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The May 15, 1998 Minnesota storms were several instances of severe thunderstorms that impacted much of Minnesota on May 15, 1998. A combination of tornadoes , downbursts and large hail combined to cause $1.5 billion (1998 USD) in damage across the state.
Severe storms brought damaging winds, heavy rain and a few reports of tornadoes to Minnesota, where one person died in a crash that authorities said was caused by downed power lines. Tens of ...
Severe thunderstorms are forecast to roll through the Midwest and the upper ... southwestern Wisconsin and southeastern Minnesota, ... the highest severe weather risk will be from 7 p.m. to 1 a.m ...
A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the scale from one to five, a high risk is a level five; thus, high risks are issued only when forecasters at the SPC are confident of a major severe weather outbreak.
The overall extent of severe weather on Sunday may be most impressive-perhaps reaching a dozen or more states, even though the peak intensity of the storms may be slightly less than that of Saturday.
The thunderstorms that would eventually spawn the tornadoes began forming in southeastern South Dakota around 2:00 pm. The first severe weather report of the outbreak was of 3 ⁄ 4 inch (19 mm) diameter hail 2 miles (3 km) south of Brandon, South Dakota. [5] Shortly thereafter the thunderstorms moved east across the border into Minnesota.
Other storms developed over central Minnesota near Interstate 94 but most activity missed the Twin Cities area. The supercells eventually reached the Wisconsin border later that evening and reformed into a squall line, rapidly ending the severe weather outbreak. Isolated tornado reports also occurred across Wisconsin and Iowa.
On Saturday night, a storm moved southeastward out of the northern Rocky Mountains sparked severe weather in parts of Minnesota. Hail up to the size of golf balls fell in some of the strongest ...