4 marine 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 Detroit, MI wrote its last area forecast discussion before the first event at Jul 29, 1:55 PM EST, 5 minutes earlier.
SOUTHEAST MICHIGAN AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 255 PM EDT MON JUL 29 2002 ...SEVERE WEATHER THREAT ENDS EARLY THIS EVENING... ...DRY AND SLIGHTLY COOLER WEATHER TOMORROW... COLD FRONT CURRENTLY SWINGING THROUGH MICHIGAN THIS AFTERNOON. SEVERE THUNDERSTORM WATCH UNTIL 7PM. BROKEN LINE OF STRONG STORMS CURRENTLY MOVING THROUGH THE WESTERN CWA. BACK EDGE OF SHOWERS AND THUNDERSTORMS ALONG I-131 IN SOUTHWEST MICHIGAN. WOULD EXPECT THE WESTERN CWA TO BE FREE OF STORMS BY 6 PM OR SO...WITH THE EASTERN CWA DONE BY 8 OR 9 PM. MOSTLY CLEAR SKIES AND DEW POINTS IN THE MID 60S ACROSS MINNESOTA/WISCONSIN WILL GRADUALLY WORK INTO SOUTHEAST MICHIGAN OVERNIGHT AS THE WINDS SHIFT TO THE WEST/NORTHWEST. OVERALL...VERY FEW CHANGES TO PREVIOUS ZONES. WEAK SHORT WAVE RIDGING TO BUILD INTO LOWER MICHIGAN TOMORROW. WITH MOSTLY SUNNY SKIES AND 850 TEMPS AROUND 16C...MAX TEMPS CLOSE TO 90 DEGREES LOOKS GOOD. SURFACE RIDGE MOVES OVER SOUTHEAST MICHIGAN TUESDAY NIGHT. WITH CALM WINDS...MOSTLY CLEAR SKIES...AND SURFACE DEW POINTS IN THE MID 60S WILL INTRODUCE SOME FOG TO THE ZONES. MOISTURE TRANSPORT VECTORS SHOWING SOME MOISTURE STREAMING UP FROM THE SOUTHERN PLAINS BY WEDNESDAY. ALTHOUGH THE GULF OF MEXICO WILL BE GENERALLY CLOSED FOR BUSINESS DUE TO A LARGE RIDGE...DEW PTS ARE STILL EXPECTED TO CREEP BACK TOWARD 70 ACROSS SOUTHEAST MICHIGAN WEDNESDAY NIGHT (JUST AHEAD TO THE NEXT COLD FRONT). 12Z AVN CONTINUES TO HINT AT THUNDERSTORM COMPLEX DEVELOPING ALONG A WARM FRONT ACROSS WISCONSIN WEDNESDAY MORNING. WARM FRONT TO MOVE ACROSS NORTHERN LOWER MICHIGAN DURING THE DAY. GOOD 700 MB RIDGING OVER SOUTHEAST MICHIGAN DURING THE DAY. WILL FOLLOW ETA MODEL AND KEEP IT DRY. 850 MB TEMPS WARM CLOSE TO 20 C BY LATE WEDNESDAY. HOWEVER...WITH THE INCREASING MOISTURE AND CLOUDS...WILL KEEP MAXES NEAR 90 ONCE AGAIN. HOWEVER...WITH MOSTLY SUNNY SKIES...MID 90S ARE POSSIBLE. EXTENDED DISCUSSION... IMPRESSIVE DEEP 500MB LOW FOR EARLY AUG PROJECTED PAST FEW DAYS TO PROGRESS ACROSS SOUTHERN CANADA CONTINUES TO BE SCHEDULED BY ALL EXTENDED MODELS. EMBEDDED SHORTWAVES AND VERY STRONG JET (NEAR 100K @ 300MB) SAILS ALONG THE NORTHERN BORDER OF THE U.S. THE MODELS HAVE A BETTER CONSENSUS TODAY ON LEAD SHORTWAVE... THE ASSOCIATED COLD FRONT AND WITH FRONTAL PASSAGE. WHILE TIMING IS SLOWLY COMING TOGETHER...THERE STILL IS SOME VARIABILITY WITH THE ECMWF THE LEAD OFF MODEL WITH THU EVE...THE GLOBAL/ETAXX OVERNIGHT THU AND MRF/UK MIDDAY FRI. UNFORTUNATELY...THIS TIMING CONTINUES TO AFFECT TWO DAYS IN THE EXTENDED...BUT HAVE ATTEMPTED TO FINE TUNE IT A BIT (PEEK AT THE LATEST 12Z AVN NOW BARRELS THE FRONT THROUGH BY THU AFTERNOON). WILL KEEP CHANCE OF STORMS IN FOR JUST THU AS MOST (IF NOT ALL) SHOULD BE EAST BY FRI MORNING. THE WEATHER QUIETS DOWN FOR A DELIGHTFUL WEEKEND AS A LARGE HIGH PRESSURE TAKES CONTROL WITH MORE COMFORTABLE...COOLER WEATHER. A WAVE WILL BE APPROACHING THE WESTERN LAKES LATE SUN BEHIND THE HIGH AND THUS...CHANCE POPS ON MON. DEEDLER .DTX...NONE. SF
MIZ047>049-053>055-060>063-068>070-075-076-082-083-301200- HAZARDOUS WEATHER OUTLOOK FOR SOUTHEAST MICHIGAN NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1030 AM EDT MON JUL 29 2002 DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. HAZARDS... THUNDERSTORMS WILL OCCUR ACROSS ALL OF SOUTHEAST LOWER MICHIGAN THIS AFTERNOON AND EVENING AND THERE IS A CHANCE SOME OF THESE STORMS MAY BECOME SEVERE. DISCUSSION... VERY WARM AND HUMID AIR WILL REMAIN OVER SOUTHEAST MICHIGAN THIS AFTERNOON AHEAD OF AN ADVANCING COLD FRONT. THE COLD FRONT WILL APPROACH SOUTHEAST LOWER MICHIGAN DURING THE AFTERNOON AND SWING ACROSS THE AREA THIS EVENING. THE COLD FRONT WILL TAP INTO THE WARM HUMID AIR IN PLACE ACROSS THE AREA CREATING A FAVORABLE ENVIRONMENT FOR STRONG THUNDERSTORMS. THERE IS A CHANCE SOME OF THESE STORMS MAY BECOME SEVERE. THE MOST LIKELY TIME FOR SEVERE STORMS TO OCCUR WILL BE BETWEEN 1 PM AND 8 PM. THE PRIMARY HAZARD WILL BE WIND GUSTS 60 TO 80 MPH. THESE STORMS WILL MOVE NORTHEAST AT 40 MPH AND WILL BE ACCOMPANIED BY FREQUENT LIGHTNING AND DRENCHING RAINFALL. SPOTTER ACTIVATION... SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING. OUTLOOK FOR TUESDAY AND WEDNESDAY... NO HAZARDS ARE EXPECTED. STAY TUNED TO NOAA WEATHER RADIO... OR LOCAL MEDIA OUTLETS... FOR THE LATEST FORECAST INFORMATION FROM THE NATIONAL WEATHER SERVICE. YOU CAN ALSO OBTAIN THE LATEST FORECAST ON THE NATIONAL WEATHER SERVICE WEB SITE. HTTP://WWW.CRH.NOAA.GOV/DTX/ (ALL LOWER CASE)
MIZ047>049-053>055-060>063-068>070-075-076-082-083-301200- HAZARDOUS WEATHER OUTLOOK FOR SOUTHEAST MICHIGAN NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 200 PM EDT MON JUL 29 2002 ...SEVERE THUNDERSTORM WATCH 551 IN EFFECT UNTIL 7 PM EDT FOR ALL OF SOUTHEAST LOWER MICHIGAN... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. HAZARDS... THUNDERSTORMS WILL OCCUR ACROSS ALL OF SOUTHEAST LOWER MICHIGAN THIS AFTERNOON AND EVENING AND THERE IS A CHANCE SOME OF THESE STORMS MAY BECOME SEVERE. THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL OF THE SOUTHEAST LOWER MICHIGAN EFFECTIVE UNTIL 700 PM EDT THIS EVENING. THIS WATCH INCLUDES THE FOLLOWING COUNTIES BAY...MIDLAND...HURON...SANILAC... TUSCOLA...SAGINAW... SHIAWASSEE...GENESEE...LAPEER...ST. CLAIR...LIVINGSTON... OAKLAND...MACOMB...WAYNE...WASHTENAW...LENAWEE...AND MONROE DISCUSSION... VERY WARM AND HUMID AIR WILL REMAIN OVER SOUTHEAST MICHIGAN THIS AFTERNOON AHEAD OF AN ADVANCING COLD FRONT. THE COLD FRONT WILL APPROACH SOUTHEAST LOWER MICHIGAN THIS AFTERNOON AND SWING ACROSS THE AREA THIS EVENING. THE COLD FRONT WILL TAP INTO THE WARM HUMID AIR IN PLACE ACROSS THE AREA CREATING A FAVORABLE ENVIRONMENT FOR STRONG THUNDERSTORMS. THERE IS A CHANCE SOME OF THESE STORMS MAY BECOME SEVERE. THE PRIMARY HAZARD WILL BE WIND GUSTS 60 TO 80 MPH. THESE STORMS WILL MOVE NORTHEAST AT 40 MPH AND WILL BE ACCOMPANIED BY FREQUENT LIGHTNING AND DRENCHING RAINFALL. SPOTTER ACTIVATION... SPOTTERS HAVE BEEN ACTIVATED. OUTLOOK FOR TUESDAY AND WEDNESDAY... NO HAZARDS ARE EXPECTED. STAY TUNED TO NOAA WEATHER RADIO... OR LOCAL MEDIA OUTLETS... FOR THE LATEST FORECAST INFORMATION FROM THE NATIONAL WEATHER SERVICE. YOU CAN ALSO OBTAIN THE LATEST FORECAST ON THE NATIONAL WEATHER SERVICE WEB SITE. HTTP://WWW.CRH.NOAA.GOV/DTX/ (ALL LOWER CASE)
The Detroit radar (KDTX), 106 km away, was scanning. The volume nearest the first event began at 18:57 UTC.
4 marine thunderstorm wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Lake Huron in 2002Every state in 2002This day in weather history
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: 5304053, 5304054, 5304055, 5304056.