Alert archive / Wyoming / High Wind Warnings in 2008

High Wind Warning 21, NWS Riverton, WY

December 12, 20084 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Dec 12, 2008, 8:40 PM MST for 4 counties in Wyoming. It took effect at Dec 13, 2008, 12:00 AM MST. It was in force for 12 hr. 8 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
Dec 12, 2008, 8:40 PM MST (03:40 UTC)
In effect from
Dec 13, 2008, 12:00 AM MST
Expired
Dec 13, 2008, 12:00 PM MST
In force
12 hr
Issued by
NWS Riverton, WY

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

What was reported inside it

TimeReportWhereRemark
Dec 13, 11:34 AM MSTHEAVY SNOW 10Lander 19 Ssw, WYDEER PARK SNOTEL
Dec 13, 11:35 AM MSTSNOW 2Lander 26 Nw, WYST. LAWRENCE ALT SNOTEL
Dec 13, 11:35 AM MSTSNOW 3Lander 12 Sw, WYTOWNSEND CREEK SNOTEL
Dec 13, 11:35 AM MSTSNOW 4Dubois 6 Wsw, WYLITTLE WARM SNOTEL
Dec 13, 11:35 AM MSTSNOW 4Lander 18 W, WYHOBBS PARK SNOTEL
Dec 13, 11:35 AM MSTHEAVY SNOW 10Atlantic City 7 Nw, WYSOUTH PASS SNOTEL
Dec 13, 11:37 AM MSTSNOW 2Dubois 11 N, WYBURROUGHS CREEK SNOTEL
Dec 13, 11:38 AM MSTSNOW 1Thermopolis 40 W, WYOWL CREEK SNOTEL

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 00:00Z, 3.7 hours before the alert went out and 30 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 2008-12-13Temperature 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 2008-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
2690 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
87 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.

000 
WWUS75 KRIW 130340
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
840 PM MST FRI DEC 12 2008

...STRONG WIND GUSTS LIKELY LATE TONIGHT AND SATURDAY MORNING...

.STRONG WINDS IN THE UPPER ATMOSPHERE ARE LIKELY TO MIX DOWN
ACROSS THE EAST SLOPES OF THE WIND RIVER MOUNTAINS AND SOUTHEAST
SLOPES OF THE ABSAROKA MOUNTAINS LATE TONIGHT THROUGH SATURDAY MORNING.
WIND GUSTS WILL SUBSIDE SATURDAY AFTERNOON AS AN ARCTIC COLD FRONT
PUSHES SOUTH ACROSS CENTRAL WYOMING.  

WYZ018-019-131400-
/O.NEW.KRIW.HW.W.0021.081213T0700Z-081213T1900Z/
LANDER FOOTHILLS-GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITIES OF...LANDER...JEFFREY CITY
840 PM MST FRI DEC 12 2008

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM MST
SATURDAY. 

STRONG DOWNSLOPE WINDS ARE EXPECTED TO MIX DOWN INTO THE LANDER
FOOTHILLS AND ACROSS THE GREEN MOUNTAINS LATE TONIGHT THROUGH
SATURDAY MORNING. OCCASIONAL WIND GUSTS OF 70 MPH ARE POSSIBLE
ESPECIALLY ACROSS THE HIGHER RIDGE TOPS WEST AND SOUTH OF THE TOWN
OF LANDER. AREAS OF STRONG DANGEROUS CROSSWIND WILL ALSO BE
ENCOUNTERED ALONG HIGHWAY 287 FROM THE JUNCTION OF HIGHWAY 26 TO
THE RAWLINS JUNCTION...AND ALONG HIGHWAY 28 FROM THE RAWLINS
JUNCTION TO THE RED CANYON AREA.

REMEMBER...A HIGH WIND WARNING MEANS HAZARDOUS WEATHER CONDITIONS
ARE IMMINENT OR HIGHLY LIKELY.

$$

WYZ005-007-131400-
/O.NEW.KRIW.HW.W.0021.081213T0700Z-081213T1900Z/
SOUTHWEST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS-
INCLUDING THE CITY OF...THERMOPOLIS
840 PM MST FRI DEC 12 2008

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM MST
SATURDAY. 

STRONG DOWNSLOPE WINDS ARE EXPECTED TO MIX DOWN ALONG AND WEST OF
HIGHWAY 120 FROM NEAR THE JUNCTION OF HIGHWAY 170 AND HAMILTON
DOME TO NEAR THE PARK COUNTY LINE SOUTH OF MEETEETSE...LATE
TONIGHT THROUGH SATURDAY MORNING. OCCASIONAL WIND GUSTS NEAR 70
MPH ARE POSSIBLE. AREAS OF STRONG DANGEROUS CROSSWIND WILL ALSO BE
ENCOUNTERED ALONG HIGHWAY 120. 

REMEMBER...A HIGH WIND WARNING MEANS HAZARDOUS WEATHER CONDITIONS
ARE IMMINENT OR HIGHLY LIKELY.

$$
2 follow-up statements
000 
WWUS75 KRIW 130825
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
125 AM MST SAT DEC 13 2008

...STRONG WIND GUSTS LIKELY THIS MORNING...

.STRONG WINDS IN THE UPPER ATMOSPHERE WILL CONTINUE MIX DOWN
ACROSS THE EAST SLOPES OF THE WIND RIVER MOUNTAINS AND SOUTHEAST
SLOPES OF THE ABSAROKA MOUNTAINS THIS MORNING. WIND GUSTS WILL
SUBSIDE THIS AFTERNOON AS AN ARCTIC COLD FRONT PUSHES SOUTH
ACROSS CENTRAL WYOMING.

WYZ018-019-131900-
/O.CON.KRIW.HW.W.0021.000000T0000Z-081213T1900Z/
LANDER FOOTHILLS-GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITIES OF...LANDER...JEFFREY CITY
125 AM MST SAT DEC 13 2008

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

STRONG DOWNSLOPE WINDS WILL CONTINUE TO MIX DOWN INTO THE LANDER
FOOTHILLS AND ACROSS THE GREEN MOUNTAINS THIS MORNING. OCCASIONAL
WIND GUSTS OF 70 MPH ARE POSSIBLE ESPECIALLY ACROSS THE HIGHER
RIDGE TOPS WEST AND SOUTH OF THE TOWN OF LANDER. AREAS OF STRONG
DANGEROUS CROSSWIND WILL ALSO BE ENCOUNTERED ALONG HIGHWAY 287
FROM THE JUNCTION OF HIGHWAY 26 TO THE RAWLINS JUNCTION...AND
ALONG HIGHWAY 28 FROM THE RAWLINS JUNCTION TO THE RED CANYON AREA.

REMEMBER...A HIGH WIND WARNING MEANS HAZARDOUS WEATHER CONDITIONS
ARE IMMINENT OR HIGHLY LIKELY.

$$

WYZ005-007-131900-
/O.CON.KRIW.HW.W.0021.000000T0000Z-081213T1900Z/
SOUTHWEST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS-
INCLUDING THE CITY OF...THERMOPOLIS
125 AM MST SAT DEC 13 2008

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

STRONG DOWNSLOPE WINDS WILL CONTINUE TO MIX DOWN ALONG AND WEST OF
HIGHWAY 120 FROM NEAR THE JUNCTION OF HIGHWAY 170 AND HAMILTON
DOME TO NEAR THE PARK COUNTY LINE SOUTH OF MEETEETSE THIS
MORNING. OCCASIONAL WIND GUSTS NEAR 70 MPH ARE POSSIBLE. AREAS OF
STRONG DANGEROUS CROSSWIND WILL ALSO BE ENCOUNTERED ALONG HIGHWAY
120.

REMEMBER...A HIGH WIND WARNING MEANS HAZARDOUS WEATHER CONDITIONS
ARE IMMINENT OR HIGHLY LIKELY.

$$
000 
WWUS75 KRIW 131912
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1212 PM MST SAT DEC 13 2008


WYZ005-007-018-019-132015-
/O.EXP.KRIW.HW.W.0021.000000T0000Z-081213T1900Z/
SOUTHWEST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS-
LANDER FOOTHILLS-GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITIES OF...THERMOPOLIS...LANDER...JEFFREY CITY
1212 PM MST SAT DEC 13 2008

...HIGH WIND WARNING HAS EXPIRED...

THE HIGH WIND WARNING IS NO LONGER IN EFFECT. 

WIND GUSTS ACROSS THE AREA OVER THE PAST FEW HOURS HAVE RANGED
FROM 30 TO 45 MPH FROM THE SOUTHWEST. THEREFORE...THE HIGH WIND
WARNING HAS BEEN ALLOW TO EXPIRE. 

$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 9:25 PM MSTWinter Storm WatchRIWBig Horn, Fremont, Hot Springs, Johnson, Natrona, Washakie15 hr
Dec 12, 9:25 PM MSTWinter Storm WarningRIWBig Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more24 hr
Dec 13, 12:06 PM MSTBlizzard WarningRIWJohnson10 hr

Nearby

High Wind Warnings in Wyoming, 2008Every high wind warning in 2008

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.