Alert archive / Wyoming / High Wind Warnings in 2017

High Wind Warning 2, NWS Riverton, WY

January 29, 2017Fremont County, Hot Springs County, Park County, Wyoming

NWS Riverton, WY issued this high wind warning at Jan 29, 2017, 1:48 PM MST for Fremont County, Hot Springs County, Park County, Wyoming. It took effect at Jan 29, 2017, 5:00 PM MST. It was in force for 12 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
Jan 29, 2017, 1:48 PM MST (20:48 UTC)
In effect from
Jan 29, 2017, 5:00 PM MST
Expired
Jan 30, 2017, 5:00 AM MST
In force
12 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 20:49 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, 8.8 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 2017-01-29Temperature 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 2017-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 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
2273 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

950 
WWUS75 KRIW 292048
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
148 PM MST SUN JAN 29 2017

...HIGH WINDS EXPECTED IN THE CODY FOOTHILLS AND ABSAROKA
MOUNTAINS TONIGHT...

.A STRONG SURFACE PRESSURE GRADIENT AND STRONG WINDS ALOFT
WILL COMBINE FOR CONDITIONS FAVORABLE FOR HIGH WINDS IN THE
CODY FOOTHILLS AND ABSAROKA MOUNTAINS FROM 5 PM MST THROUGH
THE NIGHT...ENDING AT 5 AM MST MONDAY.  THE STRONGEST WINDS
ARE EXPECTED IN THE CLARK AREA AND ON CHIEF JOSEPH HIGHWAY.

WYZ002-003-301200-
/O.NEW.KRIW.HW.W.0002.170130T0000Z-170130T1200Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
148 PM MST SUN JAN 29 2017

...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM
MST MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST
MONDAY. 

* TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP EARLY THIS EVENING
  AND CONTINUE THROUGH THE NIGHT ENDING EARLY MONDAY MORNING.

* WINDS...WEST WINDS OF 40 MPH WITH GUSTS TO 65 MPH ARE EXPECTED
  IN THE CODY FOOTHILLS WITH GUSTS AS HIGH AS 75 MPH IN THE
  ABSAROKA MOUNTAINS AROUND CHIEF JOSEPH HIGHWAY. 

* IMPACTS...STRONG GUSTY CROSS WINDS ALONG HIGHWAY 120 AND ALONG
  CHIEF JOSEPH HIGHWAY WILL INCREASE THE RISK OF BLOW OVER FOR
  TRUCKS PULLING LIGHT WEIGHT AND HIGH PROFILE VEHICLES.  AREAS
  OF BLOWING SNOW MAY REDUCE THE VISIBILITY BELOW A QUARTER MILE
  AT TIMES.  

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.

&&

$$
3 follow-up statements
483 
WWUS75 KRIW 300409
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
909 PM MST SUN JAN 29 2017

...HIGH WINDS EXPECTED IN THE CODY FOOTHILLS AND ABSAROKA
MOUNTAINS TONIGHT...

.A STRONG SURFACE PRESSURE GRADIENT AND STRONG WINDS ALOFT WILL
COMBINE FOR CONDITIONS FAVORABLE FOR HIGH WINDS IN THE CODY
FOOTHILLS AND ABSAROKA MOUNTAINS TONIGHT THROUGH EARLY MONDAY
MORNING. THE STRONGEST WINDS ARE EXPECTED IN THE CLARK AREA AND
ON CHIEF JOSEPH HIGHWAY.

WYZ002-003-301200-
/O.CON.KRIW.HW.W.0002.000000T0000Z-170130T1200Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
909 PM MST SUN JAN 29 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY...

* TIMING...OCCASIONAL HIGH WINDS WILL CONTINUE OVERNIGHT BEFORE
  DIMINISHING EARLY MONDAY MORNING. 

* WINDS...WEST WINDS OF 40 MPH WITH GUSTS TO 65 MPH ARE EXPECTED
  IN THE CODY FOOTHILLS WITH GUSTS AS HIGH AS 75 MPH IN THE
  ABSAROKA MOUNTAINS AROUND CHIEF JOSEPH HIGHWAY. SO FAR...BETWEEN
  6 PM AND 630 PM...A PEAK WIND GUST OF 59 MPH WAS RECORDED ALONG
  HIGHWAY 120...8 MILES SOUTH OF CLARK...AND A PEAK WIND GUST OF
  44 MPH WAS RECORDED AT THE SHERIFF'S OFFICE IN CODY. 

* IMPACTS...STRONG GUSTY CROSS WINDS ALONG HIGHWAY 120 AND ALONG 
  CHIEF JOSEPH HIGHWAY WILL INCREASE THE RISK OF BLOW OVER FOR 
  TRUCKS PULLING LIGHT WEIGHT AND HIGH PROFILE VEHICLES. AREAS 
  OF BLOWING SNOW MAY REDUCE THE VISIBILITY BELOW A QUARTER MILE 
  AT TIMES. 

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.

&&

$$
405 
WWUS75 KRIW 300907
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
207 AM MST MON JAN 30 2017

...HIGH WINDS EXPECTED TO CONTINUE IN THE CODY FOOTHILLS AND
ABSAROKA MOUNTAINS TONIGHT...

.A STRONG SURFACE PRESSURE GRADIENT AND STRONG WINDS ALOFT WILL
COMBINE FOR CONDITIONS FAVORABLE FOR HIGH WINDS IN THE CODY
FOOTHILLS AND ABSAROKA MOUNTAINS THROUGH EARLY MONDAY MORNING.
THE STRONGEST WINDS ARE EXPECTED IN THE CLARK AREA AND ON CHIEF
JOSEPH HIGHWAY.

WYZ002-003-301200-
/O.CON.KRIW.HW.W.0002.000000T0000Z-170130T1200Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
207 AM MST MON JAN 30 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS
MORNING...

* TIMING...OCCASIONAL HIGH WINDS WILL CONTINUE OVERNIGHT BEFORE 
  DIMINISHING EARLY MONDAY MORNING. 

* WINDS...WEST WINDS OF 40 MPH WITH GUSTS TO 65 MPH ARE EXPECTED
  IN THE CODY FOOTHILLS WITH GUSTS AS HIGH AS 75 MPH IN THE
  ABSAROKA MOUNTAINS AROUND CHIEF JOSEPH HIGHWAY. SO FAR...
  BETWEEN 6 PM AND 630 PM...A PEAK WIND GUST OF 59 MPH WAS
  RECORDED ALONG HIGHWAY 120...8 MILES SOUTH OF CLARK...AND A PEAK
  WIND GUST OF 44 MPH WAS RECORDED AT THE SHERIFF'S OFFICE IN
  CODY. A PEAK WIND GUST OF 65 MPH OCCURRED AT CHIEF JOSEPH
  HIGHWAY AT 1AM.

* IMPACTS...STRONG GUSTY CROSS WINDS ALONG HIGHWAY 120 AND ALONG 
  CHIEF JOSEPH HIGHWAY WILL INCREASE THE RISK OF BLOW OVER FOR 
  TRUCKS PULLING LIGHT WEIGHT AND HIGH PROFILE VEHICLES. AREAS 
  OF BLOWING SNOW MAY REDUCE THE VISIBILITY BELOW A QUARTER MILE 
  AT TIMES. 

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.

&&

$$
489 
WWUS75 KRIW 301132
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
432 AM MST MON JAN 30 2017


WYZ002-003-301245-
/O.EXP.KRIW.HW.W.0002.000000T0000Z-170130T1200Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
432 AM MST MON JAN 30 2017

...HIGH WIND WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING...

WINDS HAVE WEAKENED, AND ARE NO LONGER EXPECTED TO REACH HIGH WIND
WARNING CRITERIA. THUS THE HIGH WIND WARNING WILL BE ALLOWED TO
EXPIRE AT 5 AM.

$$

Nearby

High Wind Warnings in Wyoming, 2017Every high wind warning in 2017

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.