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Overview

A historic storm system moved across the central United States March 12-14, 2019.  This storm system produced blizzard conditions, heavy rainfall, and severe storms. The rapid northward movement of warm air with this system led to extended periods of fog, but also rapid snow melt in the region. 

Snow melt and heavy rains have led to historic flooding in many portions of South Dakota, Iowa, and Nebraska.  Over 15 new crest level records were reported on rivers in the Sioux Falls forecast area from this event. 

In addition to heavy rain and snow melt, this storm system brought strong and prolonged high winds to the region. Sustained winds between 25 and 40 mph were common, with gusts between 50 and 60 mph.  A few gusts higher than 60 mph and even 70 mph were also reported. 

As colder air wrapped into this system, rain turned to snow, with ice accumulations up to a tenth of an inch near Huron and Chamberlain, and snow amounts of 1 to 4 inches in the local area. 

Image - Radar Loop
Radar Loop Of March Storm
Image Image Snowfall Snowfall
Two Day Precipitation Totals Peak Wind Gusts Total Snowfall Satellite View

Widespread heavy rains moved across the region, producing 1 to 3 inches of rain in many locations.  Here's an overview of rainfall totals from this storm system.

Radar Image Radar Image Radar Image
2 Day Precipitation Totals

72 Hour Precipitation Totals

Record Rainfall Amounts
6 ESE Baltic 3.15 1 NW Hartley 1.96 Marshall 1.65
Sioux Falls 14 NNE 3.14 Lakefield 2 NE 1.94 Huron 1.64
Bridgewater 3.13 4 SSE Hardwick 1.9 Worthington 1.62
Fedora 10s 3.04 Spirit Lake 1.9 Correctionville 1.6
9 NNE Fulton 3.04 Edgerton 1.89 Rock Valley 1.6
Clayton 3.02 Sioux Gateway Airport 1.88 1 NNE Round Lake 1.56
Yankton Municipal Airport 2.99 Luverne 1.87 4 W Hinton 1.55
1 ESE Vermillion 2.96 Mitchell Municipal Airport 1.86 Worthington Airport 1.54
Tyndall 2.83 6 NW Hinton 1.86 1 SW Sioux City 1.53
5 NNW Ethan 2.65 Rock Rapids 1.86 Brookings Municipal Airport 1.53
2 W Westfield 2.59 Pipestone 1.85 Brookings 1.52
Akron 2.56 Alton 1.85 Rock River Below Rock Rapids 1.51
1 NE Sioux Falls 2.55 4 SW Burke 1.83 Sioux Center 1.51
4 SE Olivet 2.51 3 SSE Lake Park 1.83 Huron Regional Airport 1.5
Sioux Falls Airport 2.49 Edgerton 1.82 3 SSW Hinton 1.48
3 SSW Sioux Falls 2.48 Linn Grove 1.82 2 NE Academy 1.47
Sioux Falls NWS 2.46 Cherokee 1.82 2 E Storm Lake 1.38
2 NE Crooks 2.46 Lake Andes RAWS 1.8 3 WSW Spencer 1.33
Pipestone 2.39 Sioux Center 1.78 2 NNW Le Mars 1.32
Sioux Falls Harmondon Park 2.37 7 WSW Platte 1.77 Spencer Municipal Airport 1.32
2 NNW Sioux Center 2.34 Sioux City Ang 1.77 3 SSE Lake Park 1.31
Alexandria 2.28 Marshall 0.6 S 1.75 3 NNE Parker 1.29
5 ESE Chester 2.28 Bonesteel 1.75 Chamberlain 1.28
Sheldon 2.27 James River 1.74 Le Mars Airport 1.26
5 E Flandreau 2.13 Pipestone 1.74 Sheldon Airport 1.16
Chester 2n 2.11 2 WSW Marshall 1.73 1 ESE North Sioux City 1.15
4 SSE Westfield 2.1 Spirit Lake 1.73 Sioux Falls-26mi.wnw 1.1
Tracy Airport 2.1 3 WNW Everly 1.73 Jackson Airport 1.06
Jasper 2.06 3 W Sioux Falls 1.72 Storden 0.95
Spirit Lake 2.04 2 N Vermillion 1.7 Cherokee Municipal Airport 0.94
Brookings 1.98 2 NNW Sioux City 1.7 Storm Lake Airport 0.87
    3 N Hawarden 1.67 Pipestone Airport 0.72


 

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