15 thunderstorm wind, 8 hail, 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 Forks, ND wrote its last area forecast discussion before the first event at Jul 3, 7:40 PM CST, 2 hours 6 minutes earlier.
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 840 PM CDT THU JUL 3 2003 ZFP UPDATED SHORTLY AFTER 8 PM FOR SVR TSTM WATCH FOR PARTS OF SE ND. THUNDERSTORMS GETTING GOING NEAR BISMARCK AND STARTING TO ACCELERATE SOUTHEAST ATTM. SFC-85H WIND FLOW NOT THAT IMPRESSIVE...THOUGH 85H MOISTURE ADVECTION IS PRETTY GOOD ALONG ND/SD BORDER BTWN 03-06Z. MAIN DYNAMICS ARE IN THE MID AND UPPER LEVELS...WITH 00Z BIS SOUNDING AND 00Z UPPER AIR PLOTS SHOWING GOOD 500 MB WESTERLY FLOW (AOA 50KTS) ALONG WITH CNTRL/ERN ND IN RIGHT REAR OF DEPARTING 100KT 250 MB JET. QUESTION OF THE EVENING IS WHAT WILL HAPPEN TO COMPLEX NR BISMARCK. ANOTHER LARGER COMPLEX IS DEVELOPING OVR CNTRL NEBRASKA CLOSER TO BETTER 85H SOUTHERLY JET AND JUICY AIRMASS (70+ DEW PTS) AND SFC BOUNDARY. THINKING ACTIVITY NR BISMARCK WILL TRY TO MOVE EAST...BUT WITH CELLS TURNING SOUTHEAST INTO SD WITH TIME...BRUSHING OUR SOUTHWEST ZONES. AS 850 MB JET GETS GOING TONIGHT...MAIN MCS MAY GET GOING LATER TONIGHT OVER SD INTO PARTS OF SRN MN. LATEST 00Z RUC MAINTAINS PCPN ALONG SE ND/SD INTO WCNTRL MN THRU 12Z WITH ANOTHER STRONGER AREA SOUTH. UNTIL THINGS BECOME MORE CLEAR WILL NOT LIKELY ISSUE ANOTHER UPDATE THIS EVENING UNLESS CONDITIONS WARRANT. SOME GRIDDS WILL NEED MODIFYING FOR CONVECTION...OTHERWISE TEMPS LOOK GOOD. .FGF...NONE RIDDLE
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-031430- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 655 AM CDT THU JUL 3 2003 ...SEVERE WEATHER THREAT CONTINUES ACROSS THE REGION TODAY AND THIS EVENING WITH THE GREATEST RISK TARGETED FOR AREAS ALONG AND SOUTH OF THE I-94 CORRIDOR... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS FOR THIS AFTERNOON AND EVENING FOR AREAS ALONG AND SOUTH OF THE I-94 CORRIDOR. A SLIGHT RISK OF SEVERE THUNDERSTORMS IS POSSIBLE ACROSS THE REMAINDER OF EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. THE MAIN THREAT FROM THE STORMS WILL BE DAMAGING WINDS...LARGE HAIL AND VERY HEAVY RAINS. HOWEVER THE POTENTIAL EXISTS FOR SIGNIFICANT STRAIGHT LINE WIND DAMAGE AND ISOLATED TORNADOES ACROSS SOUTHEAST NORTH DAKOTA INTO ADJACENT WEST CENTRAL MINNESOTA COUNTIES. THE GREATEST RISK FOR SEVERE WEATHER SHOULD OCCUR BETWEEN THE HOURS OF 2PM AND 9PM THIS EVENING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. ADDITIONAL CHANCES OF THUNDERSTORMS ARE EXPECTED SATURDAY NIGHT INTO SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE NEEDED THIS AFTERNOON AND EVENING. BERG
The Aberdeen radar (KABR), 83 km away, was scanning. The volume nearest the first event began at 03:46 UTC.
15 thunderstorm wind, 8 hail. Local standard time, as filed.
A single-wide 35 foot mobile home was rolled off its foundation and destroyed. An empty fuel oil tank was blown into its side.
A tower was blown over.
Wind driven hail damaged vinyl siding and some shingles. Windows were also broken out.
Large trees were snapped.
Wind driven hail damaged shingles and shattered 15 windows.
Three 5,000 bushel steel grain bins were torn off their anchor bolts and destroyed.
Large tree limbs were broken off. A television antenna and a satellite dish were also torn off a roof.
Windows were broken out by the wind driven hail.
Power outages were reported in rural areas west of Cogswell.
The AWOS at the Gwinner Airport reported a 63 mph wind gust.
A Davis wind sensor reported an 81 mph wind gust.
Two 30,000 bushel grain bins were destroyed by the strong wind. The tops of two 4,000 bushel grain silos were damaged. A flag pole and large trees were blown over. Ten homes had broken windows, damaged siding, and damaged roofing.
A 64 mph wind gust was measured by a RAWS mesonet site in the Sheyenne National Grasslands.
The hail was accompanied by strong winds.
A 66 mph wind gust was measured by a RAWS mesonet site at the Tewaukon National Wildlife Refuge.
Tree branches were blown down.
A weigh station near Mooreton measured the wind gust along Interstate 29.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2003Every state in 2003This day in weather historyWarnings in North Dakota, July 2003
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: 5377730, 5369024, 5377731, 5377732, 5369025, 5377733, 5377734, 5377735, 5377736, 5377737, 5377738, 5377739, 5377740, 5377804, 5377805, 5369017, 5377806, 5369018, 5369019, 5369020, 5369021, 5369022, 5369023.