1 tornado, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Northern Indiana wrote its last area forecast discussion before the first event at May 25, 2:05 AM EST, 8 hours 18 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTHERN INDIANA 205 AM EST FRI MAY 25 2001 SAME STORY AS PAST FEW DAYS WITH CUT-OFF LOW PRES COMBINED WITH S/W AND DAYTIME HEATING TO PRODUCE SHRA/TSRA. AT 06Z LO CENTERED NEAR PIA AND DRIFTING SLOLY E. MODELS CONT TO BE IN ALIGNMENT WITH LO AS IT MAKES A BIG CIRCLE THRU W GRT LKS TDY THRU SUN...THEN SHOVES OFF TO THE E ON MON AS MID/UPR RIDGE BLDS IN PLAINS. SCT SHRA/TSRA MOVG THRU C/E CWA EARLY THIS AM. REGENERATION AGAIN THIS AFTN/EVE WITH PARTIAL SS AS COLD POOL MOVS OVRHD /5H TEMPS AS LO AS M25 TO M28/. SAT AFTN MSTR AND INSTABILITY INDICES A LTL MORE FAVORABLE FOR TSRA AS TROF SWINGS THRU...THO MSTR SUPPLY STILL NOT GREAT. MOS TEMPS IN GOOD AGREEMENT IN W CWA WITH READINGS A DEG OR TWO LWR TDY THAN YDY AS CENTER OF COOL AIR ARRIVES WITH DRFTG LO. A LTL MORE MOS DISAGREEMENT IN E CWA...WL LEAN TWD COOLER MAV. .IWX...NONE. TAR
INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005- 015-016-024-025-251600- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTHERN INDIANA 500 AM EST FRI MAY 25 2001 LOW PRESSURE OVER NORTHERN ILLINOIS TODAY WILL BRING SCATTERED THUNDERSTORMS TO THE AREA THIS AFTERNOON. ALTHOUGH THE STRONGEST STORMS MAY PRODUCE SOME HAIL...WIDESPREAD SEVERE WEATHER IS NOT EXPECTED AND SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. THERE IS A POSSIBILITY OF COLD AIR FUNNELS TODAY. COLD AIR FUNNELS ARE USUALLY HARMLESS AND VERY RARELY TOUCH THE GROUND. HOWEVER...COLD AIR FUNNELS HAVE BEEN KNOWN TO BRIEFLY TOUCH DOWN AS SMALL...WEAK TORNADOES. IF YOU SEE A FUNNEL CLOUD TODAY...DO NOT PANIC BUT DO KEEP AN EYE ON IT FROM A SAFE DISTANCE. ALSO...WATERSPOUTS WILL BE POSSIBLE ALONG THE SHORES OF LAKE MICHIGAN TODAY.
The Northern Indiana radar (KIWX), 56 km away, was scanning. The volume nearest the first event began at 15:25 UTC.
1 tornado. Local standard time, as filed.
Brief touchdown in field near airline road. No damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2001Every state in 2001This day in weather historyThe tornado archive for Michigan, 2001Warnings in Michigan, May 2001
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5243010.