Alert archive / Minnesota / Flash Flood Warnings in 2008
Flash Flood Warning 4, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Sep 1, 2008, 10:14 PM CDT for Wilkin County, Minnesota; Richland County, North Dakota. It was in force for 9 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
- Sep 1, 2008, 10:14 PM CDT (03:14 UTC)
- Expired
- Sep 2, 2008, 7:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Flood severity
- None
Counties Wilkin County, MN, Richland County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 150 km from the middle of the area, began a volume at 03:14 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 |
|---|---|---|---|
| Sep 2, 2:00 AM CDT | FLASH FLOOD | Breckenridge, MN | RAINFALL OF 3 TO 5 INCHES IN 4 HOURS RESULTED IN LOCALIZED FLOODING OF FARM FIELDS AND FARM ACCESS ROADS. AREAS OF STREET FLOODING ALSO OCCURRED. |
| Sep 2, 2:00 AM CDT | FLASH FLOOD | Wahpeton, ND | RAINFALL OF 3 TO 5 INCHES IN 4 HOURS RESULTED IN LOCALIZED FLOODING OF FARM FIELDS AND FARM ACCESS ROADS. AREAS OF STREET FLOODING ALSO OCCURRED. |
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 00:00Z, 3.2 hours before the alert went out and 204 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.
- Mixed-layer CAPE
- 330 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KFGF 020317
FFWFGF
MNC167-NDC077-021200-
/O.NEW.KFGF.FF.W.0004.080902T0317Z-080902T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1014 PM CDT MON SEP 1 2008
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA...
THIS INCLUDES THE CITY OF WAHPETON...
WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 700 AM CDT TUESDAY
* AT 1010 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 4
MILES SOUTHWEST OF LAWNDALE TO 7 MILES SOUTH OF HANKINSON...OR
ALONG A LINE EXTENDING FROM 19 MILES NORTHEAST OF WAHPETON TO 20
MILES NORTHWEST OF WHEATON...MOVING TO THE NORTHEAST AT 20 MPH.
* STORMS WILL CONTINUE TO MOVE OVER THE SAME AREA TONIGHT IN
RICHLAND AND WILKIN COUNTY...AND PRODUCE RAINFALL AMOUNTS FROM 2 TO
4 INCHES IN A SHORT TIME...WITH LOCALLY HIGHER AMOUNTS. TAKE THE
PROPER PRECAUTIONS IF YOU LIVE OR CAMP BY A DRY STREAM OR SMALL
RIVER...AS WATER LEVELS CAN RISE RAPIDLY.
* SOME LOCATIONS IN THE WARNING INCLUDE WAHPETON...BRECKENRIDGE...
WYNDMERE AND LIDGERWOOD.
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 4661 9631 4605 9629 4604 9658 4595 9662
4596 9719 4661 9723
$$
DK2 follow-up statements
000
WGUS73 KFGF 020915
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
415 AM CDT TUE SEP 2 2008
MNC167-NDC077-021200-
/O.CON.KFGF.FF.W.0004.000000T0000Z-080902T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WILKIN MN-RICHLAND ND-
415 AM CDT TUE SEP 2 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
RICHLAND AND WILKIN COUNTIES...
AT 415 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
TOTAL RAINFALL OF 2 TO 4 INCHES HAS OCCURRED ACROSS THIS AREA.
ISOLATED AREAS HAVE REPORTED 4 TO 5 INCHES OF RAINFALL...INCLUDING
THE WAHPETON AND BRECKENRIDGE AREA. MUCH OF THIS RAINFALL OCCURRED
WITHIN A RELATIVELY SHORT PERIOD OF TIME.
THE WAHPETON AND BRECKENRIDGE AREA HAVE REPORTED STREET FLOODING DUE
TO THE RAINFALL. IT IS VERY POSSIBLE THAT OTHER URBAN AREAS ARE ALSO
EXPERIENCING STREET FLOODING WITHIN THIS AREA. IN ADDITION...TAKE
THE PROPER PRECAUTIONS IF YOU LIVE OR CAMP BY A DRY STREAM OR SMALL
RIVER AS WATER LEVELS CAN RISE RAPIDLY.
THE MAJORITY OF THE HEAVY RAINFALL HAS COME TO AN END...AND WILL
CONTINUE TO DIMINISH THROUGH THE MORNING HOURS. HOWEVER...IT TAKES
TIME FOR THE RAINFALL TO RUNOFF INTO STREAMS...SO THE THREAT FOR
FLASH FLOODING WILL REMAIN FOR A FEW HOURS AFTER THE RAIN HAS
ENDED.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.
LAT...LON 4661 9631 4605 9629 4604 9658 4595 9662
4596 9719 4661 9723
$$
TG000
WGUS73 KFGF 021153
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
651 AM CDT TUE SEP 2 2008
MNC167-NDC077-021201-
/O.EXP.KFGF.FF.W.0004.000000T0000Z-080902T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WILKIN MN-RICHLAND ND-
651 AM CDT TUE SEP 2 2008
...THE FLASH FLOOD WARNING WILL EXPIRE AT 700 AM CDT FOR RICHLAND AND
WILKIN COUNTIES...
THE HEAVY RAINFALL HAS SUBSIDED. LAW ENFORCEMENT IN THE WAHPETON AND
BRECKENRIDGE AREA REPORTS THE STREET FLOODING HAS RECEDED.
THUS...THE WARNING WILL EXPIRE AT 700 AM CDT.
STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION OR
CABLE TELEVISION FOR ADDITIONAL INFORMATION.
LAT...LON 4661 9631 4605 9629 4604 9658 4595 9662
4596 9719 4661 9723
$$
TGNearby
Flash Flood Warnings in Minnesota, 2008Flash Flood Warnings in North Dakota, 2008Every flash flood warning in 2008
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.