Alert archive / North Dakota / Flash Flood Warnings in 2011

Flash Flood Warning 45, NWS Bismarck, ND

August 12, 2011Foster County, Stutsman County, North Dakota

NWS Bismarck, ND issued this flash flood warning at Aug 12, 2011, 2:27 PM CDT for Foster County, Stutsman County, North Dakota. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 12, 2011, 2:27 PM CDT (19:27 UTC)
Expired
Aug 12, 2011, 7:20 PM CDT
In force
5 hr
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Flood severity
None

Counties Foster County, ND, Stutsman County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 120 km from the middle of the area, began a volume at 19:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.5 hours before the alert went out and 150 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Bismarck Municip, ND at 12:00Z on 2011-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1057 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2011-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1057 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
-21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

852 
WGUS53 KBIS 121927
FFWBIS
NDC031-093-130130-
/O.NEW.KBIS.FF.W.0045.110812T1927Z-110813T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
227 PM CDT FRI AUG 12 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN STUTSMAN COUNTY IN SOUTHEAST NORTH DAKOTA...
  FOSTER COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 830 PM CDT

* AT 226 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RAINFALL RATES OF UP TO TWO INCHES PER HOUR ARE       
  POSSIBLE WITH THESE SLOW MOVING THUNDERSTORMS. THOSE ALONG THE     
  JAMES RIVER IN JAMESTOWN SHOULD BE ESPECIALLY OBSERVANT FOR        
  POSSIBLE RIVER LEVEL RISES AS A RESULT OF RUNOFF FROM THIS         
  RAINFALL. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...     
  JAMESTOWN...CARRINGTON AND GRACE CITY.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
PIPESTEM CREEK...BALDHILL CREEK...LITTLE PIPESTEM CREEK...SEVENMILE
COULEE...JAMES RIVER...KELLY CREEK...STONY BROOK...STREAMAN COULEE...
BEAVER CREEK...BUFFALO CREEK...SCOTTS SLOUGH AND ROCKY RUN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

&&

LAT...LON 4664 9880 4730 9877 4731 9927 4759 9926
      4760 9926 4758 9848 4699 9846 4698 9843
      4663 9844

$$

AYD
2 follow-up statements
556 
WGUS73 KBIS 122150
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
450 PM CDT FRI AUG 12 2011

NDC031-093-130130-
/O.CON.KBIS.FF.W.0045.000000T0000Z-110813T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FOSTER ND-STUTSMAN ND-
450 PM CDT FRI AUG 12 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN STUTSMAN AND
FOSTER COUNTIES UNTIL 830 PM CDT...

AT 443 PM CDT...DOPPLER RADAR ESTIMATES INDICATE THAT TWO TO THREE 
INCHES OF RAIN WITH LOCALLY HIGHER AMOUNTS HAS FALLEN FROM 
APPROXIMATELY BUCHANAN...THROUGH BORDULAC...TO JUST SOUTH OF GRACE 
CITY...WITH ONE AND A QUARTER TO TWO INCHES OF RAINFALL IN THE CITY 
OF JAMESTOWN. AS OF 433 PM CDT...THE JAMES RIVER AT JAMESTOWN WAS AT 
11.53 FEET. AT 215 PM CDT...THE RELEASES FROM JAMESTOWN RESERVOIR 
WERE REDUCED FROM 800 TO 600 CFS. AT 245 PM CDT...THE JAMESTOWN 
RESERVOIR RELEASES WERE FURTHER REDUCED TO 400 CFS...AND THE 
PIPESTEM RESERVOIR FROM 1000 TO 800 CFS. ADDITIONAL RISES ON THE 
JAMES RIVER THROUGH JAMESTOWN ARE POSSIBLE THROUGH EARLY THIS 
EVENING FROM LOCAL RUNOFF...WITH RIVER LEVELS EXPECTED TO DECREASE 
LATER THIS EVENING RESULTING FROM CUTS IN THE RESERVOIR RELEASES. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...JAMESTOWN...BORDULAC AND PINGREE. 

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
PIPESTEM CREEK...BALDHILL CREEK...LITTLE PIPESTEM CREEK...SEVENMILE
COULEE...JAMES RIVER...KELLY CREEK...STONY BROOK...STREAMAN COULEE...
BEAVER CREEK...BUFFALO CREEK...SCOTTS SLOUGH AND ROCKY RUN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

&&

LAT...LON 4664 9880 4730 9877 4731 9927 4759 9926
      4760 9926 4758 9848 4699 9846 4698 9843
      4663 9844

$$

AYD
402 
WGUS73 KBIS 130020
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
720 PM CDT FRI AUG 12 2011

NDC031-093-130032-
/O.CAN.KBIS.FF.W.0045.000000T0000Z-110813T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FOSTER ND-STUTSMAN ND-
720 PM CDT FRI AUG 12 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR FOSTER AND PARTS 
OF STUTSMAN COUNTIES HAS BEEN REPLACED WITH AN AREAL FLOOD WARNING...

THE FLASH FLOOD WARNING HAS BEEN REPLACED WITH AN AREAL FLOOD 
WARNING FOR FOSTER AND PARTS OF STUTSMAN COUNTIES.

SEE THE NATIONAL WEATHER SERVICE FLOOD WARNING PRODUCT FOR THESE 
AREAS. THIS IS AVAILABLE AT WWW.WEATHER.GOV/BIS AND IS SHADED ON THE 
MAIN PAGE MAP. CLICK ON THE IMAGE FOR THE LATEST INFORMATION.

EXCESS RUNOFF FROM HEAVY RAIN CONTINUES BUT IT HAS NOW TRANSITIONED 
TO A LONGER TERM FLOOD AND LESS OF A FLASH TYPE FLOOD.

LAT...LON 4664 9880 4730 9877 4731 9927 4759 9926
      4760 9926 4758 9848 4699 9846 4698 9843
      4663 9844

$$

SIMOSKO/MARTIN

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 4:19 AM CDTAreal Flood AdvisoryBISDivide, Williams3 hr
Aug 12, 12:41 PM CDTAreal Flood AdvisoryBISBottineau, Pierce, Rolette6 hr
Aug 12, 12:53 PM CDTFlash Flood WarningBISKidder, Sheridan, Wells6 hr
Aug 12, 1:53 PM CDTFlash Flood WarningBISKidder, Stutsman5 hr
Aug 12, 2:35 PM CDTSevere Thunderstorm WarningBISStutsman55 min
Aug 12, 3:01 PM CDTTornado WarningBISStutsman16 min
Aug 12, 3:08 PM CDTSevere Thunderstorm WarningBISLaMoure67 min
Aug 12, 3:28 PM CDTTornado WarningBISStutsman32 min
Aug 12, 3:29 PM CDTSevere Thunderstorm WarningBISStutsman31 min
Aug 12, 3:53 PM CDTSevere Thunderstorm WarningBISDickey45 min
Aug 12, 3:59 PM CDTTornado WarningBISLaMoure31 min
Aug 12, 4:15 PM CDTAreal Flood AdvisoryBISDickey, LaMoure6 hr
Aug 12, 6:56 PM CDTAreal Flood WarningBISFoster, Kidder, Stutsman, Wells65 hr

Nearby

Flash Flood Warnings in North Dakota, 2011Every flash flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.