Flash Flood Warning 39, NWS Bismarck, ND

Issued

Aug 5, 2011, 2:18 PM MDT (20:18 UTC)

Expired

Aug 5, 2011, 8:30 PM MDT

In force

6 hr

Issued by

NWS Bismarck, ND

Area

Storm-based polygon

Flood severity

None

Counties Billings County, ND, Dunn County, ND, Stark County, ND

The Bismarck radar (KBIS), 192 km from the middle of the area, began a volume at 20:20 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.

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

476 
WGUS53 KBIS 052018
FFWBIS
NDC007-025-089-060230-
/O.NEW.KBIS.FF.W.0039.110805T2018Z-110806T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
218 PM MDT FRI AUG 5 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN STARK COUNTY IN SOUTHWEST NORTH DAKOTA...
  SOUTHERN BILLINGS COUNTY IN SOUTHWEST NORTH DAKOTA...
  SOUTHWESTERN DUNN COUNTY IN SOUTHWEST NORTH DAKOTA...

* UNTIL 830 PM MDT.

* AT 217 PM MDT...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 STORMS...FALLING ON ALREADY SATURATED SOILS    
  FROM RAINFALL EARLIER THIS AFTERNOON. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS
  OF NORTHWESTERN STARK...SOUTHERN BILLINGS AND SOUTHWESTERN DUNN
  COUNTIES...INCLUDING THE TOWNS OF BELFIELD...FRYBURG...MEDORA...NEW
  HRADEC...SOUTH FAIRFIELD AND SOUTH HEART.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 4702 10361 4726 10279 4697 10278 4669 10323
      4665 10361

$$

AYD

139 
WGUS73 KBIS 052207
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
507 PM CDT FRI AUG 5 2011

NDC007-025-089-060230-
/O.CON.KBIS.FF.W.0039.000000T0000Z-110806T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BILLINGS ND-STARK ND-DUNN ND-
407 PM MDT FRI AUG 5 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN DUNN...
NORTHWESTERN STARK AND SOUTHERN BILLINGS COUNTIES UNTIL 830 PM MDT...

AT 405 PM MDT...DOPPLER RADAR ESTIMATES INDICATE THAT TWO TO FOUR 
INCHES OF RAIN HAS LIKELY FALLEN FROM BELFIELD...THROUGH SOUTH HEART 
TO JUST WEST OF NEW HRADEC. AT 320 PM MDT...2.90 INCHES OF RAIN WAS 
REPORTED IN BELFIELD. DITCHES RUNNING FULL WITH WATER...IN ADDITION 
TO WATER COVERED ROADWAYS AND OVERLAND FLOODING IS POSSIBLE WITH THE 
RUNOFF FROM THIS RAINFALL.

FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF 
NORTHWESTERN STARK...SOUTHERN BILLINGS AND SOUTHWESTERN DUNN 
COUNTIES...INCLUDING THE TOWNS OF BELFIELD...NEW HRADEC AND SOUTH 
HEART.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4702 10361 4726 10279 4697 10278 4669 10323
      4665 10361

$$

AYD

379 
WGUS73 KBIS 060223
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
923 PM CDT FRI AUG 5 2011

NDC007-025-089-060238-
/O.EXP.KBIS.FF.W.0039.000000T0000Z-110806T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BILLINGS ND-STARK ND-DUNN ND-
823 PM MDT FRI AUG 5 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHWESTERN 
DUNN...NORTHWESTERN STARK AND SOUTHERN BILLINGS COUNTIES HAS BEEN 
REPLACED BY AN AREAL FLOOD WARNING THROUGH 830 PM MDT SATURDAY 
EVENING...


LAT...LON 4702 10361 4726 10279 4697 10278 4669 10323
      4665 10361

$$

AYD

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

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.