Alert archive / Wyoming / High Wind Warnings in 2012

High Wind Warning 7, NWS Riverton, WY

January 24, 2012Park County, Wyoming

NWS Riverton, WY issued this high wind warning at Jan 24, 2012, 1:48 PM MST for Park County, Wyoming. It took effect at Jan 24, 2012, 5:00 PM MST. It was in force for 21 hr. 5 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 24, 2012, 1:48 PM MST (20:48 UTC)
In effect from
Jan 24, 2012, 5:00 PM MST
Expired
Jan 25, 2012, 2:00 PM MST
In force
21 hr
Issued by
NWS Riverton, WY

County Park County, WY

The radar

The Billings radar (KBLX), 167 km from the middle of the area, began a volume at 20:48 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 25, 7:15 AM MSTNON-TSTM WND GST 761 Nne State Hwy 120 Mil, WY
Jan 25, 9:00 AM MSTNON-TSTM WND GST 72Ne Dead Indian Pass, WY
Jan 25, 9:13 AM MSTNON-TSTM WND GST 955 Wnw Clark, WY
Jan 25, 11:54 AM MSTNON-TSTM WND GST 861 Wnw Clark, WY
Jan 25, 1:56 PM MSTNON-TSTM WND GST 792 W Cody, WY

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, 8.8 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, Riverton, WY at 12:00Z on 2012-01-24Temperature 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 2012-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -126 square meters per square second.193958Sfc1 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
989 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-126 m²/s²
0-3 km storm-relative helicity
-41 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.

397 
WWUS75 KRIW 242048
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
148 PM MST TUE JAN 24 2012

...VERY STRONG WINDS EXPECTED IN THE CODY FOOTHILLS TONIGHT
AND WEDNESDAY MORNING...

.AN INCREASING SURFACE PRESSURE GRADIENT WILL COMBINE WITH AN
APPROACHING UPPER LEVEL JET STREAM TO PRODUCE VERY STRONG TO
DAMAGING WINDS ACROSS THE CODY FOOTHILLS TONIGHT INTO WEDNESDAY
MORNING.

WYZ003-251000-
/O.UPG.KRIW.HW.A.0006.120125T0000Z-120125T1800Z/
/O.NEW.KRIW.HW.W.0007.120125T0000Z-120125T2100Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
148 PM MST TUE JAN 24 2012

...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 PM
MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 PM MST
WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...WINDS WILL INCREASE RAPIDLY THIS EVENING
  ALONG THE FOOTHILLS. THE HIGH WINDS WILL INITIALLY BE CONFINED
  TO AREAS ALONG THE FOOTHILLS AND CLARK AREA BUT HIGH WINDS WILL
  LIKELY SPREAD THROUGHOUT MORE OF THE AREA LATER TONIGHT INTO
  WEDNESDAY.

* WIND...WEST 30 TO 40 MPH WITH GUSTS OVER 60 MPH. WINDS COULD
  GUST OVER 80 TO 90 MPH AROUND AND JUST SOUTH OF CLARK.

* IMPACTS...TRAVELLERS ON HIGHWAY 120 FROM JUST SOUTH OF CODY
  THROUGH CLARK SHOULD BE ALERT FOR GUSTY AND ERRATIC CROSSWINDS
  TONIGHT THROUGH WEDNESDAY AFTERNOON.

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. 

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

SKRBAC
4 follow-up statements
889 
WWUS75 KRIW 250025
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
525 PM MST TUE JAN 24 2012

...VERY STRONG WINDS EXPECTED IN THE CODY FOOTHILLS TONIGHT AND
WEDNESDAY MORNING...

.AN INCREASING SURFACE PRESSURE GRADIENT WILL COMBINE WITH AN
APPROACHING UPPER LEVEL JET STREAM TO PRODUCE VERY STRONG TO
DAMAGING WINDS ACROSS THE CODY FOOTHILLS TONIGHT INTO WEDNESDAY
MORNING.

WYZ003-251230-
/O.CON.KRIW.HW.W.0007.000000T0000Z-120125T2100Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
525 PM MST TUE JAN 24 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST WEDNESDAY. 

* SUMMARY AND TIMING...WINDS WILL INCREASE RAPIDLY THIS EVENING
  ALONG THE FOOTHILLS. THE HIGH WINDS WILL INITIALLY BE CONFINED
  TO AREAS ALONG THE FOOTHILLS AND THE CLARK AREA BUT HIGH WINDS
  WILL LIKELY SPREAD THROUGHOUT MORE OF THE AREA LATE TONIGHT
  INTO WEDNESDAY.

* WIND...WEST 30 TO 40 MPH WITH GUSTS OVER 60 MPH. WINDS COULD 
  GUST OVER 80 TO 90 MPH AROUND AND JUST SOUTH OF CLARK. 

* IMPACTS...TRAVELERS ON HIGHWAY 120 FROM JUST SOUTH OF CODY 
  THROUGH CLARK SHOULD BE ALERT FOR GUSTY AND ERRATIC CROSSWINDS 
  TONIGHT THROUGH WEDNESDAY AFTERNOON. 

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.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

21
750 
WWUS75 KRIW 250946
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
246 AM MST WED JAN 25 2012

...VERY STRONG WINDS EXPECTED IN THE CODY FOOTHILLS THROUGH EARLY
AFTERNOON...

.AN INCREASING SURFACE PRESSURE GRADIENT WILL COMBINE WITH A
STRONG JET STREAM TO PRODUCE VERY STRONG TO DAMAGING WINDS ACROSS
THE CODY FOOTHILLS TODAY.

WYZ003-252100-
/O.CON.KRIW.HW.W.0007.000000T0000Z-120125T2100Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
246 AM MST WED JAN 25 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON. 

* SUMMARY AND TIMING...WINDS HAVE INCREASED ACROSS THE AREA. A
  GUST OF 60 MPH WAS RECORDED AS A SENSOR WEST OF CODY AND A GUST
  OF 58 MPH WAS RECORDED AT THE FIRE STATION IN CLARK. HIGH WIND
  REMAINS POSSIBLE INTO THE EARLY AFTERNOON HOURS.

* WIND...WEST 30 TO 40 MPH WITH GUSTS OVER 60 MPH. WINDS COULD 
  GUST OVER 80 TO 90 MPH AROUND AND JUST SOUTH OF CLARK. 

* IMPACTS...TRAVELERS ON HIGHWAY 120 FROM JUST SOUTH OF CODY
  THROUGH CLARK SHOULD BE ALERT FOR GUSTY AND ERRATIC CROSSWINDS
  TONIGHT THROUGH EARLY AFTERNOON.

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.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$
387 
WWUS75 KRIW 251340
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
640 AM MST WED JAN 25 2012

...VERY STRONG WINDS EXPECTED IN THE CODY FOOTHILLS THROUGH EARLY
AFTERNOON...

.AN INCREASING SURFACE PRESSURE GRADIENT WILL COMBINE WITH A
STRONG JET STREAM TO PRODUCE VERY STRONG TO DAMAGING WINDS ACROSS
THE CODY FOOTHILLS TODAY.

WYZ003-252100-
/O.CON.KRIW.HW.W.0007.000000T0000Z-120125T2100Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
640 AM MST WED JAN 25 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON. 

* SUMMARY AND TIMING...STRONG WIND GUSTS CONTINUE ALONG THE CODY
  FOOTHILLS. WIND GUSTS OVER 70 MPH HAVE NOW OCCURRED AROUND CLARK
  AND SOUTH OF CLARK. WIND GUSTS TO 68 MPH HAVE OCCURRED AT A
  SENSOR WEST OF CODY. HIGH WIND SPEEDS WILL CONTINUE UNTIL EARLY
  AFTERNOON.

* WIND...WEST 35 TO 45 MPH WITH GUSTS OVER 60 MPH. WINDS COULD
  GUST AS HIGH AS 90 MPH AROUND CLARK AND JUST SOUTH OF CLARK.

* IMPACTS...TRAVELERS ON HIGHWAY 120 FROM JUST SOUTH OF CODY
  THROUGH CLARK SHOULD BE ALERT FOR GUSTY AND ERRATIC CROSSWINDS
  THROUGH EARLY AFTERNOON.

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.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$
478 
WWUS75 KRIW 252103
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
203 PM MST WED JAN 25 2012

WYZ003-252215-
/O.EXP.KRIW.HW.W.0007.000000T0000Z-120125T2100Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
203 PM MST WED JAN 25 2012

...HIGH WIND WARNING WILL EXPIRE AT 2 PM MST THIS AFTERNOON...

THE HIGH WIND WARNING WILL EXPIRE AT 2 PM MST THIS AFTERNOON. 

WIND ACROSS THE WARNED AREA HAS SUBSIDED THIS AFTERNOON. WIND OF
30 MPH WITH GUSTS TO AROUND 50 MPH WILL REMAIN POSSIBLE ACROSS THE
CODY FOOTHILLS THROUGH THE EARLY EVENING HOURS. LOCALIZED GUSTS OF
55 TO 60 MPH WILL REMAIN POSSIBLE AROUND THE CLARK AREA
TODAY...BUT WIDESPREAD HIGH WIND IS NO LONGER EXPECTED.
THEREFORE...THE HIGH WIND WARNING HAS BEEN ALLOWED TO EXPIRE.

$$

BRANHAM

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 24, 9:51 AM MSTHigh Wind WatchRIWPark4 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.