1 lightning, 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 Oct 22, 2:55 PM EST, 2 hours 15 minutes earlier.
SOUTHEAST MICHIGAN AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 355 PM EDT MON OCT 22 2001 SEVERAL BOUTS OF RAINY WEATHER TO AFFECT CWA NEXT COUPLE OF DAYS. BROAD AREA OF LOW PRESSURE OVER CENTRAL PLAINS WILL CONSOLIDATE INTO TWIN LOW PRESSURE SYSTEMS TONIGHT WITH MAIN CENTRE TRACKING INTO QUEBEC BY TUESDAY EVENING. THIS SYSTEM WILL PROVIDE TWO RAIN GENERATING FEATURES...FIRST A WARM FRONT DEVELOPING OVER CWA TONIGHT...THEN A SHARP TROUGH.../FOLLOWED BY WEAK COLD FRONT/...CROSSING REGION TUESDAY. POTENT FGEN FORCING TONIGHT FROM CENTRAL CWA NORTH WILL PRODUCE PERIODS OF HEAVY RAIN. SOUTHERN THIRD OF CWA WILL BE SOUTH OF BEST FGEN FORCING...SO NOT EXPECTING RAINFALL TO BE AS PROLONGED NOR AS HEAVY THERE. RAINFALL TOTALS LOOK TO BE AROUND 0.25 TO 0.50 IN SOUTHERN CWA...RANGING TO AROUND 1 INCH ACROSS THE NORTH. 900MB LI/S FALL TO BELOW ZERO AS FAR NORTH AS FNT TONIGHT...SO WILL MENTION THUNDER TO THERE. LOW TEMPERATURES TONIGHT WILL OCCUR THIS EVENING...THEN REMAIN STEADY OR SLOWLY RISE. AS PRE-FRONTAL TROUGH APPROACHES TOMORROW MORNING...STRONG SURFACE CONVERGENCE...DEEP MOISTURE...AND ASSIST FROM UPPER LEVEL DIVERGENCE WILL PRODUCE CATEGORICAL POPS ACROSS ENTIRE CWA. TROUGH SHOULD MOVE FAIRLY QUICKLY SUCH THAT STEADY RAIN WILL EXIT EASTERN-MOST CWA BY EARLY AFTERNOON. IN ITS WAKE...WEAK COLD FRONT WILL CROSS CWA LATE IN THE DAY. AREA OF TROUGHINESS AND WEAK CONVERGENCE NOTED WITH FRONT. FAIRLY STEEP MID LEVEL LAPSE RATES...TEMPERATURES NEAR 70...AND DEW POINTS TO THE LOW 60S WILL PRODUCE CAPES TO NEAR 1000 J/KG ACROSS CWA FROM FNT SOUTH. WITH PLENTIFUL LOW LEVEL MOISTURE...AND PREVIOUSLY MENTIONED FACTORS WILL HAVE CHANCE OF SHRA/TSRA FOR SOUTHERN TWO THIRDS CWA...AND JUST SHRA IN THE AFTERNOON. WITH WET BULB ZERO HEIGHTS RUNNING AROUND 8K AND 500MB WINDS 55 TO 60 KNOTS...CANNOT RULE OUT AN ISOLATED SEVERE EVENT...PARTICULARLY SOUTHERN CWA. WEAK SURFACE RIDGE AND SOME DRYING WILL MOVE ACROSS CWA TUESDAY NIGHT PROVIDING PARTLY CLOUDY SKIES. SECOND SYSTEM WILL TAKE A SIMILAR TRACK TO FIRST ONE LIFTING INTO THE UPPER MIDWEST ON WEDNESDAY. THIS TRACK WILL PUSH A WARM FRONT ACROSS THE CWA WEDNESDAY MORNING...WITH A COLD FRONT APPROACHING LATE WEDNESDAY AFTERNOON. BEST FGEN FORCING WITH WARM FRONT WILL BE FOUND NORTH OF CWA...HOWEVER IMPRESSIVE ISENTROPIC ASCENT ASSOCIATED WITH THE FRONT WILL KICK OFF A BOUT OF RAIN. IMPRESSIVE DYNAMICS WITH AFTERNOON COLD FRONT AS STRONG SURFACE CONVERGENCE ALONG WITH UPPER LEVEL DIVERGENCE ASSOCIATED WITH RRQ OF UPPER LEVEL JET BISECTING NORTHERN LOWER MICHIGAN WILL PRODUCE A QUICK HITTING PERIOD OF HEAVY RAIN. THUNDER PARAMETERS AHEAD OF THE WARM FRONT... /ELEVATED/...AND AHEAD OF SURFACE FRONT.../SURFACE BASED/...WILL REQUIRE MENTION OF THUNDER CWA-WIDE. OKEEFE EXTENDED FORECAST DISCUSSION...BRRRRRRRR. ALL MODELS CONTINUE TO ADVERTISE A HEALTHY SHOT OF POLAR AIR INTO THE EASTERN HALF OF THE COUNTRY BY WEEKS END. THE STRONG CAA SHOULD BE ENOUGH TO AT LEAST MIX SNOW SHOWERS WITH ANY RAIN SHOWERS...IF NOT JUST SNOW SHOWERS ALONE. THE GLOBAL MAY BE A BIT INTENSE WITH THE SHORT WAVE/SURFACE CLIPPER ON SAT BUT IN ANY EVENT...MOST OF THIS EARLY FORECAST PERIOD WILL RESEMBLE LATE FALL/EARLY WINTER IN SOUTHEAST LOWER MICHIGAN...COLD AND BLUSTERY. AFTER...A STRONG HIGH SETTLES OVER THE REGION LATE IN THE WEEKEND AND DOMINATES THROUGH MON. DEEDLER .DTX...NONE.
MIZ047>049-053>055-060>063-068>070-075-076-082-083-221200- HAZARDOUS WEATHER OUTLOOK FOR SOUTHEAST MICHIGAN NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 410 PM EDT MON OCT 22 2001 DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGER IMMEDIATELY. THREAT... THERE IS A CHANCE OF THUNDERSTORMS EARLY TONIGHT AND THEN AGAIN AROUND SUNRISE FROM THE DETROIT AREA ON SOUTH...AND ALL NIGHT TO THE NORTH. ANY THUNDERSTORM THAT DEVELOPS IS NOT EXPECTED TO BE SEVERE. MOVEMENT OF THUNDERSTORMS WOULD BE TO THE NORTHEAST AT 30 MPH. DISCUSSION... A DEVELOPING WARM FRONT WILL LIFT NORTH THROUGH THE DETROIT AREA AFTER MIDNIGHT AND TO THE SAGINAW VALLEY AND THUMB REGION BY DAWN. RAIN AND A FEW THUNDERSTORMS WILL OCCUR ALONG AND TO THE NORTH OF THE WARM FRONT. SPOTTER ACTIVATION... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. OUTLOOK TUESDAY THROUGH THURSDAY... A LINE OF SHOWERS AND THUNDERSTORMS AHEAD OF A COLD FRONT WILL SWEEP THROUGH SOUTHEAST MICHIGAN TUESDAY MORNING. THE LOW LEVEL WIND FIELD WILL BE STRONG WHICH MAY PRODUCE WIND GUSTS TO 40 MPH. COSTELLO
MIZ047>049-053>055-060>063-068>070-075-076-082-083-231200- HAZARDOUS WEATHER OUTLOOK FOR SOUTHEAST MICHIGAN...CORRECTED NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 422 PM EDT MON OCT 22 2001 DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGER IMMEDIATELY. THREAT... THERE IS A CHANCE OF THUNDERSTORMS EARLY TONIGHT AND THEN AGAIN AROUND SUNRISE FROM THE DETROIT AREA ON SOUTH...AND ALL NIGHT TO THE NORTH. ANY THUNDERSTORM THAT DEVELOPS IS NOT EXPECTED TO BE SEVERE. MOVEMENT OF THUNDERSTORMS WOULD BE TO THE NORTHEAST AT 30 MPH. DISCUSSION... A DEVELOPING WARM FRONT WILL LIFT NORTH THROUGH THE DETROIT AREA AFTER MIDNIGHT AND TO THE SAGINAW VALLEY AND THUMB REGION BY DAWN. RAIN AND A FEW THUNDERSTORMS WILL OCCUR ALONG AND TO THE NORTH OF THE WARM FRONT. SPOTTER ACTIVATION... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. OUTLOOK TUESDAY THROUGH THURSDAY... A LINE OF SHOWERS AND THUNDERSTORMS AHEAD OF A COLD FRONT WILL SWEEP THROUGH SOUTHEAST MICHIGAN TUESDAY MORNING. THE LOW LEVEL WIND FIELD WILL BE STRONG WHICH MAY PRODUCE WIND GUSTS TO 40 MPH. CORRECTED UGC EXPIRATION COSTELLO/DWD
The national radar mosaic for the moment the first event began.
1 lightning. Local standard time, as filed.
A 42 year old man was struck by lightning while standing near his front door. The man sustained only minor injuries.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2001Every state in 2001This day in weather historyWarnings in Michigan, October 2001
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: 5268087.