Alert archive / North Dakota / Flash Flood Warnings in 2011

Flash Flood Warning 2, NWS Bismarck, ND

June 2, 2011Bottineau County, McHenry County, Rolette County, North Dakota

NWS Bismarck, ND issued this flash flood warning at Jun 2, 2011, 9:19 PM CDT for Bottineau County, McHenry County, Rolette County, North Dakota. It was in force for 5 hr. 2 reports 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 2, 2011, 9:19 PM CDT (02:19 UTC)
Expired
Jun 3, 2011, 2:20 AM CDT
In force
5 hr
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Flood severity
None

Counties Bottineau County, ND, McHenry County, ND, Rolette County, ND

What was reported inside it

TimeReportWhereRemark
Jun 2, 9:43 PM CDTHEAVY RAIN 0.84 S Bottineau, NDRAINFALL TOTAL OVER FIFTEEN MINUTES...
Jun 2, 10:11 PM CDTHEAVY RAIN 1Bottineau, NDPUBLIC REPORT RELAYED BY BROADCAST MEDIA... 1 INCH OF RAINFALL OVER 20 MINUTES WITH SMALL HAIL...

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, 2.3 hours before the alert went out and 228 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 2011-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2239 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 2011-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.19395878Sfc1 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
2239 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
1718 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

036 
WGUS53 KBIS 030219
FFWBIS
NDC009-049-079-030830-
/O.NEW.KBIS.FF.W.0002.110603T0219Z-110603T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
919 PM CDT THU JUN 2 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN BOTTINEAU COUNTY IN NORTH CENTRAL NORTH DAKOTA...
  NORTHEASTERN MCHENRY COUNTY IN NORTH CENTRAL NORTH DAKOTA...
  NORTHWESTERN ROLETTE COUNTY IN NORTH CENTRAL NORTH DAKOTA...

* UNTIL 330 AM CDT FRIDAY

* AT 915 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. THESE THUNDERSTORMS WERE MOVING OVER AREAS THAT       
  RECEIVED SIGNIFICANT RAINFALL EARLIER THIS WEEK...INCLUDING        
  BOTTINEAU AND LAKE METIGOSHE STATE PARK. RAINFALL RATES OF ONE TO 
  TWO INCHES PER HOUR ARE POSSIBLE WITH THESE STORMS. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...     
  BOTTINEAU...DUNSEITH...THE INTERNATIONAL PEACE GARDEN...AND        
  LOCATIONS DOWNSTREAM OF THOMPSON LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

&&

LAT...LON 4900 9974 4843 10042 4853 10071 4900 10041

$$

KINNEY/AYD
2 follow-up statements
420 
WGUS73 KBIS 030347
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1047 PM CDT THU JUN 2 2011

NDC009-049-079-030830-
/O.CON.KBIS.FF.W.0002.000000T0000Z-110603T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOTTINEAU ND-MCHENRY ND-ROLETTE ND-
1047 PM CDT THU JUN 2 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN ROLETTE...
NORTHEASTERN MCHENRY AND EASTERN BOTTINEAU COUNTIES UNTIL 330 AM
CDT...

AT 1034 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL EXITING THE FAR NORTHEAST 
PORTION OF THE WARNED AREA. RAINFALL ESTIMATES OF 1 TO 3 INCHES 
EXTENDED FROM NEAR GARDENIA...NORTHEAST TO NEAR BOTTINEAU...TO THE 
INTERNATIONAL PEACE GARDEN. THE HIGHEST RAINFALL ESTIMATES EXTENDED 
FROM JUST EAST OF BOTTINEAU...TO THE INTERNATIONAL PEACE GARDEN. A 
PUBLIC REPORT OF AN INCH OF RAIN IN 20 MINUTES WAS RECEIVED AROUND 
BOTTINEAU. ALTHOUGH THE RAIN HAS NEARLY ENDED IN THE WARNED 
AREA...IT WILL TAKE SEVERAL MORE HOURS FOR RUNOFF TO WORK ITS WAY 
INTO THE MAJOR STREAMS. THEREFORE...FLASH FLOODING IS STILL POSSIBLE 
ACROSS THE WARNED AREA LATE TONIGHT AND EARLY FRIDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH 
ARE POTENTIALLY DANGEROUS. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED 
ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY 
FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 4900 9974 4843 10042 4853 10071 4900 10041

$$

HAMILTON
251 
WGUS73 KBIS 030720
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
220 AM CDT FRI JUN 3 2011

NDC009-049-079-030735-
/O.CAN.KBIS.FF.W.0002.000000T0000Z-110603T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOTTINEAU ND-MCHENRY ND-ROLETTE ND-
220 AM CDT FRI JUN 3 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHWESTERN
ROLETTE...NORTHEASTERN MCHENRY AND EASTERN BOTTINEAU COUNTIES IS
CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 4900 9974 4843 10042 4853 10071 4900 10041

$$

SIMOSKO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 7:20 PM CDTAreal Flood AdvisoryBISBottineau, Rolette8 days
Jun 2, 8:13 PM CDTSevere Thunderstorm WarningBISGrant, Sioux51 min
Jun 2, 8:30 PM CDTSevere Thunderstorm WarningBISBottineau, McHenry45 min
Jun 2, 8:51 PM CDTSevere Thunderstorm WarningBISBottineau, Rolette54 min
Jun 2, 9:09 PM CDTSevere Thunderstorm WarningBISBottineau, McHenry36 min
Jun 2, 9:39 PM CDTSevere Thunderstorm WarningBISBottineau, Rolette66 min
Jun 2, 11:57 PM CDTSevere Thunderstorm WarningBISEmmons, Sioux63 min
Jun 3, 12:49 AM CDTSevere Thunderstorm WarningBISEmmons, Logan, McIntosh56 min
Jun 3, 1:18 AM CDTSevere Thunderstorm WarningBISBurleigh, Kidder, Stutsman57 min
Jun 3, 1:56 AM CDTSevere Thunderstorm WarningBISFoster, Stutsman, Wells64 min
Jun 3, 2:13 AM CDTTornado WarningBISStutsman32 min
Jun 3, 3:36 AM CDTWind AdvisoryBISAdams, Billings, Bottineau, Bowman, Burke, Burleigh and 17 more17 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.