Alert archive / North Dakota / Flash Flood Warnings in 2011

Flash Flood Warning 22, NWS Bismarck, ND

July 6, 2011McKenzie County, North Dakota

NWS Bismarck, ND issued this flash flood warning at Jul 6, 2011, 5:37 PM CDT for McKenzie County, North Dakota. It was in force for 3 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: Jul 6, 2011, 5:37 PM CDT (22:37 UTC)
Expired: Jul 6, 2011, 9:01 PM CDT
In force: 3 hr
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Flood severity: None

County McKenzie County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.6 hours before the alert went out and 231 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1794 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 146 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.

607 
WGUS53 KBIS 062237
FFWBIS
NDC053-070430-
/O.NEW.KBIS.FF.W.0022.110706T2237Z-110707T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
437 PM MDT WED JUL 6 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL MCKENZIE COUNTY IN NORTHWEST NORTH DAKOTA...

* UNTIL 1030 PM MDT.

* AT 434 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. AROUND 1 TO 2 INCHES OF RAIN HAS FALLEN SINCE 3 PM    
  MDT...AND ANOTHER 1 TO 3 INCHES OF RAIN IS POSSIBLE.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS
  OF CENTRAL MCKENZIE COUNTY...INCLUDING THE TOWNS OF ALEXANDER...   
  ARNEGARD...RAWSON AND THEODORE ROOSEVELT NATIONAL PARK NORTH UNIT.


THIS INCLUDES THE LITTLE MISSOURI RIVER THROUGH THE NORTH UNIT...AND 
THE FOLLOWING STREAMS AND DRAINAGES...

CHERRY CREEK...TIMBER CREEK...CHARBONNEAU CREEK...SPRING 
CREEK...ELKHORN CREEK...RED WING CREEK...CORRAL CREEK...CROSBY 
CREEK...ANTELOPE CREEK...DRY CREEK...SQUAW CREEK...BENNETT 
CREEK...RUSSIAN CREEK AND TOBACCO GARDEN CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. 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 4784 10377 4795 10352 4761 10309 4753 10309
      4742 10334

$$

RK/TWH

2 follow-up statements

303 
WGUS73 KBIS 062319
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
619 PM CDT WED JUL 6 2011

NDC053-070430-
/O.CON.KBIS.FF.W.0022.000000T0000Z-110707T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCKENZIE ND-
519 PM MDT WED JUL 6 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL MCKENZIE COUNTY
UNTIL 1030 PM MDT...

AT 510 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL WEST OF GRASSY BUTTE...IN THE 
FAR SOUTHERN PORTION OF THE WARNING AREA. HOWEVER...ADDITIONAL 
STORMS ARE DEVELOPING JUST NORTHWEST OF ALEXANDER...AND ARE EXPECTED 
TO MOVE SOUTH INTO THE WARNING AREA. DOPPLER RADAR ESTIMATES 2 TO 3 
INCHES OF RAIN FELL BETWEEN 3 AND 5 PM MDT...OVER PARTS OF THE NORTH 
UNIT OF THEODORE ROOSEVELT NATIONAL PARK. ADDITIONAL HEAVY RAIN IS 
POSSIBLE THIS EVENING.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR...ESPECIALLY ALONG SMALL CREEKS AND STREAMS IN THE NORTH 
UNIT...AS WELL AS LOW WATER CROSSINGS AND NORMALLY DRY DITCHES AND 
RAVINES.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES NEAR THE LITTLE 
MISSOURI RIVER...

CHERRY CREEK...TIMBER CREEK...CHARBONNEAU CREEK...SPRING 
CREEK...ELKHORN CREEK...RED WING CREEK...CORRAL CREEK...CROSBY 
CREEK...ANTELOPE CREEK...DRY CREEK...SQUAW CREEK...BENNETT 
CREEK...RUSSIAN CREEK AND TOBACCO GARDEN CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH
ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. 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 4784 10377 4795 10352 4761 10309 4753 10309
      4742 10334

$$

KINNEY

150 
WGUS73 KBIS 070201
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
901 PM CDT WED JUL 6 2011

NDC053-070215-
/O.CAN.KBIS.FF.W.0022.000000T0000Z-110707T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCKENZIE ND-
801 PM MDT WED JUL 6 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL MCKENZIE
COUNTY IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA WERE BEGINNING TO RECEDE...ENDING THE 
FLOOD THREAT. SMALL CREEKS AND STREAMS MAY STILL RUN HIGH FOR THE 
NEXT COUPLE OF HOURS...BUT NO ADDITIONAL HEAVY RAIN IS EXPECTED THIS 
EVENING. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR 
LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 4784 10377 4795 10352 4761 10309 4753 10309
      4742 10334

$$

HAMILTON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 1:29 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, Slope	61 min
Jul 6, 1:46 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Stark	59 min
Jul 6, 2:29 PM CDT	Severe Thunderstorm Warning	BIS	Slope	31 min

Nearby

Flash Flood Warnings in North Dakota, 2011 Every 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.