Very heavy rainfall of 3 to 5 inches from thunderstorms resulted in a flash flood in Stark County, south of Dickinson.
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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 BIS wrote it up.
Very heavy rainfall of 3 to 5 inches from thunderstorms resulted in a flash flood in Stark County, south of Dickinson.
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 Bismarck, ND wrote its last area forecast discussion before the first event at Jul 18, 1:45 AM MST, 2 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BISMARCK ND 345 AM CDT WED JUL 18 2007 .SHORT TERM...TODAY THROUGH FRIDAY NIGHT... FORECAST CONCERN TODAY IS CHANCES FOR THUNDERSTORMS TODAY AND THIS EVENING. MODELS IN GOOD AGREEMENT AND USED A BLEND OF THE GFS AND NAM FOR DETAILS. LATEST SURFACE ANALYSIS SHOWED BROAD HIGH PRESSURE OVER SASKATCHEWAN TO NORTHEASTERN NORTH DAKOTA...WITH BROAD LOW PRESSURE FROM ALBERTA THROUGH MONTANA AND WYOMING INTO SOUTH DAKOTA AND NEBRASKA. SHOWERS AND THUNDERSTORMS HAVE BEEN ONGOING IN THE VICINITY OF THE BROAD SURFACE LOW PRESSURE FROM MONTANA TO NORTHERN NEBRASKA. THE AREA OF PRECIPITATION CONTINUES TO MOVE EASTWARD ACROSS THE NORTHERN PLAINS. THE CONVECTION APPEARS TO BE MAINTAINED BY UPPER LEVEL SHORTWAVE IMPULSES MOVING EAST/SOUTHEAST ACROSS THE REGION ACCORDING TO BOTH THE GFS AND NAM MODELS. I EXPECT THIS ACTIVITY TO CONTINUE THROUGH THE MORNING HOURS AS PER THE MODELS. BY AFTERNOON THE SHORTWAVES SHOULD BE SOUTHEAST OF THE STATE. FORECAST SOUNDINGS INDICATE THAT THERE IS PLENTY OF INSTABILITY FOR AFTERNOON CONVECTION...ESPECIALLY IN THE WEST AND SOUTH. THE COOLER AND DRIER HIGH PRESSURE OVER SOUTHERN CANADA IS FORECAST TO NUDGE FARTHER INTO NORTHEASTERN NORTH DAKOTA TODAY AND WILL LIKELY INHIBIT CONVECTIVE CHANCES. I KEPT PRECIP CHANCES MENTIONED FOR THIS EVENING IN MY WESTERN COUNTIES BUT EXPECT THAT ANY SHOWERS/THUNDERSTORMS WILL DISSIPATE TOWARDS SUNSET. THE BROAD HIGH PRESSURE IS PROGGED TO CONTINUE PUSHING SOUTHEAST INTO THE EASTERN DAKOTAS TONIGHT AND THURSDAY. BY FRIDAY MORNING THE HIGH PRESSURE CENTER SHOULD BE OVER MINNESOTA...AND CONTINUE MOVING SOUTH TOWARDS THE MISSISSIPPI VALLEY. GUIDANCE TEMPERATURES INDICATE HIGHS IN THE 80S TODAY...AND MAINLY IN THE 70S AND 80S THURSDAY. RETURN SOUTHEAST FLOW ON FRIDAY WILL ALLOW TEMPS TO RISE BACK UP INTO THE 80S AND 90S FOR FRIDAY. .LONG TERM...SUNDAY THROUGH WEDNESDAY... EXTENDED FORECAST PERIOD CONTINUES TO BE DOMINATED BY THE LARGE AND PERSISTENT H5 RIDGE CENTERED OVER WYOMING EARLY IN THE EXTENDED PERIOD. THIS RIDGE SLOWLY FLATTENS BY WEDNESDAY AS SOME SHORTWAVE ENERGY TOPS THE RIDGE. THE RESULT OF THIS WILL BE THE VERY WARM AIR OVER THE WESTERN US WILL FINALLY SPREAD TO THE NORTHERN PLAINS. THIS PERIOD LOOKS TO BE HOT AND DRY CAPPED BY WARM MID LEVEL TEMPS. GFS HINTS AT A NOCTURNAL MCS TUESDAY NIGHT/WEDNESDAY WITH SHORTWAVE. WILL NOT MENTION PRECIP AT THIS TIME UNTIL GET A BETTER LOOK AT THE SHORTWAVE TIMING. && .AVIATION... WARM/STATIONARY FRONT OVER SOUTH DAKOTA WITH AN ASSOCIATED INVERTED TROF INTO EASTERN MONTANA WILL BE THE FOCAL POINT FOR THUNDERSTORMS THIS FORECAST PERIOD. LOW LEVEL UPSLOPE FLOW THIS MORNING LOOKS TO BE SUSTAINING ELEVATED CONVECTION OVER ERN MONTANA AND SOUTHWEST NORTH DAKOTA NORTH OF WARM FRONTAL BOUNDARY. EXPECT THUNDERSTORMS TO DRIFT SOUTHEAST AS HIGH PRESSURE BUILDS INTO SASK/MANT BY THIS AFTN. WILL KEEP THUNDERSTORMS AT DIK/BIS/JMS FOR THE MORNING. AFTER 18Z MOST CONVECTION EXPECTED TO BE CONFINED TO ND/SD BORDER REGION NORTH OF FRONTAL ZONE. .BIS WATCHES/WARNINGS/ADVISORIES... NONE. && JV/WA
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 510 AM CDT WED JUL 18 2007 NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-191015- DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD- MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS- FOSTER-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER- STUTSMAN-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN- LA MOURE-MCINTOSH-DICKEY- 510 AM CDT WED JUL 18 2007 /410 AM MDT WED JUL 18 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL NORTH DAKOTA...NORTHWEST NORTH DAKOTA...SOUTH CENTRAL NORTH DAKOTA...SOUTHEAST NORTH DAKOTA AND SOUTHWEST NORTH DAKOTA. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE THIS MORNING IN THE SOUTHWEST AND SOUTH CENTRAL. THERE IS A CHANCE OF AFTERNOON THUNDERSTORMS OVER ALL OF WESTERN AND CENTRAL NORTH DAKOTA TODAY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. JV
The Bismarck radar (KBIS), 154 km away, was scanning. The volume nearest the first event began at 11:14 UTC.
1 flash flood. Local standard time, as filed.
Ditches and creeks were full to overflowing from 3 to 5 inches of rain in the area. Water was running nearly a foot deep over some county roads.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2007Every state in 2007This day in weather historyWarnings in North Dakota, July 2007
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: 47081.