Alert archive / Wyoming / High Wind Warnings in 2012

High Wind Warning 27, NWS Riverton, WY

October 19, 2012Fremont County, Hot Springs County, Park County, Wyoming

NWS Riverton, WY issued this high wind warning at Oct 19, 2012, 1:32 PM MDT for Fremont County, Hot Springs County, Park County, Wyoming. It took effect at Oct 19, 2012, 9:00 PM MDT. It was in force for 13 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 19, 2012, 1:32 PM MDT (19:32 UTC)
In effect from
Oct 19, 2012, 9:00 PM MDT
Expired
Oct 20, 2012, 9:31 AM MDT
In force
13 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Hot Springs County, WY, Park County, WY

The radar

The Riverton/Lander radar (KRIW), 84 km from the middle of the area, began a volume at 19:38 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.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 7.5 hours before the alert went out and 86 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 2012-10-19Temperature 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 2012-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.19395878Sfc1 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
2452 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
153 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.

352 
WWUS75 KRIW 191932
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
132 PM MDT FRI OCT 19 2012

...STRONG WIND EXPECTED TONIGHT ACROSS THE ABSAROKA MOUNTAINS AND
ADJACENT CODY FOOTHILLS...

.CONDITIONS WILL BE FAVORABLE FOR VERY STRONG WIND DEVELOPMENT
THIS EVENING... MAINLY NORTH OF CODY ALONG THE FOOTHILLS OF THE
ABSAROKA MOUNTAINS. STRONG WIND MAY IMPACT THE AREA OF CLARK
OVERNIGHT AND INTO TOMORROW.

WYZ002-003-200345-
/O.UPG.KRIW.HW.A.0026.121020T0300Z-121020T1800Z/
/O.NEW.KRIW.HW.W.0027.121020T0300Z-121020T1800Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
132 PM MDT FRI OCT 19 2012

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT
SATURDAY...

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 THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 


* SUMMARY AND TIMING...STRONG WESTERLY WINDS WILL DEVELOP THIS EVENING
  OVER THE EASTERN SLOPES OF THE ABSAROKA MOUNTAINS. THESE STRONG
  WINDS MAY MOVE INTO THE ADJACENT FOOTHILLS... IMPACTING CLARK
  OVERNIGHT AND INTO TOMORROW MORNING.

* WIND...WIND OF 45 TO 55 MPH WILL BE POSSIBLE OVER THE ABSAROKA 
  MOUNTAINS WITH GUSTS OF AROUND 65 TO 75 MPH. WIND OF 35 TO 45 
  MPH WITH GUSTS OF 55 TO 65 MPH WILL BE POSSIBLE AROUND THE 
  LOWER ELEVATIONS NORTH OF CODY...INCLUDING CLARK. 

* IMPACTS...STRONG CROSS WINDS ARE POSSIBLE FOUND ALONG STATE
  HIGHWAY 120 NORTH OF CODY DURING THE OVERNIGHT HOURS. HIGH
  PROFILE VEHICLES AND THOSE TOWING TRAILERS SHOULD TAKE CARE IF
  TRAVELING NORTH OF CODY TONIGHT AND TOMORROW MORNING.


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.

&&

$$
3 follow-up statements
137 
WWUS75 KRIW 200307
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
907 PM MDT FRI OCT 19 2012

...STRONG WIND EXPECTED TONIGHT ACROSS THE ABSAROKA MOUNTAINS AND
ADJACENT CODY FOOTHILLS...

.CONDITIONS WILL BE FAVORABLE FOR VERY STRONG WIND DEVELOPMENT
THIS EVENING... MAINLY NORTH OF CODY ALONG THE FOOTHILLS OF THE
ABSAROKA MOUNTAINS. STRONG WIND MAY IMPACT THE AREA OF CLARK
OVERNIGHT AND INTO TOMORROW.

WYZ002-003-201800-
/O.CON.KRIW.HW.W.0027.000000T0000Z-121020T1800Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
907 PM MDT FRI OCT 19 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY. 

* SUMMARY AND TIMING...STRONG WESTERLY WINDS WILL DEVELOP THIS 
  EVENING OVER THE EASTERN SLOPES OF THE ABSAROKA MOUNTAINS. 
  THESE STRONG WINDS MAY MOVE INTO THE ADJACENT FOOTHILLS... 
  IMPACTING CLARK OVERNIGHT AND INTO TOMORROW MORNING. 

* WIND...WIND OF 45 TO 55 MPH WILL BE POSSIBLE OVER THE ABSAROKA 
  MOUNTAINS WITH GUSTS OF AROUND 65 TO 75 MPH. WIND OF 35 TO 45 
  MPH WITH GUSTS OF 55 TO 65 MPH WILL BE POSSIBLE AROUND THE 
  LOWER ELEVATIONS NORTH OF CODY...INCLUDING CLARK. 

* IMPACTS...STRONG CROSS WINDS ARE POSSIBLE FOUND ALONG STATE 
  HIGHWAY 120 NORTH OF CODY DURING THE OVERNIGHT HOURS. HIGH 
  PROFILE VEHICLES AND THOSE TOWING TRAILERS SHOULD TAKE CARE IF 
  TRAVELING NORTH OF CODY TONIGHT AND TOMORROW MORNING. 

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.

&&

$$
187 
WWUS75 KRIW 200901
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
301 AM MDT SAT OCT 20 2012

...STRONG WIND EXPECTED ACROSS THE ABSAROKA MOUNTAINS AND
ADJACENT CODY FOOTHILLS...

.CONDITIONS WILL BE FAVORABLE FOR VERY STRONG WIND THIS
MORNING...MAINLY NORTH OF CODY ALONG THE FOOTHILLS OF THE
ABSAROKA MOUNTAINS. STRONG WIND MAY IMPACT THE AREA OF CLARK
THROUGH THE MORNING HOURS.

WYZ002-003-201800-
/O.CON.KRIW.HW.W.0027.000000T0000Z-121020T1800Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
301 AM MDT SAT OCT 20 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

* SUMMARY AND TIMING...STRONG WESTERLY WINDS WILL DEVELOP THIS
  MORNING OVER THE EASTERN SLOPES OF THE ABSAROKA MOUNTAINS. THESE
  STRONG WINDS WILL MOVE INTO THE ADJACENT FOOTHILLS...IMPACTING
  CLARK.

* WIND...WIND OF 45 TO 55 MPH WILL BE POSSIBLE OVER THE ABSAROKA 
  MOUNTAINS WITH GUSTS OF AROUND 65 TO 75 MPH. WIND OF 35 TO 45 
  MPH WITH GUSTS OF 55 TO 65 MPH WILL BE POSSIBLE AROUND THE 
  LOWER ELEVATIONS NORTH OF CODY...INCLUDING CLARK. 

* IMPACTS...STRONG CROSS WINDS ARE POSSIBLE FOUND ALONG STATE
  HIGHWAY 120 NORTH OF CODY THIS MORNING. HIGH PROFILE VEHICLES
  AND THOSE TOWING TRAILERS SHOULD TAKE CARE IF TRAVELING NORTH OF
  CODY THIS MORNING.

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.

&&

$$
746 
WWUS75 KRIW 201531
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
931 AM MDT SAT OCT 20 2012

WYZ002-003-201645-
/O.CAN.KRIW.HW.W.0027.000000T0000Z-121020T1800Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
931 AM MDT SAT OCT 20 2012

...HIGH WIND WARNING IS CANCELLED...

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

HIGH WINDS ARE NO LONGER EXPECTED ACROSS THE AREA AND THUS THE
HIGH WIND WARNING HAS BEEN CANCELLED. GUSTY WEST WINDS ARE STILL
EXPECTED BUT THEY ARE NO LONGER EXPECTED TO BE HIGH WINDS.

$$

TEAM RIVERTON

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 2:42 AM MDTHigh Wind WatchRIWFremont, Hot Springs, Park11 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.