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Severe Storms; Fire Danger; and Strong Pacific Storms

More strong storms on tap for the Pacific Northwest this weekend. Heavy rains could produce flooding and mudslides. Saturday, a cold front moving into the central U.S. will bring potential for severe thunderstorms containing damaging winds, large hail, and isolated tornadoes; and localized flooding potential. Dry winds in southwestern California will keep fire weather threats high. Read More >

Scattered showers and thunderstorms developed during the mid-afternoon hours of Saturday, July 10th, and moved eastward throughout the evening. As the evening progressed, these storms formed into a linear structure which propagated eastward through the Sioux Falls area and into southwest Minnesota. Rainfall totals from this event ranged from an inch and a half to trace amounts throughout the region. The image and table below summarize the 24 hour precipitation totals from selected locations throughout the area.

Storm Total Precipitation July 10, 2010

The image above represents a multi-sensor precipitation estimation which is a product of the River Forecast Center. It makes use of rain gauge data, as well as radar estimated rainfall totals, to create a gridded estimation of rainfall totals across the area.

Listed below are selected rainfall totals from reporting stations across the area:

Location Rainfall
11 S White Lake 1.50"
White Lake 1.40"
7 WSW Parker 1.37"
Artichoke Lake 1.00"
3 ESE Sioux Falls 0.91"
Custer 0.87"
Lakefield, MN 0.78"
Marshall, MN 0.77"
Marion 0.74"
Sheldon, IA 0.58"
Orange City, IA 0.51"
Sheldon, IA 0.51"
Brookings 0.50"
4 WNW Sioux Falls 0.42"
Sioux Falls WFO 0.41"
Worthington, MN 0.39"
Hartford 0.37"
Sioux Falls Airport 0.35"
Windom, MN 0.34"
Pipestone, MN 0.30"
Sibley, IA 0.30"