3 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 Aug 18, 9:44 PM EST, 1 hour 21 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1044 PM EDT THU AUG 18 2005 .UPDATE.. TORNADIC THUNDERSTORMS HAVE BEEN MOVING ACROSS SOUTHERN WISCONSIN THIS EVENING. 0-1KM HELICITY VALUES ARE OVER 300M2/S2 OVER SE WI AS OF 02Z. HELICITY VALUES ABOVE 250M2/S2 HAVE PUSHING INTO THE SW CORNER OF THE CWA AND MAY INCREASE AS A WARM FRONT LIFTS OVER THIS REGION. SEVERE WEATHER STILL POSSIBLE AS VWP SHOWS STRONG SHEAR IN THE LOW LEVELS. LCL LEVELS ARE QUITE LOW...AROUND 700 FT. 0-6KM BULK LAYER SHEAR WAS MAXED OVER LAKE MICH AT 50KT. THIS WOULD SUGGEST THE STORMS WILL MAINTAIN THEMSELVES AS THEY CROSS THE LAKE. SPC IS CONSIDERING A TORNADO WATCH FOR THE SW PORTION OF THE CWA. OTHERWISE A STRONG SHORT WAVE WILL CROSS THE CWA OVERNIGHT LEADING TO WIDESPREAD SHOWERS AND STORMS THROUGHOUT THE CWA. WILL BUMP POPS UP. && .GRR WATCHES/WARNINGS/ADVISORIES...NONE. && JK
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE GRAND RAPIDS MI 451 PM EDT THU AUG 18 2005 LMZ844>849-MIZ037>040-043>046-050>052-056>059-064>067-071>074- 190930- ST JOSEPH TO SOUTH HAVEN-SOUTH HAVEN TO HOLLAND- HOLLAND TO GRAND HAVEN-GRAND HAVEN TO WHITEHALL- WHITEHALL TO PENTWATER-PENTWATER TO MANISTEE-MASON-LAKE-OSCEOLA- CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-MONTCALM-GRATIOT- OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN- KALAMAZOO-CALHOUN-JACKSON- 451 PM EDT THU AUG 18 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...THIS EVENING AND TONIGHT ONE AREA OF SHOWERS AND THUNDERSTORMS WILL BE AFFECTING THE AREA THROUGH THE EARLY EVENING HOURS. THESE THUNDERSTORMS ARE NOT EXPECTED TO BE SEVERE. LOCALLY HEAVY DOWNPOURS AND CLOUD TO GROUND LIGHTNING WILL BE THE MAIN HAZARDS FROM THESE STORMS. A SECOND BATCH OF THUNDERSTORMS ARE EXPECTED TO DEVELOP AND MOVE THROUGH THE AREA DURING THE OVERNIGHT HOURS. THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE SOME ISOLATED SEVERE WEATHER OVER SOUTHWEST LOWER MICHIGAN...WITH DAMAGING WINDS BEING THE MAIN THREAT. CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY DOWNPOURS OF RAIN WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY AN UNSEASONABLY STRONG COLD FRONT IS EXPECTED TO MOVE THROUGH LOWER MICHIGAN SATURDAY AFTERNOON. PERIODS OF THUNDERSTORMS ARE EXPECTED AHEAD OF THE COLD FRONT LATE FRIDAY NIGHT INTO SATURDAY MORNING. IT WOULD NOT BE OUT OF THE QUESTION FOR A FEW OF THESE STORMS TO REACH SEVERE LIMITS AND HAVE WIND GUSTS TO 60 MPH AND HAIL TO 1 INCH IN DIAMETER. COLD AIR COMING IN BEHIND THE COLD FRONT COMBINED WITH NORTHWEST WINDS OF AT LEAST 15 TO 25 KNOTS WILL PRODUCE A HAZARD TO SMALL CRAFT BEGINNING SATURDAY AFTERNOON AND CONTINUING THROUGH AT LEAST SUNDAY MORNING. WAVES ARE EXPECTED TO BUILD TO AT LEAST 4 TO 6 FEET SATURDAY AFTERNOON THROUGH AT LEAST SUNDAY MORNING. AN INCREASED THREAT OF RIP CURRENTS WILL BE PRESENT DURING THIS TIME PERIOD. THERE WILL BE A POTENTIAL OF WATERSPOUTS ALSO LATE SATURDAY NIGHT AND ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED OVERNIGHT TONIGHT AND AGAIN LATE FRIDAY NIGHT AND EARLY SATURDAY. WDM NJJ
The NCL Michigan radar (KAPX), 124 km away, was scanning. The volume nearest the first event began at 04:02 UTC.
3 thunderstorm wind. Local standard time, as filed.
Law enforcement in Luther reported two trees were blown down.
A couple of trees were blown down or snapped off and several large tree limbs were blown down two to three miles north northwest of Remus.
Three trees were blown down in Hayes and Surrey townships.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2005Every state in 2005This day in weather historyWarnings in Michigan, August 2005
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: 5472269, 5472270, 5472271.