A vigorous trough brought strong winds and high elevation snows to portions of the state. 2 to 4 inches of snow fell above 7000 feet, and wind gusts above 60 mph were reported in some of the valleys.
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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.
A vigorous trough brought strong winds and high elevation snows to portions of the state. 2 to 4 inches of snow fell above 7000 feet, and wind gusts above 60 mph were reported in some of the valleys.
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 Apr 7, 8:35 PM MST, 3 hours 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 935 PM MDT SAT APR 7 2007 .SYNOPSIS...AN UPPER LEVEL WEATHER DISTURBANCE OVER NORTHERN NEVADA THIS EVENING WILL MOVE THROUGH NORTHERN UTAH EARLY SUNDAY. A SERIES OF WEAK WEATHER SYSTEM WILL FOLLOW FOR EARLY NEXT WEEK. && .DISCUSSION...VORTICITY LOBE MOVING EAST THROUGH WRN UTAH THIS EVENING STILL PRODUCING WEAK CONVECTION AT MIDEVENING. THE MOST ACTIVE AREA EXISTS OVER S/CNTRL UTAH...THOUGH EVEN THIS AREA HAS WEAKENED THE PAST COUPLE OF HOURS. EXPECTING LITTLE ADDITIONAL CONVECTION WITH THIS VORTICITY LOBE THE REST OF THE EVENING. VORTICITY MAX MOVING EAST THROUGH NW NV MAY HAVE A BIT MORE PUNCH AS IT MOVES INTO AND THROUGH NW UT LATER TONIGHT. ELEVATED CONVECTION COULD DEVELOP AS THE MID-LEVEL COLD POOL MOVES INTO NW UT FOR LATE TONIGHT THROUGH SUNDAY MORNING. HAVE UPPED POPS A BIT FOR THE NORTH THROUGH SUNDAY MORNING IN THE UPDATE ISSUED EARLIER THIS EVENING. A SERIES OF SHORTWAVES WILL RACE EAST THROUGH THE NRN ROCKIES/NRN GREAT BASIN EARLY NEXT WEEK. THESE FEATURES LOOK TO HAVE DECENT ENOUGH BAROCLINIC STRUCTURE TO GENERATE SOME PRECIP FOR THE FAR NRN ZONES MONDAY THROUGH MONDAY NIGHT. NEW GUIDANCE IN SO FAR DOES SUGGEST THAT A SECONDARY WAVE TUESDAY COULD BRING ANOTHER ROUND OF PRECIP TO THE NORTH BEFORE HEIGHTS BUILD AGAIN FOR TUESDAY NIGHT THROUGH WEDNESDAY. COLD UPPER TROUGH STILL SCHEDULED TO ARRIVE FOR THE LATTER HALF OF THE COMING WEEK. THIS FIRST COLD TROUGH WILL LIKELY BE FOLLOWED BY A SECOND SYSTEM LATE NEXT WEEKEND. && .AVIATION...THE COMBINATION OF A WEAK FRONT AND MID LEVEL INSTABILITY WILL GIVE THE SLC TERMINAL A 30 PERCENT CHANCE OF THUNDERSTORMS BETWEEN 10 AND 15Z SUNDAY MORNING. && .SLC WATCHES/WARNINGS/ADVISORIES... UT...NONE. WY...NONE. && CONGER/STRUTHWOLF FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
The Salt Lake City radar (KMTX), 34 km away, was scanning. The volume nearest the first event began at 07:29 UTC.
2 thunderstorm wind. Local standard time, as filed.
Outflow from a nearby thunderstorm was reported at Gunnison Island in the Great Salt Lake, with no damage reported.
Wind gust reported at Hat Island in 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, April 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: 25959, 25961.