Utah, 2014

Avalanche in Utah, March 7, 2014

March 7, 2014 · NWS SLC · 1 event in 1 county or zone

An avalanche in the Uinta Mountains of northeastern Utah resulted in the death of one snowmobiler.

The toll

Deaths
1
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS SLC wrote it up.

An avalanche in the Uinta Mountains of northeastern Utah resulted in the death of one snowmobiler.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Mar 7, 3:52 PM MST, 1 hour 8 minutes earlier.

Area forecast discussion, Mar 7, 3:52 PM MST, 1 hour 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
352 PM MST FRI MAR 7 2014

.SYNOPSIS...A PACIFIC STORM SYSTEM WILL GRADUALLY MOVE EAST OF
THE AREA TODAY. HIGH PRESSURE ALOFT WILL QUICKLY FOLLOW FOR THE
UPCOMING WEEKEND BRINGING WARM AND DRY CONDITIONS AREAWIDE. THE
NEXT PACIFIC STORM SYSTEM WILL CROSS THE REGION MONDAY NIGHT
THROUGH TUESDAY.

&&
.SHORT TERM (THROUGH 00Z MONDAY)...THE LAKE EFFECT PRECIPITATION
THAT BROUGHT RAIN AND SNOW TO AREAS SOUTH OF THE GREAT SALT LAKE
HAS DIMINISHED...LEAVING SHOWERY PRECIPITATION...MAINLY OVER THE
HIGHER TERRAIN...OF CENTRAL AND NORTHERN UTAH. THE PRECIPITATION
WILL WIND DOWN ACROSS THE FORECAST AREA THIS EVENING AS THE
INSTABILITY ASSOCIATED WITH AN UPPER LOW DECREASES AS THE SYSTEM
CONTINUES TO MOVE SOUTHEAST.

DOWNSLOPE WINDS WILL DEVELOP ACROSS CASTLE COUNTRY AND PRONE AREAS
OF WASHINGTON COUNTY THIS EVENING...WITH A FAVORABLE SURFACE
PRESSURE GRADIENT...COLD ADVECTION AT 700 MB...AND NORTHEASTERLY
WINDS ACROSS WASHINGTON COUNTY. WINDS WILL PERSIST INTO THE
MORNING HOURS...BUT WILL REMAIN BELOW ADVISORY LEVELS.

A WARMING...DRYING TREND WILL BRING MILD WEATHER TO THE FORECAST
AREA THIS WEEKEND...WITH HIGH TEMPERATURES ON SATURDAY 5 TO 10
DEGREES ABOVE NORMAL. HIGH CLOUDS WILL BEGIN TO INCREASE SUNDAY
AFTERNOON AHEAD OF A SYSTEM THAT WILL IMPACT THE STATE MONDAY.

.LONG TERM (AFTER 00Z TUESDAY)...THE GFS AND EC BOTH HAVE A
SIGNIFICANT TROUGH MOVING INTO THE GREAT BASIN REGION MONDAY THROUGH
TUESDAY BUT THE DETAILS ARE NOT SO MUCH IN STEP. THE TIMING IS
PRETTY MUCH IN UNISON ALTHOUGH THE GFS MAY BE A LITTLE FASTER. THE
GFS HAS THE 700MB BAROCLINIC ZONE SPLIT INTO TWO SEGMENTS WITH THE
LEADING ZONE AND ASSOCIATED SURFACE COLD FRONT MOVING ACROSS
NORTHERN UTAH MONDAY AFTERNOON WHILE THE SECOND BAROCLINIC ZONE
ASSOCIATED WITH THE COLD POOL ALOFT MOVES INTO NORTHERN UTAH ABOUT
MIDNIGHT MONDAY NIGHT. THE LEADING EDGE OF THE FIRST BAROCLINIC ZONE
WILL STRETCH FROM THE UINTA BASIN TO CEDAR CITY BY MIDNIGHT. AS IT
LOOKS NOW THERE WILL BE A HEALTHY BAND OF PRECIP WITH THE LEADING
BAROCLINC ZONE WITH SNOW IN THE MOUNTAINS AND RAIN IN THE VALLEYS.
WHEN THE SECOND BAROCLINIC ZONE MOVES THROUGH THIS WILL BRING SNOW
LEVELS TO THE VALLEY FLOOR MONDAY NIGHT ACROSS THE NORTHERN AND THE
WEST CENTRAL VALLEYS. THE EC SPREADS THE PRECIPITATION OUT EVENLY
DURING THIS PERIOD AND IT ALSO BRINGS COLD ENOUGH 700 MB TEMPS FOR
SNOW TO THE VALLEY FLOOR AS WELL.

THE TREND OF THE MODELS WITH THIS TROUGH IS A LITTLE STRONGER AND
FARTHER SOUTH BUT STILL THE EXTREME SOUTH APPEARS TO REMAIN DRY DUE
TO DOWNSLOPING NORTHERLY WINDS. THIS WILL BRING TEMPERATURES BELOW
NORMAL FOR NORTHERN UTAH FOR TUESDAY AND WEDNESDAY BUT THEY SHOULD
BOUNCE RIGHT BACK UP TO ABOVE NORMAL WEDNESDAY THROUGH FRIDAY.
HOWEVER THERE IS ONE FLY IN THE OINTMENT FOR LATE WEDNESDAY INTO
THURSDAY AS ENERGY THAT HAS DROPPED INTO THE BACK SIDE OF THE TROUGH
MAY END UP CREATING A CLOSED LOW OVER THE SOUTHWEST NEAR LAS VEGAS.
THE EC KEEPS IT AS AN OPEN WAVE AND TREKS IT SOUTHEAST ACROSS
ARIZONA. HOWEVER IF THE GFS IS RIGHT THEN THERE WILL BE A CHANCE FOR
AT LEAST MOUNTAIN SHOWERS OVER SOUTHERN UTAH THURSDAY. HAVE LEANED
TOWARD THE EC SOLUTION FOR NOW AS THE TREND HAS BEEN FOR
PROGRESSIVENESS IN THE PATTERN WHICH WOULD PREVENT THE LOW
FROM CLOSING OFF.

&&

.AVIATION...VFR CONDITIONS WILL PREVAIL AT THE SLC TERMINAL THROUGH
THE TAF PERIOD. NORTHWEST WINDS THIS AFTERNOON ARE LIKELY TO BECOME
MORE NORTHERLY THIS EVENING. ALTHOUGH THE WINDS ARE NOT EXPECTED TO
SHIFT TO THE SOUTHEAST UNTIL ABOUT 07-08Z...THERE IS A 20 PERCENT
CHANCE THEY WILL SHIFT AS EARLY AS 04-05Z.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...NONE.
WY...NONE.
&&

PUBLIC...HOSENFELD
AVIATION...STRUTHWOLF

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, Mar 7, 7:39 AM MST, 9 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
739 AM MST FRI MAR 7 2014

UTZ001>016-019>021-517-518-WYZ021-081445-
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-
739 AM MST FRI MAR 7 2014

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

.DAY ONE...TODAY AND TONIGHT

A LINGERING STORM SYSTEM ACROSS THE AREA WILL MAINTAIN RAIN AND
SNOW SHOWERS THROUGH THIS AFTERNOON...MOST NUMEROUS ACROSS THE
MOUNTAINS. ANY ACCUMULATING SNOW WILL REMAIN LIGHT...AND
GENERALLY CONFINED TO THE HIGHER TERRAIN.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

HIGH PRESSURE WILL STRENGTHEN ACROSS THE REGION FOR THE UPCOMING
WEEKEND BRINGING A WARMING AND DRYING TREND AREAWIDE.

THE NEXT PACIFIC STORM SYSTEM TO IMPACT THE OUTLOOK AREA IS
EXPECTED MONDAY THROUGH TUESDAY...BRINGING ANOTHER ROUND OF
MOUNTAIN SNOW TO THE OUTLOOK AREA. PRECIPITATION IN THE VALLEYS
IS EXPECTED TO BEGIN AS RAIN MONDAY...BUT MAY CHANGE OVER TO SNOW
TUESDAY AS COLDER AIR SPREADS INTO THE AREA.

.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 ROAD TRAVEL IMPACTS VISIT...
HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX

In the hours before

Local storm report, Mar 7, 1:15 PM MST, 3 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT...UPDATED
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
115 PM MST FRI MAR 7 2014

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

1000 AM     NON-TSTM WND GST SNOWBASIN               41.19N 111.87W
03/06/2014  M58 MPH          WEBER              UT   MESONET

            SNOWBASIN-STRAW TOP - 8999 FT

1100 AM     NON-TSTM WND GST BRIGHTON                40.61N 111.54W
03/06/2014  M58 MPH          SUMMIT             UT   MESONET

            PARK CITY - JUPITER - 10024 FT

0500 AM     SNOW             POWDER MTN              41.36N 111.71W
03/07/2014  M2.0 INCH        WEBER              UT   OFFICIAL NWS OB

            POWDER MOUNTAIN - 0 FT

0409 AM     SNOW             ALTA                    40.59N 111.64W
03/07/2014  M4.0 INCH        SALT LAKE          UT   TRAINED SPOTTER

            ALTA UDOT - 8799 FT

0413 AM     SNOW             BRIGHTON                40.62N 111.59W
03/07/2014  M4.0 INCH        SALT LAKE          UT   TRAINED SPOTTER

            SOLITUDE - 8200 FT

0430 AM     SNOW             ALTA                    40.58N 111.64W
03/07/2014  M5.0 INCH        SALT LAKE          UT   MESONET

            ALTA - COLLINS - 9662 FT

0440 AM     SNOW             PARK CITY               40.66N 111.57W
03/07/2014  M4.0 INCH        SUMMIT             UT   TRAINED SPOTTER

            THE CANYONS - 8800 FT

0535 AM     SNOW             BRIGHTON                40.64N 111.64W
03/07/2014  M2.0 INCH        SALT LAKE          UT   TRAINED SPOTTER

            BIG COTTONWOOD SPRUCES - 7402 FT

0600 AM     SNOW             ALTA                    40.57N 111.65W
03/07/2014  M4.0 INCH        SALT LAKE          UT   TRAINED SPOTTER

            SNOWBIRD - 8100 FT

0610 AM     SNOW             PARK CITY               40.61N 111.54W
03/07/2014  M3.0 INCH        SUMMIT             UT   TRAINED SPOTTER

            PARK CITY SUMMIT - 9300 FT

0646 AM     SNOW             BRIGHTON                40.59N 111.58W
03/07/2014  M5.0 INCH        SALT LAKE          UT   TRAINED SPOTTER

            BRIGHTON CREST - 9500 FT

0829 AM     SNOW             FAIRVIEW                39.64N 111.33W
03/07/2014  M5.2 INCH        SANPETE            UT   MESONET

0829 AM     SNOW             SOLDIER SUMMIT          39.93N 111.08W
03/07/2014  M4.0 INCH        UTAH               UT   MESONET

&&

Event by event

1 avalanche. Local standard time, as filed.

Avalanche, Western Uinta Mountains

When
March 7, 5:00 PM MST
Where
Western Uinta Mountains forecast zone
Deaths
1 direct, 0 indirect
Reported by
Other Federal Agency

Two brothers were snowmobiling in the Uinta Mountains, on a popular slope in Gold Hill Basin. One of them, a 39-year-old male, triggered an avalanche, which caught, carried, and buried him several feet deep in snow. The other brother was able to dig him out and attempt CPR, but the victim was pronounced dead at the scene.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Avalanche, Western Uinta Mountains2014-03-0739MaleOutside/Open AreasDirect

What these are

Avalanche
A mass of snow sliding down a mountainside that caused a death, an injury or damage.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Utah in 2014Every state in 2014This day in weather historyWarnings in Utah, March 2014

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 509004.