Thunderstorms flared up along a frontal boundary located just north of Devils Lake, North Dakota. Several reports of strong wind gusts were recorded.
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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 FGF wrote it up.
Thunderstorms flared up along a frontal boundary located just north of Devils Lake, North Dakota. Several reports of strong wind gusts were recorded.
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 8, 10:37 PM CST, 1 hour 28 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND FORKS ND 1137 PM CDT MON JUL 8 2013 .UPDATE... ISSUED AT 1137 PM CDT MON JUL 8 2013 SEVERE TSTM WATCH 403 STILL IN EFFECT UNTIL 4 AM CDT. HOWEVER WFO BIS ONLY HAS 1 WARNING STILL IN EFFECT AND IT APPEARS THE STRONGER CELLS NOW ARE DOWN AROUND MOBRIDGE SD. WITH LITTLE OR NO LOW LEVEL JET SUPPORT AND VERY LITTLE SHEAR THE TSTM COMPLEX MOVING INTO CENTRAL ND IS NOT GETTING MUCH TO SUSTAIN IT. WILL CONTINUE TO MONITOR THOUGH AND SEE WHAT HAPPENS. NOT LOOKING LIKE MUCH PCPN WILL REACH THE WESTERN FA UNTIL AFTER MIDNIGHT SO WILL CONTINUE TO DELAY THE ONSET OF THE HIGHER PCPN CHANCES UNTIL AFTER THEN. && .SHORT TERM...(THIS EVENING THROUGH TUESDAY NIGHT) ISSUED AT 325 PM CDT MON JUL 8 2013 FORECAST CHALLENGE CONCERNS PCPN CHANCES NEXT 24 HOURS AND TEMPERATURES. MODELS OVERALL IN FAIRLY GOOD AGREEMENT NEXT 24 HOURS WITH SHORTWAVE/COLD FRONTAL PASSAGE. REGION TO REMAIN IN ZONAL FLOW WITH TWO SHORTWAVES TO IMPACT CENTRAL AND NORTHERN PLAINS TONIGHT. FIRST WAVE ACROSS W NE/WYO TO AID IN CONVECTIVE DEVELOPMENT JUST TO OUR SOUTH. OF MORE CONCERN IS STRONGER WAVE WORKING INTO WESTERN MT. EXPECT CONVECTION ASSOCIATED WITH THIS FEATURE TO INCREASE IN ITS CURRENT COVERAGE AND PROPAGATE EAST OVERNIGHT. FAVORED LOCATION IS ACROSS NORTHERN ND WHERE MOST MODELS MAINTAIN SURFACE BOUNDARY. COULD SEE SOME SPOTTY CONVECTION ALONG ABOVE BOUNDARY THIS EVENING BUT MAIN COMPLEX LOOKS TO ENTERING NW FA MIDNIGHT OR AFTER. PRIMARY CONCERN AT THIS POINT WILL PROBABLY BE STRONG WIND. HAVE MAINTAIN HIGHER POPS THIS AREA. AFTER COORDINATION WITH SPC HAVE LIMITED SEVERE WORDING TO DVL BASIN AFT 06Z. WITH COLD FRONT HOLDING UP MAINLY N OF FA TEMPERATURES SHOULD REMAIN MILD OVERNIGHT. COLD FRONT DROPS THROUGH FA DURING THE DAY TUESDAY WILL LIKELY SEE SOME LINGERING CONVECTION ACROSS NORTHERN FA WITH SOME ADDITIONAL STORMS POSSIBLE ALONG COLD FRONT. COLD FRONT LOOKS TO BE ORIENTED ACROSS SE FA NEAR PRIME HEATING SO SEVERE POTENTIAL TOMORROW MAY BE LIMITED AS BOUNDARY WELL SE OF FA BY 00Z. STEADY COLD ADVECTION WILL HOLD TEMPERATURES AT OR BLO AVERAGE ACROSS NW FA WITH WARMEST TEMPERATURES ACROSS SE FA LAST TO SEE CFP. CONVECTION LIKELY TO BE OUT OF FA BY 00Z. COOLER MINIMUMS EXPECTED WITH LOWS GENERALLY IN THE 50S. .LONG TERM...(WEDNESDAY THROUGH MONDAY) ISSUED AT 325 PM CDT MON JUL 8 2013 HIGH PRESSURE BUILDS IN WEDNESDAY FOR TEMPERATURES LIKELY A LITTLE BLO AVERAGE. SURFACE RIDGE AXIS WILL BE OVER FA THURSDAY NIGHT FOR MORE COOL TEMPERATURES. SURFACE HIGH SHIFTS EAST THURSDAY. WARM ADVECTION AND RETURN FLOW SHOULD GET TEMPERATURES BACK TO AT OR ABOVE AVERAGE. AN UPPER LEVEL RIDGE SHOULD CREST OVER THE REGION EARLY IN THE PERIOD...WITH MORE ZONAL FLOW THEREAFTER. TEMPS SHOULD BEGIN THE PERIOD ABOVE NORMAL AND COOL TO NEAR NORMAL FOR SUN/MON. THERE WILL BE PERIODIC CHANCES FOR SHOWERS AND STORMS...WITH THE BEST CHANCES FRI AFTERNOON AND FRI NIGHT. FOR NOW WILL KEEP SUN/MONDAY DRY WITH SOME DRIER AIR AND HIGH PRESSURE PROGGED BY MOST MODELS...ALTHOUGH TOUGH TO TIME SYSTEMS DURING THIS TIME OF YEAR SO WILL CONTINUE TO MONITOR TRENDS. && .AVIATION...(FOR THE 06Z TAFS THROUGH 06Z TUESDAY NIGHT) ISSUED AT 1137 PM CDT MON JUL 8 2013 TRIED TO PUT A BEST GUESS FOR TIMING TSTMS INTO THE TAFS. LOOKING LIKE THE KDVL TAF MAY SEE THE THUNDER FIRST OR JUST AFTER MIDNIGHT. AS FOR THE OTHER TAFS IT WILL BE LATER IF AT ALL. THERE COULD ALSO BE SOME REDEVELOPMENT ALONG THE COLD FRONTAL BOUNDARY AS IT DROPS SOUTHEAST ON TUE. SO IF THIS COMPLEX DIES OUT LATE TONIGHT BEFORE IT REACHES THE RED RIVER VALLEY THERE MAY BE SOME REDEVELOPMENT BY THE NOON HOUR WHICH COULD STILL POSSIBLY AFFECT THE KFAR TAF. && .FGF WATCHES/WARNINGS/ADVISORIES... ND...NONE. MN...NONE. && UPDATE...GODON SHORT TERM...VOELKER LONG TERM...DK/VOELKER AVIATION...GODON
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND FORKS ND 552 AM CDT MON JUL 8 2013 MNZ005-006-008-009-013>017-022>024-027-028-030>032-040-091100- ROSEAU-LAKE OF THE WOODS-EAST MARSHALL-NORTH BELTRAMI-PENNINGTON- RED LAKE-EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN- SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WEST OTTER TAIL- EAST OTTER TAIL-WADENA-GRANT- 552 AM CDT MON JUL 8 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A COMPLEX OF THUNDERSTORMS IS EXPECTED TO MOVE INTO WESTERN MINNESOTA DURING THE EARLY MORNING HOURS TUESDAY. THE COMPLEX WILL BE WEAKENING AS IT MOVES EASTWARD...BUT SOME DAMAGING WIND GUSTS WILL BE POSSIBLE. AFTER A BREAK IN THE THUNDERSTORM ACTIVITY MID DAY...THUNDERSTORMS COULD REDEVELOP ACROSS WEST CENTRAL MINNESOTA DURING THE LATE AFTERNOON AS A COLD FRONT MOVES INTO THE REGION. LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY THREAT TUESDAY AFTERNOON AND EVENING. MORE THUNDERSTORM ACTIVITY IS EXPECTED FRIDAY AND ON AND OFF AGAIN THROUGH NEXT WEEKEND. EXACT THUNDERSTORM STRENGTH IS UNCERTAIN AT THIS POINT...SO STAY TUNED FOR FURTHER UPDATES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED EARLY TUESDAY MORNING. MNZ001>004-007-029-NDZ006>008-014>016-024-026>030-038-039-049- 052>054-091100- WEST POLK-NORMAN-CLAY-KITTSON-WEST MARSHALL-WILKIN-TOWNER- CAVALIER-PEMBINA-BENSON-RAMSEY-EASTERN WALSH-EDDY-NELSON- GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT- RICHLAND-WESTERN WALSH- 552 AM CDT MON JUL 8 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL BEGIN TO MOVE INTO THE DEVILS LAKE BASIN LATE THIS AFTERNOON...SPREADING EASTWARD TOWARDS THE RED RIVER VALLEY LATER TONIGHT. THERE IS A CHANCE FOR SOME LARGE HAIL IN THE DEVILS LAKE BASIN EARLY ON...BUT THE PRIMARY THREAT IS EXPECTED TO BE DAMAGING WINDS AS A COMPLEX OF THUNDERSTORMS ORGANIZES AND MOVES EASTWARD. EXACT PATH OF THE THUNDERSTORM COMPLEX IS STILL UNCERTAIN...BUT IT COULD PRODUCE WINDS IN EXCESS OF 60 MPH AS IT MOVES THROUGH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY RAIN AND THUNDERSTORMS COULD LINGER DURING THE EARLY MORNING HOURS TUESDAY. AFTER A BREAK IN THE THUNDERSTORM ACTIVITY MID DAY...THUNDERSTORMS COULD REDEVELOP ACROSS SOUTHEASTERN NORTH DAKOTA AND WEST CENTRAL MINNESOTA DURING THE LATE AFTERNOON AS A COLD FRONT MOVES INTO THE REGION. LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY THREAT TUESDAY AFTERNOON AND EVENING. MORE THUNDERSTORM ACTIVITY IS EXPECTED FRIDAY AND ON AND OFF AGAIN THROUGH NEXT WEEKEND. EXACT THUNDERSTORM STRENGTH IS UNCERTAIN AT THIS POINT...SO STAY TUNED FOR FURTHER UPDATES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT. JR
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1151 PM CDT MON JUL 8 2013
NDZ006-014-015-024-090545-
BENSON ND-EDDY ND-RAMSEY ND-TOWNER ND-
1151 PM CDT MON JUL 8 2013
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN TOWNER...SOUTHWESTERN
RAMSEY...WESTERN EDDY AND BENSON COUNTIES UNTIL 1245 AM CDT...
AT 1147 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
THUNDERSTORMS ALONG A LINE EXTENDING FROM 19 MILES NORTHWEST OF LEEDS
TO 37 MILES NORTHWEST OF MADDOCK TO 31 MILES SOUTHWEST OF MADDOCK...
MOVING TO THE NORTHEAST AT 40 MPH.
WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THE STORMS...ALONG WITH
FREQUENT LIGHTNING.
THE STORMS WILL BE NEAR...
PLEASANT LAKE AROUND 1210 AM CDT.
FILLMORE AND ESMOND AROUND 1220 AM CDT.
PERTH AND BISBEE AROUND 1225 AM CDT.
MADDOCK AND BAKER AROUND 1230 AM CDT.
BE PREPARED TO TAKE SHELTER IF THE STORMS INTENSIFY AND BECOME
SEVERE...OR A WARNING IS ISSUED BY THE NATIONAL WEATHER SERVICE.
LAT...LON 4837 9985 4838 9951 4871 9950 4876 9916
4842 9901 4759 9896 4759 9927 4784 9932
4785 9983
TIME...MOT...LOC 0451Z 242DEG 33KT 4841 9976 4819 10021
4768 9997
JKSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 102 AM CDT TUE JUL 9 2013 NDZ014-015-024-090700- BENSON ND-EDDY ND-RAMSEY ND- 102 AM CDT TUE JUL 9 2013 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN RAMSEY...EDDY AND SOUTHEASTERN BENSON COUNTIES UNTIL 200 AM CDT... AT 101 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING THUNDERSTORMS 6 MILES NORTHEAST OF NEW ROCKFORD...OR 27 MILES SOUTH OF DEVILS LAKE...MOVING TO THE NORTHEAST AT 25 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THE STORM. THE STORMS WILL BE NEAR... FORT TOTTEN AROUND 120 AM CDT. TOKIO...ST MICHAEL AND CAMP GRAFTON AROUND 135 AM CDT. DEVILS LAKE AND WARWICK AROUND 145 AM CDT. HAMAR AROUND 155 AM CDT. BE PREPARED TO TAKE SHELTER IF THE STORMS INTENSIFY AND BECOME SEVERE...OR A WARNING IS ISSUED BY THE NATIONAL WEATHER SERVICE. LAT...LON 4825 9855 4761 9855 4760 9918 4805 9940 TIME...MOT...LOC 0602Z 244DEG 21KT 4773 9901 JR
The Fargo/Grand Forks radar (KMVX), 146 km away, was scanning. The volume nearest the first event began at 06:05 UTC.
4 thunderstorm wind. Local standard time, as filed.
A 5,000 bushel steel grain bin was blown down by the strong winds.
Several large tree branches were blown down in a farm yard.
Three inch diameter tree branches were blown down.
The wind gust was measured by a RAWS mesonet sensor.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2013Every state in 2013This day in weather historyWarnings in North Dakota, July 2013
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: 459263, 451721, 451720, 451722.