Alert archive / Wyoming / High Wind Watches in 2012

High Wind Watch 13, NWS Riverton, WY

March 5, 20125 counties in Wyoming

NWS Riverton, WY issued this high wind watch at Mar 5, 2012, 3:08 AM MST for 5 counties in Wyoming. It took effect at Mar 5, 2012, 5:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 5, 2012, 3:08 AM MST (10:08 UTC)
In effect from
Mar 5, 2012, 5:00 PM MST
Expired
Mar 5, 2012, 2:22 PM MST
In force
Issued by
NWS Riverton, WY

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

The radar

The Riverton/Lander radar (KRIW), 13 km from the middle of the area, began a volume at 10:10 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 00:00Z, 10.1 hours before the alert went out and 13 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 00:00Z on 2012-03-05Temperature 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, Riverton, WY at 00:00Z on 2012-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
3157 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
167 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.

020 
WWUS75 KRIW 051008
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
308 AM MST MON MAR 5 2012

...HIGH WIND WATCH FOR THE NATRONA COUNTY LOWER ELEVATIONS...THE
GREEN MOUNTAINS...AND THE RATTLESNAKE RANGE FROM 5 PM THIS
AFTERNOON THROUGH 2 PM TUESDAY.

.AN INCREASING PRESSURE GRADIENT AHEAD OF AN ADVANCING COLD FRONT
WILL PRODUCE POTENTIALLY HIGH SOUTHWESTERLY WINDS FROM LATE THIS
AFTERNOON THROUGH EARLY TUESDAY AFTERNOON.

WYZ020-060045-
/O.NEW.KRIW.HW.A.0013.120306T0000Z-120306T2100Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
308 AM MST MON MAR 5 2012

...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY
AFTERNOON. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TODAY AND MAY
  BECOME STRONG LATE THIS AFTERNOON THROUGH EARLY TUESDAY AFTERNOON.

* WIND...SOUTHWEST INCREASING TO 30 TO 40 MPH WITH GUSTS AS HIGH
  AS 60 MPH POSSIBLE AFTER 5 PM TODAY.

* IMPACTS...STRONG CROSS WINDS ARE POSSIBLE ALONG INTERSTATE
  25...HIGHWAY 26 WEST OF CASPER AND ALONG WYOMING BOULEVARD IN
  THE SOUTH PORTION OF CASPER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. 

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.

&&

$$

WYZ019-060045-
/O.NEW.KRIW.HW.A.0013.120306T0000Z-120306T2100Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
308 AM MST MON MAR 5 2012

...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY
AFTERNOON. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TODAY AND MAY
  BECOME STRONG LATE THIS AFTERNOON THROUGH EARLY TUESDAY AFTERNOON.

* WIND...SOUTHWEST INCREASING TO 35 TO 45 MPH WITH SOME GUSTS TO
  65 MPH OR HIGHER ARE POSSIBLE AFTER 5 PM.

* IMPACTS...STRONG CROSSWINDS ARE POSSIBLE ALONG HIGHWAY 287 FROM
  BEAVER RIM TO JEFFREY CITY AS WELL AS ALONG HIGHWAY 135 FROM
  BEAVER RIM TO SWEETWATER STATION. AREAS OF BLOWING SNOW MAY
  REDUCE VISIBILITY TO UNDER 1 MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. 

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.

&&

$$
2 follow-up statements
735 
WWUS75 KRIW 051527
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
827 AM MST MON MAR 5 2012

...HIGH WIND WATCH FOR PARK AND NATRONA COUNTIES...THE GREEN
MOUNTAINS...AND THE RATTLESNAKE RANGE FROM 5 PM THIS AFTERNOON
THROUGH 2 PM TUESDAY...

.AN INCREASING PRESSURE GRADIENT AND UPPER LEVEL JET STREAM AHEAD
OF AN ADVANCING COLD FRONT WILL PRODUCE POTENTIALLY HIGH WEST TO
SOUTHWEST WINDS FROM LATE THIS AFTERNOON THROUGH EARLY TUESDAY
AFTERNOON.

WYZ002-003-052330-
/O.EXB.KRIW.HW.A.0013.120306T0000Z-120306T1500Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
827 AM MST MON MAR 5 2012

...HIGH WIND WATCH IN EFFECT FROM 5 PM MST THIS AFTERNOON THROUGH
TUESDAY MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM 5 PM MST THIS AFTERNOON THROUGH
TUESDAY MORNING. 

* SUMMARY AND TIMING...WEST TO SOUTHWEST WINDS WILL INCREASE
  THROUGH 5 PM MST...WITH POTENTIAL HIGH WINDS LATE THIS AFTERNOON
  THROUGH TUESDAY MORNING.

* WIND...SOUTHWEST INCREASING TO 35 TO 45 MPH WITH GUSTS AS HIGH
  AS 65 MPH ESPECIALLY IN THE CLARK AREA BELOW 7000 FEET...WITH
  50 MPH WINDS GUSTING TO 75 MPH ABOVE 7000 FEET POSSIBLE AFTER 5
  PM TODAY.

* IMPACTS...STRONG CROSS WINDS ARE POSSIBLE ALONG..HIGHWAY 120
  BETWEEN CODY AND THE MONTANA BORDER WITH THE HIGHEST WINDS IN
  THE CLARK AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ020-052330-
/O.CON.KRIW.HW.A.0013.120306T0000Z-120306T2100Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
827 AM MST MON MAR 5 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON
THROUGH TUESDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON
THROUGH TUESDAY AFTERNOON. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TODAY AND 
  MAY BECOME STRONG LATE THIS AFTERNOON THROUGH EARLY TUESDAY 
  AFTERNOON. 

* WIND...SOUTHWEST INCREASING TO 30 TO 40 MPH WITH GUSTS AS HIGH 
  AS 60 MPH POSSIBLE AFTER 5 PM TODAY. 

* IMPACTS...STRONG CROSS WINDS ARE POSSIBLE ALONG INTERSTATE
  25...HIGHWAY 20 26...220 WEST OF CASPER AND ALONG WYOMING
  BOULEVARD ON THE SOUTH SIDE OF CASPER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ019-052330-
/O.CON.KRIW.HW.A.0013.120306T0000Z-120306T2100Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
827 AM MST MON MAR 5 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON
THROUGH TUESDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON
THROUGH TUESDAY AFTERNOON. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TODAY AND 
  MAY BECOME STRONG LATE THIS AFTERNOON THROUGH EARLY TUESDAY 
  AFTERNOON. 

* WIND...SOUTHWEST INCREASING TO 35 TO 45 MPH WITH SOME GUSTS TO 
  65 MPH OR HIGHER ARE POSSIBLE AFTER 5 PM. 

* IMPACTS...STRONG CROSSWINDS ARE POSSIBLE ALONG HIGHWAY 287 
  FROM BEAVER RIM TO JEFFREY CITY AS WELL AS ALONG HIGHWAY 135 
  FROM BEAVER RIM TO SWEETWATER STATION. AREAS OF BLOWING SNOW 
  MAY REDUCE VISIBILITY TO UNDER 1 MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

C.BAKER
996 
WWUS75 KRIW 052122
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
222 PM MST MON MAR 5 2012

...HIGH WIND WARNING FOR PARK AND NATRONA COUNTIES...THE GREEN
MOUNTAINS...AND THE RATTLESNAKE RANGE FROM 5 PM THIS AFTERNOON
THROUGH 2 PM TUESDAY...

.AN INCREASING PRESSURE GRADIENT AND UPPER LEVEL JET STREAM AHEAD
OF AN ADVANCING COLD FRONT WILL PRODUCE POTENTIALLY HIGH WEST TO
SOUTHWEST WINDS FROM LATE THIS AFTERNOON THROUGH EARLY TUESDAY
AFTERNOON.

WYZ020-060900-
/O.UPG.KRIW.HW.A.0013.120306T0000Z-120306T2100Z/
/O.NEW.KRIW.HW.W.0013.120306T0000Z-120306T2100Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
222 PM MST MON MAR 5 2012

...HIGH WIND WARNING IN EFFECT UNTIL 2 PM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 2 PM MST TUESDAY. THE HIGH
WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TODAY AND BECOME
  STRONG LATE THIS AFTERNOON THROUGH EARLY TUESDAY AFTERNOON.

* WIND...SOUTHWEST INCREASING TO 30 TO 40 MPH WITH GUSTS AS HIGH 
  AS 60 MPH POSSIBLE AFTER 5 PM TODAY. 

* IMPACTS...STRONG CROSS WINDS ARE POSSIBLE ALONG INTERSTATE
  25...HIGHWAY 20 26...220 WEST OF CASPER AND ALONG WYOMING
  BOULEVARD ON THE SOUTH SIDE OF CASPER. TRAVELERS WITH LIGHT
  WEIGHT AND HIGH PROFILE VEHICLES SHOULD USE CAUTION WHILE
  DRIVING.

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.

&&

$$

WYZ019-060900-
/O.UPG.KRIW.HW.A.0013.120306T0000Z-120306T2100Z/
/O.NEW.KRIW.HW.W.0013.120306T0000Z-120306T2100Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
222 PM MST MON MAR 5 2012

...HIGH WIND WARNING IN EFFECT UNTIL 2 PM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 2 PM MST TUESDAY. THE HIGH
WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TODAY AND BECOME
  STRONG LATE THIS AFTERNOON THROUGH EARLY TUESDAY AFTERNOON.

* WIND...SOUTHWEST INCREASING TO 35 TO 45 MPH WITH SOME GUSTS TO 
  65 MPH OR HIGHER ARE POSSIBLE AFTER 5 PM. 

* IMPACTS...STRONG CROSSWINDS ARE POSSIBLE ALONG HIGHWAY 287 FROM
  BEAVER RIM TO JEFFREY CITY AS WELL AS ALONG HIGHWAY 135 FROM
  BEAVER RIM TO SWEETWATER STATION. AREAS OF BLOWING SNOW MAY
  REDUCE VISIBILITY TO UNDER 1 MILE AT TIMES. TRAVELERS WITH LIGHT
  WEIGHT AND HIGH PROFILE VEHICLES SHOULD USE CAUTION WHILE
  DRIVING.

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.

&&

$$

WYZ002-003-060900-
/O.UPG.KRIW.HW.A.0013.120306T0000Z-120306T1500Z/
/O.NEW.KRIW.HW.W.0013.120305T2122Z-120306T1500Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
222 PM MST MON MAR 5 2012

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 AM MST TUESDAY. THE HIGH
WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...WEST TO SOUTHWEST WINDS WILL CONTINUE TO
  INCREASE WITH HIGH WINDS THIS AFTERNOON THROUGH TUESDAY MORNING.

* WIND...SOUTHWEST INCREASING TO 35 TO 45 MPH WITH GUSTS AS HIGH
  AS 65 MPH ESPECIALLY IN THE CLARK AREA BELOW 7000 FEET...WITH 50
  MPH WINDS GUSTING TO 75 MPH ABOVE 7000 FEET POSSIBLE.

* IMPACTS...STRONG CROSS WINDS ARE POSSIBLE ALONG..HIGHWAY 120
  BETWEEN CODY AND THE MONTANA BORDER WITH THE HIGHEST WINDS IN
  THE CLARK AREA. TRAVELERS WITH LIGHT WEIGHT AND HIGH PROFILE
  VEHICLES SHOULD USE CAUTION WHILE DRIVING.

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.

&&

$$

C.BAKER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 2:22 PM MSTHigh Wind WarningRIWFremont, Hot Springs, Natrona, Park, Sweetwater22 hr

Nearby

High Wind Watches in Wyoming, 2012Every high wind watch 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.