* WHAT…Southwest winds 15 to 20 knots with gusts up to 35
knots and waves 3 to 5 feet expected.
* WHERE…Michigan City IN to St Joseph MI.
* WHEN…From 5 PM Monday to 4 PM EDT Tuesday.
* IMPACTS…Conditions will be hazardous to small craft.
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SPC – No watches are valid as of Mon Apr 28 13:21:02 UTC 2025
No watches are valid as of Mon Apr 28 13:21:02 UTC 2025.
SPC – No MDs are in effect as of Mon Apr 28 13:21:02 UTC 2025
No Mesoscale Discussions are in effect as of Mon Apr 28 13:21:02 UTC 2025.
SPC Apr 28, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0737 AM CDT Mon Apr 28 2025 Valid 281300Z - 291200Z ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS FOR SOUTHERN MN...NORTHERN IA...AND WESTERN WI... ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM NORTH-CENTRAL AND WESTERN OK INTO THE TX BIG COUNTRY AND SOUTHWEST TX... ...SUMMARY... Multiple corridors of severe thunderstorms are expected across the Upper Midwest later today into tonight, with a regional severe weather outbreak possible. The most dangerous period is likely during the late afternoon and evening when strong tornado potential