2 hail, 1 thunderstorm wind, 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 11, 3:05 PM EST, 4 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND RAPIDS MI 405 PM EDT TUE MAY 11 2004 .SHORT TERM... UPPER PATTERN WHICH HAS BEEN MAINLY ZONAL OF LATE WILL BECOME A BIT MORE AMPLIFIED WITH TIME THROUGH THE REMAINDER OF THE WEEK. CURRENT UPPER PATTERN FEATURES A TROUGH ACROSS THE ROCKIES...WITH RIDGING ACROSS THE SOUTHEAST U.S. THE UPPER TROUGH WILL GRADUALLY PUSH THROUGH THE PLAINS AND APPROACH THE WESTERN GREAT LAKES TOWARD WEEKS END. AT THE SURFACE...A LOW IN THE HIGH PLAINS WILL GRADUALLY MOVE EAST TONIGHT...WHICH WILL SHIFT THE WARM FRONT NORTHWARD ACROSS LOWER MICHIGAN. THE FORECAST AREA WILL THEN BE IN THE WARM SECTOR FOR WEDNESDAY AND WEDNESDAY NIGHT. THURSDAY INTO FRIDAY...THE FRONTAL BOUNDARY ASSOCIATED WITH THE UPPER TROUGH WILL GRADUALLY PRESS INTO THE AREA FROM THE WEST. FORECAST CONCERNS WILL BE CHANCE FOR STRONG STORMS THIS EVENING ALONG THE WARM FRONT...THEN ASCERTAINING CHANCES FOR THUNDERSTORMS FOR THE REMAINDER OF THE WEEK. WILL OPT TO FOLLOW THE GFS THIS GO AROUND. LIKE ITS SLOWER PROGRESSION TO THE FRONT...AND ITS WEAKER INITIAL LOW MOVING THROUGH THE NORTHERN PLAINS WEDNESDAY NIGHT. FOR TONIGHT...EXPECT SHOWERS AND THUNDERSTORMS TO DEVELOP OVER AND ADVECT INTO SOUTHERN LOWER MICHIGAN LATE THIS AFTERNOON AND EVENING. A WEAK LOW LEVEL JET DEPICTED IN THE RUC AND THE ETA WILL LIKELY AID DEVELOPMENT AS IT INTERSECTS THE WARM FRONT ALOFT. LI/S HAVE FALLEN INTO THE -4 TO -6 RANGE OVER NORTHERN INDIANA. THE INSTABILITY COMBINED WITH THE WARM FRONT SHOULD LEAD TO SCATTERED SHOWER AND THUNDERSTORMS. STORMS HAVE ALREADY DEVELOPED IN THE WARM SECTOR. FEEL SOME STORMS THIS EVENING COULD BE ON THE STRONG SIDE WITH MARGINAL WIND AND HAIL BEING THE MAIN STORM THREATS...AS WELL AS HEAVY RAIN. WILL USE SCATTERED SHOWER AND THUNDERSTORM WORDING. WEDNESDAY...WILL CARRY A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON AS THERE WILL BE ENOUGH INSTABILITY IN PLACE. LAKE BREEZE MAY KICK OFF SOME SCATTERED ACTIVITY. SHOULD BE A WARM DAY WITH HIGHS INTO THE 80S INLAND. WEDNESDAY NIGHT...WILL CARRY CHANCE POPS IN THE EVENING...WITH LIKELY POPS IN THE WEST OVERNIGHT. THE MAIN FRONTAL BOUNDARY WILL BE MOVING THROUGH WISCONSIN LATE. THE BOUNDARY REMAINS JUST WEST OF THE AREA THURSDAY AND THURSDAY NIGHT AND WILL MAINTAIN THE GOING CHANCE POPS. ON FRIDAY...WILL CARRY LIKELY POPS AS THE MAIN SHORTWAVE MOVES INTO THE WESTERN GREAT LAKES AND THE FRONTAL BOUNDARY MOVES INTO THE FORECAST AREA. .LONG TERM... THE FRONT WILL MOVE EAST OF THE CWA BY SATURDAY WITH HIGH PRESSURE QUICKLY FOLLOWING. THIS WILL GIVE THE AREA A WELL DESERVED DRY SPELL INTO EARLY NEXT WEEK. WILL CARRY CHC POPS INTO SATURDAY MORNING ACROSS THE SE WHERE A FEW SHOWERS OR STORMS MAY LINGER. A FEW SHOWERS MAY BE POSSIBLE IN THE NORTH LATE SUNDAY NIGHT/EARLY MONDAY AS A WARM FRONT LIFTS THROUGH THE AREA WITH DECENT WARM AIR ADVECTION. WILL CONTINUE CHC POPS IN THE NORTH INTO MONDAY NIGHT AS A COLD FRONT APPROACHES THE REGION. THE FRONT IS PROGGED TO DRIFT OVER THE CWA ON TUESDAY. DAYTIME TEMPS SHOULD HOLD IN THE 60S ON SATURDAY...THEN MAINLY IN THE 70 TO 75 RANGE FOR EARLY NEXT WEEK. JK && .GRR...WATCHES/WARNINGS/ADVISORIES...NONE. && DUKE JK
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1203 PM EDT TUE MAY 11 2004 MIZ037>040-043>046-050>052-056>059-064>067-071>074-120954- ALLEGAN-BARRY-CALHOUN-CLARE-CLINTON-EATON-GRATIOT-INGHAM-IONIA- ISABELLA-JACKSON-KALAMAZOO-KENT-LAKE-MASON-MECOSTA-MONTCALM-MUSKEGON- NEWAYGO-OCEANA-OSCEOLA-OTTAWA-VAN BUREN- 1203 PM EDT TUE MAY 11 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER SOUTHWEST LOWER MICHIGAN THIS AFTERNOON AND EVENING AS A WARM FRONT LIFTS NORTH INTO LOWER MICHIGAN FROM INDIANA. AT THIS TIME THE STORMS ARE NOT EXPECTED TO BE SEVERE. THE TIME FRAME THAT THUNDERSTORMS ARE EXPECTED IS BETWEEN 400 PM AND MIDNIGHT. SOME OF THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING HAIL TO AROUND A HALF INCH IN DIAMETER...HEAVY RAIN AND CLOUD TO GROUND LIGHTNING STRIKES. STORM MOVEMENT WILL BE TO THE NORTH AT 25 MPH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE AGAIN IN THE WEDNESDAY THROUGH FRIDAY TIME FRAME. FLOODING WILL CONTINUE TO BE A CONCERN GIVEN THE RAINFALL OVER THE COURSE OF THE LAST FEW DAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. OSTUNO DUKE
PRELIMINARY LOCAL STORM REPORT ... CORRECTION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
444 PM EDT TUE MAY 11 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0735 PM TSTM WND GST 4 SSW BATTLE CREEK 42.30N 85.23W
05/10/2004 65 MPH CALHOUN MI PUBLIC
REPORTED AT CAPITOL AVE. AND INTERSTATE 94.
0735 PM HAIL 4 SSW BATTLE CREEK 42.30N 85.23W
05/10/2004 1.50 INCH CALHOUN MI PUBLIC
REPORTED AT CAPITOL AVE AND INTERSTATE 94
&&
RGThe Grand Rapids radar (KGRR), 56 km away, was scanning. The volume nearest the first event began at 00:03 UTC.
2 hail, 1 thunderstorm wind. Local standard time, as filed.
A 60 m.p.h. wind gust was reported by the general public in Fennville.
One and three quarters inch diameter hail was reported by the public one mile east of Zeeland.
Three quarters inch diameter hail and wind gusts to around 60 m.p.h. were reported in the city of Grand Rapids and about two miles west of Ada.
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: 5402026, 5402025, 5402027.