Alert archive / Wyoming / High Wind Warnings in 2016

High Wind Warning 4, NWS Riverton, WY

January 29, 20164 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Jan 29, 2016, 3:51 PM MST for 4 counties in Wyoming. It was in force for 14 hr. 7 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 29, 2016, 3:51 PM MST (22:51 UTC)
Expired
Jan 30, 2016, 6:00 AM 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 22:50 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 30, 2:58 AM MSTSNOW 530 Sw Meeteetse, WYKIRWIN SNOTEL
Jan 30, 2:58 AM MSTHEAVY SNOW 619 Wsw Wapiti, WYBLACKWATER SNOTEL
Jan 30, 2:58 AM MSTHEAVY SNOW 811 N Dubois, WYBURROUGHS CREEK SNOTEL
Jan 30, 2:58 AM MSTHEAVY SNOW 814 Ne Pahaska, WYEVENING STAR SNOTEL
Jan 30, 2:58 AM MSTHEAVY SNOW 1021 W Clark, WYBEARTOOTH LAKE SNOTEL
Jan 30, 2:59 AM MSTHEAVY SNOW 856 Sw Cody, WYYOUNTS PEAK SNOTEL
Jan 30, 3:59 AM MSTHEAVY SNOW 9Brooks Lake, 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, 10.9 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 2016-01-29Temperature 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 2016-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -111 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
1978 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-111 m²/s²
0-3 km storm-relative helicity
-203 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

030 
WWUS75 KRIW 292251
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
351 PM MST FRI JAN 29 2016

...HIGH WINDS WILL IMPACT CODY FOOTHILLS...SOUTHEAST FREMONT
COUNTY...AND MUCH OF NATRONA COUNTY THROUGH TONIGHT...

.VERY STRONG FLOW ALOFT AND FAVORABLE ATMOSPHERIC CONDITIONS
AHEAD OF WINTER STORM IMPACTING WESTERN AND SOUTHERN
WYOMING...WILL RESULT IN STRONG TO POTENTIALLY DAMAGING WEST TO
SOUTHWEST WINDS THROUGH TONIGHT ACROSS PORTIONS OF THE CODY
FOOTHILLS AND FROM JEFFREY CITY AREA TO CASPER.

WYZ019-020-301000-
/O.NEW.KRIW.HW.W.0004.160129T2251Z-160130T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
351 PM MST FRI JAN 29 2016

...HIGH WIND WARNING IN EFFECT UNTIL 6 AM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* TIMING...THE STRONGEST WINDS ARE EXPECTED THROUGH MIDNIGHT ACROSS
  SOUTHEAST FREMONT COUNTY AND MUCH OF NATRONA COUNTY. WINDS ARE
  THEN EXPECTED TO GRADUALLY WEAKEN...BUT REMAIN WINDY BETWEEN
  MIDNIGHT AND SUNRISE.

* WINDS...SOUTHWEST 25 TO 40 MPH. GUSTS TO 70 MPH IN TYPICAL WINDY
  AREAS SUCH AS OUTER DRIVE ON THE SOUTH END OF CASPER. THIS AREA
  IS ALREADY GUSTING TO NEAR 65 MPH THIS AFTERNOON.

* IMPACTS...MAINLY TO TRANSPORTATION. ENHANCED BLOW OVER RISK FOR
  LIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ALONG WYOMING
  BOULEVARD ON THE SOUTH SIDE OF CASPER. DRIVERS OF SUCH VEHICLES
  ARE ADVISED TO DELAY TRAVEL.

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.

&&

$$

WYZ003-301000-
/O.NEW.KRIW.HW.W.0004.160129T2251Z-160130T1000Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
351 PM MST FRI JAN 29 2016

...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. 

* TIMING...THE STRONGEST WINDS EXPECTED THROUGH MIDNIGHT...BEFORE
  THE WINDS BEGIN TO DIMINISH AS A COLD FRONT MOVES THROUGH THE
  AREA. 

* WINDS...WEST 30 TO 40 MPH. GUSTS TO 65 MPH NEAR CLARK...AND JUST
  SOUTH OF CODY...NEAR THE CODY LANDFILL ROAD.

* IMPACTS...MAINLY TO TRANSPORTATION. ENHANCED BLOW OVER RISK FOR
  LIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ALONG HIGHWAY 120
  FROM AROUND CODY TO CLARK. DRIVERS OF SUCH VEHICLES ARE ADVISED
  TO DELAY TRAVEL.

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.

&&

$$

21
3 follow-up statements
213 
WWUS75 KRIW 300301
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
801 PM MST FRI JAN 29 2016

...HIGH WINDS WILL IMPACT CODY FOOTHILLS...SOUTHEAST FREMONT
COUNTY...AND MUCH OF NATRONA COUNTY TONIGHT...

.VERY STRONG FLOW ALOFT AND FAVORABLE ATMOSPHERIC CONDITIONS
AHEAD OF WINTER STORM IMPACTING WESTERN AND SOUTHERN WYOMING...
WILL RESULT IN STRONG TO POTENTIALLY DAMAGING WEST TO SOUTHWEST
WINDS TONIGHT ACROSS PORTIONS OF THE CODY FOOTHILLS AND FROM
JEFFREY CITY AREA TO CASPER.

WYZ019-020-301115-
/O.CON.KRIW.HW.W.0004.000000T0000Z-160130T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
801 PM MST FRI JAN 29 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

* TIMING...THE STRONGEST WINDS ARE EXPECTED THROUGH MIDNIGHT 
  ACROSS SOUTHEAST FREMONT COUNTY AND MUCH OF NATRONA COUNTY. 
  WINDS ARE THEN EXPECTED TO GRADUALLY WEAKEN...BUT REMAIN WINDY 
  BETWEEN MIDNIGHT AND SUNRISE. 

* WINDS...SOUTHWEST 25 TO 40 MPH. GUSTS TO 70 MPH IN TYPICAL WINDY
  AREAS SUCH AS OUTER DRIVE ON THE SOUTH END OF CASPER. 72 MPH WAS
  MEASURED ON OUTER DRIVE ON THE SOUTH SIDE OF CASPER AT 421 PM
  FRIDAY AFTERNOON.

* IMPACTS...MAINLY TO TRANSPORTATION. ENHANCED BLOW OVER RISK 
  FOR LIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ALONG WYOMING 
  BOULEVARD ON THE SOUTH SIDE OF CASPER. DRIVERS OF SUCH 
  VEHICLES ARE ADVISED TO DELAY TRAVEL. 

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.

&&

$$

WYZ003-301000-
/O.CON.KRIW.HW.W.0004.000000T0000Z-160130T1000Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
801 PM MST FRI JAN 29 2016

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

* TIMING...THE STRONGEST WINDS EXPECTED THROUGH MIDNIGHT...
  BEFORE THE WINDS BEGIN TO DIMINISH AS A COLD FRONT MOVES 
  THROUGH THE AREA. 

* WINDS...WEST 30 TO 40 MPH. GUSTS TO 65 MPH NEAR CLARK...AND JUST
  SOUTH OF CODY...NEAR THE CODY LANDFILL ROAD. A WIND GUST OF 95
  MPH WAS MEASURED ON THE WEST SIDE OF CLARK AT 459 PM FRIDAY
  AFTERNOON.

* IMPACTS...MAINLY TO TRANSPORTATION. ENHANCED BLOW OVER RISK 
  FOR LIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ALONG HIGHWAY 
  120 FROM AROUND CODY TO CLARK. DRIVERS OF SUCH VEHICLES ARE 
  ADVISED TO DELAY TRAVEL. 

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.

&&

$$

21
174 
WWUS75 KRIW 300628
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1128 PM MST FRI JAN 29 2016

...HIGH WINDS WILL CONTINUE TO IMPACT SOUTHEAST FREMONT
COUNTY AND MUCH OF NATRONA COUNTY TONIGHT...

.VERY STRONG FLOW ALOFT AND A TIGHT PRESSURE GRADIENT AHEAD OF
WINTER STORM IMPACTING WESTERN AND SOUTHERN WYOMING... WILL RESULT
IN VERY STRONG WEST TO SOUTHWEST WINDS TONIGHT FROM THE RED
CANYON AREA ALONG SOUTH PASS...TO THE CASPER AREA.

WYZ003-300730-
/O.CAN.KRIW.HW.W.0004.000000T0000Z-160130T1000Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
1128 PM MST FRI JAN 29 2016

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WARNING. WINDS HAVE WEAKENED...AND ARE NO LONGER EXPECTED TO
REACH HIGH WIND CRITERIA.

$$

WYZ019-020-301300-
/O.CON.KRIW.HW.W.0004.000000T0000Z-160130T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
1128 PM MST FRI JAN 29 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

* TIMING...STRONG SOUTHWEST WINDS WILL GRADUALLY WEAKEN DURING THE
  PREDAWN HOURS. 

* WINDS...SOUTHWEST 25 TO 40 MPH. GUSTS TO 60 MPH IN TYPICAL
  WINDY AREAS SUCH AS OUTER DRIVE IN CASPER. 72 MPH WAS MEASURED
  ON OUTER DRIVE ON THE SOUTH SIDE OF CASPER AT 421 PM FRIDAY
  AFTERNOON.

* IMPACTS...MAINLY TO TRANSPORTATION. ENHANCED BLOW OVER RISK 
  FOR LIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ALONG WYOMING 
  BOULEVARD ON THE SOUTH SIDE OF CASPER. DRIVERS OF SUCH 
  VEHICLES ARE ADVISED TO DELAY TRAVEL. 

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.

&&

$$

21
634 
WWUS75 KRIW 301251
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
551 AM MST SAT JAN 30 2016



WYZ019-020-301400-
/O.EXP.KRIW.HW.W.0004.000000T0000Z-160130T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
551 AM MST SAT JAN 30 2016

...HIGH WIND WARNING WILL EXPIRE AT 6 AM MST EARLY THIS MORNING...

A COLD FRONT WILL CONTINUE TO PUSH ACROSS THE AREA BETWEEN 6 AM
AND 7 AM WITH WINDS SHIFTING NORTH...ENDING THIS HIGH WIND EVENT.

$$

Nearby

High Wind Warnings in Wyoming, 2016Every high wind warning in 2016

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.