Alert archive / North Dakota / Flash Flood Warnings in 2011

Flash Flood Warning 13, NWS Bismarck, ND

June 20, 2011Foster County, Stutsman County, North Dakota

NWS Bismarck, ND issued this flash flood warning at Jun 20, 2011, 6:19 AM CDT for Foster County, Stutsman County, North Dakota. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 20, 2011, 6:19 AM CDT (11:19 UTC)
Expired
Jun 20, 2011, 12:30 PM CDT
In force
6 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), 126 km from the middle of the area, began a volume at 11:19 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.

What was reported inside it

TimeReportWhereRemark
Jun 20, 9:00 AM CDTHEAVY RAIN 4.229 Se Carrington, ND24 HOUR PRECIPITATION TOTAL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 11.3 hours before the alert went out and 146 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 00:00Z on 2011-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 167 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 00:00Z on 2011-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
167 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1769 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

363 
WGUS53 KBIS 201119
FFWBIS
NDC031-093-201730-
/O.NEW.KBIS.FF.W.0013.110620T1119Z-110620T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
619 AM CDT MON JUN 20 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

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

* UNTIL 1230 PM CDT

* AT 617 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. RADAR RAINFALL ESTIMATES RANGED FROM TWO TO FOUR 
  INCHES OVER THE WARNED AREA. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS
  OF CENTRAL FOSTER AND NORTH CENTRAL STUTSMAN COUNTIES...INCLUDING
  THE TOWNS OF BARLOW...BORDULAC...CARRINGTON...EDMUNDS...GRACE CITY
  AND MELVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...
OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A
SMALL ONE...ON FOOT OR IN A VEHICLE.

&&

LAT...LON 4721 9898 4737 9922 4759 9923 4759 9878
      4723 9873

$$

HEINERT
2 follow-up statements
466 
WGUS73 KBIS 201207
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
707 AM CDT MON JUN 20 2011

NDC031-093-201730-
/O.CON.KBIS.FF.W.0013.000000T0000Z-110620T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FOSTER ND-STUTSMAN ND-
707 AM CDT MON JUN 20 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTH CENTRAL STUTSMAN
AND CENTRAL FOSTER COUNTIES UNTIL 1230 PM CDT...

AT 659 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED 
AREA. RADAR RAINFALL ESTIMATES RANGED FROM TWO TO FIVE INCHES OVER 
THE WARNED AREA. 

THE HEAVIEST RAINFALL WAS LOCATED FROM NEAR BORDULAC AND LAKE GEORGE 
IN SOUTH CENTRAL FOSTER COUNTY...SOUTH TO AROUND EDMUNDS IN NORTH 
CENTRAL STUTSMAN COUNTY. ROADS IMPACTED INCLUDE...BUT ARE NOT 
LIMITED TO...HIGHWAY 200 EAST OF CARRINGTON AND HIGHWAY 9 EAST OF 
MELVILLE.  

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR. FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF 
CENTRAL FOSTER AND NORTH CENTRAL STUTSMAN COUNTIES...INCLUDING THE 
TOWNS OF BARLOW...BORDULAC...NEAR CARRINGTON...EDMUNDS...GRACE CITY 
AND MELVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

MOST FLOOD RELATED DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT OR
IN A VEHICLE.

&&

LAT...LON 4721 9898 4737 9922 4759 9923 4759 9878
      4723 9873

$$

HEINERT
782 
WGUS73 KBIS 201252
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
752 AM CDT MON JUN 20 2011

NDC031-093-201730-
/O.CON.KBIS.FF.W.0013.000000T0000Z-110620T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FOSTER ND-STUTSMAN ND-
752 AM CDT MON JUN 20 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTH CENTRAL STUTSMAN
AND CENTRAL FOSTER COUNTIES UNTIL 1230 PM CDT...

AT 742 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED 
AREA. RADAR ESTIMATED RAINFALL RANGED FROM THREE TO SIX INCHES OVER 
THE WARNED AREA. 

THE HEAVIEST RAINFALL WAS LOCATED FROM NEAR BORDULAC AND LAKE GEORGE 
IN SOUTH CENTRAL FOSTER COUNTY...SOUTH TO AROUND EDMUNDS IN NORTH 
CENTRAL STUTSMAN COUNTY. ROADS IMPACTED INCLUDE...BUT ARE NOT 
LIMITED TO...HIGHWAY 200 EAST OF CARRINGTON...HIGHWAY 9 EAST OF 
MELVILLE...AND HIGHWAY 52 NORTH OF PINGREE THROUGH MELVILLE. 

LAW ENFORCEMENT REPORTS ROADS NEAR BORDULAC ARE COVERED WITH OVER 4 
INCHES OF WATER. 

THIS IS A DANGEROUS SITUATION. RUNOFF FROM THIS EXCESSIVE RAINFALL 
WILL CAUSE FLASH FLOODING TO OCCUR. THE FLASH FLOODING IS EXPECTED 
TO OCCUR OVER MAINLY RURAL AREAS OF CENTRAL FOSTER AND NORTH CENTRAL 
STUTSMAN COUNTIES...INCLUDING THE TOWNS OF BARLOW...BORDULAC...NEAR 
CARRINGTON...EDMUNDS...GRACE CITY AND MELVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

MOST FLOOD RELATED DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT OR
IN A VEHICLE.

&&

LAT...LON 4721 9898 4737 9922 4759 9923 4759 9878
      4723 9873

$$
HEINERT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:36 PM CDTTornado WarningBISGolden Valley24 min
Jun 19, 8:26 PM CDTFlash Flood WarningBISGolden Valley3 hr
Jun 19, 11:15 PM CDTAreal Flood WarningBISMountrail17 hr
Jun 20, 1:04 AM CDTAreal Flood AdvisoryBISStutsman5 hr
Jun 20, 5:58 AM CDTAreal Flood AdvisoryBISFoster, Stutsman25 min
Jun 20, 2:12 PM CDTTornado WarningBISOliver33 min
Jun 20, 2:31 PM CDTTornado WarningBISMcLean29 min
Jun 20, 2:46 PM CDTTornado WarningBISMorton29 min
Jun 20, 3:15 PM CDTTornado WarningBISMercer30 min
Jun 20, 6:53 PM CDTAreal Flood AdvisoryBISOliver12 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.