.KCYS.HW.W.0031.121023T0300Z-121023T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
1037 AM MDT MON OCT 22 2012

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT
TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...9 PM THIS EVENING THROUGH 9 AM TUESDAY.

* WINDS...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 65 MPH
  POSSIBLE.

* IMPACTS...THE STRONG WINDS WILL MAKE TRAVEL HAZARDOUS AT
  TIMES...ESPECIALLY ALONG INTERSTATE 80 NEAR ARLINGTON AND ALONG
  INTERSTATE 25 BETWEEN WHEATLAND AND CHUGWATER. MOTORISTS
  PLANNING TRAVEL THROUGH THIS AREA SHOULD BE PREPARED TO
  ENCOUNTER STRONG AND SUDDEN WIND GUSTS.

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.

&&

$$
4 follow-up statements
586 
WWUS75 KCYS 222000
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
200 PM MDT MON OCT 22 2012

...STRONG WINDS LIKELY NEAR BORDEAUX AND CARBON COUNTY TONIGHT
INTO TUESDAY...

.STRONG WINDS ARE LIKELY OVER THE FAVORED WIND PRONE AREAS NEAR
ARLINGTON AND ACROSS SOUTHWEST PLATTE COUNTY NEAR BORDEAUX BY MID
EVENING TONIGHT AS A TIGHT PRESSURE GRADIENT COMBINES WITH A
PASSING AREA OF STRONG WINDS ABOVE THE SURFACE. THESE VERY STRONG
WINDS ARE EXPECTED TO EVENTUALLY OCCUR AT RAWLINS AND SINCLAIR
TOWARDS MORNING TUESDAY. THESE WINDS ARE EXPECTED TO EASE BY NOON
TUESDAY. 

WYZ104-105-109-231200-
/O.EXA.KCYS.HW.W.0031.121023T0300Z-121023T1500Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA
200 PM MDT MON OCT 22 2012

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT
TUESDAY. 

* TIMING...9 PM THIS EVENING THROUGH NOON TUESDAY. STRONGEST WINDS
  ARE EXPECTED TO OCCUR AFTER 5 AM TUESDAY...PERSISTING TO LATE
  MORNING. 

* WINDS...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 65 MPH 
  POSSIBLE. 

* IMPACTS...THE STRONG WINDS WILL MAKE TRAVEL HAZARDOUS AT 
  TIMES...ESPECIALLY ALONG INTERSTATE 80 NEAR ARLINGTON AND 
  ALONG INTERSTATE 25 BETWEEN WHEATLAND AND CHUGWATER. MOTORISTS 
  PLANNING TRAVEL THROUGH THIS AREA SHOULD BE PREPARED TO 
  ENCOUNTER STRONG AND SUDDEN WIND GUSTS. 

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.

&&

$$

WYZ106-110-231200-
/O.CON.KCYS.HW.W.0031.121023T0300Z-121023T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
200 PM MDT MON OCT 22 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
NOON TUESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
NOON TUESDAY.

* TIMING...9 PM THIS EVENING THROUGH NOON TUESDAY.

* WINDS...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 65 MPH 
  POSSIBLE. 

* IMPACTS...THE STRONG WINDS WILL MAKE TRAVEL HAZARDOUS AT 
  TIMES...ESPECIALLY ALONG INTERSTATE 80 NEAR ARLINGTON AND 
  ALONG INTERSTATE 25 BETWEEN WHEATLAND AND CHUGWATER. MOTORISTS 
  PLANNING TRAVEL THROUGH THIS AREA SHOULD BE PREPARED TO 
  ENCOUNTER STRONG AND SUDDEN WIND GUSTS. 

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.

&&

$$
489 
WWUS75 KCYS 230930
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
330 AM MDT TUE OCT 23 2012

...STRONG SOUTHWEST WINDS WILL CONTINUE ALONG AND WEST OF THE
LARAMIE RANGE THROUGH THE MORNING...

.STRONG WINDS WILL CONTINUE OVER THE FAVORED WIND PRONE AREAS
NEAR ARLINGTON AND ACROSS SOUTHWEST PLATTE COUNTY NEAR BORDEAUX
THROUGH THE MORNING AS A TIGHT SURFACE PRESSURE GRADIENT EXISTS
OVER SOUTHEAST WYOMING. THE WINDSPEEDS ARE EXPECTED TO DECREASE BY
MIDDAY AS THE PRESSURE GRADIENT WEAKENS...HOWEVER BREEZY-TO-WINDY
CONDITIONS WILL PERSIST THROUGH THE AFTERNOON.

WYZ104>106-109-110-231500-
/O.CON.KCYS.HW.W.0031.000000T0000Z-121023T1500Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX...
RAWLINS...SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN
330 AM MDT TUE OCT 23 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING. 

* TIMING...THROUGH 9 AM THIS MORNING.

* WINDS...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH
  POSSIBLE.

* IMPACTS...THE STRONG WINDS WILL MAKE TRAVEL HAZARDOUS AT 
  TIMES...ESPECIALLY ALONG INTERSTATE 80 NEAR ARLINGTON AND 
  ALONG INTERSTATE 25 BETWEEN WHEATLAND AND CHUGWATER. MOTORISTS 
  PLANNING TRAVEL THROUGH THIS AREA SHOULD BE PREPARED TO 
  ENCOUNTER STRONG AND SUDDEN WIND GUSTS. 

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.

&&

$$

FINCH
502 
WWUS75 KCYS 231223
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
623 AM MDT TUE OCT 23 2012

...STRONG SOUTHWEST WINDS WILL CONTINUE IN THE WIND PRONE AREAS OF
SOUTHEAST WYOMING THROUGH THE MORNING...

.STRONG WINDS WILL CONTINUE OVER THE FAVORED WIND PRONE AREAS
NEAR ARLINGTON AND BORDEAUX THROUGH THE MORNING AS A TIGHT
SURFACE PRESSURE GRADIENT EXISTS OVER SOUTHEAST WYOMING. THE
WINDSPEEDS ARE EXPECTED TO DECREASE BY MIDDAY AS THE PRESSURE
GRADIENT WEAKENS...HOWEVER BREEZY-TO-WINDY CONDITIONS WILL
PERSIST THROUGH THE AFTERNOON.

WYZ104-105-109-231330-
/O.CAN.KCYS.HW.W.0031.000000T0000Z-121023T1500Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA
623 AM MDT TUE OCT 23 2012

...HIGH WIND WARNING IS CANCELLED...

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

WIND GUSTS HAVE GENERALLY REMAINED BELOW 40 MPH OVER THE PAST FEW
HOURS ACROSS NORTHWESTERN CARBON COUNTY. IT IS NOW
UNLIKELY THAT THESE AREAS WILL REACH HIGH WIND CRITERIA.

$$

WYZ106-110-231500-
/O.CON.KCYS.HW.W.0031.000000T0000Z-121023T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
623 AM MDT TUE OCT 23 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING. 

* TIMING...THROUGH 9 AM THIS MORNING.

* WINDS...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH 
  POSSIBLE. 

* IMPACTS...THE STRONG WINDS WILL MAKE TRAVEL HAZARDOUS AT 
  TIMES...ESPECIALLY ALONG INTERSTATE 80 NEAR ARLINGTON AND 
  ALONG INTERSTATE 25 BETWEEN WHEATLAND AND CHUGWATER. MOTORISTS 
  PLANNING TRAVEL THROUGH THIS AREA SHOULD BE PREPARED TO 
  ENCOUNTER STRONG AND SUDDEN WIND GUSTS. 

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.

&&

$$

FINCH
435 
WWUS75 KCYS 231447
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
847 AM MDT TUE OCT 23 2012

...HIGH WIND WARNING CANCELLED...

WYZ106-110-231600-
/O.CAN.KCYS.HW.W.0031.000000T0000Z-121023T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
847 AM MDT TUE OCT 23 2012

...HIGH WIND WARNING IS CANCELLED...

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

WINDS REMAIN LOW THIS MORNING AROUND BORDEAUX AND ARLINGTON. THERE
MAY BE A BRIEF TIME FRAME WHERE WINDS WILL GUST TO 50 MPH AROUND
THE 10 TO 11 AM TIME FRAME...BUT WARNING LEVEL WINDS ARE NO LONGER
EXPECTED. THUS THE HIGH WIND WARNING IS CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 3:24 AM MDTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte7 hr

Nearby

High Wind Warnings in Wyoming, 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.