Alert archive / North Dakota / Flash Flood Warnings in 2021

Flash Flood Warning 1, NWS Bismarck, ND

June 8, 2021Kidder County, North Dakota

NWS Bismarck, ND issued this flash flood warning at Jun 8, 2021, 11:07 AM CDT for Kidder County, North Dakota. It was in force for 3 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
Jun 8, 2021, 11:07 AM CDT (16:07 UTC)
Expired
Jun 8, 2021, 2:00 PM CDT
In force
3 hr
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Flood severity
None

County Kidder County, ND

The radar

The Bismarck radar (KBIS), 63 km from the middle of the area, began a volume at 16:08 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
Jun 8, 12:00 PM CDTFLASH FLOODSteele, NDSEVERAL ROADS WERE REPORTED TO BE UNDER WATER IN STEELE. MEASURED 4.30 INCHES OF RAIN AS OF NOON AT THE COUNTY COURTHOUSE.

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 12:00Z, 4.1 hours before the alert went out and 58 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 12:00Z on 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 534 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 12:00Z on 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 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
534 J/kg
Mixed-layer CIN
-518 J/kg
Mixed-layer LCL
1161 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.5

Open this sounding in Storm Lab

The text

As transmitted.

610 
WGUS53 KBIS 081607
FFWBIS
NDC043-081900-
/O.NEW.KBIS.FF.W.0001.210608T1607Z-210608T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Bismarck ND
1107 AM CDT Tue Jun 8 2021

The National Weather Service in Bismarck has issued a

* Flash Flood Warning for...
  Southwestern Kidder County in south central North Dakota...

* Until 200 PM CDT.

* At 1107 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Steele, Dawson and Lake Isabel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4683 10008 4687 9998 4689 9988 4689 9968
      4663 9979 4663 10008

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

Hollan
1 follow-up statement
407 
WGUS73 KBIS 081718
FFSBIS

Flash Flood Statement
National Weather Service Bismarck ND
1218 PM CDT Tue Jun 8 2021

NDC043-081900-
/O.CON.KBIS.FF.W.0001.000000T0000Z-210608T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kidder ND-
1218 PM CDT Tue Jun 8 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM CDT THIS 
AFTERNOON FOR SOUTHWESTERN KIDDER COUNTY...

At 1218 PM CDT, local law enforcement reported water over several 
roads in Steele. Between 3 and 5 inches of rain have fallen. 
Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Law enforcement reported.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Steele, Dawson, and Lake Isabel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

&&

LAT...LON 4683 10008 4687 9998 4689 9988 4689 9968
      4663 9979 4663 10008

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

Hollan

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:38 PM CDTSevere Thunderstorm WarningBISLaMoure, Stutsman67 min
Jun 7, 7:44 PM CDTSpecial Weather StatementBISEmmons31 min
Jun 7, 7:58 PM CDTTornado WarningBISLaMoure, Stutsman32 min
Jun 7, 8:01 PM CDTSevere Thunderstorm WarningBISLaMoure, Logan, Stutsman44 min
Jun 7, 8:23 PM CDTSevere Thunderstorm WarningBISLogan, McIntosh52 min
Jun 7, 8:44 PM CDTSevere Thunderstorm WarningBISLaMoure, Logan, Stutsman61 min
Jun 7, 8:50 PM CDTTornado WarningBISLaMoure, Stutsman25 min
Jun 7, 9:26 PM CDTSevere Thunderstorm WarningBISLaMoure64 min
Jun 7, 10:07 PM CDTSpecial Weather StatementBISDickey38 min
Jun 7, 10:57 PM CDTSpecial Weather StatementBISLogan48 min
Jun 7, 11:36 PM CDTSpecial Weather StatementBISLaMoure39 min
Jun 7, 11:41 PM CDTSevere Thunderstorm WarningBISDickey, LaMoure49 min
Jun 7, 11:51 PM CDTSevere Thunderstorm WarningBISLogan, McIntosh39 min
Jun 8, 12:26 AM CDTSevere Thunderstorm WarningBISLaMoure28 min
Jun 8, 1:44 AM CDTSevere Thunderstorm WarningBISLaMoure, Stutsman61 min
Jun 8, 1:53 AM CDTSpecial Weather StatementBISStutsman37 min
Jun 8, 2:27 AM CDTSpecial Weather StatementBISStutsman33 min
Jun 8, 2:44 AM CDTSevere Thunderstorm WarningBISLaMoure, Stutsman61 min
Jun 8, 2:56 AM CDTSpecial Weather StatementBISStutsman34 min
Jun 8, 3:11 AM CDTSevere Thunderstorm WarningBISStutsman28 min
Jun 8, 3:58 AM CDTAreal Flood AdvisoryBISLaMoure, Stutsman4 hr
Jun 8, 4:00 AM CDTSevere Thunderstorm WarningBISStutsman60 min
Jun 8, 4:46 AM CDTSevere Thunderstorm WarningBISLaMoure59 min
Jun 8, 4:57 AM CDTSevere Thunderstorm WarningBISStutsman63 min
Jun 8, 5:13 AM CDTAreal Flood AdvisoryBISStutsman3 hr
Jun 8, 6:00 AM CDTSevere Thunderstorm WarningBISLaMoure, Stutsman60 min
Jun 8, 6:09 AM CDTSevere Thunderstorm WarningBISLaMoure66 min
Jun 8, 7:07 AM CDTSevere Thunderstorm WarningBISStutsman38 min
Jun 8, 7:50 AM CDTSevere Thunderstorm WarningBISStutsman55 min
Jun 8, 8:02 AM CDTSevere Thunderstorm WarningBISKidder43 min
Jun 8, 8:15 AM CDTAreal Flood AdvisoryBISKidder, Stutsman3 hr
Jun 8, 9:04 AM CDTSevere Thunderstorm WarningBISKidder41 min
Jun 8, 10:06 AM CDTSevere Thunderstorm WarningBISKidder39 min
Jun 8, 10:44 AM CDTSevere Thunderstorm WarningBISEmmons, Kidder, Logan46 min
Jun 8, 11:27 AM CDTSevere Thunderstorm WarningBISEmmons33 min
Jun 8, 11:44 AM CDTAreal Flood AdvisoryBISKidder, LaMoure, Stutsman4 hr
Jun 8, 12:05 PM CDTSpecial Weather StatementBISEmmons55 min
Jun 8, 12:23 PM CDTSevere Thunderstorm WarningBISBurleigh, Emmons, Kidder52 min
Jun 8, 12:32 PM CDTFlash Flood WarningBISBurleigh, Emmons3 hr
Jun 8, 12:59 PM CDTSevere Thunderstorm WarningBISSioux61 min
Jun 8, 1:39 PM CDTFlash Flood Warning Considerable damage threatBISBurleigh, Emmons, Kidder2 hr
Jun 8, 1:45 PM CDTSevere Thunderstorm WarningBISGrant, Morton, Sioux60 min
Jun 8, 2:00 PM CDTAreal Flood WarningBISKidder2 hr
Jun 8, 2:43 PM CDTSevere Thunderstorm WarningBISGrant, Morton62 min
Jun 8, 3:34 PM CDTAreal Flood AdvisoryBISGrant, Morton, Sioux3 hr
Jun 8, 3:45 PM CDTSevere Thunderstorm WarningBISGrant, Morton60 min
Jun 8, 3:50 PM CDTFlash Flood WarningBISGrant, Morton3 hr
Jun 8, 3:57 PM CDTAreal Flood WarningBISBurleigh, Emmons, Kidder6 hr
Jun 8, 4:04 PM CDTAreal Flood AdvisoryBISLaMoure, Stutsman10 hr
Jun 8, 4:26 PM CDTSpecial Weather StatementBISBurleigh34 min
Jun 8, 4:41 PM CDTSevere Thunderstorm WarningBISGrant, Sioux49 min
Jun 8, 4:50 PM CDTSpecial Weather StatementBISAdams40 min
Jun 8, 5:28 PM CDTSevere Thunderstorm WarningBISGrant, Sioux32 min
Jun 8, 6:31 PM CDTAreal Flood AdvisoryBISSioux10 hr
Jun 8, 6:32 PM CDTSevere Thunderstorm WarningBISGolden Valley, McKenzie58 min

Nearby

Flash Flood Warnings in North Dakota, 2021Every flash flood warning in 2021

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.