A series of weak disturbances resulted in light to moderate snow accumulations for much of the region to close out the month, with the highest amounts noted in the higher terrain. Additionally, the storm brought a period of anomalous cold as it departed.
Every event with a place to put it; 8 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 series of weak disturbances resulted in light to moderate snow accumulations for much of the region to close out the month, with the highest amounts noted in the higher terrain. Additionally, the storm brought a period of anomalous cold as it departed.
The national radar mosaic for the moment the first event began.
4 heavy snow, 4 extreme cold/wind chill. Local standard time, as filed.
Several SNOTEL stations including Parley's Summit, Lookout Peak, Monte Cristo, and Ben Lomond Peak recorded 0.9 to 2.8 inches of snow water equivalent, resulting in approximately 14 to 44 inches of snow.
Several SNOTEL stations including Thaynes Canyon, Brighton, and Mill-d North recorded 0.9 to 1.7 inches of snow water equivalent, resulting in approximately 14 to 27 inches of snow.
CoCoRaHS observers at locations including Thatcher, Bear River City 2.3 WNW, and Garland 1 SE reported between around 0.4 to 0.5 inches of snow water equivalent, resulting in approximately 8 to 12 inches of snow.
A combination of Coop observers, CoCoRaHS observers, and the public at locations such as Richmond, Providence, Logan Radio, and Hyrum reported 0.4 to 0.7 inches of snow water equivalent, resulting in approximately 6 to 13 inches of snow.
Mesonet observing stations reported widespread anomalous cold, with areal median 3-hour minimum wind chill values of approximately -20F. The coldest 3-hour running average noted was -29F at the Drainage Farm mesonet site.
Mesonet observing stations reported widespread anomalous cold, with areal median 3-hour minimum wind chill values of approximately -18F. The coldest 3-hour running average noted was -25F at the I-15 @ Plymouth mesonet site.
Mesonet observing stations reported widespread anomalous cold, with areal median 3-hour minimum wind chill values of approximately -30F. The coldest 3-hour running average noted was -45F at the Randolph mesonet site.
Mesonet observing stations reported widespread anomalous cold, with areal median 3-hour minimum wind chill values of approximately -1F. The coldest 3-hour running average noted was -12F at the West Mountain South mesonet site.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2023Every state in 2023This day in weather historyWarnings in Utah, January 2023
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 2026-10-01. Each event’s entry at NCEI: 1075913, 1075914, 1075911, 1075912, 1076202, 1076200, 1076203, 1076205.