The Ashland ASOS recorded a peak wind of 43 knots.
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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.
The Ashland ASOS recorded a peak wind of 43 knots.
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 1, 1:00 AM CST, 1 hour 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DULUTH MN 200 AM CDT THU AUG 01 2002 CURRENTLY STRONG TO SEVERE THUNDERSTORMS MOVING THROUGH THE AREA. STRONG MID-LEVEL JET COUPLED WITH UNSTABLE AIR MASS AND SFC FRONT ARE THE INGREDIENTS CURRENTLY. STORMS ARE SHOWING ELEVATED CHARACTERISTICS AT THE MOMENT. HEAVY RAINS (FLOODING) AND HAIL APPEAR TO BE THE SEVERE THREAT. SPC MESO ANALYSIS INDICATES LCL HEIGHTS OF 800 M AND LOWERING WITH TIME SO SEVERE WINDS ARE STILL A POSSIBLE THREAT. WITH MORE TSRA FIRING OVER EASTERN ND... DOES NOT APPEAR CONVECTION WILL EXIT THE EASTERN ZONES OF FORECAST AREA UNTIL 18Z. WILL MAINTAIN PRECIP MENTION UNTIL NOON FOR MUCH OF FORECAST AREA. WILL LOOK AT RADAR, SATELLITE, ETC., JUST BEFORE ISSUANCE TO DEFINE THE AREA. DOES CLEAR OUT FAIRLY WELL AS COOL HIGH PRESSURE BEGINS TO BUILD IN BEHIND THE CURRENT SYSTEM. SOME SC IS EXPECTED TO LINGER BEHIND THE FRONT THIS AFTERNOON, BUT SHOULD BE THIN. BREEZY NORTHWEST WINDS WILL PRODUCE MIXING PREVENTING TONIGHT FROM BEING TOO CHILLY. FRIDAY WILL BE SUNNY WITH CU FORMING IN THE AFTERNOON. OTHERWISE A RELATIVELY COOL DAY WITH WINDS CALMING (HIGH PRESSURE OVERHEAD DURING THE AFTERNOON). FRIDAY NIGHT WILL BE THE CHILLY NIGHT, WEAK RETURN FLOW WILL START BUT MAINLY ALOFT. GOOD RADIATION COOLING WITH CALM SFC WINDS FRIDAY NIGHT. .DLH...SVR WATCH 561 FOR MUCH OF NORTHEAST MINNESOTA ALONG WITH DOUGLAS COUNTY IN WISCONSIN THROUGH 09Z. KFM
The Duluth radar (KDLH), 110 km away, was scanning. The volume nearest the first event began at 08:50 UTC.
1 marine thunderstorm wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Lake Superior 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: 5312391.