Severe Thunderstorm Outbreak Possible in the Upper Midwest on Monday

Multiple corridors of severe thunderstorms are expected across the Upper Midwest on Monday into Monday night, with a regional severe weather outbreak possible. The most dangerous period is likely during the late afternoon and evening when strong tornado potential should be maximized. Scattered large to very large hail and damaging winds are likely as well. Read More >

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Figure 5: ETA 12 Hour Forecast of 300 K isentropic surface,
wind and relative humidity valid 1200 UTC May 12, 1997.

Figure 6: ETA 18 Hour Forecast of 300 K isentropic surface,
wind and relative humidity valid 1800 UTC May 12, 1997.

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Severe Thunderstorm Outbreak Possible in the Upper Midwest on Monday

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