An upper-level short-wave and mid-level front produced areas of light to moderate snow across far southeast South Dakota, northwest Iowa, and northeast Nebraska during the late evening of March 22nd into the early overnight hours of March 23rd. Stronger frontal forcing resulted in snow accumulations from 2 to 6 inches.
Every event with a place to put it; 2 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 FSD wrote it up.
An upper-level short-wave and mid-level front produced areas of light to moderate snow across far southeast South Dakota, northwest Iowa, and northeast Nebraska during the late evening of March 22nd into the early overnight hours of March 23rd. Stronger frontal forcing resulted in snow accumulations from 2 to 6 inches. In addition, thundersnow and periods of graupel were observed at times. Winds were relatively weak with this system, such that overall impacts were minimal.
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 Sioux Falls, SD wrote its last area forecast discussion before the first event at Mar 22, 5:51 PM CST, 3 hours 9 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
The CoCoRaHS observer 2.5 miles northwest of Ponca measured 2.3 inches of snow.
The CoCoRaHS observer 3.1 miles southwest of Hubbard measured 1.0 inch of snow and the COOP observer in Sioux City measured 2.0 inches of snow.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nebraska in 2023Every state in 2023This day in weather historyWarnings in Nebraska, March 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 2026-09-30. Each event’s entry at NCEI: 1089451, 1089457.