Alert archive / North Dakota / Flash Flood Warnings in 2004

Flash Flood Warning 7, NWS Bismarck, ND

August 23, 2004Burleigh County, North Dakota

NWS Bismarck, ND issued this flash flood warning at Aug 23, 2004, 8:56 PM CDT for Burleigh County, North Dakota. It was in force for 94 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 23, 2004, 8:56 PM CDT (01:56 UTC)
Expired: Aug 23, 2004, 10:30 PM CDT
In force: 94 min
Issued by: NWS Bismarck, ND
Area: Counties, with a storm outline in the text

County Burleigh County, ND

The radar

The Bismarck radar (KBIS), 31 km from the middle of the area, began a volume at 01:56 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.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.9 hours before the alert went out and 29 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: 1332 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1245 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KBIS 240159
FFWBIS
NDC015-240330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
856 PM CDT MON AUG 23 2004

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BURLEIGH COUNTY IN SOUTH CENTRAL NORTH DAKOTA

* UNTIL 1030 PM CDT

* AT 856 PM CDT...THE PUBLIC REPORTED VERY HEAVY RAIN IN WESTERN
  BURLEIGH COUNTY. IN THE BISMARCK AREA UP TO 2 INCHES OF RAIN HAS
  FALLEN IN AN HOUR.  

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. AS LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE CONTROL
OF YOUR VEHICLE. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST
VEHICLES INCLUDING SUVS AND PICKUPS. VEHICLES CAUGHT IN RISING WATER
SHOULD BE ABANDONED QUICKLY. NEARLY HALF OF ALL FLOOD FATALITIES ARE
VEHICLE RELATED.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

LAT...LON 4713 10080 4669 10067 4673 10016 4732 10016

$$

1 follow-up statement

000 
WGUS73 KBIS 240330
FFSBIS
NDC015-240400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1029 PM CDT MON AUG 23 2004

...THE FLASH FLOOD WARNING FOR BURLEIGH COUNTY HAS BEEN ALLOWED TO
EXPIRE...

AT 1029 PM CDT DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS THAT 
PROMPTED THE FLASH FLOOD WARNING HAD MOVED EAST AND WERE NO LONGER A 
THREAT TO BURLEIGH COUNTY. THUS THE WARNING HAS BEEN ALLOWED TO 
EXPIRE.

$$
WAA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 23, 7:30 PM CDT	Severe Thunderstorm Warning	BIS	Morton, Oliver	60 min
Aug 23, 7:57 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Morton	63 min
Aug 23, 8:46 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	59 min
Aug 23, 9:18 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	57 min
Aug 23, 9:46 PM CDT	Severe Thunderstorm Warning	BIS	Kidder	59 min
Aug 23, 10:15 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	60 min
Aug 23, 10:51 PM CDT	Severe Thunderstorm Warning	BIS	Kidder	39 min
Aug 23, 11:56 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	64 min

Nearby

Flash Flood Warnings in North Dakota, 2004 Every flash flood warning in 2004

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; radar from the NEXRAD Level II archive.