Following a cold front that brought light snow to northern Utah, a lake-effect snow band formed over Tooele Valley and brought heavy snow there on the morning of December 14th.
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.
The episode as NWS SLC wrote it up.
Following a cold front that brought light snow to northern Utah, a lake-effect snow band formed over Tooele Valley and brought heavy snow there on the morning of December 14th.
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 Dec 14, 3:50 AM MST, 3 hours 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 350 AM MST FRI DEC 14 2007 .SYNOPSIS...A COLD WEATHER DISTURBANCE WILL MOVE SOUTHEAST ACROSS UTAH THIS MORNING. A SOMEWHAT MOIST WESTERLY FLOW ALOFT WILL FOLLOW OVER THE WEEKEND INTO EARLY NEXT WEEK. THE NEXT PACIFIC STORM SYSTEM TO IMPACT THE REGION IS EXPECTED LATE TUESDAY INTO WEDNESDAY. && .DISCUSSION...MID LEVEL TROUGH AXIS ANALYZED ACROSS UT THIS MORNING...WHILE UPSTREAM SHORTWAVE RIDGING NOTED JUST OFF PACIFIC COAST. SHORTWAVE TROUGH WHICH BROUGHT LIGHT SNOW TO NORTHERN UT THURS EVENING CONTINUES TO TRANSLATE SOUTHEAST NEAR THE FOUR CORNERS REGION. GSL LAKE SURFACE-700MB TEMP DIFFERENTIAL AND SUFFICIENT LOW LEVEL MOISTURE HAS ALLOWED FOR FAVORABLE ENVIRONMENT FOR CONVECTION TO DEVELOP ALONG CONVERGENCE AXIS EXTENDING ACROSS SOUTHERN END OF THE LAKE. CONVECTIVE BURSTS CONTINUE TO DEVELOP ALONG THIS AXIS AND SPREAD SOUTH ACROSS FAR WESTERN SALT LAKE COUNTY AND EASTERN TOOELE VALLEY. COLDEST AIR ALOFT /-32C AT 500MB AND -16C AT 700MB/ ACCOMPANIED BY BAND OF STRATUS CURRENTLY SPREADING INTO NORTHERN UT. 88-D IMAGERY AND SURFACE OBS INDICATE LITTLE MORE THAN FLURRIES FALLING FROM THIS STRATUS DECK...HOWEVER ENVIRONMENT WILL REMAIN FAVORABLE FOR CONVECTIVE SNOWFALL TO CONTINUE IMPACTING AREAS SOUTH OF THE GSL THROUGH MID MORNING. HAVE HELD ONTO GOING SNOW ADVISORIES FOR NOW...HOWEVER IF ADDITIONAL SNOWFALL FAILS TO MATERIALIZE AWAY FROM THE LAKE WILL LIKELY NEED TO DROP NORTHERN AND SOUTHERN WASATCH FRONT ZONES FROM ADVISORY. AS TROUGH BEGINS TO PULL AWAY FROM THE REGION LATE THIS MORNING...WARMING ALOFT SHOULD BRING AND END TO CONVECTIVE SNOWFALL POTENTIAL. 00Z MODEL GUIDANCE HAS TRENDED MUCH FURTHER NORTH WITH PROGRESSIVE SHORTWAVE TROUGH FOR SATURDAY...WITH BEST LIFT/COLD AIR ALOFT NOW FORECAST TO TRACK ACROSS NORTHERN ID. BAND OF MID CLOUD ASSOCIATED WITH OLD OCCLUDED FRONT SHOULD BE MAIN IMPACT TO FORECAST AREA...WITH ANY THREAT FOR PRECIPITATION LIKELY REMAINING CONFINED TO AREAS NEAR ID BORDER. OTHERWISE SNOW COVERED VALLEYS OF NORTHERN UT AND CENTRAL UT...INCLUDING THE WASATCH FRONT...LIKELY TO REMAIN UNDER THE INFLUENCE OF STRONG INVERSIONS OVER THE WEEKEND. GFS/EC BOTH GRAZE NORTHERN UT WITH ANOTHER PROGRESSIVE SHORTWAVE MONDAY...HOWEVER AGAIN BULK OF LIFT/COLD AIR LOOKS TO REMAIN NORTH OF THE AREA. BOTH GFS AND EC PUSH A MOIST PACIFIC SHORTWAVE THROUGH THE FORECAST AREA TUESDAY NIGHT INTO WEDNESDAY...AND HAVE RAISED POPS DURING THIS PERIOD ACCORDINGLY. SPREAD BETWEEN MODELS AND WITHIN ENSEMBLES INCREASES FOR THE LATTER HALF OF THE WEEK. HAVE RETAINED LOW POPS DURING THIS PERIOD AS BOTH EC AND GFS INDICATE ANOTHER MOIST SHORTWAVE IMPACTING THE REGION FRIDAY. && .AVIATION...BAND OF SNOW EXPECTED TO REMAIN WEST OF KSLC THIS MORNING...WITH A 20 PERCENT CHANCE OF LIGHT SNOW AND CEILINGS BELOW 2000 FEET TEMPORARILY SPREADING ACROSS THE TERMINAL. CEILINGS LIKELY TO FALL INTO THE 5-6 KFT RANGE FOR A TIME BETWEEN 11 AND 16Z. PREDOMINANT MVFR VISIBILITIES EXPECTED THROUGH 18Z...WITH A 30 PERCENT CHANCE VISIBILITY WILL IMPROVE TO VFR DURING THIS TIME. LIGHT NORTHERLY SURFACE WINDS EXPECTED TO PREVAIL WITH A 20 PERCENT CHANCE THEY CHANCE TO SOUTH FOR 1-2 HOURS EARLY THIS MORNING. && .SLC WATCHES/WARNINGS/ADVISORIES... UT...SNOW ADVISORY UNTIL 10 AM FRIDAY FOR UTZ002-UTZ003-UTZ004-UTZ005. WY...NONE. && SEAMAN FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 647 AM MST FRI DEC 14 2007 UTZ001>016-019>021-517-518-WYZ021-151300- 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- 647 AM MST FRI DEC 14 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF UTAH AND SOUTHWEST WYOMING. .DAY ONE...TODAY AND TONIGHT A BAND OF HEAVY SNOW WILL CONTINUE ACROSS THE TOOELE VALLEY THROUGH THE MORNING HOURS. SEE THE LATEST WINTER WEATHER STATEMENT FOR ADDITIONAL DETAILS. OTHERWISE SCATTERED SNOW SHOWERS WILL BE POSSIBLE ACROSS PORTIONS OF THE AREA TODAY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY VALLEY INVERSIONS WILL STRENGTHEN ACROSS THE REGION OVER THE WEEKEND AS WARMER AIR ALOFT SPREADS ACROSS THE AREA. A MOIST PACIFIC STORM SYSTEM IS EXPECTED TO IMPACT THE REGION TUESDAY NIGHT INTO WEDNESDAY...BRINGING A THREAT FOR ACCUMULATING SNOW TO MUCH OF THE OUTLOOK AREA. AN UNSETTLED PATTERN IS EXPECTED TO LINGER FOR THE LATTER HALF OF THE WEEK. .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)
1 heavy snow. Local standard time, as filed.
Stansbury Park received 7 inches of snow from the lake-effect band off the Great Salt Lake.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2007Every state in 2007This day in weather historyWarnings in Utah, December 2007
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: 68345.