2 hail, 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 Grand Rapids, MI wrote its last area forecast discussion before the first event at May 5, 10:05 PM EST, 11 hours 35 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1105 PM EDT WED MAY 5 2004 .UPDATE... CURRENT WARM FRONT EXTENDS FROM A LOW IN NORTHEAST NEBRASKA SOUTHEAST ALONG THE MISSOURI RIVER. DEWPOINTS JUMP AROUND 10 DEGREES ONCE THE FRONT PASSES. SKIES ARE PT CLDY ACROSS THE UPPER MIDWEST. TSRA ARE BEGINNING TO DEVELOP IN THE UPPER MS VALLY NEAR THE COLD FRONT. TEMPS ARE THE MAIN CONCERN TONIGHT. IT WILL BE SEVERAL MORE HOURS BEFORE THE WARM FRONT PASSES THROUGH. GIVEN CURRENT TEMPS IN THE UPPER 40S TO LOWER 50S ACROSS THE REGION, WELL LOWER MINS A TAD TO REFLECT TRENDS. I SUSPECT TEMPS...ESPECIALLY ACROSS THE SOUTH...WILL BEGIN TO RISE PRIOR TO SUNRISE AS THE FRONT APPROACHES/PASSES. WITH THE COLD FRONT STILL IN THE UP AND CENTRAL WISCONSIN AT 12Z, WELL REMOVE THE CHC OF TSRA OVERNIGHT ACROSS THE NORTH. && .GRR...WATCHES/WARNINGS/ADVISORIES...NONE. && 93
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 650 AM EDT THU MAY 6 2004 MIZ037>040-043>046-050>052-056>059-064>067-071>074-071000- ALLEGAN-BARRY-CALHOUN-CLARE-CLINTON-EATON-GRATIOT-INGHAM-IONIA- ISABELLA-JACKSON-KALAMAZOO-KENT-LAKE-MASON-MECOSTA-MONTCALM-MUSKEGON- NEWAYGO-OCEANA-OSCEOLA-OTTAWA-VAN BUREN- 650 AM EDT THU MAY 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT A SLIGHT RISK OF SEVERE WEATHER EXISTS THIS AFTERNOON AND EVENING... PARTICULARLY SOUTH AND EAST OF GRAND RAPIDS. THE PRIMARY THREAT IS LARGE HAIL AND DAMAGING WINDS...ALTHOUGH AN ISOLATED TORNADO IS ALSO POSSIBLE. A WARM FRONT WILL LIFT NORTH THROUGH THE AREA THIS MORNING... AND UNSTABLE CONDITIONS WILL DEVELOP THIS AFTERNOON AS TEMPERATURES REACH NEAR 80 DEGREES. A COLD FRONT WILL APPROACH FROM THE NORTHWEST LATE IN THE DAY...AND A FEW SEVERE STORMS MAY DEVELOP AHEAD OF THE FRONT. THE BEST TIME FOR SEVERE WEATHER WILL BE BETWEEN 4 PM AND 11 PM...BEFORE THE COLD FRONT EXITS THE REGION. STORM MOVEMENT WILL BE SOUTHEAST AT AROUND 30 MPH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY SEVERE WEATHER IS POSSIBLE ALONG AND SOUTH OF INTERSTATE 96 FRIDAY NIGHT AS A WARM FRONT RETURNS NORTH. THIS FRONTAL BOUNDARY WILL REMAIN NEARLY STATIONARY ACROSS THE REGION SATURDAY THROUGH TUESDAY...WITH AN ACTIVE JET STREAM BRINGING ADDITIONAL CHANCES FOR STRONG OR SEVERE STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING... THEN AGAIN LATE FRIDAY NIGHT. THE WEEKEND AND EARLY PART OF NEXT WEEK LOOKS POTENTIALLY ACTIVE TOO...AND SPOTTER ACTIVATION MAY BE NECESSARY EACH DAY. MEADE
The Grand Rapids radar (KGRR), 122 km away, was scanning. The volume nearest the first event began at 14:38 UTC.
2 hail. Local standard time, as filed.
A severe thunderstorm produced three quarters to seven eighths inch diameter hail across portions of Oceana county.
Seven eighths inch diameter hail was reported by law enforcement in Hesperia.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2004Every state in 2004This day in weather historyWarnings in Michigan, May 2004
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: 5403408, 5403409.