Utah, 2025Debris Flow in Utah, April 1, 2025
April 1, 2025 · NWS SLC · 1 event in 1 county or zone
A mudslide reached the road in Spanish Fork Canyon.
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- Deaths
- 0
- Injuries
- 0
- Property damage
- $1,000
- 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.
A mudslide reached the road in Spanish Fork Canyon.
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 Apr 1, 2:59 PM MST, 3 hours 1 minute earlier.
Area forecast discussion, Apr 1, 2:59 PM MST, 3 hours 1 minute before
Area Forecast Discussion
National Weather Service Salt Lake City UT
359 PM MDT Tue Apr 1 2025
.SYNOPSIS...Unsettled weather will continue across the region
through Friday. A warming and drying trend will begin over the
weekend into early next week.
&&
.SHORT TERM (THROUGH 00Z FRIDAY)...A mean longwave trough has become
established across the western CONUS this afternoon. Embedded within
this trough, several shortwave disturbances will continue to rotate
through the area. A shortwave trough currently moving through Utah,
combined with steep lapse rates owing to cold air aloft, has spawned
some snow showers this afternoon. These showers should wane this
evening as a weak shortwave ridge builds into the area. The heavier
showers could result in briefly impactful weather, although
additional accumulations will generally remain light. A few CAMs do
continue to produce some lake-effect precipitation southeast of the
GSL tonight, but the majority do not and local guidance only has up
to a 10% chance of occurrence.
The next impactful disturbance is currently noted over the NorCal
coast. This shortwave trough will rotate southeast along the Sierra
Nevada tonight and along the UT/AZ border tomorrow. Although showers
will develop again tomorrow across much of the area, the greatest
coverage of showers and highest precipitation totals will occur
across southern Utah. Even across the south, however, generally sub-
advisory snow totals are expected, an inch or less in the valleys
and 2-5 inches in the mountains, with locally higher amounts along
higher peaks such as in the Tushars. Showers will continue on
Thursday as the trough remains in place, its axis cutting across
Utah. Again, showers will remain generally sub-advisory. However,
there is a potential for a deformation axis to set up which could
bring longer-duration precipitation and bump amounts up...something
to monitor.
.LONG TERM (After 00z Friday)...Precipitation is expected to
linger into Thursday evening in the central and southern Utah
mountains as a deep trough slowly nudges eastward. The axis of said
trough translates through Arizona into New Mexico Friday into
Saturday, maintaining a threat of Friday afternoon convective snow
showers in the higher elevations throughout the CWA. Upper level
winds shift to a northeasterly direction for Friday night into
Saturday, promoting a slight chance of upslope convection in the
central/S Utah mtn for Saturday afternoon.
As a high pressure ridge builds off the CA coast, Saturday's local
winds and cold advection from the departing trough will wrestle with
the drying airmass and solar heating to keep a lid on how fast
temperatures rise during the weekend. That said, by Sunday we should
see a return to normal temps across the region, rising to at least 5
degrees F above for the start of the workweek. Models lean toward a
weak shortwave moving through N Utah/SW Wyoming Monday evening into
Tuesday,slowing the warming trend and offering minimal
accumulations.
After the passage of this system, ensemble clusters and global
deterministic models show a building and deepening high pressure
ridge through the week, maintaining a dry airmass and further
increasing temps. A glance at the CPC 8-14 day outlook confirms this
solution, with temps likely above normals and precip likely below
for the period.
&&
.AVIATION...KSLC...VFR conditions will prevail, although scattered
snow showers will be capable of lowering conditions into MVFR range
through around 03Z. Northwest winds will last through around 03Z,
transitioning to southeast after. Mountain obscuration will last
through much of the TAF period, with dry conditions after 03Z, then
scattered snow showers after 18Z.
.REST OF UTAH AND SOUTHWEST WYOMING...VFR conditions will prevail
throughout, although scattered snow showers in southwest Wyoming and
northern Utah and isolated snow showers at KCDC and KBCE will be
capable of MVFR conditions. Snow showers will taper off around 03Z.
Clouds will continue to bring mountain obscuration through the TAF
period, with isolated to scattered snow showers after 18Z.
&&
.SLC WATCHES/WARNINGS/ADVISORIES...
UT...Winter Weather Advisory until 6 PM MDT this evening for UTZ108.
Winter Weather Advisory until 8 PM MDT this evening for
UTZ110>113-117.
WY...Winter Weather Advisory until 6 PM MDT this evening for WYZ021.
&&
Cheng/Verzella/Wilson
For more information from NOAA's National Weather Service
visit... http://weather.gov/saltlakecityIn the hours before
Local storm report, Apr 1, 3:12 PM MST, 2 hours 48 minutes before
Preliminary Local Storm Report
National Weather Service Salt Lake City UT
412 PM MDT Tue Apr 01 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0433 AM Snow Alta 40.58N 111.64W
04/01/2025 M9.0 Inch Salt Lake UT Mesonet
Alta - Collins - 9662 ft
0537 AM Snow Brighton 40.62N 111.59W
04/01/2025 M6.0 Inch Salt Lake UT Trained Spotter
Solitude - 8200 ft
0542 AM Snow Alta 40.57N 111.65W
04/01/2025 M7.0 Inch Salt Lake UT Trained Spotter
Snowbird - 8100 ft
0600 AM Snow Kaysville 41.05N 111.94W
04/01/2025 M0.3 Inch Davis UT Trained Spotter
0603 AM Snow Brighton 40.59N 111.58W
04/01/2025 M8.0 Inch Salt Lake UT Trained Spotter
Brighton Crest - 9500 ft
0609 AM Snow Alta 40.64N 111.64W
04/01/2025 M5.0 Inch Salt Lake UT Trained Spotter
Big Cottonwood Spruces - 7402 ft
0353 PM Snow Park City 40.61N 111.54W
04/01/2025 M14.0 Inch Summit UT Trained Spotter
Park City Mountain - 9300 ft
0619 AM Snow Park City 40.66N 111.57W
04/01/2025 M6.0 Inch Summit UT Trained Spotter
Canyons Village at Park City - 8800 ft
0247 PM Snow Sundance 40.37N 111.59W
04/01/2025 M6.0 Inch Utah UT Mesonet
Sundance Mid Mountain - 7450 ft
0637 AM Snow Nordic Vly 41.38N 111.78W
04/01/2025 M8.0 Inch Weber UT Mesonet
Powder Mountain - 7500 ft
0645 AM Snow Alta 40.59N 111.64W
04/01/2025 M7.5 Inch Salt Lake UT Trained Spotter
Alta Udot - 8799 ft
0700 AM Snow Bountiful 40.87N 111.85W
04/01/2025 M2.0 Inch Davis UT Trained Spotter
0700 AM Snow Oak City 39.37N 112.33W
04/01/2025 M2.0 Inch Millard UT Trained Spotter
0700 AM Snow Salt Lake City 40.79N 111.87W
04/01/2025 M2.8 Inch Salt Lake UT Trained Spotter
0700 AM Snow Logan 41.74N 111.86W
04/01/2025 M0.1 Inch Cache UT COOP Observer
0700 AM Snow Park City 41.26N 111.84W
04/01/2025 M2.6 Inch Weber UT COOP Observer
0700 AM Snow Hyrum 41.62N 111.83W
04/01/2025 M0.2 Inch Cache UT Trained Spotter
0700 AM Snow West Weber 41.24N 112.06W
04/01/2025 M0.1 Inch Weber UT Trained Spotter
0700 AM Snow Pleasant View 41.31N 112.00W
04/01/2025 M0.3 Inch Weber UT Trained Spotter
0700 AM Snow Fruit Heights 41.05N 111.91W
04/01/2025 M2.0 Inch Davis UT Trained Spotter
0700 AM Snow Beaver 38.28N 112.62W
04/01/2025 M0.6 Inch Beaver UT Trained Spotter
0700 AM Snow Clarkston 41.91N 112.05W
04/01/2025 M1.0 Inch Cache UT Trained Spotter
0700 AM Snow Taylorsville 40.65N 111.98W
04/01/2025 M0.5 Inch Salt Lake UT Trained Spotter
0700 AM Snow West Haven 41.18N 112.09W
04/01/2025 M0.1 Inch Weber UT Trained Spotter
0700 AM Snow Richmond 41.92N 111.82W
04/01/2025 M1.1 Inch Cache UT Trained Spotter
0730 AM Snow Vernon 40.08N 112.45W
04/01/2025 M3.0 Inch Tooele UT COOP Observer
0730 AM Snow Oakley 40.71N 111.30W
04/01/2025 M3.0 Inch Summit UT Trained Spotter
0740 AM Snow Lyman 41.32N 110.27W
04/01/2025 M3.5 Inch Uinta WY COOP Observer
0744 AM Snow Sandy 40.58N 111.89W
04/01/2025 M1.0 Inch Salt Lake UT Trained Spotter
0756 AM Snow Oak City 39.33N 112.33W
04/01/2025 M2.0 Inch Millard UT COOP Observer
0800 AM Snow Trenton 41.92N 111.91W
04/01/2025 M0.6 Inch Cache UT COOP Observer
0800 AM Snow Randolph 41.66N 111.19W
04/01/2025 M1.1 Inch Rich UT COOP Observer
0800 AM Snow Ogden 41.25N 111.94W
04/01/2025 M1.7 Inch Weber UT COOP Observer
0800 AM Snow Hanksville 38.26N 110.18W
04/01/2025 M2.6 Inch Wayne UT COOP Observer
0800 AM Snow South Weber 41.12N 111.92W
04/01/2025 M0.6 Inch Davis UT Trained Spotter
0800 AM Snow Richfield 38.58N 112.33W
04/01/2025 M3.0 Inch Sevier UT COOP Observer
0800 AM Snow Callao 39.89N 113.71W
04/01/2025 M0.2 Inch Juab UT COOP Observer
0800 AM Snow Heber City 40.46N 111.23W
04/01/2025 M7.5 Inch Wasatch UT Trained Spotter
0833 AM Snow Park City 40.68N 111.50W
04/01/2025 M4.6 Inch Summit UT Trained Spotter
0900 AM Snow Heber City 40.47N 111.40W
04/01/2025 M1.5 Inch Wasatch UT Trained Spotter
0900 AM Snow Loa 38.41N 111.64W
04/01/2025 M0.1 Inch Wayne UT COOP Observer
0900 AM Snow Eden 41.33N 111.82W
04/01/2025 M3.0 Inch Weber UT COOP Observer
0900 AM Snow Sandy 40.59N 111.85W
04/01/2025 M1.0 Inch Salt Lake UT Trained Spotter
0900 AM Snow West Jordan 40.59N 112.01W
04/01/2025 M1.7 Inch Salt Lake UT Trained Spotter
0930 AM Snow Tooele 40.53N 112.30W
04/01/2025 M2.0 Inch Tooele UT NWS Employee
0933 AM Snow Santaquin 39.98N 111.79W
04/01/2025 M5.0 Inch Utah UT Public
0945 AM Snow Cottonwood Hgts 40.59N 111.79W
04/01/2025 M3.5 Inch Salt Lake UT Trained Spotter
1000 AM Snow Brighton 40.60N 111.58W
04/01/2025 M10.0 Inch Salt Lake UT COOP Observer
1000 AM Snow Santaquin 39.96N 111.78W
04/01/2025 M4.5 Inch Utah UT COOP Observer
1000 AM Snow Logan 41.75N 111.83W
04/01/2025 M0.5 Inch Cache UT Trained Spotter
1101 AM Snow 2 E Bountiful 40.89N 111.84W
04/01/2025 M4.8 Inch Davis UT Public
1101 AM Snow Bountiful 40.90N 111.85W
04/01/2025 M5.0 Inch Davis UT NWS Employee
1214 PM Snow Salt Lake City 40.79N 111.87W
04/01/2025 M3.0 Inch Salt Lake UT NWS Employee
0217 PM Snow Alpine 40.47N 111.84W
04/01/2025 M3.0 Inch Utah UT NWS Employee
&&Debris Flow, Utah
- When
- April 1, 6:00 PM MST to 10:00 PM MST
- Where
- Utah County, 3.88 mi WNW of Mill Fork to 3.86 mi WNW of Mill Fork
- Cause
- Heavy Rain / Snow Melt
- Property damage
- $1,000
- Reported by
- Broadcast Media
- Coordinates
- 39.989, -111.369
A mud slide happened on U.S. 6 in Spanish Fork Canyon. No vehicles were involved, but both directions were closed for several hours for clean up.
- Debris Flow
- A fast-moving slurry of mud, rock and debris, usually on a slope soaked by heavy rain or stripped by a fire.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Winter Storm and Heavy Snow in South Dakota, April 1 to 3, 20252 deaths · 1 injured · 11 events
- Tornado and Hail in Missouri, April 1 to 2, 2025$100,000 · EF2 · 12 events
- Winter Weather in Pennsylvania, April 1, 2025$100,000 · 1 event
- Flash Flood and Hail in Kansas, April 1 to 2, 2025$30,000 · 1.5 in hail · 19 events
- Hail and Damaging Winds in Oklahoma, April 1 to 2, 20252.5 in hail · 40 events
- Drought in Texas, April 1 to 30, 202530 events
- Winter Storm and Winter Weather in Minnesota, April 1 to 3, 202530 events
- Drought in New Mexico, April 1 to 30, 202528 events
- Strong Wind in Puerto Rico, April 1 to 2, 2025$32,000 · 3 events
- Marine Thunderstorm Winds in North Atlantic Coastal Waters, April 1, 202527 events
- Tornadoes and Hail in Kansas, April 1 to 2, 20251.5 in hail · 24 events
- Dust Storm and High Wind in New Mexico, April 1, 202567 kt wind · 23 events
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: 1235794.