Alert archive / Wyoming / High Wind Warnings in 2014

High Wind Warning 21, NWS Riverton, WY

November 1, 2014Fremont County, Natrona County, Sweetwater County, Wyoming

NWS Riverton, WY issued this high wind warning at Nov 1, 2014, 8:21 AM MDT for Fremont County, Natrona County, Sweetwater County, Wyoming. It took effect at Nov 1, 2014, 1:00 PM MDT. It was in force for 7 hr. 1 report 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
Nov 1, 2014, 8:21 AM MDT (14:21 UTC)
In effect from
Nov 1, 2014, 1:00 PM MDT
Expired
Nov 1, 2014, 8:21 PM MDT
In force
7 hr
Issued by
NWS Riverton, WY

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

The radar

The Riverton/Lander radar (KRIW), 65 km from the middle of the area, began a volume at 14:21 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
Nov 1, 5:25 PM MDTNON-TSTM WND GST 68Lander, 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, 2.4 hours before the alert went out and 62 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 2014-11-01Temperature 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 2014-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 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
2319 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
129 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.

920 
WWUS75 KRIW 011421
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
821 AM MDT SAT NOV 1 2014

...HIGH WINDS ARE EXPECTED THIS AFTERNOON AND EVENING ACROSS 
SWEETWATER...SOUTHERN FREMONT AND NATRONA COUNTIES...

.AND APPROACHING LOW PRESSURE TROUGH AND UPPER LEVEL JET WILL MOVE
INTO WESTERN WYOMING THIS AFTERNOON PRODUCING HIGH WINDS ACROSS
SWEETWATER...SOUTHERN FREMONT AND NATRONA COUNTIES WELL INTO THE
EVENING HOURS.  SOUTHWEST WINDS OF 40 MPH WITH GUSTS TO 60 MPH ARE
EXPECTED. AS THE TROUGH PASSES THROUGH LATER THIS EVENING...THE WINDS
ARE EXPECTED TO DECREASE.  

WYZ019-020400-
/O.NEW.KRIW.HW.W.0021.141101T1900Z-141102T0400Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
821 AM MDT SAT NOV 1 2014

...HIGH WIND WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
MDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
MDT THIS EVENING. 

* SUMMARY AND TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP AROUND 1
  PM MDT AND CONTINUE THROUGH 10 PM MDT THIS EVENING. 

* WIND... SOUTHWEST WINDS OF 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED.

* IMPACTS...TRAVEL MAY BECOME HAZARDOUS FOR LIGHT WEIGHT AND HIGH
  PROFILE VEHICLES ON HIGHWAY 287 FROM BEAVER RIM TO MUDDY GAP.

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.

&&

$$

WYZ020-020400-
/O.NEW.KRIW.HW.W.0021.141101T1900Z-141102T0400Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
821 AM MDT SAT NOV 1 2014

...HIGH WIND WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
MDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
MDT THIS EVENING. 

* SUMMARY AND TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP AROUND 1
  PM MDT AND CONTINUE THROUGH 10 PM MDT THIS EVENING. 

* WIND... SOUTHWEST WINDS OF 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED.

* IMPACTS...TRAVEL MAY BECOME HAZARDOUS FOR LIGHT WEIGHT AND HIGH
  PROFILE VEHICLES ON HIGHWAYS 220 FROM MUDDY GAP TO
  CASPER...ALONG WYOMING BOULEVARD ON THE SOUTH SIDE OF CASPER AND
  ACROSS HIGHWAY 20 26 FROM HIGHLAND TO CASPER.

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.

&&

$$

WYZ028>030-020400-
/O.NEW.KRIW.HW.W.0021.141101T1900Z-141102T0400Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
821 AM MDT SAT NOV 1 2014

...HIGH WIND WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
MDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
MDT THIS EVENING. 

* SUMMARY AND TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP AROUND 1
  PM MDT AND CONTINUE THROUGH 10 PM MDT THIS EVENING. 

* WIND... SOUTHWEST WINDS OF 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED.

* IMPACTS...TRAVEL MAY BECOME HAZARDOUS FOR LIGHT WEIGHT AND HIGH
  PROFILE VEHICLES ON INTERSTATE 80 ACROSS SWEETWATER COUNTY...AND
  ALONG HIGHWAYS 28 191 AND 430.

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
1 follow-up statement
547 
WWUS75 KRIW 020221
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
821 PM MDT SAT NOV 1 2014


WYZ019-020-028>030-020330-
/O.CAN.KRIW.HW.W.0021.000000T0000Z-141102T0400Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-ROCK SPRINGS AND GREEN RIVER-
FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER...ROCK SPRINGS...
GREEN RIVER...WAMSUTTER
821 PM MDT SAT NOV 1 2014

...HIGH WIND WARNING IS CANCELLED...

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

WIDESPREAD HIGH WIND CONDITIONS ARE NO LONGER EXPECTED ACROSS THE
AREA. THEREFORE...THE HIGH WIND WARNING HAS BEEN CANCELLED. 

EXPECT AREAS OF SOUTHWEST WIND OF 20 TO 30 MPH WITH GUSTS 40 TO 45
MPH THROUGH MIDNIGHT. THERE WILL BE LULLS IN WIND SPEEDS AT TIMES.
MOTORISTS SHOULD STILL BE PREPARED FOR SUDDEN WIND GUSTS ON AREA
ROADS THIS EVENING. 

$$

Nearby

High Wind Warnings in Wyoming, 2014Every high wind warning in 2014

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.