North Dakota, 2011

Flooding in North Dakota, July 1 to 31, 2011

July 1 to 31, 2011 · NWS FGF · 3 events in 3 counties and zones

The month of July was fairly active weather-wise, but overall precipitation amounts were not impressive. 20 feet MSL.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$550,000
Crop damage
$60,000
Events
3

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.

What happened

The episode as NWS FGF wrote it up.

The month of July was fairly active weather-wise, but overall precipitation amounts were not impressive. Therefore the level of Devils Lake dropped slightly during the course of the month, from about 1454.30 feet MSL to about 1454.20 feet MSL. Stump Lake started the month around 1454.35 feet MSL and dropped to about 1454.15 feet MSL by the end of the month.

What forecasters said that day

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 Jun 30, 8:16 PM CST, 3 hours 44 minutes earlier.

Area forecast discussion, Jun 30, 8:16 PM CST, 3 hours 44 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GRAND FORKS ND
916 PM CDT THU JUN 30 2011

.UPDATE...
HEAT ADVISORY EXPIRED AT 02Z. PREVIOUS THINKING ON DRY WX UNTIL
LATE TONIGHT APPEARS GOOD FOR NOW. WINDS BEHIND FRONT ARE QUITE
WEAK WITH MAIN DRYING SLOWLY PUSHING EAST. OBS AT 02Z WOULD
INDICATE WIND SHIFT FROM BTWN HALLOCK AND ROSEAU TO JUST WEST OF
THIEF RIVER FALLS THEN TO ABOUT MOORHEAD THEN TO JUST WEST OF WAHPETON.

LATEST FROM SPC IS THAT STRONGEST ACTIVITY FROM COLORADO/SE
WYOMING UPPER LOW WILL STAY MORE OVER SRN SD TONIGHT...BUT STILL
EXPECT SOME SHOWERS AND EMBEDDED THUNDER TO SPREAD INTO SE ND
TOWARD 12Z. HOWEVER THE LATEST 23Z HRRR AND RUC ARE UNDER ENTHUSED
ABOUT THIS PROSPECT EVEN.

&&

.AVIATION...
WEAK FRONTAL BOUNDARY WITH A WIND SHIFT TO THE WEST AND THEN MORE
WEST-NORTHWEST WILL CONTINUE TO SLOWLY MARCH EAST THROUGH
NORTHWEST MINNESOTA WITH FRONT FROM JUST EAST OF INL TO AXN BY 12Z
FRIDAY. EXPECT VFR CONDITIONS WITH HIGH AND MID LEVEL CLOUD COVER.
THREAT FOR CONVECTION IS QUITE LOW STILL THINK SHOWER ACTIVITY IS
A DECENT CHANCE FOR FAR-BJI AREAS FRIDAY.

&&

.HYDROLOGY...

MINOR TO MODERATE FLOODING CONTINUES OR IS FORECASTED TO OCCUR ALONG
PORTIONS OF THE RED RIVER AND ITS MINNESOTA TRIBUTARIES. THE RED
RIVER HAS CRESTED AT HALSTAD AND IS MOVING ITS WAY NORTHWARD TOWARDS
EAST GRAND FORKS WHERE IT IS EXPECTED TO CREST AROUND 36.5 FEET ON
SATURDAY. FLOOD WARNINGS ON THE WILD RICE RIVER AT HENDRUM AND THE
MAPLE RIVER AT MAPLETON HAVE BEEN CANCELLED OR HAVE EXPIRED. RAIN
AMOUNTS FOR FRIDAY APPEAR UNDER ONE HALF INCH IN SE ND/WCNTRL MN.

THE EAST STUMP LAKE GAGE IS TO BE REPAIRED IN THE NEXT FEW DAYS.

&&

.PREV DISCUSSION... /ISSUED 742 PM CDT THU JUN 30 2011/

UPDATE...
COORDINATED WITH WFOS BIS/MPX CAP IS HOLDING. 00Z ABERDEEN
SOUNDING SHOWING 3712 J/KG AND -188 J/KG NEGATIVE. LAPS SHOWING
-100 TO -200 NEG BUOYANCY...WITH LOWEST POCKET RIGHT NEAR ROSEAU
WHERE DEW PT AT 81. A SMALL SHOWER IS TRYING TO DEVELOP IN THE MID
LEVELS JUST NORTH OF ROSEAU.

OTHERWISE WATER VAPOR SHOWING LITTLE MID OR UPPER LEVEL FORCING
THIS EVENING NEAR BOUNDARY WHICH IS PUSHING EAST AND NOW CLEARLY
SEEN ON KMVX 88D FROM ROSEAU TO THIEF RIVER FALLS TO FARGO.

BASED ON OFFICE DISCUSSIONS....HAVE PULLED POPS MOST AREAS UNTIL
LATER TONIGHT AS SHORT WAVE FROM THE SOUTHWEST MOVES CLOSER. KEPT
A LOW POP THIS EVE UP IN ROX-BDE AREAS FOR SOME MID LEVEL
SHOWERS...BUT THAT IS IT.

SHORT WAVE AND SHOWERS/TSTMS TO MOVE NORTHEAST INTO SE ND TOWARD
12Z AND JUST AFTER INTO NRN MN. SVR THREAT NOT IMPOSSIBLE BUT
QUITE LOW AS EXTREMELY WEAK 850 MB INFLOW AND SHOWWALTERS POSITIVE
BY 12Z OVER ALL BUT THE FAR SOUTHEAST FCST AREA.

WILL UPDATE HWO AND WEB FOR LATEST FORECAST INFO. WILL LEAVE HEAT
ADIVSORY IN TIL 02Z AS A FEW SITES NEAR THE BOUNDARY HOLDING DEW
PTS IN THE UPPER 70S.

LONG TERM [SUNDAY NIGHT - WEDNESDAY]...

WARM AND DRY WEATHER IS FORECASTED FOR THE FOURTH OF JULY. THE
MODELS ARE IN DECENT AGREEMENT WITH BRINGING A COLD FRONT THROUGH
EASTERN NORTH DAKOTA AND THE RED RIVER VALLEY MONDAY AFTERNOON OR
EVENING. THIS COULD POSE TROUBLE FOR HOLIDAY FESTIVITIES DUE TO
POSSIBLE ACCOMPANYING RAIN SHOWERS AND THUNDERSTORMS. THE LATEST 12Z
ECMWF IS FASTER THAN THE GFS...SO THE ECMWF SOLUTION WOULD POSSIBLY
DISRUPT EVENING FIREWORKS AND ACTIVITIES UP AND DOWN THE VALLEY.
HIGH PRESSURE SHOULD MOVE INTO THE NORTHERN PLAINS TUESDAY AND
PROVIDE A PERIOD OF DRY AND WARM WEATHER FOR THE MIDDLE OF THE WEEK.

&&

.FGF WATCHES/WARNINGS/ADVISORIES...
ND...NONE.
MN...NONE.
&&

RIDDLE
Hazardous weather outlook, Jun 30, 8:45 PM CST, 3 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE GRAND FORKS ND
945 PM CDT THU JUN 30 2011

MNZ002-003-006-009-013>017-022>024-027>032-040-NDZ038-039-049-052-
053-020230-
NORMAN-CLAY-LAKE OF THE WOODS-NORTH BELTRAMI-PENNINGTON-RED LAKE-
EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN-
SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WILKIN-
WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-BARNES-CASS-RANSOM-
SARGENT-RICHLAND-
945 PM CDT THU JUN 30 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TONIGHT

A FEW THUNDERSTORMS MIGHT MOVE NORTHEAST INTO SOUTHEAST NORTH
DAKOTA TOWARD DAYBREAK.  SEVERE WEATHER IS UNLIKELY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE WILL BE SOME SHOWERS AND ISOLATED THUNDERSTORMS FRIDAY...WITH
ANOTHER SMALL CHANCE SUNDAY AFTERNOON AND AGAIN LATE MONDAY
AND MONDAY NIGHT. NO SEVERE WEATHER IS EXPECTED WITH ANY OF THESE
EVENTS.

RIVER FLOODING WILL CONTINUE ALONG MOST OF THE MAINSTEM RED RIVER
AND SOME TRIBUTARIES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

MNZ001-004-005-007-008-NDZ006>008-014>016-024-026>030-054-020230-
WEST POLK-KITTSON-ROSEAU-WEST MARSHALL-EAST MARSHALL-TOWNER-
CAVALIER-PEMBINA-BENSON-RAMSEY-EASTERN WALSH-EDDY-NELSON-
GRAND FORKS-GRIGGS-STEELE-TRAILL-WESTERN WALSH-
945 PM CDT THU JUN 30 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A CHANCE FOR A FEW THUNDERSTORMS SUNDAY AFTERNOON AND
AGAIN LATE MONDAY AND MONDAY NIGHT. AT THIS TIME NO SEVERE WEATHER
IS ANTICIPATED.

RIVER FLOODING WILL CONTINUE ALONG MOST OF THE MAINSTEM RED RIVER
AND SOME TRIBUTARIES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

DTR

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 flood. Local standard time, as filed.

Flood, Nelson

When
July 1, 12:00 AM CST to July 31, 11:59 PM CST
Where
Nelson County, 8.74 mi WNW of Pelto to 2.8 mi SSW of Pekin
Cause
Heavy Rain
Property damage
$50,000
Crop damage
$10,000
Reported by
Emergency Manager
Coordinates
48.190, -98.400

Flood, Benson

When
July 1, 12:00 AM CST to July 31, 11:59 PM CST
Where
Benson County, 6.29 mi N of Leeds to 8.62 mi SW of Josephine
Cause
Heavy Rain
Property damage
$250,000
Crop damage
$25,000
Reported by
Emergency Manager
Coordinates
48.370, -99.410

Flood, Ramsey

When
July 1, 12:00 AM CST to July 31, 11:59 PM CST
Where
Ramsey County, 1.15 mi NW of St Joe to 5.38 mi W of Garske
Cause
Heavy Rain
Property damage
$250,000
Crop damage
$25,000
Reported by
Emergency Manager
Coordinates
48.530, -98.940

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in North Dakota in 2011Every state in 2011This day in weather historyWarnings in North Dakota, July 2011

Sources

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: 335498, 335499, 335500.