Alert archive / Wyoming / Winter Storm Watches in 2012

Winter Storm Watch 3, NWS Salt Lake City, UT

January 19, 2012Uinta County, Wyoming

NWS Salt Lake City, UT issued this winter storm watch at Jan 19, 2012, 3:44 PM MST for Uinta County, Wyoming. It took effect at Jan 20, 2012, 11:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 19, 2012, 3:44 PM MST (22:44 UTC)
In effect from
Jan 20, 2012, 11:00 PM MST
Expired
Jan 20, 2012, 2:57 PM MST
In force
Issued by
NWS Salt Lake City, UT

County Uinta County, WY

The radar

The Salt Lake City radar (KMTX), 159 km from the middle of the area, began a volume at 22:46 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

Salt Lake City I, UT (KSLC), launched 12:00Z, 10.7 hours before the alert went out and 127 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, Salt Lake City I, UT at 12:00Z on 2012-01-19Temperature 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, Salt Lake City I, UT at 12:00Z on 2012-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.1939587897Sfc1 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
1251 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
412 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.

428 
WWUS45 KSLC 192244
WSWSLC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
344 PM MST THU JAN 19 2012

WYZ021-200645-
/O.NEW.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
/O.CON.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
SOUTHWEST WYOMING-
INCLUDING THE CITY OF...EVANSTON
344 PM MST THU JAN 19 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY...
...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SUNDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
WINTER STORM WATCH...WHICH IS IN EFFECT FROM FRIDAY EVENING
THROUGH SUNDAY MORNING. A WINTER STORM WARNING FOR HEAVY SNOW AND 
STRONG WINDS REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY.

* AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON.

* SNOW ACCUMULATIONS: NEW SNOW AMOUNTS OF 2 TO 5 INCHES OVERNIGHT
  THROUGH FRIDAY MORNING. ADDITIONAL NEW SNOW AMOUNTS OF 3 TO 6
  INCHES ARE POSSIBLE FRIDAY NIGHT THROUGH SUNDAY MORNING. 

* TIMING: SNOW WILL DEVELOP THIS EVENING AND CONTINUE INTO FRIDAY
  MORNING BEFORE TAPERING OFF. SNOW IS EXPECTED TO START UP AGAIN
  FRIDAY NIGHT AND CONTINUE AT TIMES THROUGH SATURDAY NIGHT BEFORE
  TAPERING OFF SUNDAY MORNING.

* WINDS: OCCASIONAL SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS IN
  EXCESS OF 45 MPH. WINDS COULD BE STRONGER FOR A TIME SATURDAY
  AFTERNOON AND EVENING. 

* IMPACTS: THE COMBINATION OF STRONG WINDS AND SNOW TONIGHT AND
  FRIDAY MORNING WILL LIKELY PRODUCE CONSIDERABLE BLOWING AND
  DRIFTING OF SNOW...WITH REDUCED VISIBILITIES ALONG AREA ROADWAYS
  INCLUDING INTERSTATE 80. HAZARDOUS TRAVEL IS EXPECTED. SIMILAR
  IMPACTS ARE AGAIN EXPECTED WITH THE SNOW FRIDAY NIGHT THROUGH
  EARLY SUNDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A MIXTURE OF HEAVY SNOW AND STRONG
WINDS IS EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE
HAZARDOUS. USE CAUTION. BE PREPARED FOR SUDDEN RESTRICTIONS IN
VISIBILITY DUE TO BLOWING SNOW. KEEP A WINTER STORM SURVIVAL KIT
IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.WYOROAD.INFO OR DIAL 511.



&&

$$

UTZ006-200645-
/O.NEW.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
/O.CON.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
WASATCH MOUNTAIN VALLEYS-
INCLUDING THE CITIES OF...HUNTSVILLE...PARK CITY...HEBER CITY
344 PM MST THU JAN 19 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY...
...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SUNDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
WINTER STORM WATCH...WHICH IS IN EFFECT FROM FRIDAY EVENING
THROUGH SUNDAY MORNING. A WINTER STORM WARNING FOR HEAVY SNOW
REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY.

* AFFECTED AREA: THE WASATCH MOUNTAIN VALLEYS.

* SNOW ACCUMULATIONS: NEW SNOW AMOUNTS OF 3 TO 6 INCHES ARE
  EXPECTED TONIGHT. ADDITIONAL NEW SNOW AMOUNTS OF 5 TO 10 INCHES
  ARE POSSIBLE FRIDAY NIGHT THROUGH SUNDAY MORNING WITH THE
  AMOUNTS AT THE HIGHER END OF THE RANGE IN THE OGDEN VALLEY.

* TIMING: RAIN AND SNOW WILL REDEVELOP THIS EVENING AND SWITCH TO
  ALL SNOW OVERNIGHT. SNOW WILL CONTINUE INTO FRIDAY MORNING
  BEFORE TAPERING OFF. RAIN AND SNOW IS EXPECTED TO START UP AGAIN
  FRIDAY NIGHT THEN SWITCH TO SNOW ON SATURDAY AND CONTINUE INTO
  SATURDAY NIGHT. THE SNOW WILL TAPER OFF SUNDAY MORNING. 

* SNOW LEVELS: SNOW LEVELS ABOVE 7500 FEET EARLY THIS EVENING WILL
  LOWER TO NEAR 5000 FEET TONIGHT. SNOW LEVELS WILL RISE ABOVE
  7500 FEET AGAIN FRIDAY NIGHT THEN FALL TO ALL VALLEY FLOORS ON
  SATURDAY. 

* IMPACTS: LOCALLY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP
  TONIGHT AND CONTINUE FRIDAY MORNING. THIS COULD IMPACT THE
  FRIDAY MORNING COMMUTE. SNOW WILL AGAIN IMPACT TRAVEL FRIDAY
  NIGHT THROUGH EARLY SUNDAY. 

A WINTER STORM WARNING MEANS HEAVY SNOW IS EXPECTED OR OCCURRING.
DRIVING CONDITIONS MAY BE HAZARDOUS. USE CAUTION. BE PREPARED FOR
SUDDEN RESTRICTIONS IN VISIBILITY DUE TO BLOWING SNOW. KEEP A
WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV.


&&

$$

UTZ007>010-200645-
/O.NEW.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
/O.CON.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...ALTA...BRIGHTON...
MIRROR LAKE HIGHWAY...SCOFIELD
344 PM MST THU JAN 19 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY...
...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SUNDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
WINTER STORM WATCH...WHICH IS IN EFFECT FROM FRIDAY EVENING
THROUGH SUNDAY MORNING. A WINTER STORM WARNING FOR HEAVY SNOW AND
STRONG WINDS REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY.

* AFFECTED AREA: THE WASATCH AND WESTERN UINTA MOUNTAINS... 
  WASATCH PLATEAU AND BOOK CLIFFS. 

* SNOW ACCUMULATIONS: STORM TOTALS OF 1 TO 3 FEET THROUGH FRIDAY
  AFTERNOON WITH LOCALLY GREATER AMOUNTS. AN ADDITIONAL 1 TO 2
  FEET IS EXPECTED FRIDAY NIGHT THROUGH SUNDAY MORNING. 

* TIMING: SNOW IS EXPECTED TO BECOME WIDESPREAD AGAIN BY THIS
  EVENING THEN TAPER OFF AFTER NOON FRIDAY. SNOW WILL REDEVELOP
  FRIDAY NIGHT AND CONTINUE INTO SUNDAY MORNING BEFORE TAPERING
  OFF AGAIN. RAIN IS POSSIBLE UP TO 8500 FEET LATE FRIDAY NIGHT
  AND EARLY SATURDAY. 

* WINDS: OCCASIONAL MODERATE TO STRONG WESTERLY WINDS WILL
  CONTINUE THROUGH TONIGHT...WITH GUSTS IN EXCESS OF 55 MPH ALONG
  EXPOSED RIDGELINES. WINDS WILL DECREASE ON FRIDAY BUT PICK UP
  AGAIN EARLY SATURDAY. WINDS WILL DROP OFF EARLY SUNDAY. 

* IMPACTS: HEAVY SNOWFALL AND GUSTY WINDS WILL CONTINUE TO MAKE 
  TRAVEL VERY DIFFICULT AT TIMES THROUGH THE NORTHERN UTAH 
  MOUNTAINS. OCCASIONAL WHITE OUT CONDITIONS ARE POSSIBLE 
  THROUGH MIDDAY FRIDAY DUE TO A COMBINATION OF HIGH SNOWFALL 
  RATES AND AREAS OF BLOWING AND DRIFTING SNOW. AVALANCHE 
  DANGER WILL ALSO REMAIN ELEVATED DUE TO THESE WINTER STORM 
  CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A MIXTURE OF HEAVY SNOW AND STRONG
WINDS IS EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE
HAZARDOUS. USE CAUTION. BE PREPARED FOR SUDDEN RESTRICTIONS IN
VISIBILITY DUE TO BLOWING SNOW. KEEP A WINTER STORM SURVIVAL KIT
IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR A MIXTURE OF
SIGNIFICANT SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST
FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV.

&&

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... 
HTTP://WWW.COMMUTERLINK.UTAH.GOV/ROADWEATHERFORECAST.ASPX
4 follow-up statements
308 
WWUS45 KSLC 200549
WSWSLC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1049 PM MST THU JAN 19 2012

WYZ021-201200-
/O.CON.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
/O.CON.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
SOUTHWEST WYOMING-
INCLUDING THE CITY OF...EVANSTON
1049 PM MST THU JAN 19 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SUNDAY MORNING...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS REMAINS IN
EFFECT UNTIL 3 PM MST FRIDAY. A WINTER STORM WATCH REMAINS IN
EFFECT FROM FRIDAY EVENING THROUGH SUNDAY MORNING.

* AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON.

* SNOW ACCUMULATIONS: NEW SNOW AMOUNTS OF 1 TO 2 INCHES THROUGH
  FRIDAY MORNING. ADDITIONAL NEW SNOW AMOUNTS OF 3 TO 6 INCHES
  ARE POSSIBLE FRIDAY NIGHT THROUGH SUNDAY MORNING.

* TIMING: LIGHT SNOW LATE THIS EVENING WILL TURN HEAVIER FOR LATE
  TONIGHT THROUGH FRIDAY MORNING. SNOW WILL TAPER OFF BEGINNING
  LATE FRIDAY MORNING. SNOW IS EXPECTED TO START UP AGAIN FRIDAY
  EVENING...AND CONTINUE THROUGH SATURDAY NIGHT BEFORE TAPERING
  OFF SUNDAY MORNING.

* WINDS: OCCASIONAL SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS IN
  EXCESS OF 35 MPH THROUGH FRIDAY MORNING. STRONG SOUTHWEST WINDS
  WILL DEVELOP AGAIN FRIDAY NIGHT...AND REMAIN STRONG THROUGH
  SATURDAY. 

* IMPACTS: THE COMBINATION OF STRONG WINDS AND SNOW TONIGHT AND
  FRIDAY MORNING WILL LIKELY PRODUCE CONSIDERABLE BLOWING AND
  DRIFTING OF SNOW...WITH REDUCED VISIBILITIES ALONG AREA ROADWAYS
  INCLUDING INTERSTATE 80. HAZARDOUS TRAVEL IS EXPECTED. SIMILAR
  IMPACTS ARE EXPECTED WITH THE SNOW FRIDAY NIGHT THROUGH EARLY
  SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A MIXTURE OF HEAVY SNOW AND STRONG
WINDS IS EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE
HAZARDOUS. USE CAUTION. BE PREPARED FOR SUDDEN RESTRICTIONS IN
VISIBILITY DUE TO BLOWING SNOW. KEEP A WINTER STORM SURVIVAL KIT
IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.WYOROAD.INFO OR DIAL 511.

&&

$$

UTZ006-201200-
/O.CON.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
/O.CON.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
WASATCH MOUNTAIN VALLEYS-
INCLUDING THE CITIES OF...HUNTSVILLE...PARK CITY...HEBER CITY
1049 PM MST THU JAN 19 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SUNDAY MORNING...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 3
PM MST FRIDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY
EVENING THROUGH SUNDAY MORNING.

* AFFECTED AREA: THE WASATCH MOUNTAIN VALLEYS.

* SNOW ACCUMULATIONS: NEW SNOW AMOUNTS OF 1 TO 2 INCHES ARE
  EXPECTED OVERNIGHT...WITH ADDITIONAL ACCUMULATIONS OF 1 TO 3
  INCHES FRIDAY. NEW SNOW AMOUNTS FRIDAY NIGHT THROUGH SUNDAY
  MORNING WILL RANGE BETWEEN 5 TO 10 INCHES...WITH AMOUNTS AT THE
  HIGHER END OF THE RANGE IN THE OGDEN VALLEY.

* TIMING: LIGHT RAIN AND SNOW THIS EVENING WILL SWITCH TO SNOW
  AGAIN LATE TONIGHT. SNOW WILL CONTINUE INTO FRIDAY MORNING
  BEFORE TAPERING OFF. RAIN AND SNOW IS EXPECTED TO START UP AGAIN
  FRIDAY NIGHT THEN SWITCH TO SNOW ON SATURDAY AND CONTINUE INTO
  SATURDAY NIGHT. THE SNOW WILL TAPER OFF SUNDAY MORNING.

* SNOW LEVELS: SNOW LEVELS ABOVE 7500 FEET EARLY THIS EVENING WILL
  LOWER TO NEAR 5000 FEET LATE TONIGHT. SNOW LEVELS WILL RISE
  ABOVE 7500 FEET AGAIN FRIDAY EVENING...THEN FALL TO THE VALLEY
  FLOORS ON SATURDAY.

* IMPACTS: LOCALLY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP 
  TONIGHT AND CONTINUE FRIDAY MORNING. THIS COULD IMPACT THE 
  FRIDAY MORNING COMMUTE. SNOW WILL AGAIN IMPACT TRAVEL FRIDAY 
  NIGHT THROUGH EARLY SUNDAY.

A WINTER STORM WARNING MEANS HEAVY SNOW IS EXPECTED OR OCCURRING.
DRIVING CONDITIONS MAY BE HAZARDOUS. USE CAUTION. BE PREPARED FOR
SUDDEN RESTRICTIONS IN VISIBILITY DUE TO BLOWING SNOW. KEEP A
WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV.

&&

$$

UTZ007>010-201200-
/O.CON.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
/O.CON.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...ALTA...BRIGHTON...
MIRROR LAKE HIGHWAY...SCOFIELD
1049 PM MST THU JAN 19 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SUNDAY MORNING...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS REMAINS IN
EFFECT UNTIL 3 PM MST FRIDAY. A WINTER STORM WATCH REMAINS IN
EFFECT FROM FRIDAY EVENING THROUGH SUNDAY MORNING. 

* AFFECTED AREA: THE WASATCH AND WESTERN UINTA MOUNTAINS... 
  WASATCH PLATEAU AND BOOK CLIFFS. 

* SNOW ACCUMULATIONS: STORM TOTALS OF 1 TO 2 FEET WITH LOCALLY
  GREATER AMOUNTS THROUGH FRIDAY AFTERNOON. AN ADDITIONAL 1 TO 2
  FEET IS EXPECTED FRIDAY NIGHT THROUGH SUNDAY MORNING.

* TIMING: RAIN AND SNOW IS EXPECTED TO BECOME WIDESPREAD SNOW
  AGAIN AFTER MIDNIGHT...THEN TAPER OFF AFTER NOON FRIDAY. SNOW
  WILL REDEVELOP FRIDAY NIGHT AND CONTINUE INTO SUNDAY MORNING
  BEFORE TAPERING OFF AGAIN. RAIN IS POSSIBLE UP TO 8500 FEET LATE
  FRIDAY NIGHT AND EARLY SATURDAY.

* WINDS: OCCASIONAL MODERATE TO STRONG WESTERLY WINDS WILL 
  CONTINUE THROUGH TONIGHT...WITH GUSTS IN EXCESS OF 55 MPH 
  ALONG EXPOSED RIDGELINES. WINDS WILL DECREASE ON FRIDAY BUT 
  PICK UP AGAIN EARLY SATURDAY. WINDS WILL DROP OFF EARLY 
  SUNDAY.

* IMPACTS: HEAVY SNOWFALL AND GUSTY WINDS WILL CONTINUE TO MAKE 
  TRAVEL VERY DIFFICULT AT TIMES THROUGH THE NORTHERN UTAH 
  MOUNTAINS. OCCASIONAL WHITE OUT CONDITIONS ARE POSSIBLE 
  THROUGH MIDDAY FRIDAY DUE TO A COMBINATION OF HIGH SNOWFALL 
  RATES AND AREAS OF BLOWING AND DRIFTING SNOW. AVALANCHE 
  DANGER WILL ALSO REMAIN ELEVATED DUE TO THESE WINTER STORM 
  CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A MIXTURE OF HEAVY SNOW AND STRONG
WINDS IS EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE
HAZARDOUS. USE CAUTION. BE PREPARED FOR SUDDEN RESTRICTIONS IN
VISIBILITY DUE TO BLOWING SNOW. KEEP A WINTER STORM SURVIVAL KIT
IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR A MIXTURE OF
SIGNIFICANT SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST
FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV.

&&

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... 
HTTP://WWW.COMMUTERLINK.UTAH.GOV/ROADWEATHERFORECAST.ASPX
663 
WWUS45 KSLC 201117
WSWSLC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
417 AM MST FRI JAN 20 2012

UTZ006-201930-
/O.CAN.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
/O.CON.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
WASATCH MOUNTAIN VALLEYS-
INCLUDING THE CITIES OF...HUNTSVILLE...PARK CITY...HEBER CITY
417 AM MST FRI JAN 20 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE
WINTER STORM WARNING FOR HEAVY SNOW. A WINTER STORM
WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING.

* AFFECTED AREA: THE WASATCH MOUNTAIN VALLEYS.

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS TODAY WILL
  GENERALLY BE LESS THAN 1 INCH. NEW SNOW AMOUNTS LATE TONIGHT
  THROUGH SUNDAY MORNING WILL RANGE BETWEEN 5 TO 10 INCHES...WITH
  AMOUNTS AT THE HIGHER END OF THE RANGE IN THE OGDEN VALLEY.

* TIMING: PERIODS OF LIGHT RAIN AND SNOW WILL TAPER OFF BY EARLY
  THIS AFTERNOON. RAIN AND AND SNOW WILL REDEVELOP AGAIN LATE
  TONIGHT AND SWITCH TO SNOW ON SATURDAY AND CONTINUE INTO
  SATURDAY NIGHT. THE SNOW WILL TAPER OFF SUNDAY MORNING.

* SNOW LEVELS: SNOW LEVELS NEAR 6000 FEET THIS MORNING WILL RISE
  ABOVE 7000 FEET AGAIN TONIGHT...THEN FALL TO THE VALLEY FLOORS
  ON SATURDAY.

* IMPACTS: LOCALLY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP BY
  SATURDAY MORNING...IMPACTING TRAVEL THROUGH EARLY SUNDAY.

A WINTER STORM WARNING MEANS HEAVY SNOW IS EXPECTED OR OCCURRING.
DRIVING CONDITIONS MAY BE HAZARDOUS. USE CAUTION. BE PREPARED FOR
SUDDEN RESTRICTIONS IN VISIBILITY DUE TO BLOWING SNOW. KEEP A
WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

WYZ021-201930-
/O.CON.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
/O.CON.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
SOUTHWEST WYOMING-
INCLUDING THE CITY OF...EVANSTON
417 AM MST FRI JAN 20 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST THIS
AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN
EFFECT UNTIL 3 PM MST THIS AFTERNOON. A WINTER STORM WATCH
REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING. 

* AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON.

* SNOW ACCUMULATIONS: NEW SNOW AMOUNTS OF AROUND 1 INCH THROUGH
  THIS MORNING. ADDITIONAL NEW SNOW AMOUNTS OF 3 TO 6 INCHES ARE
  POSSIBLE LATE TONIGHT THROUGH SUNDAY MORNING.

* TIMING: PERIODS OF SNOW WILL CONTINUE THROUGH THE MORNING HOURS
  BEFORE TAPERING OFF. SNOW IS EXPECTED TO REDEVELOP AGAIN LATE
  TONIGHT...AND CONTINUE THROUGH SATURDAY NIGHT BEFORE TAPERING
  OFF SUNDAY MORNING.

* WINDS: STRONG SOUTHWEST WINDS OF 25 TO 30 MPH WITH GUSTS IN
  EXCESS OF 50 MPH WILL DEVELOP LATE TONIGHT...AND REMAIN STRONG
  THROUGH SATURDAY.

* IMPACTS: SNOW WILL CONTINUE TO IMPACT TRAVEL ALONG AREA ROADWAYS
  INCLUDING INTERSTATE 80 THROUGH THIS MORNING. THE COMBINATION OF
  STRONG WINDS AND SNOW LATE TONIGHT THROUGH SUNDAY MORNING WILL
  LIKELY PRODUCE CONSIDERABLE BLOWING AND DRIFTING OF SNOW...WITH
  REDUCED VISIBILITIES. HAZARDOUS TRAVEL IS EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT ACCUMULATIONS OF SNOW ARE
EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE HAZARDOUS. USE
CAUTION. KEEP A WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE
OF AN EMERGENCY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.WYOROAD.INFO OR DIAL 511.

&&

$$

UTZ007>010-201930-
/O.CON.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
/O.CON.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...ALTA...BRIGHTON...
MIRROR LAKE HIGHWAY...SCOFIELD
417 AM MST FRI JAN 20 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST THIS
AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 3
PM MST THIS AFTERNOON. A WINTER STORM WATCH REMAINS IN EFFECT FROM
THIS EVENING THROUGH SUNDAY MORNING.

* AFFECTED AREA: THE WASATCH AND WESTERN UINTA MOUNTAINS... 
  WASATCH PLATEAU AND BOOK CLIFFS. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES
  ARE EXPECTED THROUGH THIS AFTERNOON. ANOTHER 1 TO 2 FEET IS
  EXPECTED LATE TONIGHT THROUGH SUNDAY MORNING.

* TIMING: PERIODS OF SNOW WILL CONTINUE THIS MORNING...THEN TAPER
  OFF THIS AFTERNOON. SNOW WILL REDEVELOP LATE NIGHT AND CONTINUE
  INTO SUNDAY MORNING BEFORE TAPERING OFF AGAIN. RAIN IS POSSIBLE
  UP TO 7500 FEET LATE TONIGHT AND EARLY SATURDAY.

* WINDS: OCCASIONAL MODERATE TO STRONG WESTERLY WINDS WILL DEVELOP
  LATE TONIGHT AND INTO SATURDAY...WITH GUSTS IN EXCESS OF 60 MPH
  ALONG EXPOSED RIDGELINES. WINDS WILL DROP OFF EARLY SUNDAY.

* IMPACTS: HEAVY SNOWFALL AND GUSTY WINDS WILL MAKE TRAVEL VERY
  DIFFICULT AT TIMES THROUGH THE NORTHERN UTAH MOUNTAINS LATE
  TONIGHT THROUGH SUNDAY MORNING. OCCASIONAL WHITE OUT CONDITIONS
  ARE POSSIBLE ON SATURDAY DUE TO A COMBINATION OF HIGH SNOWFALL
  RATES AND AREAS OF BLOWING AND DRIFTING SNOW. AVALANCHE DANGER
  WILL ALSO REMAIN ELEVATED DUE TO THESE WINTER STORM CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT ACCUMULATIONS OF SNOW ARE
EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE HAZARDOUS. USE
CAUTION. KEEP A WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE
OF AN EMERGENCY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR A MIXTURE OF
SIGNIFICANT SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST
FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV.

&&

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... 
HTTP://WWW.COMMUTERLINK.UTAH.GOV/ROADWEATHERFORECAST.ASPX
794 
WWUS45 KSLC 201750
WSWSLC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1050 AM MST FRI JAN 20 2012

UTZ007>010-210200-
/O.CAN.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
/O.CON.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...ALTA...BRIGHTON...
MIRROR LAKE HIGHWAY...SCOFIELD
1050 AM MST FRI JAN 20 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE
WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS. A WINTER
STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY
MORNING.

* AFFECTED AREA: NORTHERN MOUNTAINS

* SNOW ACCUMULATIONS: ANOTHER 1 TO 2 FEET IS EXPECTED LATE
  TONIGHT THROUGH SUNDAY MORNING.

* TIMING: SNOW WILL REDEVELOP LATE NIGHT AND CONTINUE INTO SUNDAY
  MORNING BEFORE TAPERING OFF AGAIN. RAIN IS POSSIBLE UP TO 8000
  FEET LATE TONIGHT AND EARLY SATURDAY.

* WINDS: OCCASIONAL MODERATE TO STRONG WESTERLY WINDS WILL
  DEVELOP LATE TONIGHT AND INTO SATURDAY...WITH GUSTS IN 
  EXCESS OF 60 MPH ALONG EXPOSED RIDGELINES. WINDS WILL DROP 
  OFF EARLY SUNDAY.

* IMPACTS: HEAVY SNOWFALL AND GUSTY WINDS WILL MAKE TRAVEL
  DIFFICULT AT TIMES THROUGH THE NORTHERN UTAH MOUNTAINS LATE
  TONIGHT THROUGH SUNDAY MORNING. OCCASIONAL WHITE OUT CONDITIONS
  ARE POSSIBLE ON SATURDAY DUE TO A COMBINATION OF HIGH SNOWFALL
  RATES AND AREAS OF BLOWING AND DRIFTING SNOW. AVALANCHE DANGER
  WILL ALSO REMAIN ELEVATED DUE TO THESE WINTER STORM CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR A MIXTURE OF
SIGNIFICANT SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST
FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV.

&&

$$

WYZ021-210200-
/O.CAN.KSLC.WS.W.0001.000000T0000Z-120120T2200Z/
/O.CON.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
SOUTHWEST WYOMING-
INCLUDING THE CITY OF...EVANSTON
1050 AM MST FRI JAN 20 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE
WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS. A WINTER STORM
WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING.


* AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON

* SNOW ACCUMULATIONS: ADDITIONAL NEW SNOW AMOUNTS OF 3 TO 6
  INCHES ARE POSSIBLE LATE TONIGHT THROUGH SUNDAY MORNING.

* TIMING: SNOW IS EXPECTED TO REDEVELOP AGAIN LATE TONIGHT...AND
  CONTINUE THROUGH SATURDAY NIGHT BEFORE TAPERING OFF SUNDAY
  MORNING.

* WINDS: STRONG SOUTHWEST WINDS OF 25 TO 30 MPH WITH GUSTS IN 
  EXCESS OF 50 MPH WILL DEVELOP LATE TONIGHT...AND REMAIN 
  STRONG THROUGH SATURDAY.

* IMPACTS: THE COMBINATION OF STRONG WINDS AND SNOW LATE TONIGHT
  THROUGH SUNDAY MORNING WILL LIKELY PRODUCE CONSIDERABLE BLOWING
  AND DRIFTING OF SNOW...WITH REDUCED VISIBILITIES. HAZARDOUS
  TRAVEL IS EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND STRONG WINDS. CONTINUE TO MONITOR THE LATEST FORECASTS.

FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.WYOROAD.INFO OR DIAL 511.

&&

$$

UTZ006-210200-
/O.CON.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
WASATCH MOUNTAIN VALLEYS-
INCLUDING THE CITIES OF...HUNTSVILLE...PARK CITY...HEBER CITY
1050 AM MST FRI JAN 20 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...


* AFFECTED AREA: WASATCH MOUNTAIN VALLEYS

* SNOW ACCUMULATIONS: NEW SNOW AMOUNTS LATE TONIGHT THROUGH SUNDAY
  MORNING WILL RANGE BETWEEN 5 TO 10 INCHES... WITH AMOUNTS AT
  THE HIGHER END OF THE RANGE IN THE OGDEN VALLEY.

* TIMING: RAIN AND AND SNOW WILL REDEVELOP AGAIN LATE TONIGHT AND
  SWITCH TO SNOW ON SATURDAY AND CONTINUE INTO SATURDAY NIGHT. THE
  SNOW WILL TAPER OFF SUNDAY MORNING.

* SNOW LEVELS: SNOW LEVELS WILL RISE ABOVE 8000 FEET
  TONIGHT...THEN FALL TO THE VALLEY FLOORS ON SATURDAY.

* IMPACTS: LOCALLY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP BY 
  SATURDAY MORNING...IMPACTING TRAVEL THROUGH EARLY SUNDAY.


A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... 
HTTP://WWW.COMMUTERLINK.UTAH.GOV/ROADWEATHERFORECAST.ASPX
263 
WWUS45 KSLC 202157
WSWSLC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
257 PM MST FRI JAN 20 2012

UTZ006-202300-
/O.CAN.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
WASATCH MOUNTAIN VALLEYS-
INCLUDING THE CITIES OF...HUNTSVILLE...PARK CITY...HEBER CITY
257 PM MST FRI JAN 20 2012

...WINTER STORM WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE
WINTER STORM WATCH. 

A MIX OF RAIN AND SNOW IS LIKELY LATE TONIGHT AND THROUGH MUCH OF
SATURDAY BEFORE CHANGING TO ALL SNOW SATURDAY EVENING.
TOTAL ACCUMULATIONS ARE EXPECTED TO BE IN THE 2 TO 7 INCH RANGE
WITH MOST SNOWFALL ABOVE 6500 FEET.

$$

UTZ007>010-210600-
/O.UPG.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
/O.NEW.KSLC.WS.W.0002.120121T0600Z-120122T1800Z/
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...ALTA...BRIGHTON...
MIRROR LAKE HIGHWAY...SCOFIELD
257 PM MST FRI JAN 20 2012

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO
11 AM MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM 11 PM THIS EVENING TO 11 AM MST SUNDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA: NORTHERN MOUNTAINS

* SNOW ACCUMULATIONS: ANOTHER 1 TO 2 FEET IS EXPECTED LATE 
  TONIGHT THROUGH SUNDAY MORNING.

* TIMING: SNOW WILL REDEVELOP LATE NIGHT AND CONTINUE INTO SUNDAY MORNING
  BEFORE TAPERING OFF AGAIN. RAIN IS POSSIBLE UP TO 9000 FEET LATE
  TONIGHT AND EARLY SATURDAY.

* WINDS: OCCASIONAL MODERATE TO STRONG WESTERLY WINDS WILL 
  DEVELOP LATE TONIGHT AND INTO SATURDAY...WITH GUSTS IN 
  EXCESS OF 60 MPH ALONG EXPOSED RIDGELINES. WINDS WILL DROP 
  OFF EARLY SUNDAY.

* IMPACTS: HEAVY SNOWFALL AND GUSTY WINDS WILL MAKE TRAVEL 
  DIFFICULT AT TIMES THROUGH THE NORTHERN UTAH MOUNTAINS LATE 
  TONIGHT THROUGH SUNDAY MORNING. OCCASIONAL WHITE OUT 
  CONDITIONS ARE POSSIBLE ON SATURDAY DUE TO A COMBINATION OF 
  HIGH SNOWFALL RATES AND AREAS OF BLOWING AND DRIFTING SNOW. 
  AVALANCHE DANGER WILL ALSO REMAIN ELEVATED DUE TO THESE 
  WINTER STORM CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A MIXTURE OF HEAVY SNOW AND STRONG
WINDS IS EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE
HAZARDOUS. USE CAUTION. BE PREPARED FOR SUDDEN RESTRICTIONS IN
VISIBILITY DUE TO BLOWING SNOW. KEEP A WINTER STORM SURVIVAL KIT
IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF
TRANSPORTATION
VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV/ROADWEATHERFORECAST.ASPX.

&&



$$

WYZ021-210600-
/O.UPG.KSLC.WS.A.0003.120121T0600Z-120122T1800Z/
/O.NEW.KSLC.WS.W.0002.120121T1300Z-120122T1800Z/
SOUTHWEST WYOMING-
INCLUDING THE CITY OF...EVANSTON
257 PM MST FRI JAN 20 2012

...WINTER STORM WARNING IN EFFECT FROM 6 AM SATURDAY TO 11 AM MST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN
EFFECT FROM 6 AM SATURDAY TO 11 AM MST SUNDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON

* SNOW ACCUMULATIONS: ADDITIONAL NEW SNOW AMOUNTS OF 3 TO 6 
  INCHES ARE POSSIBLE LATE TONIGHT THROUGH SUNDAY MORNING.

* TIMING: SNOW IS EXPECTED TO REDEVELOP AGAIN LATE TONIGHT... AND
  CONTINUE THROUGH SATURDAY NIGHT BEFORE TAPERING OFF SUNDAY
  MORNING. THE SNOW MAY MIXED WITH RAIN FOR A TIME SATURDAY MORNING.

* WINDS: STRONG SOUTHWEST WINDS OF 25 TO 30 MPH WITH GUSTS IN 
  EXCESS OF 50 MPH WILL DEVELOP LATE TONIGHT...AND REMAIN 
  STRONG THROUGH SATURDAY.

* IMPACTS: THE COMBINATION OF STRONG WINDS AND SNOW LATE TONIGHT
  THROUGH SUNDAY MORNING WILL LIKELY PRODUCE CONSIDERABLE BLOWING
  AND DRIFTING OF SNOW...WITH REDUCED VISIBILITIES. HAZARDOUS
  TRAVEL IS EXPECTED ON AREA ROADS INCLUDING INTERSTATE 80.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A MIXTURE OF HEAVY SNOW AND STRONG
WINDS IS EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE
HAZARDOUS. USE CAUTION. BE PREPARED FOR SUDDEN RESTRICTIONS IN
VISIBILITY DUE TO BLOWING SNOW. KEEP A WINTER STORM SURVIVAL KIT
IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF
TRANSPORTATION VISIT...HTTP://WWW.WYOROAD.INFO OR DIAL 511.

&&

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... 
HTTP://WWW.COMMUTERLINK.UTAH.GOV/ROADWEATHERFORECAST.ASPX

What forecasters said that day

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

NWS Salt Lake City, UT wrote its last area forecast discussion before this winter storm watch went out at Jan 19, 10:04 AM MST, 5 hours 40 minutes earlier.

Area forecast discussion, Jan 19, 10:04 AM MST, 5 hours 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1004 AM MST THU JAN 19 2012

.SYNOPSIS...A RATHER MOIST WESTERLY FLOW PATTERN WILL REMAIN
LOCKED IN ON THE GREAT BASIN THROUGH THE WEEKEND. PERIODS OF
MODERATE TO HEAVY SNOW ARE EXPECTED IN THE NORTHERN MOUNTAINS
THROUGH SATURDAY...WITH RAIN AND SNOW FOR THE LOWER ELEVATIONS
HEADING INTO THE WEEKEND. WIDESPREAD SNOW WILL COVER MUCH OF THE
STATE LATE IN THE WEEKEND.

&&

.DISCUSSION...ABUNDANT MOISTURE REMAINS OVER NORTHERN AND CENTRAL
UTAH THIS MORNING WITH ZONAL FLOW. 12Z KSLC SOUNDING INDICATED PW
VALUES AROUND 0.60 INCHES...WHICH IS WELL OVER TWO STANDARD
DEVIATIONS ABOVE AVERAGE FOR THIS TIME OF YEAR. SNOW CONTINUES
OVER THE MOUNTAINS OF NORTHERN UTAH AND WILL PERSIST THROUGH THE
DAY...GETTING GENERALLY LIGHTER THROUGH THE EVENING. NORTHERN VALLEY
LOCATIONS WILL LIKELY SEE PERIODS OF LIGHT RAIN AS WELL. GOING
HEADLINES SEEM TO CAPTURE THE SITUATION WELL OVERALL. PRECIP LOOKS
TO BE ENDING OVER SOUTHWEST WYOMING THOUGH...AND MAY NEED TO
CANCEL THAT HEADLINE BY THE EARLY AFTERNOON.

RATHER ACTIVE WEATHER PATTERN IS PROGGED TO CONTINUE THROUGH EARLY
NEXT WEEK. THE NEXT IN A SERIES OF TROUGHS WILL PUSH THROUGH
NORTHERN UTAH OVERNIGHT...BRINGING A WEAKLY DEFINED FRONTAL
BOUNDARY THROUGH. 700 MB ARE EXPECTED TO DROP TO AROUND -6C OVER
NORTHERN UTAH...WHICH WOULD SUPPORT SOME SNOW MIXING IN WITH RAIN
IN VALLEY LOCATIONS. NAM BUFR SOUNDINGS ACTUALLY INDICATE WBZ
HEIGHTS CRASHING OVERNIGHT...ALLOWING FOR VALLEY SNOW.
HOWEVER...OTHER MODEL SOUNDINGS (GFS/ARW/RUC) KEEP VALLEY PRECIP
AS ALL RAIN...WITH SNOW POSSIBLY MIXING IN ON BENCH LOCATIONS.

BRIEF LULL IN THE PRECIP IS EXPECTED FRIDAY AFTERNOON AS WEAK
RIDGING BUILDS IN BEHIND THE EXITING WAVE...THOUGH PRECIP MAY NOT
TOTALLY SHUT OFF FOR THE NORTHERN MOUNTAINS. GLOBAL MODELS
INDICATE A MORE POTENT TROUGH WILL PUSH THROUGH THE ENTIRE
FORECAST AREA SATURDAY AFTERNOON THROUGH SUNDAY. MOISTURE IS
EXPECTED TO INCREASE SATURDAY MORNING WITH STRONG SOUTHWESTERLY
FLOW AHEAD OF THE SYSTEM. BOTH THE GFS AND THE EC INDICATE 700 MB
FLOW OVER SOUTHERN UTAH ABOVE 50 KTS...SO SURFACE WINDS COULD BE
QUITE GUSTY IF THESE MIX DOWN. FRONT IS PROGGED TO CROSS THE AREA
DURING THE AFTERNOON AND EVENING HOURS...AND 700 MB TEMPS IN THE
-12C TO -14C RANGE BY SUNDAY MORNING WOULD SUPPORT P-TYPE CHANGING
BACK OVER TO SNOW IN THE VALLEYS OF NORTHERN AND CENTRAL UTAH.

THE PRECIP WOULD TAPER OFF AGAIN SUNDAY AFTERNOON WITH HIGH
PRESSURE REDEVELOPING. HOWEVER...ANOTHER SYSTEM LOOKS TO MAKE ITS
WAY THROUGH THE FORECAST AREA ON MONDAY BEFORE MORE SUBSTANTIAL
RIDGING RETURNS TUESDAY...ACCORDING TO THE LATEST GUIDANCE.

&&

.AVIATION...CEILINGS DIRECTLY OVER THE SLC TERMINAL ARE EXPECTED TO
REMAIN AT OR SLIGHTLY ABOVE 6500FT THROUGH 23Z TODAY.
HOWEVER...CEILINGS ALONG THE WASATCH FRONT NORTH OF THE TERMINAL
WILL GENERALLY REMAIN AROUND 5000FT. SURFACE WINDS SHOULD PRIMARILY
REMAIN OUT OF THE SOUTH...BUT LIGHT AND VARIABLE WINDS ARE POSSIBLE
AT TIMES THROUGH THE DAY DUE TO NEARBY SHOWER ACTIVITY.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...WINTER STORM WARNING UNTIL 3 PM MST FRIDAY FOR UTZ007>010.

     WINTER STORM WARNING UNTIL 5 PM MST THIS AFTERNOON FOR UTZ006.

WY...WINTER STORM WARNING UNTIL 5 PM MST THIS AFTERNOON FOR WYZ021.

&&

PUBLIC...TRAPHAGAN
AVIATION...SCHOENING

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR FREQUENTLY ASKED QUESTIONS ABOUT THE AREA FORECAST DISCUSSION
VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY/GENERAL/AFD_FAQS.PHP (ALL LOWER CASE)
Hazardous weather outlook, Jan 19, 5:53 AM MST, 9 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
553 AM MST THU JAN 19 2012

UTZ001>016-019>021-517-518-WYZ021-201330-
CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT-
SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT-
GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS-
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL-
SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH-
UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH-
GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS-
SOUTHERN MOUNTAINS-SOUTHWEST WYOMING-
553 AM MST THU JAN 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF
UTAH AND SOUTHWEST WYOMING.

.DAY ONE...TODAY AND TONIGHT

A MOIST WESTERLY FLOW WILL PERSIST OVER THE AREA TODAY AND
TONIGHT. SIGNIFICANT SNOWFALL WILL CONTINUE ACROSS THE NORTHERN
MOUNTAINS THROUGH THE NIGHT. SNOW LEVELS HAVE RISEN ABOVE THE
VALLEY FLOORS...ALLOWING PRECIPITATION ALONG THE WASATCH FRONT AND
WEST DESERTS TO REMAIN AS RAIN. THE WASATCH MOUNTAIN VALLEYS WILL
SEE A MIX OF RAIN AND SNOW...WITH LOCAL AREAS CONTINUING TO SEE
ACCUMULATING SNOWFALL. SOUTHERN UTAH SHOULD REMAIN MOSTLY DRY AND
MILD.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

PRECIPITATION WILL CONTINUE...LOCALLY HEAVY AT TIMES...ACROSS
NORTHERN UTAH THROUGH FRIDAY WITH MOUNTAIN SNOW AND VALLEY RAIN.

AFTER A BRIEF BREAK LATE FRIDAY...ANOTHER STORM SYSTEM WILL MOVE
ACROSS THE AREA SATURDAY. THIS SYSTEM HAS THE POTENTIAL TO SPREAD
PRECIPITATION ACROSS THE ENTIRE OUTLOOK AREA. SIGNIFICANT MOISTURE
ASSOCIATED WITH THIS STORM COULD RESULT IN HEAVY PRECIPITATION FOR
THE MOUNTAINS AND NORTHERN VALLEYS. SNOW LEVELS SHOULD LOWER TO
THE VALLEY FLOORS ONCE AGAIN ON SATURDAY AFTERNOON BEHIND A COLD
FRONT.

ANOTHER COLDER STORM IS SET TO ARRIVE ON MONDAY BEFORE A DRIER
AND MORE STABLE AIRMASS FINALLY SPREADS BACK INTO THE REGION FOR
MIDWEEK.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT...
HTTP://WWW.COMMUTERLINK.UTAH.GOV/ROADWEATHERFORECAST.ASPX

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 19, 4:04 PM MSTHigh Wind WatchSLC23 hr

Nearby

Winter Storm Watches in Wyoming, 2012Winter Storm Watches in Utah, 2012Every winter storm watch in 2012

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.