Alert archive / North Dakota / Flash Flood Warnings in 2005

Flash Flood Warning 22, NWS Grand Forks, ND

June 26, 2005Benson County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at Jun 26, 2005, 3:35 PM CDT for Benson County, North Dakota. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 26, 2005, 3:35 PM CDT (20:35 UTC)
Expired
Jun 27, 2005, 7:00 AM CDT
In force
15 hr
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Benson County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 8.6 hours before the alert went out and 171 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 2005-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 12:00Z on 2005-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
10 J/kg
Mixed-layer CIN
-386 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFGF 262036
FFWFGF
NDC005-271200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
335 PM CDT SUN JUN 26 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BENSON COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 700 AM CDT

* AT 330 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM 4 MILES NORTHEAST OF FLORA...OR
  ABOUT 24 MILES SOUTHWEST OF DEVILS LAKE. THE STORM PRODUCING VERY  
  HEAVY RAIN WAS MOVING TO THE NORTH AT 15 MPH. RAINFALL AMOUNTS OF  
  UP TO 2 INCHES PER HOUR CAN BE EXPECTED WITH THIS THUNDERSTORM.

* SOME LOCATIONS IN THE WARNING INCLUDE MADDOCK...LEEDS...YORK AND
  OBERON.

ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP LATER TONIGHT TO 
GENERATE MORE HEAVY RAIN IN THIS AREA.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.

LAT...LON 4788 9980 4787 9920 4813 9922 4835 9924
      4836 9980

$$
BRAMER
2 follow-up statements
000 
WGUS73 KFGF 270032
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
732 PM CDT SUN JUN 26 2005

NDC005-271200-
BENSON ND-
732 PM CDT SUN JUN 26 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 700 AM CDT FOR 
BENSON COUNTY...

AT 730 PM CDT...RAPID THUNDERSTORM DEVELOPMENT IS EXPECTED AGAIN 
TONIGHT WITH HEAVY RAINFALL POSSIBLE. ADDITIONAL RAINFALL AMOUNTS OF 
1 TO 2 INCHES...WITH LOCALLY HIGHER TOTALS...ARE POSSIBLE. DUE TO 
SATURATED GROUND FROM THE RAINFALL EARLIER TODAY...ANY ADDITIONAL
PRECIPITATION SHOULD GO DIRECTLY INTO RUNOFF. THIS SHOULD RESULT IN 
RAPID RISES IN RIVERS AND STREAMS. 

THE THUNDERSTORMS SHOULD DEVELOP IN CENTRAL NORTH DAKOTA AND MOVE 
SLOWLY NORTHEASTWARD OVERNIGHT. A VERY HUMID AIRMASS WILL ALLOW 
HEAVY RAINFALL TO REDEVELOP ACROSS BENSON COUNTY.  

SOME LOCATIONS IN THE WARNING INCLUDE LEEDS...MADDOCK...YORK...OBERON
AND MINNEWAUKAN. 

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.

LAT...LON 4788 9980 4787 9920 4813 9922 4835 9924
      4836 9980

$$

BRAMER
000 
WGUS73 KFGF 271218
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
717 AM CDT MON JUN 27 2005

NDC005-271235-
BENSON ND-
717 PM CDT SUN JUN 26 2005

...FLASH FLOOD WARNING EXPIRED AT 700 AM CDT FOR BENSON COUNTY...

THE FLASH FLOOD WARNING FOR BENSON COUNTY EXPIRED AT 7 AM.

LAT...LON 4788 9980 4787 9920 4813 9922 4835 9924
      4836 9980

$$

BRAMER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 8:39 AM CDTSevere Thunderstorm WarningFGFBarnes, Ransom53 min
Jun 26, 10:32 AM CDTFlash Flood WarningFGFRansom12 hr
Jun 26, 11:00 AM CDTFlash Flood WarningFGFSargent12 hr
Jun 26, 12:07 PM CDTFlash Flood WarningFGFBarnes13 hr

Nearby

Flash Flood Warnings in North Dakota, 2005Every flash flood warning in 2005

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.