Alert archive / Minnesota / Flash Flood Warnings in 2005

Flash Flood Warning 52, NWS Grand Forks, ND

August 25, 2005Wilkin County, Minnesota

NWS Grand Forks, ND issued this flash flood warning at Aug 25, 2005, 5:29 PM CDT for Wilkin County, Minnesota. It was in force for 13 hr. 2 reports 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
Aug 25, 2005, 5:29 PM CDT (22:29 UTC)
Expired
Aug 26, 2005, 6:00 AM CDT
In force
13 hr
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Wilkin County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 129 km from the middle of the area, began a volume at 22:31 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
Aug 25, 8:50 PM CDTFLASH FLOODKent, MNNUMEROUS TOWNSHIP ROADS UNDERWATER.
Aug 25, 8:50 PM CDTFLASH FLOODLawndale, MNNUMEROUS TOWNSHIP ROADS UNDERWATER OVER NORTHEAST PORTION OF COUNTY.

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.5 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-pSkew-T log-p diagram, Aberdeen, SD at 12:00Z on 2005-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1435 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, Aberdeen, SD at 12:00Z on 2005-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
1435 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
511 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFGF 252233
FFWFGF
MNC167-261100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
529 PM CDT THU AUG 25 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 600 AM CDT

* AT 522 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 5
  MILES SOUTHEAST OF LAWNDALE TO 16 MILES SOUTHWEST OF LAWNDALE...OR
  ALONG A LINE EXTENDING FROM 18 MILES NORTHWEST OF FERGUS FALLS TO
  10 MILES NORTH OF WAHPETON. THE STORMS PRODUCING VERY HEAVY RAIN   
  WERE MOVING SLOWLY TO THE NORTHEAST AT AROUND 15 MPH. RADAR WAS
  INDICATING STORM TOTAL RAINFALL AMOUNTS OF 3 TO 4 INCHES.

* SOME LOCATIONS IN THE WARNING INCLUDE LAWNDALE...WOLVERTON AND
  ROTHSAY. 

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 4652 9629 4639 9668 4659 9671 4664 9628

$$

BERG
2 follow-up statements
000 
WGUS73 KFGF 260125
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
825 PM CDT THU AUG 25 2005

MNC167-261100-
WILKIN MN-
825 PM CDT THU AUG 25 2005

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN WILKIN COUNTY
UNTIL 600 AM CDT FRIDAY MORNING...

AT 825 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 3 
TO 5 INCHES OF RAIN HAD FALLEN ACROSS THE NORTHERN PORTION OF WILKIN 
COUNTY. THE HEAVIEST BAND IS LOCATED ALONG A LINE FROM BRUSHVALE TO 
LAWNDALE. RAINFALL AMOUNTS OF 4.3 INCHES 17 MILES NORTH OF 
BRECKENRIDGE AND 3.7 INCHES 7 MILES SOUTHWEST OF LAWNDALE HAVE BEEN 
REPORTED. 

THE WILKIN COUNTY SHERIFF OFFICE REPORTS FLOODING OF A HIGH SCHOOL 
IN THE CITY OF ROTHSAY ALONG WITH DITCHES RUNNING FULL IN THE CITY 
OF LAWNDALE. SIMILAR CONDITIONS SHOULD BE EXPECTED ACROSS A MAJORITY 
OF NORTHERN WILKIN COUNTY.  

ADDITIONAL RAINFALL AMOUNTS UP TO ONE INCH REMAIN POSSIBLE OVERNIGHT 
WITH ADDITIONAL THUNDERSTORMS DEVELOPING AND MOVING ACROSS THE 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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

LAT...LON 4652 9629 4639 9668 4659 9671 4664 9628

$$
TG
000 
WGUS73 KFGF 260234
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
934 PM CDT THU AUG 25 2005

MNC167-261100-
WILKIN MN-
934 PM CDT THU AUG 25 2005

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN WILKIN COUNTY
UNTIL 600 AM CDT FRIDAY MORNING...

AT 934 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 3 
TO 5 INCHES OF RAIN HAD FALLEN ACROSS THE NORTHERN PORTION OF WILKIN 
COUNTY. THE HEAVIEST BAND IS LOCATED ALONG A LINE FROM BRUSHVALE TO 
LAWNDALE. RAINFALL AMOUNTS OF 4.3 INCHES 17 MILES NORTH OF 
BRECKENRIDGE AND 3.7 INCHES 7 MILES SOUTHWEST OF LAWNDALE HAVE BEEN 
REPORTED. 

THE WILKIN COUNTY SHERIFF OFFICE REPORTS FLOODING OF A HIGH SCHOOL 
IN THE CITY OF ROTHSAY ALONG WITH DITCHES RUNNING FULL IN THE CITY 
OF LAWNDALE. SIMILAR CONDITIONS SHOULD BE EXPECTED ACROSS A MAJORITY 
OF NORTHERN WILKIN COUNTY. 

THE SHERIFF OFFICE ALSO REPORTS NUMEROUS TOWNSHIP ROADS UNDER WATER 
AND IMPASSABLE...ESPECIALLY IN AND AROUND THE CITY OF KENT INTO THE 
NORTHEAST PORTION OF THE COUNTY.   

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. DRIVING AT NIGHT IS ESPECIALLY DANGEROUS 
BECAUSE OF THE DARKNESS. YOU WILL NOT KNOW YOU ARE IN WATER UNTIL 
YOU ARE WET.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

LAT...LON 4652 9629 4639 9668 4659 9671 4664 9628

$$
TG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 12:43 PM CDTSevere Thunderstorm WarningFGFNorman66 min
Aug 25, 1:46 PM CDTSevere Thunderstorm WarningFGFNorman59 min
Aug 25, 1:47 PM CDTFlash Flood WarningFGFClay, Norman11 hr
Aug 25, 4:53 PM CDTSevere Thunderstorm WarningFGFWilkin67 min
Aug 25, 5:36 PM CDTSevere Thunderstorm WarningFGFOtter Tail54 min
Aug 25, 5:59 PM CDTTornado WarningFGFOtter Tail61 min
Aug 25, 6:48 PM CDTSevere Thunderstorm WarningFGFGrant57 min
Aug 25, 6:59 PM CDTSevere Thunderstorm WarningFGFOtter Tail61 min

Nearby

Flash Flood Warnings in Minnesota, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.