Alert archive / Wyoming / High Wind Watches in 2008

High Wind Watch 13, NWS Riverton, WY

December 23, 2008Fremont County, Natrona County, Sweetwater County, Wyoming

NWS Riverton, WY issued this high wind watch at Dec 23, 2008, 9:09 PM MST for Fremont County, Natrona County, Sweetwater County, Wyoming. It took effect at Dec 24, 2008, 11:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 23, 2008, 9:09 PM MST (04:09 UTC)
In effect from
Dec 24, 2008, 11:00 AM MST
Expired
Dec 24, 2008, 9:04 AM MST
In force
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 04:13 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 00:00Z, 4.2 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 00:00Z on 2008-12-24Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2008-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
1235 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
234 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 240409
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
909 PM MST TUE DEC 23 2008

...STRONG WIND POSSIBLE ACROSS CENTRAL WYOMING LATE WEDNESDAY
MORNING THROUGH CHRISTMAS DAY...

.A STRENGTHENING SOUTHWEST FLOW AHEAD OF A POWERFUL PACIFIC STORM
SYSTEM WILL BRING THE POSSIBILITY OF HIGH WIND ACROSS THE GREEN
AND RATTLESNAKE RANGES INTO THE CASPER AREA. THESE WINDS WILL
LIKELY ALSO CAUSE AREAS OF BLOWING SNOW AND LIMITED
VISIBILITY.

WYZ019-020-241800-
/O.NEW.KRIW.HW.A.0013.081224T1800Z-081226T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
909 PM MST TUE DEC 23 2008

...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON. 

SOUTHWEST WIND WILL INCREASE LATE WEDNESDAY MORNING ACROSS THE
AREA WITH SUSTAINED WIND OF 30 TO 40 MPH AND GUSTS NEAR 60 MPH
POSSIBLE LATE WEDNESDAY MORNING THROUGH CHRISTMAS DAY. THESE
STRONG WINDS WILL LIKELY INITIALLY CAUSE AREAS OF BLOWING SNOW
AND LIMITED VISIBILITY ACROSS THE AREA DURING THE DAY
WEDNESDAY.

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. STAY
TUNED TO NOAA ALL HAZARDS RADIO OR YOUR LOCAL MEDIA FOR UPDATES
TO THIS POSSIBILITY OF HIGH WINDS.  

$$

AEM
1 follow-up statement
000 
WWUS75 KRIW 241604
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
904 AM MST WED DEC 24 2008

...STRONG WINDS EXPECTED ACROSS CENTRAL WYOMING THIS AFTERNOON THROUGH
CHRISTMAS DAY...

.A STRENGTHENING SOUTHWEST FLOW AHEAD OF A POWERFUL PACIFIC STORM
SYSTEM WILL BRING HIGH WINDS ACROSS THE GREEN AND RATTLESNAKE
RANGES INTO THE CASPER AREA. THESE WINDS WILL LIKELY ALSO CAUSE
AREAS OF BLOWING SNOW AND LIMITED VISIBILITY.

WYZ019-250000-
/O.UPG.KRIW.HW.A.0013.081224T1800Z-081226T0000Z/
/O.NEW.KRIW.HW.W.0022.081224T1900Z-081226T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
904 AM MST WED DEC 24 2008

...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 5 PM MST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM MST
THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON ACROSS THE AREA WITH
SUSTAINED WIND OF 35 TO 45 MPH AND GUSTS NEAR 60 MPH THIS
AFTERNOON THROUGH CHRISTMAS DAY. THESE STRONG WINDS WILL LIKELY
INITIALLY CAUSE AREAS OF BLOWING SNOW AND LIMITED VISIBILITY
ACROSS THE AREA THIS AFTERNOON.

BRING INDOORS ANY LOOSE ITEMS. HIGHWAYS 220 WILL BE IMPACTED BY
THESE STRONG WINDS. IF OUT DRIVING IN THESE AREAS ANTICIPATE
DANGEROUS CROSS WINDS.

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

$$

WYZ020-250000-
/O.UPG.KRIW.HW.A.0013.081224T1800Z-081226T0000Z/
/O.NEW.KRIW.HW.W.0022.081224T1900Z-081226T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
904 AM MST WED DEC 24 2008

...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 5 PM MST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM MST
THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

SOUTHWEST WIND WILL INCREASE THIS AFTERNOON ACROSS THE AREA WITH
SUSTAINED WIND OF 35 TO 45 MPH AND GUSTS NEAR 60 MPH EXPECTED
THIS AFTERNOON THROUGH CHRISTMAS DAY. THESE STRONG WINDS WILL
LIKELY INITIALLY CAUSE AREAS OF BLOWING SNOW AND LIMITED
VISIBILITY ACROSS THE AREA THIS AFTERNOON.

BRING INDOORS ANY LOOSE ITEMS. WYOMING BOULEVARD WILL BE
ESPECIALLY VULNERABLE TO THESE STRONG WINDS AND LIMITED VISIBILITY
DUE TO BLOWING SNOW. IF OUT DRIVING IN THESE CONDITIONS ANTICIPATE
DANGEROUS CROSS WINDS.

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

$$

LIPSON

What forecasters said that day

The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Riverton, WY wrote its last area forecast discussion before this high wind watch went out at Dec 23, 4:21 PM MST, 4 hours 48 minutes earlier.

Area forecast discussion, Dec 23, 4:21 PM MST, 4 hours 48 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
421 PM MST TUE DEC 23 2008

.SHORT TERM...TONIGHT THROUGH FRIDAY
ONE MORE SHORTWAVE PINWHEELING AROUND THE BACKSIDE OF THE OPENING
UPPER LOW OVER NORTHEAST WYOMING WILL CONTINUE TO GIVE THE WESTERN
MTNS SOME LIGHT SNOW TONIGHT. AS THE UPPER LOW TRACKS EAST ACROSS
WY...THE NORTHERN PORTION OF THE CWA WILL SEE PERIODS OF LIGHT
SNOW THIS EVENING WITH LITTLE OR NO ADDITIONAL ACCUMULATION.

THEN THE NXT PACIFIC STORM SYSTEM WILL BEGIN TO IMPACT WESTERN
WYOMING DURING THE DAY WEDNESDAY. INITIALLY...STRONG ISENTROPIC
LIFT WILL PRODUCE STEADY LIGHT SNOW IN THE WEST WEDNESDAY. THEN
WEST SOUTHWESTERLY DIFFLUENT FLOW WILL INCREASE WITH CONTINUED
ISENTROPIC LIFT WITH 60 MPH SOUTHWEST WINDS BLOWING UP THE MOIST
THETA SURFACE WEDNESDAY NIGHT AND THURSDAY WITH SNOW HEAVY AT
TIMES CONTAINING WEDNESDAY NIGHT THROUGH THURSDAY. THEN ONE LAST
FINAL HEAVY SNOW BURST IS EXPECTED WITH THE TROUPA AND PACIFIC
COLD FRONT AND THE ASSOCIATED QG FORCING AS WELL AS JET
COUPLETING LATER THURSDAY. THE TIMING OF THE END OF THIS SNOW EVENT WILL
BE A BIT TRICKY. THE NAM AND THE ECMWF ARE PREFERRED WHICH BRING
THE TROUGH AXIS THROUGH A LITTLE AFTER 06Z THURSDAY NIGHT.
HOWEVER...THE SREF INDICATES THE DRY PUNCH COMING THROUGH AS EARLY
AS LATE THURSDAY AFTERNOON FROM THE WEST...SIMILAR TO YESTERDAYS
SNOW STORM. FOR NOW HAVE ISSUED A WINTER STORM WATCH FROM 01Z
THURSDAY THROUGH 13Z FRIDAY FOR WESTERN WY. SINCE THIS WEATHER
SYSTEM APPEARS TO HAVE STRONGER DYNAMICS THEN ITS PREDECESSOR AND
CONSIDERING THAT THIS LAST SYSTEM PRODUCED AS MUCH AS 2 FEET OF
SNOW IN SOME OF THE MOUNTAIN ZONES...NOT TO MENTION 16 INCHES IN
JAC...HAVE GONE WITH A SNOW TOTAL OF 2 TO 3 FEET IN THE SALTS/WY
RANGE AND THE WEST SLOPE OF THE WIND RIVER MOUNTAINS...15 TO 25
INCHES IN THE REST OF THE WESTERN MTNS...8 TO 15 INCHES IN THE
LOWER ELEVATIONS EXCEPT 6 TO 8 INCHES IN THE UPPER GREEN RVR
BASIN.

STRONG SOUTHWEST WINDS ARE EXPECTED WEDNESDAY THROUGH THURSDAY
MORNING AHEAD OF THIS APPROACHING WX SYSTEM FROM THE GREEN MTNS
THROUGH CASPER. NAM MOS INDICATES 32 KNOT SUSTAINED WINDS AT CPR WITH
30 KNOTS TYPICALLY INDICATING LOW END HIGH WIND EVENT CRITERIA.
LATER SHIFTS CAN LOOK AT THIS FURTHER. SOUTHWEST WINDS OF 20 TO 30
MPH WITH GUSTS TO 50 MPH ARE EXPECTED ON THE EAST SLOPE OF THE
WINDS AND THE ABSAROKAS WHICH WILL PRODUCE CONSIDERABLE BLOWING
AND DRIFTING.

.LONG TERM...FRIDAY NIGHT THROUGH WEDNESDAY
IMPRESSIVE CHRISTMAS DAY STORM WILL LINGER INTO FRIDAY WITH THE
UPPER LOW POTENTIALLY CLOSING OFF ACROSS SRN WYO OR NRN CO PER THE
PREFERRED ECMWF. HAVE INCREASED POPS ACROSS THE SOUTH AND CENTRAL
ZONES TO CHANCE CATEGORY AND WILL LET THE LATER SHIFTS SEE IF
THESE NEED TO BE INCREASED FURTHER. IF THE ECMWF VERIFIES ..MUCH
OF THE SERN HALF OF OUR AREA WILL SEE SNOW ON FRIDAY. EVEN
MONDAYS SYSTEM PRODUCED SNOW ACROSS MOST OF THIS AREA AND THE
FRIDAY SYSTEM HAS THE POTENTIAL TO PRODUCE EVEN MORE WIDESPREAD
SNOW. PATTERN THEN TRANSITIONS TO A STRONG...MOIST W TO NW FLOW
WITH GOOD OROGRAPHICS...ISENTROPIC UPGLIDE AND OCCASIONAL EMBEDDED
SHORTWAVES. INCREASED POPS BY SATURDAY TO LIKELY OUT WEST AND AT
LEAST IN THE MOUNTAINS THROUGH SUNDAY. HARD TO TIME THE ABSOLUTE
BEST TIME OF SNOW BUT THIS PATTERN IS VERY FAVORABLE FOR LONG
DURATION LIGHT SNOW WITH PERIODS OF MORE MODERATE OR EVEN HEAVY
SNOW. INCREASED POPS AS MUCH AS I COULD AND WILL CONTINUE THAT
TREND TONIGHT IF THE MODELS CONTINUE TO SHOW THIS PATTERN
DEVELOPING. FOR AREAS EAST OF THE DIVIDE...THE MAIN CHALLENGES
WILL BE TEMPERATURES AND WINDS. THE STRONG W TO NW FLOW WITH LEE
SIDE CYCLOGENESIS WILL LIKELY RESULT IN A WINDY TO VERY WINDY
EXTENDED PERIOD WITH HIGH WINDS POSSIBLE. FIRST HIGH WIND EVENT
MAY OCCUR AS EARLY AS FRIDAY NIGHT AND INTO SATURDAY ALONG THE
CODY FOOTHILLS AND ABSAROKA MOUNTAINS. STRONG MTN TOP WINDS...LEE
SIDE LOW AND IMPRESSIVE THERMAL GRADIENT ACROSS THE YELLOWSTONE
PLATEAU SHOULD PRODUCE STRONG GAP FLOW. WILL JUST HAVE TO WATCH
THE MTN WAVE POTENTIAL AS THE TIME DRAWS NEARER BUT IT WILL BE
WINDY. THE WIND CORRIDOR SHOULD ALSO PICK UP SATURDAY AND CONTINUE
INTO SUNDAY AS THE MID LEVEL FLOW BACKS ENOUGH TO LINE UP BETTER
WITH THE SURFACE GRADIENT. THE ECMWF IS SHOWING A FAIRLY STRONG
SHORTWAVE MOVING ACROSS MT ON TUESDAY WHICH WOULD PUSH A COLD
FRONT SWD ACROSS OUR ERN ZONES. WILL WATCH THIS OVER THE NEXT
NIGHT OR TWO. FOR NOW...HAVE INTRODUCE SOME LOW POPS ACROSS THE
NORTH AND CHANCE POPS IN THE BIG HORNS. TEMPERATURES WILL LIKELY
BUST OUT A DAY OR TWO IN THIS PERIOD...ESPECIALLY FOR AREAS
WITHOUT SNOW COVER EAST OF THE DIVIDE. DEFINITELY A CHANGE FROM
OUR ARCTIC AIR PATTERN OF THE PAST FEW WEEKS. IN SHORT...LOTS OF
SNOW OUT WEST WITH PERIODS OF WIND AND MILDER CONDITIONS EAST
EXCEPT FOR THAT CHANCE OF SNOW FRIDAY.

&&

.AVIATION...
LIGHT SNOW WILL TAPER OVER THE NORTH AND WEST THIS EVENING WITH CIGS
AND VSBYS IMPROVING.  THE NEXT STORM SYSTEM WILL APPROACH
WEDNESDAY...WITH CLOUDS LOWERING IN THE WEST IN THE LATE AFTERNOON.
LIGHT SNOW WILL DEVELOP IN THE AFTERNOON IN THE MOUNTAINS.
SOUTHWEST TO WEST WINDS WILL BECOME QUITE WINDY BETWEEN KRKS AND
KCPR WEDNESDAY.  SIGNIFICANT WINTER STORM IS FORECAST TO BRING HEAVY
SNOW TO WESTERN WYOMING WEDNESDAY NIGHT THROUGH CHRISTMAS DAY AND
NIGHT.

&&

.FIRE WEATHER...

&&

.RIW WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WATCH FROM WEDNESDAY EVENING THROUGH LATE THURSDAY
NIGHT FOR WYZ001-002-012>015-023>027.

&&

SHORT TERM...LIPSON
LONG TERM...SKRBAC
AVIATION...TWB
FIRE WEATHER...LIPSON
Hazardous weather outlook, Dec 23, 3:44 PM MST, 5 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
344 PM MST TUE DEC 23 2008

WYZ001>020-022>030-241300-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
344 PM MST TUE DEC 23 2008

...WINTER STORM WATCHES FOR MOST OF WESTERN WYOMING 6 PM CHRISTMAS
EVE THROUGH CHRISTMAS DAY THROUGH 6 AM FRIDAY MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ANOTHER MAJOR PACIFIC STORM SYSTEM WILL SPREAD SNOW INTO WESTERN
WYOMING LATE WEDNESDAY AFTERNOON WHICH WILL CONTINUE THROUGH
CHRISTMAS DAY INTO EARLY FRIDAY MORNING. SNOWFALL OF 15 TO 25 INCHES
IN THE MOUNTAINS IS LIKELY...WITH 2 TO 3 FEET POSSIBLE OVER THE SALT
RIVER...WYOMING AND WESTERN WIND RIVER RANGES.  THE WESTERN VALLEYS
COULD RECEIVE 8 TO 15 INCHES. SOUTHWEST TO WEST WINDS ARE EXPECTED AS
WELL PRODUCING BLOWING AND DRIFTING SNOW. SIGNIFICANT IMPACT TO
TRAVEL OVER WESTERN WYOMING IS HIGHLY LIKELY.

ANOTHER STORM SYSTEM WILL BRING YET ANOTHER ROUND OF SNOW TO THE FAR
WEST OVER THE WEEKEND. HOLIDAY TRAVELLERS SHOULD CHECK THE LATEST
FORECAST AND ROAD CONDITIONS BEFORE VENTURING OUT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

TEAM RIVERTON

In the hours before

Local storm report, Dec 23, 6:25 PM MST, 2 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
725 PM MDT TUE DEC 23 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1237 PM     HEAVY SNOW       BONDURANT 4NW           43.24N 110.46W
12/22/2008  M12.00 INCHES    SUBLETTE           WY   PUBLIC

1238 PM     SNOW             SMOOT                   42.62N 110.91W
12/22/2008  M5.00 INCHES     LINCOLN            WY   TRAINED SPOTTER

1239 PM     HEAVY SNOW       ALPINE                  43.17N 111.01W
12/22/2008  M12.00 INCHES    LINCOLN            WY   PUBLIC

1240 PM     SNOW             CANYON RANGER STATION   44.73N 110.49W
12/22/2008  M5.50 INCHES     YELLOWSTONE        WY   CO-OP OBSERVER

1242 PM     HEAVY SNOW       OLD FAITHFUL RANGER STATION44.45N 110.83W
12/22/2008  M7.00 INCHES     YELLOWSTONE        WY   SPOTTER-GOV.

0100 PM     HEAVY SNOW       JACKSON 5.3 NW          43.53N 110.82W
12/22/2008  M12.20 INCHES    TETON              WY   TRAINED SPOTTER

0109 PM     SNOW             PINEDALE                42.86N 109.86W
12/22/2008  M5.00 INCHES     SUBLETTE           WY   PUBLIC

0341 PM     HEAVY SNOW       MOOSE 2N                43.68N 110.73W
12/22/2008  M10.50 INCHES    TETON              WY   TRAINED SPOTTER

0341 PM     SNOW             MILLS                   42.84N 106.38W
12/22/2008  M1.30 INCHES     NATRONA            WY   TRAINED SPOTTER

0348 PM     HEAVY SNOW       BONDURANT 3ENE          43.21N 110.35W
12/22/2008  M12.00 INCHES    SUBLETTE           WY   TRAINED SPOTTER

0454 PM     SNOW             PINEDALE 0.9 N          42.87N 109.86W
12/22/2008  M5.00 INCHES     SUBLETTE           WY   TRAINED SPOTTER

0454 PM     SNOW             PINEDALE 1N             42.87N 109.86W
12/22/2008  M5.00 INCHES     SUBLETTE           WY   TRAINED SPOTTER

0511 PM     SNOW             CASPER 5 W              42.88N 106.42W
12/22/2008  M2.00 INCHES     NATRONA            WY   TRAINED SPOTTER

0840 PM     HEAVY SNOW       JACKSON                 43.47N 110.75W
12/22/2008  M10.00 INCHES    TETON              WY   TRAINED SPOTTER

0906 PM     HEAVY SNOW       BOULDER 24 ESE          42.65N 109.26W
12/22/2008  E16.50 INCHES    SUBLETTE           WY   MESONET

            BIG SANDY OPENING SNOTEL

0906 PM     HEAVY SNOW       PINDALE 12 NNE          43.01N 109.76W
12/22/2008  E15.00 INCHES    SUBLETTE           WY   MESONET

            ELKHART PARK G.S. SNOTEL

0907 PM     HEAVY SNOW       GUNSIGHT PASS SNOTEL    43.38N 109.88W
12/22/2008  E10.50 INCHES    SUBLETTE           WY   MESONET

            GUNSIGHT PASS SNOTEL

0907 PM     HEAVY SNOW       KENDALL RANGER STATION SNOTEL43.25N 110.02W
12/22/2008  E16.50 INCHES    SUBLETTE           WY   MESONET

            KENDALL RANGER STATION SNOTEL

0907 PM     HEAVY SNOW       BONDURANT 14 E          43.17N 110.14W
12/22/2008  E15.00 INCHES    SUBLETTE           WY   MESONET

            LOOMIS PARK SNOTEL

0908 PM     HEAVY SNOW       CORA 12 N               43.11N 109.95W
12/22/2008  E10.50 INCHES    SUBLETTE           WY   MESONET

            NEW FORK LAKE SNOTEL

0908 PM     SNOW             CROWHEART 14 W          43.28N 109.45W
12/22/2008  E4.50 INCHES     FREMONT            WY   MESONET

            COLD SPRINGS SNOTEL

0908 PM     HEAVY SNOW       LANDER 19 SSW           42.59N 108.90W
12/22/2008  E12.00 INCHES    FREMONT            WY   MESONET

            DEER PARK SNOTEL

0908 PM     HEAVY SNOW       LANDER 18 W             42.87N 109.09W
12/22/2008  E7.50 INCHES     FREMONT            WY   MESONET

            HOBBS PARK SNOTEL

0909 PM     SNOW             DUBOIS 6 WSW            43.50N 109.75W
12/22/2008  E4.50 INCHES     FREMONT            WY   MESONET

            LITTLE WARM SNOTEL

0909 PM     SNOW             LANDER 26 NW            43.03N 109.17W
12/22/2008  E4.50 INCHES     FREMONT            WY   MESONET

            ST. LAWRENCE ALT SNOTEL

0909 PM     HEAVY SNOW       ATLANTIC CITY 7 NW      42.57N 108.84W
12/22/2008  E10.50 INCHES    FREMONT            WY   MESONET

            SOUTH PASS SNOTEL

0911 PM     HEAVY SNOW       DUBOIS 25 NW            43.75N 110.06W
12/22/2008  E9.00 INCHES     TETON              WY   MESONET

            TOGWOTEE PASS SNOTEL

0911 PM     SNOW             LANDER 12 SW            42.70N 108.90W
12/22/2008  E4.50 INCHES     FREMONT            WY   MESONET

            TOWNSEND CREEK SNOTEL

0911 PM     SNOW             CASPER 8 S              42.73N 106.32W
12/22/2008  E4.70 INCHES     NATRONA            WY   MESONET

            CASPER MOUNTAIN SNOTEL

0911 PM     HEAVY SNOW       RENO HILL SNOTEL        42.57N 106.09W
12/22/2008  E6.00 INCHES     NATRONA            WY   MESONET

            RENO HILL SNOTEL

0913 PM     SNOW             MAYOWORTH 14 WNW        43.89N 107.06W
12/22/2008  E3.00 INCHES     JOHNSON            WY   MESONET

            BEAR TRAP MEADOW SNOTEL

0913 PM     SNOW             BARNUM 13 W             43.63N 107.18W
12/22/2008  E3.00 INCHES     WASHAKIE           WY   MESONET

            MIDDLE POWDER SNOTEL

0914 PM     SNOW             BUFFALO 14 WSW          44.26N 106.98W
12/22/2008  E3.00 INCHES     JOHNSON            WY   MESONET

            HANSEN SAWMILL SNOTEL

0915 PM     HEAVY SNOW       CANYON 1 WSW            44.72N 110.51W
12/22/2008  E6.00 INCHES     YELLOWSTONE        WY   MESONET

            CANYON SNOTEL

0915 PM     HEAVY SNOW       SOUTH ENTRANCE 5 N      44.21N 110.67W
12/22/2008  E18.00 INCHES    YELLOWSTONE        WY   MESONET

            LEWIS LAKE DIVIDE SNOTEL

0915 PM     HEAVY SNOW       PAHASKA 10 W            44.48N 110.16W
12/22/2008  E10.50 INCHES    YELLOWSTONE        WY   MESONET

            SYLVAN LAKE SNOTEL

0915 PM     SNOW             PAHASKA 4 WSW           44.48N 110.04W
12/22/2008  E4.50 INCHES     YELLOWSTONE        WY   MESONET

            SYLVAN ROAD SNOTEL

0916 PM     HEAVY SNOW       OLD FAITHFUL 14 ESE     44.37N 110.58W
12/22/2008  E10.50 INCHES    YELLOWSTONE        WY   MESONET

            THUMB DIVIDE SNOTEL

0916 PM     HEAVY SNOW       MORAN JUNCTION 25 NE    44.15N 110.22W
12/22/2008  E10.50 INCHES    YELLOWSTONE        WY   MESONET

            TWO OCEAN PLATEAU SNOTEL

0916 PM     HEAVY SNOW       CLARK 21 W              44.94N 109.57W
12/22/2008  E12.00 INCHES    PARK               WY   MESONET

            BEARTOOTH LAKE SNOTEL

0916 PM     HEAVY SNOW       WAPITI 19 WSW           44.38N 109.79W
12/22/2008  E9.00 INCHES     PARK               WY   MESONET

            BLACKWATER SNOTEL

0917 PM     HEAVY SNOW       DUBOIS 11 N             43.70N 109.67W
12/22/2008  E9.00 INCHES     FREMONT            WY   MESONET

            BURROUGHS CREEK SNOTEL

0917 PM     HEAVY SNOW       PAHASKA 14 NE           44.65N 109.78W
12/22/2008  E9.00 INCHES     PARK               WY   MESONET

            EVENING STAR SNOTEL

0917 PM     SNOW             MEETEETSE 30 SW         43.86N 109.32W
12/22/2008  E4.50 INCHES     PARK               WY   MESONET

            KIRWIN SNOTEL

0917 PM     SNOW             CODY 18 SW              44.30N 109.24W
12/22/2008  E3.00 INCHES     PARK               WY   MESONET

            MARQUETTE SNOTEL

0917 PM     SNOW             THERMOPOLIS 40 W        43.66N 109.01W
12/22/2008  E3.00 INCHES     HOT SPRINGS        WY   MESONET

            OWL CREEK SNOTEL

0918 PM     HEAVY SNOW       PAHASKA 16 N            44.73N 109.91W
12/22/2008  E10.50 INCHES    YELLOWSTONE        WY   MESONET

            PARKER PEAK SNOTEL

0918 PM     SNOW             MEETEETSE 18 WSW        44.03N 109.18W
12/22/2008  E4.50 INCHES     PARK               WY   MESONET

            TIMBER CREEK SNOTEL

0918 PM     SNOW             CLARK 26 WSW            44.80N 109.66W
12/22/2008  E3.00 INCHES     PARK               WY   MESONET

            WOLVERINE SNOTEL

0919 PM     HEAVY SNOW       CODY 56 SW              43.93N 109.82W
12/22/2008  E9.00 INCHES     PARK               WY   MESONET

            YOUNTS PEAK SNOTEL

0920 PM     HEAVY SNOW       AFTON 8 SE              42.65N 110.81W
12/22/2008  E7.50 INCHES     LINCOLN            WY   MESONET

            COTTONWOOD CREEK SNOTEL

0920 PM     HEAVY SNOW       KEMMERER 26 N           42.15N 110.68W
12/22/2008  E7.50 INCHES     LINCOLN            WY   MESONET

            HAMS FORK SNOTEL

0920 PM     HEAVY SNOW       KEMMERER 36 N           42.30N 110.68W
12/22/2008  E13.50 INCHES    LINCOLN            WY   MESONET

            INDIAN CREEK SNOTEL

0921 PM     HEAVY SNOW       KELLEY RANGER STATION SNOTEL42.27N 110.81W
12/22/2008  E9.00 INCHES     LINCOLN            WY   MESONET

            KELLEY RANGER STATION SNOTEL

0921 PM     HEAVY SNOW       AFTON 19 SE             42.53N 110.66W
12/22/2008  E10.50 INCHES    LINCOLN            WY   MESONET

            SPRING CREEK DIVIDE SNOTEL

0921 PM     HEAVY SNOW       AFTON 15 S              42.51N 110.91W
12/22/2008  E10.50 INCHES    LINCOLN            WY   MESONET

            SALT RIVER SUMMIT SNOTEL

0921 PM     HEAVY SNOW       BIG PINEY 21 W          42.49N 110.53W
12/22/2008  E10.50 INCHES    SUBLETTE           WY   MESONET

            SNIDER BASIN SNOTEL

0922 PM     HEAVY SNOW       AFTON 17 E              42.76N 110.59W
12/22/2008  E12.00 INCHES    SUBLETTE           WY   MESONET

            TRIPLE PEAK SNOTEL

0922 PM     HEAVY SNOW       AFTON 8 NE              42.82N 110.84W
12/22/2008  E16.50 INCHES    LINCOLN            WY   MESONET

            WILLOW CREEK SNOTEL

0922 PM     HEAVY SNOW       BONDURANT 12 ESE        43.13N 110.20W
12/22/2008  E12.00 INCHES    SUBLETTE           WY   MESONET

            EAST RIM DIVIDE SNOTEL

0922 PM     HEAVY SNOW       MORAN JUNCTION 8 NNE    43.95N 110.45W
12/22/2008  E13.50 INCHES    TETON              WY   MESONET

            BASE CAMP SNOTEL

0923 PM     HEAVY SNOW       SOUTH ENTRANCE 8 W      44.13N 110.83W
12/22/2008  E24.00 INCHES    TETON              WY   MESONET

            GRASSY LAKE SNOTEL

0923 PM     HEAVY SNOW       ALTA 6 ENE              43.78N 110.93W
12/22/2008  E24.00 INCHES    TETON              WY   MESONET

            GRAND TARGHEE SNOTEL

0923 PM     HEAVY SNOW       BONDURANT 20 NE         43.39N 110.13W
12/22/2008  E9.00 INCHES     TETON              WY   MESONET

            GROS VENTRE SUMMIT SNOTEL

0924 PM     HEAVY SNOW       JACKSON 8 WNW           43.52N 110.91W
12/22/2008  E19.50 INCHES    TETON              WY   MESONET

            PHILLIPS BENCH SNOTEL

0924 PM     HEAVY SNOW       SOUTH ENTRANCE          44.13N 110.67W
12/22/2008  E15.00 INCHES    TETON              WY   MESONET

            SNAKE RIVER STATION SNOTEL

1150 PM     HEAVY SNOW       BONDURANT 19 SW         42.96N 110.61W
12/22/2008  E13.50 INCHES    LINCOLN            WY   MESONET

            BLIND BULL SUMMIT SNOTEL

0850 AM     HEAVY SNOW       BLIND BULL SUMMIT       42.97N 110.61W
12/23/2008  M18.00 INCHES    LINCOLN            WY   BTAVALANCHE

0850 AM     HEAVY SNOW       BOX Y RANCH             42.87N 110.71W
12/23/2008  M22.00 INCHES    LINCOLN            WY   BTAVALANCHE

0851 AM     SNOW             BROOKS LAKE LODGE       43.73N 110.01W
12/23/2008  M5.00 INCHES     FREMONT            WY   BTAVALANCHE

0851 AM     HEAVY SNOW       JACKSON HOLE MOUNTAIN RESORT-BASE43.58N 110.85W
12/23/2008  M16.00 INCHES    TETON              WY   BTAVALANCHE

0851 AM     HEAVY SNOW       JACKSON HOLE MOUNTAIN RESORT-MID43.59N 110.84W
12/23/2008  M18.00 INCHES    TETON              WY   BTAVALANCHE

0851 AM     HEAVY SNOW       JACKSON HOLE MOUNTAIN RESORT-RAYMER43.60N 110.85W
12/23/2008  M18.00 INCHES    TETON              WY   BTAVALANCHE

0851 AM     SNOW             TOGWOTEE MOUNTAIN LODGE 43.82N 110.18W
12/23/2008  M4.00 INCHES     TETON              WY   BTAVALANCHE

0852 AM     HEAVY SNOW       SNOW KING SKI AREA      43.46N 110.76W
12/23/2008  M25.00 INCHES    TETON              WY   PUBLIC

0852 AM     HEAVY SNOW       GRAND TARGHEE           43.78N 110.93W
12/23/2008  M20.00 INCHES    TETON              WY   PUBLIC

1009 AM     HEAVY SNOW       WHITE PINE BASE         42.97N 110.75W
12/23/2008  M15.00 INCHES    SUBLETTE           WY   WHITEPINE

1010 AM     HEAVY SNOW       CANYON RANGER STATION   44.73N 110.49W
12/23/2008  M9.50 INCHES     YELLOWSTONE        WY   SPOTTER-GOV.

1010 AM     HEAVY SNOW       EAST ENTRANCE RANGER STATION44.49N 110.00W
12/23/2008  M9.00 INCHES     YELLOWSTONE        WY   SPOTTER-GOV.

1010 AM     HEAVY SNOW       GRANT VILLAGE RANGER STATION44.39N 110.55W
12/23/2008  M6.50 INCHES     YELLOWSTONE        WY   SPOTTER-GOV.

1010 AM     HEAVY SNOW       LAKE RANGER STATION     44.55N 110.39W
12/23/2008  M8.00 INCHES     YELLOWSTONE        WY   SPOTTER-GOV.

1010 AM     SNOW             LAMAR RANGER STATION    44.89N 110.23W
12/23/2008  M5.70 INCHES     YELLOWSTONE        WY   SPOTTER-GOV.

1011 AM     HEAVY SNOW       MADISON RANGER STATION  44.64N 110.86W
12/23/2008  M6.00 INCHES     YELLOWSTONE        WY   SPOTTER-GOV.

1011 AM     HEAVY SNOW       SNAKE RIVER RANGER STATION44.13N 110.66W
12/23/2008  M17.50 INCHES    YELLOWSTONE        WY   SPOTTER-GOV.

1012 AM     HEAVY SNOW       TOWER FALLS RANGER STATION44.91N 110.42W
12/23/2008  M6.40 INCHES     YELLOWSTONE        WY   CO-OP OBSERVER

1018 AM     HEAVY SNOW       WEST ENTRANCE RANGER STATION44.65N 111.08W
12/23/2008  M11.50 INCHES    YELLOWSTONE        WY   SPOTTER-GOV.

1018 AM     SNOW             LOVELL 28 E             44.80N 107.84W
12/23/2008  E5.00 INCHES     BIG HORN           WY   MESONET

            BALD MOUNTAIN SNOTEL

1021 AM     SNOW             BUFFALO 24 SW           44.16N 107.13W
12/23/2008  E5.00 INCHES     WASHAKIE           WY   MESONET

            POWDER RIVER PASS SNOTEL

1028 AM     SNOW             AFTON 12.2 S            42.55N 110.88W
12/23/2008  M5.00 INCHES     LINCOLN            WY   TRAINED SPOTTER

1028 AM     HEAVY SNOW       MOOSE .4 S              43.65N 110.71W
12/23/2008  M12.00 INCHES    TETON              WY   TRAINED SPOTTER

1029 AM     SNOW             BOULDER                 42.72N 109.63W
12/23/2008  M3.50 INCHES     SUBLETTE           WY   PUBLIC

1029 AM     SNOW             LOVELL 2.4 SSW          44.80N 108.41W
12/23/2008  M3.30 INCHES     BIG HORN           WY   TRAINED SPOTTER

1030 AM     SNOW             TEN SLEEP 4.8 NNW       44.10N 107.45W
12/23/2008  M3.00 INCHES     WASHAKIE           WY   TRAINED SPOTTER

1031 AM     SNOW             PINEDALE 13.8 NW        42.98N 110.08W
12/23/2008  M4.20 INCHES     SUBLETTE           WY   TRAINED SPOTTER

1031 AM     HEAVY SNOW       JACKSON 12.3 NE         43.62N 110.62W
12/23/2008  M9.00 INCHES     TETON              WY   TRAINED SPOTTER

1033 AM     SNOW             BARNUM 5 NNW            43.73N 106.93W
12/23/2008  M2.00 INCHES     JOHNSON            WY   TRAINED SPOTTER

1033 AM     SNOW             BUFFALO 7.3 NE          44.41N 106.58W
12/23/2008  M1.50 INCHES     JOHNSON            WY   TRAINED SPOTTER

1034 AM     SNOW             BUFFALO 4.1 SSW         44.28N 106.73W
12/23/2008  M1.00 INCHES     JOHNSON            WY   TRAINED SPOTTER

1034 AM     SNOW             GREEN RIVER 0.2 WSW     41.51N 109.47W
12/23/2008  M1.50 INCHES     SWEETWATER         WY   TRAINED SPOTTER

1035 AM     SNOW             ROCK SPRINGS 0.7 WNW    41.60N 109.23W
12/23/2008  M1.30 INCHES     SWEETWATER         WY   TRAINED SPOTTER

1035 AM     SNOW             ROCK SPRINGS 0.6 W      41.58N 109.21W
12/23/2008  M0.80 INCHES     SWEETWATER         WY   TRAINED SPOTTER

1035 AM     SNOW             CODY 7.2 NNE            44.60N 108.97W
12/23/2008  M0.80 INCHES     PARK               WY   TRAINED SPOTTER

1036 AM     SNOW             CODY 2.4 WSW            44.51N 109.09W
12/23/2008  M0.50 INCHES     PARK               WY   TRAINED SPOTTER

1036 AM     SNOW             KAYCEE 17 NNW           43.93N 106.75W
12/23/2008  M0.50 INCHES     JOHNSON            WY   TRAINED SPOTTER

1037 AM     SNOW             POWELL 3.9 ENE          44.78N 108.68W
12/23/2008  M0.50 INCHES     PARK               WY   TRAINED SPOTTER

1038 AM     SNOW             CASPER 4.4 WSW          42.82N 106.39W
12/23/2008  M0.40 INCHES     NATRONA            WY   TRAINED SPOTTER

1114 AM     SNOW             GREYBULL                44.48N 108.05W
12/23/2008  M5.00 INCHES     BIG HORN           WY   TRAINED SPOTTER

1201 PM     SNOW             CRANDALL                44.75N 109.41W
12/23/2008  M3.00 INCHES     PARK               WY   PUBLIC

1201 PM     SNOW             FARSON                  42.11N 109.44W
12/23/2008  M3.00 INCHES     SUBLETTE           WY   PUBLIC

1201 PM     HEAVY SNOW       PAHASKA                 44.50N 109.97W
12/23/2008  M8.00 INCHES     PARK               WY   PUBLIC

1202 PM     HEAVY SNOW       SHELL                   44.54N 107.76W
12/23/2008  M6.20 INCHES     BIG HORN           WY   CO-OP OBSERVER

1202 PM     SNOW             THERMOPOLIS 9NE         43.75N 108.14W
12/23/2008  M0.40 INCHES     HOT SPRINGS        WY   CO-OP OBSERVER

0647 PM     SNOW             FOSSIL BUTTE            41.83N 110.77W
12/23/2008  M3.00 INCHES     LINCOLN            WY   CO-OP OBSERVER

0653 PM     SNOW             BOULDER REARING STATION 42.71N 109.69W
12/23/2008  M3.00 INCHES     SUBLETTE           WY   CO-OP OBSERVER

0654 PM     SNOW             CRANDALL CREEK          44.86N 109.64W
12/23/2008  M3.00 INCHES     PARK               WY   CO-OP OBSERVER

0655 PM     SNOW             TEN SLEEP 16SSE         43.81N 107.36W
12/23/2008  M1.40 INCHES     WASHAKIE           WY   CO-OP OBSERVER

0657 PM     HEAVY SNOW       THAYNE 1SE              42.90N 110.98W
12/23/2008  M17.90 INCHES    LINCOLN            WY   PUBLIC

0701 PM     SNOW             CASPER 1.6 S            42.80N 106.33W
12/23/2008  M1.20 INCHES     NATRONA            WY   TRAINED SPOTTER

0701 PM     SNOW             CASPER 2.7 NNE          42.86N 106.31W
12/23/2008  M1.50 INCHES     NATRONA            WY   TRAINED SPOTTER

0703 PM     SNOW             CODY 0.6 ESE            44.51N 109.04W
12/23/2008  M1.50 INCHES     PARK               WY   TRAINED SPOTTER

0703 PM     SNOW             MEETEETSE 0.1 NNE       44.15N 108.87W
12/23/2008  M1.50 INCHES     PARK               WY   TRAINED SPOTTER

0706 PM     SNOW             SUPERIOR 38.0 NW        42.17N 109.45W
12/23/2008  M2.00 INCHES     SWEETWATER         WY   TRAINED SPOTTER

0724 PM     HEAVY SNOW       SHELL 14 NE             44.68N 107.58W
12/23/2008  E6.00 INCHES     BIG HORN           WY   MESONET

            BONE SPRINGS DIVIDE SNOTEL

0724 PM     SNOW             GRAVE SPRINGS SNOTEL    43.47N 107.24W
12/23/2008  E3.00 INCHES     NATRONA            WY   MESONET

            GRAVE SPRINGS SNOTEL

0725 PM     HEAVY SNOW       SHELL 18 E              44.50N 107.43W
12/23/2008  E6.00 INCHES     BIG HORN           WY   MESONET

            SHELL CREEK SNOTEL

0725 PM     SNOW             BUFFALO 17 W            44.40N 107.06W
12/23/2008  E3.00 INCHES     JOHNSON            WY   MESONET

            CLOUD PEAK RESERVOIR SNOTEL

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 9:04 AM MSTHigh Wind WarningRIWFremont, Natrona, Sweetwater32 hr
Dec 24, 2:53 PM MSTHigh Wind WatchRIWSweetwater12 hr
Dec 24, 3:10 PM MSTWinter Storm WarningRIWBig Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more51 hr

Nearby

High Wind Watches in Wyoming, 2008Every high wind watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.