Alert archive / Wyoming / High Wind Warnings in 2015

High Wind Warning 2, NWS Riverton, WY

January 16, 20154 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Jan 16, 2015, 9:20 AM MST for 4 counties in Wyoming. It was in force for 14 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 16, 2015, 9:20 AM MST (16:20 UTC)
Expired
Jan 16, 2015, 11:11 PM MST
In force
14 hr
Issued by
NWS Riverton, WY

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

The radar

The Riverton/Lander radar (KRIW), 2 km from the middle of the area, began a volume at 16:20 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, 4.3 hours before the alert went out and 7 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 2015-01-16Temperature 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 2015-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 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
2255 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
364 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.

187 
WWUS75 KRIW 161620
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
920 AM MST FRI JAN 16 2015

...VERY STRONG WINDS EXPECTED ACROSS PARTS OF CENTRAL WYOMING
THROUGH THIS EVENING...

.VERY STRONG WINDS ALOFT AND AN APPROACHING COLD FRONT WILL LEAD
TO HIGH WINDS ACROSS THE CODY FOOTHILLS AND WIND CORRIDOR FROM
AROUND JEFFREY CITY TO CASPER THROUGH AT LEAST THIS EVENING.

WYZ003-170400-
/O.NEW.KRIW.HW.W.0002.150116T1620Z-150117T1000Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
920 AM MST FRI JAN 16 2015

...HIGH WIND WARNING IN EFFECT UNTIL 3 AM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 3 AM MST SATURDAY. 

* SUMMARY AND TIMING...A COUPLE EPISODES OF HIGH WIND ARE EXPECTED
  ACROSS THE CODY FOOTHILLS THROUGH TONIGHT. THE STRONGEST WINDS
  LOOK TO BE THIS AFTERNOON FOR A FEW HOURS AND AGAIN FOR A FEW
  HOURS AFTER DARK. THE POTENTIAL FOR HIGH WINDS EXIST AT ANYTIME
  THOUGH THROUGH THE EARLY MORNING HOURS SATURDAY. THE AREA AROUND
  AND JUST SOUTH OF CLARK AND JUST SOUTH OF CODY WILL HAVE THE
  HIGHEST LIKELIHOOD OF THESE HIGH WINDS.

* WIND...WEST 30 TO 40 MPH WITH GUSTS TO 65. LOCALLY HIGHER WINDS
  ARE POSSIBLE AROUND CLARK.

* IMPACTS...TRAVELLERS ON HIGHWAY 120 FROM CLARK TO SOUTH OF CODY
  SHOULD EXPECT VERY STRONG CROSSWINDS. THOSE IN LIGHTWEIGHT AND
  HIGH PROFILE VEHICLES WILL BE NEED TO BE ESPECIALLY CAUTIOUS IF
  TRAVEL IS NECESSARY ACROSS THIS AREA THROUGH TONIGHT.

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.

&&

$$

WYZ019-170400-
/O.NEW.KRIW.HW.W.0002.150116T1620Z-150117T0400Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
920 AM MST FRI JAN 16 2015

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 9 PM MST THIS EVENING. 

* SUMMARY AND TIMING...WINDS ARE EXPECTED TO INCREASE INTO THE
  AFTERNOON HOURS WITH THE STRONGEST WINDS OCCURRING LATE THIS
  AFTERNOON. THE WINDS WILL GRADUALLY DECREASE BELOW HIGH WIND
  STANDARDS LATER THIS EVENING.

* WIND...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 65 MPH. 

* IMPACTS...TRAVELLERS ALONG HIGHWAYS 287 AND 789 OVER BEAVER RIM
  AND FROM SWEETWATER STATION EAST THROUGH JEFFREY CITY TO MUDDY
  GAP SHOULD EXPECT VERY STRONG AND ERRATIC WIND GUSTS. THOSE IN
  LIGHTWEIGHT AND HIGH PROFILE VEHICLES WILL NEED TO BE ESPECIALLY
  CAUTIOUS THROUGH THIS EVENING.

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.

&&

$$

WYZ020-170400-
/O.NEW.KRIW.HW.W.0002.150116T1620Z-150117T0400Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
920 AM MST FRI JAN 16 2015

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 9 PM MST THIS EVENING. 

* SUMMARY AND TIMING...WINDS ARE EXPECTED TO INCREASE INTO THE
  AFTERNOON HOURS WITH THE STRONGEST WINDS OCCURRING LATE THIS
  AFTERNOON. THE WINDS WILL GRADUALLY DECREASE BELOW HIGH WIND
  STANDARDS LATER THIS EVENING.

* WIND...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 65 MPH. LOCAL GUSTS
  OVER 70 MPH ARE POSSIBLE IN THE WINDIEST LOCALES NEAR CASPER
  MOUNTAIN. 

* IMPACTS...TRAVELLERS ALONG HIGHWAYS 220...20...26 AND INTERSTATE
  25 SHOULD EXPECT VERY STRONG AND ERRATIC SOUTHWEST WIND GUSTS
  THROUGH THIS EVENING. THOSE IN LIGHTWEIGHT AND HIGH PROFILE VEHICLES
  WILL NEED TO BE ESPECIALLY CAUTIOUS THROUGH THIS EVENING.

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
3 follow-up statements
556 
WWUS75 KRIW 162156
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
256 PM MST FRI JAN 16 2015

...VERY STRONG WINDS EXPECTED ACROSS PARTS OF CENTRAL WYOMING
THROUGH THIS EVENING...

.VERY STRONG WINDS ALOFT AND AN APPROACHING COLD FRONT WILL LEAD
TO HIGH WINDS ACROSS THE CODY FOOTHILLS AND WIND CORRIDOR FROM
AROUND JEFFREY CITY TO CASPER THROUGH AT LEAST THIS EVENING.

WYZ003-170400-
/O.CON.KRIW.HW.W.0002.000000T0000Z-150117T1000Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
256 PM MST FRI JAN 16 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM MST SATURDAY. 

* SUMMARY AND TIMING...WINDS CONTINUED TO INCREASE ACROSS THE CODY
  FOOTHILLS LATE THIS AFTERNOON. ONE SENSOR IN CLARK WAS ALREADY
  REPORTING WIND GUSTS NEAR 60 MPH AT 240 PM THIS AFTERNOON. THE
  THREAT OF HIGH WINDS OVER 60 MPH WILL CONTINUE THROUGH AT LEAST
  THE EVENING HOURS AND POSSIBLY INTO THE EARLY MORNING SATURDAY.

* WIND...WEST 30 TO 40 MPH WITH GUSTS TO 65. LOCALLY HIGHER 
  WINDS ARE POSSIBLE AROUND CLARK. 

* IMPACTS...TRAVELLERS ON HIGHWAY 120 FROM CLARK TO SOUTH OF 
  CODY SHOULD EXPECT VERY STRONG CROSSWINDS. THOSE IN 
  LIGHTWEIGHT AND HIGH PROFILE VEHICLES WILL BE NEED TO BE 
  ESPECIALLY CAUTIOUS IF TRAVEL IS NECESSARY ACROSS THIS AREA 
  THROUGH TONIGHT. 

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.

&&

$$

WYZ019-170400-
/O.CON.KRIW.HW.W.0002.000000T0000Z-150117T0400Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
256 PM MST FRI JAN 16 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...VERY STRONG WINDS CONTINUED ACROSS THE AREA
  LATE THIS AFTERNOON. WIND GUSTS OF 40 TO 50 MPH WERE COMMON WITH
  THE WINDIER SPOTS GUSTING AROUND 60 MPH. THESE WINDS WILL
  GRADUALLY DECREASE BELOW HIGH WIND STANDARDS LATER THIS EVENING.

* WIND...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. 

* IMPACTS...TRAVELLERS ALONG HIGHWAYS 287 AND 789 OVER BEAVER 
  RIM AND FROM SWEETWATER STATION EAST THROUGH JEFFREY CITY TO 
  MUDDY GAP SHOULD EXPECT VERY STRONG AND ERRATIC WIND GUSTS. 
  THOSE IN LIGHTWEIGHT AND HIGH PROFILE VEHICLES WILL NEED TO BE 
  ESPECIALLY CAUTIOUS THROUGH THIS EVENING. 

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.

&&

$$

WYZ020-170400-
/O.CON.KRIW.HW.W.0002.000000T0000Z-150117T0400Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
256 PM MST FRI JAN 16 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...VERY STRONG WINDS CONTINUED ACROSS THE AREA
  LATE THIS AFTERNOON. WIND GUSTS OF 40 TO 50 MPH WERE COMMON WITH
  THE WINDIER SPOTS ON THE SOUTH SIDE OF CASPER GUSTING BETWEEN 65
  AND 75 MPH. THESE WINDS WILL GRADUALLY DECREASE BELOW HIGH WIND
  STANDARDS LATER THIS EVENING. 

* WIND...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 65 MPH. STRONGER
  WIND GUSTS OF 70 TO 75 MPH WILL CONTINUE OVER THE FAVORED SOUTH AND
  SOUTHWEST SIDE OF TOWN...INCLUDING WYOMING BOULEVARD.

* IMPACTS...TRAVELLERS ALONG HIGHWAYS 220...20...26 AND 
  INTERSTATE 25 SHOULD EXPECT VERY STRONG AND ERRATIC SOUTHWEST 
  WIND GUSTS THROUGH THIS EVENING. THOSE IN LIGHTWEIGHT AND HIGH 
  PROFILE VEHICLES WILL NEED TO BE ESPECIALLY CAUTIOUS THROUGH 
  THIS EVENING. 

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.

&&

$$
695 
WWUS75 KRIW 170258
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
758 PM MST FRI JAN 16 2015

...VERY STRONG WINDS EXPECTED ACROSS PARTS OF CENTRAL WYOMING
TONIGHT...

.VERY STRONG WINDS ALOFT AND AN APPROACHING COLD FRONT WILL LEAD
TO HIGH WINDS ACROSS THE CODY FOOTHILLS TONIGHT.

WYZ019-020-170400-
/O.CAN.KRIW.HW.W.0002.000000T0000Z-150117T0400Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
758 PM MST FRI JAN 16 2015

...HIGH WIND WARNING IS CANCELLED...

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

WINDS HAVE BEGUN TO DECREASE ACROSS THE AREA. THEREFORE THE HIGH
WIND WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...WIND GUSTS TO 30
TO 40 MPH WILL STILL BE POSSIBLE THE REST OF THIS EVENING ACROSS
THE FAVORED AREAS.

$$

WYZ003-171000-
/O.CON.KRIW.HW.W.0002.000000T0000Z-150117T1000Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
758 PM MST FRI JAN 16 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM MST SATURDAY. 

* SUMMARY AND TIMING...WINDS CONTINUE TO GUST OVER 60 MPH IN THE
  VICINITY OF CLARK. THE THREAT OF HIGH WINDS WILL CONTINUE INTO THE
  EVENING HOURS AND POSSIBLY INTO THE EARLY MORNING SATURDAY.

* WIND...WEST 30 TO 40 MPH WITH GUSTS TO 65 MPH. LOCALLY HIGHER
  WINDS ARE POSSIBLE AROUND CLARK.

* IMPACTS...TRAVELERS ON HIGHWAY 120 FROM CLARK TO SOUTH OF CODY
  SHOULD EXPECT VERY STRONG CROSSWINDS. THOSE IN LIGHTWEIGHT AND
  HIGH PROFILE VEHICLES WILL BE NEED TO BE ESPECIALLY CAUTIOUS IF
  TRAVEL IS NECESSARY ACROSS THIS AREA THROUGH TONIGHT.

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.

&&

$$
895 
WWUS75 KRIW 170611
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1111 PM MST FRI JAN 16 2015


WYZ003-170715-
/O.CAN.KRIW.HW.W.0002.000000T0000Z-150117T1000Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
1111 PM MST FRI JAN 16 2015

...HIGH WIND WARNING IS CANCELLED...

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

WINDS HAVE SUBSIDED BEHIND A COLD FRONT LATE THIS EVENING.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 2:11 PM MSTWinter Weather AdvisoryRIWLincoln6 hr

Nearby

High Wind Warnings in Wyoming, 2015Every high wind warning in 2015

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.