An upper level short wave trough brought isolated thunderstorms to northeast Minnesota. One particular storm turned severe and produced wind damage.
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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 episode as NWS DLH wrote it up.
An upper level short wave trough brought isolated thunderstorms to northeast Minnesota. One particular storm turned severe and produced wind damage.
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 Duluth, MN wrote its last area forecast discussion before the first event at Aug 6, 8:24 AM CST, 2 hours 6 minutes earlier.
AREA FORECAST DISCUSSION...CORRECTED NATIONAL WEATHER SERVICE DULUTH MN 924 AM CDT WED AUG 6 2008 ...CORRECTED FOR SYNTAX ERROR... .DISCUSSION... INCREASED POPS/QPF ACROSS NRN HALF OF CWA THROUGH 18Z AS SHORTWAVE DEPICTED BY RUC13 SLIDE SOUTHEAST NEXT 6HRS. GFS IS WOEFULLY UNDERDONE IN DEPICTING CURRENT SITUATION WHILE NAM80 SEEMS TO HAVE BETTER HANDLE ON SHORTWAVE/RH/QPF AT THIS TIME. 4KM NAM SIM REFLECTIVITY PRODUCT SUGGESTS TWO EPISODES OF CONVECTION...EARLY MORNING THROUGH 18Z...AND A SECONDARY ROUND LATE AFTERNOON/EARLY EVENING. LATEST RUC13 70/50 ABVORT FCST WOULD TEND TO SUPPORT THIS IDEA AS IT SHOWS TWO DISTINCT LOBES OF UPPER SUPPORT ROTATING ESE TODAY. LATEST WV IMAGERY INDICATES THIS SECONDARY VORT LOBE...WITH DARKENING SIGNATURE...IS CURRENTLY MOVING ACROSS SE MANITOBA. ZONES/GRIDS UPDATED TO REFLECT CURRENT THINKING. LATEST RUC13 50DBZ HEIGHT FOR SVR HAIL AROUND 20/22K. MAY SEE SOME CELL CORES APPROACH THAT THIS AFTERNOON. LATEST NAM FCST 0-6KM BULKS SHEAR/SBCAPES SUGGEST MOST LIKELY AREA FOR ANY ORGANIZED CONVECTION WOULD BE LATE AFTERNOON OVER INTERIOR WISCONSIN ZONES. && .AVIATION... && POINT TEMPS/POPS... DLH 78 54 74 52 / 40 20 10 10 INL 78 50 76 48 / 60 20 10 10 BRD 81 54 76 52 / 30 20 10 10 HYR 79 51 77 50 / 30 20 10 10 ASX 79 54 75 50 / 30 20 10 10 && .DLH WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. LS...NONE. CANNON
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE DULUTH MN 536 AM CDT WED AUG 6 2008 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-071045- KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE- NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE- SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA- SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN- CARLTON/SOUTHERN ST. LOUIS-PINE-DOUGLAS-BAYFIELD-ASHLAND-IRON- BURNETT-WASHBURN-SAWYER-PRICE- 536 AM CDT WED AUG 6 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND NORTHWEST WISCONSIN. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS ACROSS THE NORTHLAND TODAY AND TONIGHT. THERE IS A SLIGHT RISK THAT SOME THUNDERSTORMS MAY BECOME SEVERE ACROSS NORTHWESTERN WISCONSIN THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A SLIGHT CHANCE OF THUNDERSTORMS THURSDAY...AND THEN AGAIN SATURDAY NIGHT THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT. LSZ121-140>148-071045- BAYFIELD TO OAK POINT WI-GRAND PORTAGE TO GRAND MARAIS MN- GRAND MARAIS TO TACONITE HARBOR MN- TACONITE HARBOR TO SILVER BAY HARBOR MN- SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN- DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI- SAND ISLAND TO BAYFIELD WI-OAK POINT TO SAXON HARBOR WI- 536 AM CDT WED AUG 6 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF WESTERN LAKE SUPERIOR. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS ACROSS WESTERN LAKE SUPERIOR TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A SLIGHT CHANCE OF THUNDERSTORMS THURSDAY...AND THEN AGAIN SATURDAY NIGHT THROUGH TUESDAY. BERDES MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB ADDRESS: HTTP://WWW.WEATHER.GOV/DULUTH (ALL LOWER CASE)
The Duluth radar (KDLH), 60 km away, was scanning. The volume nearest the first event began at 16:29 UTC.
1 thunderstorm wind. Local standard time, as filed.
A 4 foot diameter tree, flag pole, and antenna on a roof were blown down.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2008Every state in 2008This day in weather historyWarnings in Minnesota, August 2008
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: 132826.