Alert archive / North Dakota / Flash Flood Warnings in 2011

Flash Flood Warning 33, NWS Bismarck, ND

July 22, 20115 counties in North Dakota

NWS Bismarck, ND issued this flash flood warning at Jul 22, 2011, 7:04 PM MDT for 5 counties in 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: Jul 22, 2011, 7:04 PM MDT (01:04 UTC)
Expired: Jul 23, 2011, 1:00 AM MDT
In force: 6 hr
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Flood severity: None

Counties Billings County, ND, Dunn County, ND, Golden Valley County, ND, McKenzie County, ND, Stark County, ND

The radar

The Bismarck radar (KBIS), 232 km from the middle of the area, began a volume at 01:05 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

Time	Report	Where	Remark
Jul 22, 8:05 PM MDT	FLASH FLOOD	Medora, ND	CAMP GROUNDS FLOODED. RAINFALL ESTIMATED AT 3 TO 4 INCHES.

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, 1.1 hours before the alert went out and 236 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: 1986 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1048 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 7.2

Open this sounding in Storm Lab

The text

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

044 
WGUS53 KBIS 230104
FFWBIS
NDC007-025-033-053-089-230700-
/O.NEW.KBIS.FF.W.0033.110723T0104Z-110723T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
704 PM MDT FRI JUL 22 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BILLINGS COUNTY IN SOUTHWEST NORTH DAKOTA...
  EXTREME SOUTHWESTERN MCKENZIE COUNTY IN NORTHWEST NORTH DAKOTA...
  GOLDEN VALLEY COUNTY IN SOUTHWEST NORTH DAKOTA...
  SOUTHWESTERN DUNN COUNTY IN SOUTHWEST NORTH DAKOTA...
  WESTERN STARK COUNTY IN SOUTHWEST NORTH DAKOTA...

* UNTIL 100 AM MDT

* AT 702 PM MDT...TRAINED WEATHER SPOTTERS REPORTED SLOW MOVING      
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  RAINFALL AMOUNTS WERE REPORTED AT CURB HEIGHT. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS
  OF BILLINGS...EXTREME SOUTHWESTERN MCKENZIE...GOLDEN VALLEY...
  SOUTHWESTERN DUNN AND WESTERN STARK COUNTIES...INCLUDING THE TOWNS
  OF ALPHA...BEACH...BELFIELD...FAIRFIELD...FRYBURG...GOLVA...
  MANNING...MEDORA...SENTINEL BUTTE...SOUTH FAIRFIELD AND TROTTERS.

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.

&&

LAT...LON 4668 10405 4673 10406 4735 10403 4732 10264
      4663 10323 4663 10380 4654 10380 4654 10405
      4664 10406 4668 10406

$$

SIMOSKO/SCHECK

2 follow-up statements

458 
WGUS73 KBIS 230310
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1010 PM CDT FRI JUL 22 2011

NDC007-025-033-053-089-230700-
/O.CON.KBIS.FF.W.0033.000000T0000Z-110723T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BILLINGS ND-GOLDEN VALLEY ND-STARK ND-MCKENZIE ND-DUNN ND-
910 PM MDT FRI JUL 22 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN DUNN...
EXTREME SOUTHWESTERN MCKENZIE...WESTERN STARK...GOLDEN VALLEY AND
BILLINGS COUNTIES UNTIL 100 AM MDT...

AT 900 PM MDT...THUNDERSTORMS CONTINUED MOVING THROUGH THE WARNED 
AREA AND SOME WERE PRODUCING FLASH FLOODING. RAIN REPORTS HAVE 
VARIED FROM AS LITTLE AS ONE INCH TO AS MUCH AS FOUR INCHES.

EARLIER...STREETS WERE FLOODED IN BEACH. ALSO...CAMP GROUNDS WERE 
FLOODED IN THE MEDORA AREA.

ADDITIONAL RAIN WITH THUNDERSTORMS IS FORECAST THROUGH THE EVENING 
AND SO THIS FLASH FLOOD WARNING CONTINUES UNTIL 1 AM MDT.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE INTO FLOODED AREAS. THE WATER DEPTH MAY BE TOO GREAT TO 
ALLOW YOUR VEHICLE TO CROSS SAFELY. DANGERS ARE GREATER AT NIGHT 
WHEN IT IS EVEN HARDER TO DETERMINE THE DEPTH OF THE WATER.

CALL THE NATIONAL WEATHER SERVICE WITH FLOOD REPORTS...701-223-4582.

&&

LAT...LON 4668 10405 4673 10406 4735 10403 4732 10264
      4663 10323 4663 10380 4654 10380 4654 10405
      4664 10406 4668 10406

$$

JP MARTIN

396 
WGUS73 KBIS 230705
FFSBIS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
205 AM CDT SAT JUL 23 2011

NDC007-025-033-053-089-230720-
/O.EXP.KBIS.FF.W.0033.000000T0000Z-110723T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BILLINGS ND-GOLDEN VALLEY ND-STARK ND-MCKENZIE ND-DUNN ND-
105 AM MDT SAT JUL 23 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHWESTERN
DUNN...EXTREME SOUTHWESTERN MCKENZIE...WESTERN STARK...GOLDEN VALLEY
AND BILLINGS COUNTIES HAS BEEN ALLOWED TO EXPIRE...

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 4668 10405 4673 10406 4735 10403 4732 10264
      4663 10323 4663 10380 4654 10380 4654 10405
      4664 10406 4668 10406

$$

KINNEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 6:15 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Bowman, Golden Valley, Slope	60 min
Jul 22, 6:40 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Golden Valley, McKenzie, Williams	65 min
Jul 22, 6:48 PM MDT	Flash Flood Warning	BIS	Dunn, McKenzie	6 hr
Jul 22, 7:06 PM MDT	Tornado Warning	BIS	Dunn, McKenzie	39 min
Jul 22, 7:10 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Golden Valley, Stark	65 min
Jul 22, 7:15 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Hettinger, Slope	60 min
Jul 22, 7:18 PM MDT	Tornado Warning	BIS	Billings, Stark	27 min
Jul 22, 7:32 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McKenzie, McLean, Mercer, Mountrail	58 min
Jul 22, 7:41 PM MDT	Tornado Warning	BIS	Billings, Stark	34 min
Jul 22, 7:49 PM MDT	Flash Flood Warning	BIS	Dunn, McLean, Mercer, Mountrail	6 hr
Jul 22, 7:55 PM MDT	Tornado Warning	BIS	Dunn	35 min
Jul 22, 8:08 PM MDT	Tornado Warning	BIS	Hettinger, Slope, Stark	37 min
Jul 22, 8:13 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Oliver, Stark	62 min
Jul 22, 8:15 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Grant, Hettinger	60 min
Jul 22, 8:22 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer, Mountrail, Oliver, Ward	53 min
Jul 22, 8:33 PM MDT	Tornado Warning	BIS	Hettinger, Slope	27 min
Jul 22, 8:51 PM MDT	Tornado Warning	BIS	McLean, Mercer	24 min
Jul 22, 8:56 PM MDT	Tornado Warning	BIS	Adams, Grant, Hettinger	34 min
Jul 22, 9:00 PM MDT	Tornado Warning	BIS	Morton, Oliver	30 min
Jul 22, 9:12 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	63 min
Jul 22, 9:14 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Mercer, Oliver, Sheridan	61 min
Jul 22, 9:16 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Burleigh, Emmons, Grant, Hettinger, Morton and 1 more	59 min
Jul 22, 9:25 PM MDT	Tornado Warning	BIS	Adams, Grant, Hettinger, Sioux	35 min
Jul 22, 9:27 PM MDT	Tornado Warning	BIS	Burleigh, Morton, Oliver	33 min
Jul 22, 9:51 PM MDT	Tornado Warning	BIS	Burleigh, Emmons, Morton, Sioux	24 min
Jul 22, 10:02 PM MDT	Tornado Warning	BIS	Adams, Sioux	13 min
Jul 22, 10:07 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Foster, Kidder, Morton, Sheridan, Stutsman and 1 more	68 min
Jul 22, 10:08 PM MDT	Severe Thunderstorm Warning	BIS	McLean, Oliver, Sheridan, Wells	67 min
Jul 22, 10:11 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Emmons, Grant, Logan, Morton, Sioux	64 min
Jul 22, 10:55 PM MDT	High Wind Warning	BIS	Burke, Divide, Dunn, McKenzie, Mountrail, Renville and 1 more	3 hr
Jul 22, 10:59 PM MDT	Areal Flood Advisory	BIS	Dickey, Foster, Kidder, LaMoure, Logan, McIntosh and 2 more	6 hr
Jul 22, 11:08 PM MDT	Severe Thunderstorm Warning	BIS	Dickey, Emmons, LaMoure, Logan, McIntosh, Sioux	52 min
Jul 22, 11:14 PM MDT	Flash Flood Warning	BIS	Foster, Kidder, Stutsman, Wells	6 hr
Jul 22, 11:16 PM MDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	59 min
Jul 22, 11:21 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Hettinger	54 min
Jul 22, 11:57 PM MDT	Severe Thunderstorm Warning	BIS	Dickey, Kidder, LaMoure, Logan, McIntosh	63 min
Jul 23, 12:09 AM MDT	Severe Thunderstorm Warning	BIS	Stutsman	66 min
Jul 23, 12:15 AM MDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	60 min
Jul 23, 12:28 AM MDT	Areal Flood Advisory	BIS	Adams, Hettinger	4 hr
Jul 23, 12:55 AM MDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	50 min
Jul 23, 1:01 AM MDT	Areal Flood Warning	BIS	Dunn, McKenzie	12 hr
Jul 23, 2:04 AM MDT	Wind Advisory	BIS	Bottineau, Burke, Burleigh, Dickey, Emmons, Foster and 15 more	4 hr
Jul 23, 5:01 AM MDT	Areal Flood Warning	BIS	Foster, Kidder, Stutsman, Wells	8 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.