890
NWUS55 KSLC 101537
LSRSLC
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
937 AM MDT MON MAR 10 2025
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0300 PM AVALANCHE 5 ENE MARION 40.69N 111.20W
03/07/2025 SUMMIT UT PARK/FOREST SRVC
*** 1 FATAL ***
A REPORT OF A SKIER WHO FAILED TO RETURN
HOME BY 500 PM MST WAS RECEIVED BY SUMMIT
COUNTY DISPATCH ON THE EVENING OF THE EVENT
3/7. A SEARCH AND RESCUE OPERATION WAS
STARTED THAT EVENING, AND CREWS FOUND
EVIDENCE OF A RECENT SLIDE, BUT DUE TO
REPORTEDLY EXTREMELY HAZARDOUS CONDITIONS
THE CREWS HAD TO WAIT TO CONTINUE THE SEARCH
UNTIL THE FOLLOWING MORNING. SEARCH AND
RESCUE CREW ULTIMATELY FOUND THE BODY OF A
DECEASED 51 YEAR OLD MAN AT 1049 AM MST,
WITH A DETERMINATION THAT HE HAD BEEN CAUGHT
IN THE AVALANCHE ON A STEEP NORTHEAST ASPECT
OF HOYT PEAKS NE BOWL. A FORECASTER WITH THE
UTAH AVALANCHE CENTER STATED THAT WARM AND
STRONG SPRING SUNSHINE MAY HAVE BEEN A
CONTRIBUTING FACTOR TO REACTIVATE MULTIPLE
WEAK LAYERS BURIED BENEATH THE CURRENT
SNOWPACK. A NEARBY SNOTEL, BEAVER DIVIDE,
RECORDED 1.1 INCHES OF WATER FROM THE START
OF THE EVENT THROUGH 500 PM MST 3/7, WHICH
AT A REASONABLE 13 TO 1 SNOW TO LIQUID RATIO
WOULD EQUATE TO 14.3 INCHES OF SNOW. THE
CLOSEST SNOTEL, REDDEN MINE LWR, THROUGH THE
SAME TIME PERIOD RECORDED 2.5 INCHES OF
WATER, OR AT THE SAME RATIO APPROXIMATELY
32.5 INCHES OF SNOW. A STORM IN MID FEBRUARY
PRODUCED NEARLY 4 INCHES OF WATER, OR
APPROXIMATELY 36 INCHES OF HEAVY DENSE SNOW,
ALONG WITH HEAVY WINDS. EXACT TIME OF
AVALANCHE IS ESTIMATED.
STW
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