7 thunderstorm wind, 4 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 10, 3:00 PM EST, 1 hour 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND RAPIDS MI 400 PM EDT MON MAY 10 2004 .SHORT TERM... VERY ACTIVE PATTERN WILL CONTINUE INTO MID WEEK...AS THE FRONTAL BOUNDARY THAT DROPS INTO THE FORECAST AREA TONIGHT...WILL LIFT BACK NORTH AS A WARM FRONT TOMORROW EVENING AND NIGHT. THE FRONT THEN PRESSES BACK INTO THE AREA ON THURSDAY. SUFFICE IT TO SAY...CHANCES FOR CONVECTION ARE THE MAIN CHALLENGE. THREAT FOR SEVERE STORMS AND FLOODING WILL BE CONCERNS THIS EVENING. ETA AND GFS SIMILAR THROUGH THE SHORT TERM. TONIGHT...GOING LIKELY POPS STILL SEEM TO MAKE SENSE GIVEN A THE UPSTREAM CONVECTION AND A COLD FRONT DROPPING INTO THE AREA FROM THE NORTH. INSTABILITY OVER LOWER MICHIGAN IS STILL FAIRLY DECENT...WITH LI/S RANGING FROM -1 ACROSS CENTRAL LOWER...TO -6 ACROSS THE FAR SOUTH TOWARD INDIANA. THREAT FOR SEVERE WILL MAINLY COME IN THE FORM OF MARGINAL HAIL AND HEAVY RAIN. ELEVATED CORES WILL NEED TO BE WATCHED THIS EVENING...FOR POTENTIAL HAIL AND HIGH WINDS IN THE FORM OF WET MICROBURSTS. CONVECTION SHOULD TAPER OFF FROM NORTH TO SOUTH OVERNIGHT...ALTHOUGH SOME SHOWERS AND STORMS MAY LINGER THROUGH THE NIGHT IN THE FAR SOUTH. TUESDAY...CHANCES FOR SHOWERS AND THUNDERSTORMS CONTINUE...AS THE FRONT MOVES BACK NORTH AS A WARM FRONT IN THE AFTERNOON. WILL MAINTAIN THE CHANCE POPS AREA WIDE. LOWER MICHIGAN IS NOT IN A SLIGHT RISK AT THIS TIME AND PRETTY MUCH AGREE. IN THE WARM AIR ADVECTION THOUGH TOMORROW AFTERNOON AND EVENING WOULD NOT BE SURPRISED TO SEE A FEW MORE STRONG STORMS. HAIL AND HEAVY RAIN WOULD CONTINUE TO BE THE MAIN THREATS. TUESDAY NIGHT...COULD SEE SOME SCATTERED SHOWER AND THUNDERSTORM ACTIVITY MAINLY IN THE EVENING. WILL THEREFORE LEAVE THE CHANCE POPS IN THE FORECAST. BY WEDNESDAY...THE ZONAL UPPER FLOW IN PLACE AT PRESENT BECOMES A RIDGE. WITH RIDGING IN PLACE AND BROAD SOUTHWEST FLOW IN THE WARM SECTOR NOT EXPECTING MUCH IN THE WAY OF CONVECTION. PER COORDINATION WITH SURROUNDING OFFICES WILL GO DRY. A WARM DAY EXPECTED WITH HIGHS REACHING INTO THE UPPER 70S AND LOWER 80S. WEDNESDAY NIGHT AND THURSDAY THE BOUNDARY CLOSES BACK IN FROM THE NORTHWEST. SHOWER AND THUNDERSTORM CHANCES WILL BE KEPT IN THE FORECAST IN THIS TIME FRAME. FLOODING THREAT CONTINUES AS LOCATIONS NORTH OF I-96 HAVE RECEIVED ANYWHERE FROM 2-6 INCHES OF RAIN. WILL BE MONITORING RAINFALL THIS EVENING FOR POTENTIAL WARNINGS...ESPECIALLY ACROSS THE NORTHERN HALF OF THE FORECAST AREA. PWAT/S WILL BE ON THE ORDER OF AN INCH TO AN INCH AND A HALF THIS EVENING...SO PLENTY OF DEEP MOISTURE IN PLACE. GUIDANCE TEMPS IN THE BALLPARK. .LONG TERM... A COLD FRONT WILL MAKE ITS WAY THROUGH THE AREA ON FRIDAY. THE GFS SHOWS ANOTHER LOW TRACKING NE ALONG THE FRONT INTO SATURDAY. THIS COULD PROLONG THE SHOWERS INTO SATURDAY...ALTHOUGH THE GEM DOES NOT SHOW THIS LOW. WILL CARRY THE CHC POPS FOR SATURDAY BUT THE THINKING NOW IS THESE SHOULD END EARLY IN THE DAY. HIGH PRESSURE MOVES IN FOR THE REMAINDER OF THE WEEKEND WITH COOLER AND DRIER AIR. THE GFS THEN SHOWS A WEAK SHORT WAVE CRUISING INTO THE WESTERN LAKES AND DIMINISHING. WILL INCLUDE THE CHC OF SHOWERS OR STORMS LATE SUNDAY NIGHT INTO MONDAY AS THIS WAVE MOVES IN. TEMPS ON FRIDAY SHOULD REACH THE 70S...THEN DROP BACK TO THE 60S FOR THE WEEKEND AND INTO EARLY NEXT. && .GRR...WATCHES/WARNINGS/ADVISORIES...NONE. && DUKE JK
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1230 PM EDT MON MAY 10 2004 MIZ037>040-043>046-050>052-056>059-064>067-071>074-111000- ALLEGAN-BARRY-CALHOUN-CLARE-CLINTON-EATON-GRATIOT-INGHAM-IONIA- ISABELLA-JACKSON-KALAMAZOO-KENT-LAKE-MASON-MECOSTA-MONTCALM-MUSKEGON- NEWAYGO-OCEANA-OSCEOLA-OTTAWA-VAN BUREN- 1230 PM EDT MON MAY 10 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF SEVERE WEATHER THIS AFTERNOON AND TONIGHT ACROSS ALL OF SOUTHWEST MICHIGAN. THUNDERSTORMS WILL BE MOST PREVALENT IN THE 300 PM TO MIDNIGHT TIME FRAME. THE MAIN STORM THREATS WILL BE LARGE HAIL TO AROUND AN INCH IN DIAMETER AND HEAVY RAIN. DAMAGING WINDS TO NEAR 60 MPH CANNOT BE RULED OUT EITHER ESPECIALLY THIS EVENING. STORM MOVEMENT WILL BE TO THE EAST AT 30 MPH. ADDITIONAL HEAVY RAIN IS ALSO POSSIBLE... AND SINCE MANY AREAS HAVE ALREADY SEEN OVER 2 INCHES OF RAIN SINCE FRIDAY... MORE FLOODING IS POSSIBLE. LOCATIONS NORTH OF INTERSTATE 96 HAVE BEEN HIT HARDEST BY HEAVY RAIN OVER THE WEEKEND...WITH AS MUCH AS 5 INCHES BEING REPORTED IN SPOTS. FREMONT IN NEWAYGO COUNTY HAS HAD NEARLY 6 INCHES OF RAIN SINCE FRIDAY. RIVERS...CREEKS AND STREAMS WILL CONTINUE SLOWLY RISING. ADDITIONAL RIVER...STREAM AND URBAN FLOODING WILL ALSO BE POSSIBLE TODAY AND TONIGHT WHERE STRONGER STORMS PERSIST. THE STORMS TODAY AND TONIGHT WILL BE TRIGGERED BY A COLD FRONT WHICH WILL MOVE EAST FROM WISCONSIN. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY MORE SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE TUESDAY THROUGH FRIDAY. FLOODING WILL CONTINUE TO BE A CONCERN. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT. MEADE DUKE
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
312 PM EDT MON MAY 10 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0640 PM TSTM WND DMG 2 W LAKEVIEW 43.45N 85.32W
05/09/2004 MONTCALM MI PUBLIC
20 TO 30 TREES DAMAGED OR DOWN
0520 PM TSTM WND DMG 5 W WHITE CLOUD 43.55N 85.87W
05/09/2004 NEWAYGO MI PUBLIC
SEVERAL TREES DOWN
0430 PM TSTM WND DMG PAW PAW 42.22N 85.89W
05/09/2004 VAN BUREN MI PUBLIC
NUMEROUS TREES DOWN
0150 PM TSTM WND DMG 5 WNW CHARLOTTE 42.59N 84.92W
05/09/2004 EATON MI PUBLIC
SEVERAL TREES DOWN
&&
IODThe national radar mosaic for the moment the first event began.
7 thunderstorm wind, 4 hail. Local standard time, as filed.
Trained spotters in Kalamazoo reported one half to three quarters inch diameter hail in Kalamazoo.
Law enforcement reported one inch hail in Tekonsha which cracked the windshield of a patrol car.
The public reported one and three quarters inch diameter hail on I-94 just over the Calhoun county line.
Post office employees reported that three quarters inch diameter hail fell two miles south of Nashville.
A barn was blown down by a severe thunderstorm wind gust near the intersection of Dow and St. Joe roads.
A trained spotter measured a 78 m.p.h. wind gust along Mt. Hope avenue.
Several trees were blown down three miles northeast of Vicksburg.
Law enforcement reported that many trees were blown down in Leroy and Emmett townships.
The public four miles south southwest of Battle Creek reported that one and a half inch diameter hail and wind gusts to 65 m.p.h. occurred with a severe thunderstorm in that area.
A few trees were blown down in Partello, as reported by the post office in that area.
Several trees were blown down two miles east of Bellevue.
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: 5402015, 5402016, 5402014, 5402024, 5402020, 5402019, 5402023, 5402018, 5402017, 5402022, 5402021.