Alert archive / North Dakota / Flash Flood Warnings in 2011

Flash Flood Warning 25, NWS Bismarck, ND

July 15, 2011Foster County, Stutsman County, North Dakota

NWS Bismarck, ND issued this flash flood warning at Jul 15, 2011, 2:48 AM CDT for Foster County, Stutsman County, North Dakota. It was in force for 4 hr. 4 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
Jul 15, 2011, 2:48 AM CDT (07:48 UTC)
Expired
Jul 15, 2011, 7:09 AM CDT
In force
4 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), 104 km from the middle of the area, began a volume at 07:50 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
Jul 15, 3:00 AM CDTHEAVY RAIN 2.75Courtenay, NDLATE REPORT.
Jul 15, 3:45 AM CDTHEAVY RAIN 2.455 Ene Edmunds, NDSTORM TOTAL PRECIP.
Jul 15, 4:00 AM CDTHEAVY RAIN 2.457 W Kensal, ND2-4 AM TOTAL. LATE REPORT.
Jul 15, 7:00 AM CDTHEAVY RAIN 2.8Wimbledon, ND24 HR RAINFALL.

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, 7.8 hours before the alert went out and 165 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 2011-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2132 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2011-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
2132 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

576 
WGUS53 KBIS 150748
FFWBIS
NDC031-093-151400-
/O.NEW.KBIS.FF.W.0025.110715T0748Z-110715T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
248 AM CDT FRI JUL 15 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

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

* UNTIL 900 AM CDT

* AT 245 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  TRAINING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE         
  WARNED AREA. ESTIMATED RAINFALL OF TWO TO FOUR INCHES HAS ALREADY  
  FALLEN OVER THE WARNED AREA...WITH AN ADDITIONAL ONE TO THREE      
  INCHES EXPECTED. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO   
  OCCUR OVER THE WARNED AREA. FLASH FLOODING IS EXPECTED TO OCCUR    
  OVER MAINLY RURAL AREAS OF EASTERN FOSTER AND NORTHEASTERN         
  STUTSMAN COUNTIES...INCLUDING THE TOWNS OF                         
  BUCHANAN...COURTENAY...GLENFIELD...GRACE CITY...                   
  JUANITA...KENSAL...MCHENRY...PINGREE AND SPIRITWOOD LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

REPORT FLOODING TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
BISMARCK AT 701-223-4582.

&&

LAT...LON 4705 9892 4759 9891 4759 9848 4734 9849
      4732 9845 4707 9846

$$

HEINERT
3 follow-up statements
234 
WGUS73 KBIS 150843
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
343 AM CDT FRI JUL 15 2011

NDC031-093-151400-
/O.CON.KBIS.FF.W.0025.000000T0000Z-110715T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FOSTER ND-STUTSMAN ND-
343 AM CDT FRI JUL 15 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN STUTSMAN
AND EASTERN FOSTER COUNTIES UNTIL 900 AM CDT...

AT 342 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
RAINFALL OF THREE TO OVER FIVE INCHES HAS FALLEN ACROSS THE WARNED 
AREA. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR OVER MAINLY RURAL AREAS OF EASTERN FOSTER AND NORTHEASTERN 
STUTSMAN COUNTIES...INCLUDING THE TOWNS OF 
BUCHANAN...COURTENAY...GLENFIELD...GRACE 
CITY...JUANITA...KENSAL...MCHENRY...PINGREE AND SPIRITWOOD LAKE.

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.

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.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN BISMARCK.

&&

LAT...LON 4705 9892 4759 9891 4759 9848 4734 9849
      4732 9845 4707 9846

$$

HEINERT
556 
WGUS73 KBIS 151020
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
520 AM CDT FRI JUL 15 2011

NDC031-093-151400-
/O.CON.KBIS.FF.W.0025.000000T0000Z-110715T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FOSTER ND-STUTSMAN ND-
520 AM CDT FRI JUL 15 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN STUTSMAN
AND EASTERN FOSTER COUNTIES UNTIL 900 AM CDT...

AT 515 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
RAINFALL OF THREE TO OVER FIVE INCHES HAS FALLEN ACROSS THE WARNED 
AREA. ADDITIONAL RAINFALL OF ONE TO TWO INCHES IS POSSIBLE OVER THE 
NEXT TWO HOURS ACROSS PORTIONS OF NORTHEASTERN STUTSMAN COUNTY. 

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.

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.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN BISMARCK.

&&

LAT...LON 4705 9892 4759 9891 4759 9848 4734 9849
      4732 9845 4707 9846

$$

HEINERT
340 
WGUS73 KBIS 151209
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
709 AM CDT FRI JUL 15 2011

NDC031-093-151223-
/O.CAN.KBIS.FF.W.0025.000000T0000Z-110715T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FOSTER ND-STUTSMAN ND-
709 AM CDT FRI JUL 15 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHEASTERN 
STUTSMAN AND EASTERN FOSTER COUNTIES HAS BEEN REPLACED WITH AN 
AERIAL FLOOD WARNING. PLEASE REFER TO THAT PRODUCT FOR SPECIFIC 
INFORMATION...


LAT...LON 4705 9892 4759 9891 4759 9848 4734 9849
      4732 9845 4707 9846

$$

HEINERT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 11:42 PM CDTSevere Thunderstorm WarningBISBillings, Golden Valley, McKenzie63 min
Jul 15, 12:52 AM CDTAreal Flood AdvisoryBISFoster, Kidder, Stutsman, Wells6 hr
Jul 15, 1:01 AM CDTSevere Thunderstorm WarningBISBillings, Dunn44 min
Jul 15, 1:05 AM CDTSevere Thunderstorm WarningBISFoster55 min
Jul 15, 1:07 AM CDTSevere Thunderstorm WarningBISDunn, McKenzie, Mountrail53 min
Jul 15, 1:13 AM CDTFlash Flood WarningBISFoster, Wells6 hr
Jul 15, 1:23 AM CDTSevere Thunderstorm WarningBISDunn, Mercer, Stark37 min
Jul 15, 1:29 AM CDTAreal Flood AdvisoryBISBurleigh, Kidder4 hr
Jul 15, 1:43 AM CDTSevere Thunderstorm WarningBISDunn, McKenzie, McLean, Mercer, Mountrail, Williams62 min
Jul 15, 2:02 AM CDTSevere Thunderstorm WarningBISFoster, Stutsman58 min
Jul 15, 2:12 AM CDTAreal Flood AdvisoryBISDunn, McKenzie, McLean, Mountrail, Williams3 hr
Jul 15, 2:20 AM CDTSevere Thunderstorm WarningBISMcLean, Mountrail, Ward55 min
Jul 15, 2:38 AM CDTAreal Flood AdvisoryBISFoster, Kidder, Stutsman4 hr
Jul 15, 2:58 AM CDTSevere Thunderstorm WarningBISStutsman32 min
Jul 15, 3:11 AM CDTSevere Thunderstorm WarningBISMcHenry, Renville, Ward49 min
Jul 15, 3:21 AM CDTSevere Thunderstorm WarningBISStutsman19 min
Jul 15, 4:15 AM CDTExcessive Heat WatchBISAdams, Burleigh, Dickey, Dunn, Emmons, Foster and 12 more11 hr
Jul 15, 5:27 AM CDTAreal Flood AdvisoryBISStutsman114 min
Jul 15, 6:59 AM CDTAreal Flood WarningBISFoster, Kidder, Stutsman, Wells12 hr
Jul 15, 7:45 AM CDTRiver Flood WarningBISStutsman40 days
Jul 15, 3:01 PM CDTExcessive Heat WarningBISAdams, Bottineau, Burke, Burleigh, Dickey, Divide and 22 more5 days

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.