1 flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 Detroit, MI wrote its last area forecast discussion before the first event at May 25, 12:15 PM EST, 2 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 115 PM EDT TUE MAY 25 2004 .DISCUSSION... PERSISTENT CLOUD COVER OVER SOUTHEAST LOWER...AND 850 MB THETA-E ADVECTION PUSHING NORTHEAST OF CWA...HAS PRECLUDED CONVECTION FROM FIRING THIS AFTERNOON. STILL CONCERNED ABOUT THE SOUTHERN PORTION OF THE CWA THOUGH...NEAR STATIONARY BOUNDARY DRAPED ACROSS THE NORTHERN OHIO VALLEY. VISIBLE SATELLITE LOOP SHOWS A FEW BREAKS DEVELOPING IN THIS AREA...IN ADDITION TO SOME WEAK LOW LEVEL CONVERGENCE IN VICINITY OF SURFACE LOW...AND INSTABILITY GRADIENT ALONG THE FRONT. WILL CARRY A CHANCE OF SHOWERS WITH MENTION OF ISOLATED TRW THROUGH ABOUT 01Z FOR SOUTHERN TWO TIER OF COUNTIES. SECONDARY TROF AXIS OVER EASTERN WISCONSIN NOT PRODUCING ANY PRECIPITATION AT THIS TIME AND WEAKENS AS IT MOVES THROUGH SOUTHEAST LOWER LATE THIS EVENING. ETA/GFS IN GENERAL AGREEMENT THROUGH 84 HOURS OVER THE GREAT LAKES. CLOUDS WILL BE SLOW TO CLEAR TONIGHT...ESPECIALLY WITH REINFORCING SHOT OF LOW CLOUDS ASSOCIATED WITH SECONDARY TROF AXIS. CLOUD COVER FOR MUCH OF THE NIGHT WILL ALSO PRECLUDE WIDESPREAD FOG. ANTICIPATE BROKEN CU FIELD TO DEVELOP WEDNESDAY AFTERNOON AS UPPER TROF/COLD POOL SWEEPS ACROSS THE NORTHERN GREAT LAKES...MUCH LIKE WHAT IS HAPPENING OVER THE UPPER MISSISSIPPI VALLEY THIS AFTERNOON...WITH 500 MB TEMPERATURES COOLING TO AROUND -20C. VERTICAL TOTALS ONLY RUNNING AROUND 24C THOUGH...SO WILL NOT MENTION SHOWERS AT THIS TIME. GOOD SHOT OF 850 MB THETA-E ADVECTION AHEAD OF NEXT FRONT THURSDAY AFTERNOON. MODELS ALSO SHOWING AROUND 1500J/KG WITH GOOD 0-3KM SHEAR. THUS CANNOT RULE OUT POSSIBILITY OF SEVERE CONVECTION FOR THURSDAY AFTERNOON AND EVENING. STRONG SUBSIDENCE IN WAKE OF COLD FRONT SHOULD SCOUR CLOUDS OUT FOR LATE THURSDAY NIGHT AND FRIDAY. && .DTX WATCHES/WARNINGS/ADVISORIES...NONE. && GSS EXPERIMENTAL GRAPHICAL FORECASTS ARE AVAILABLE ONLINE AT HTTP://WWW.CRH.NOAA.GOV/DTX (ALL LOWER CASE)
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1105 AM EDT TUE MAY 25 2004 MIZ047>049-053>055-060>063-261100- BAY-GENESEE-HURON-LAPEER-MIDLAND-SAGINAW-SANILAC-SHIAWASSEE- ST. CLAIR-TUSCOLA- 1105 AM EDT TUE MAY 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MID MICHIGAN AND THE THUMB. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS THROUGH 2 PM THIS AFTERNOON. THESE STORMS ARE NOT EXPECTED TO BE SEVERE. ANY STORM THAT DEVELOPS WILL MOVE NORTHEAST AT 20 MPH. THE CHANCE OF THUNDERSTORMS IS THE RESULT OF AN UPPER LEVEL DISTURBANCE MOVING THROUGH THE REGION THIS MORNING. .DAY TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS A CHANCE OF THUNDERSTORMS ON THURSDAY...SATURDAY...SUNDAY AND MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY. MIZ068>070-075-076-082-083-261100- LENAWEE-LIVINGSTON-MACOMB-MONROE-OAKLAND-WASHTENAW-WAYNE- 1105 AM EDT TUE MAY 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MICHIGAN. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON AND EVENING. THESE STORMS ARE NOT EXPECTED TO BE SEVERE. THE BEST CHANCE FOR SEEING THUNDERSTORMS WILL BE BETWEEN 3 PM AND 8 PM. SOME OF THE STRONGER STORMS WILL HOWEVER BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH...PEA SIZED HAIL AND FREQUENT LIGHTNING. STORMS WILL ALSO BE CAPABLE OF PRODUCING LOCALIZED HEAVY RAINFALL. ANY HEAVY RAIN WILL NOT BE LONG LIVED. THUNDERSTORMS WILL MOVE EAST AT 25 MPH. .DAY TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS A CHANCE OF THUNDERSTORMS ON THURSDAY...SATURDAY...SUNDAY AND MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY. CONSIDINE
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
The Saginaw River at Saginaw went above its 19 foot flood stage at 215 pm EST on the 25th. The river crested at 19.95 feet at 445 pm EST on the 26th, then fell back below flood stage at 215 am EST on the 28th.
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: 5400170.