Alert archive / North Dakota / Flash Flood Warnings in 2011
Flash Flood Warning 14, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Aug 15, 2011, 8:17 AM CDT for Richland County, North Dakota; Wilkin County, Minnesota. It was in force for 12 hr. 7 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 15, 2011, 8:17 AM CDT (13:17 UTC)
- Expired
- Aug 15, 2011, 8:00 PM CDT
- In force
- 12 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Flood severity
- None
Counties Wilkin County, MN, Richland County, ND
The radar
The Aberdeen radar (KABR), 139 km from the middle of the area, began a volume at 13:16 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 |
|---|---|---|---|
| Aug 15, 9:30 AM CDT | HEAVY RAIN 5.4 | 5 Sse Stiles, ND | PARTS OF COUNTY ROAD 3 ABOUT 5.5 MILES SSE OF STILES ND WERE UNDER WATER DUE TO HEAVY RAIN FROM THUNDERSTORMS. |
| Aug 15, 9:40 AM CDT | HEAVY RAIN 4 | Hankinson, ND | THERE WAS SOME FLOODED STREETS IN HANKINSON DUE TO THE HEAVY RAIN FROM THUNDERSTORMS. THUNDERSTORMS WERE CONTINUING TO AFFECT THE AREA. |
| Aug 15, 10:00 AM CDT | HEAVY RAIN 5.5 | 6 Ssw Hankinson, ND | |
| Aug 15, 10:30 AM CDT | HEAVY RAIN 2.6 | Lidgerwood, ND | WATER IS COVERING PARTS OF NEARBY ROADS AND THE DITCHES ARE FULL. |
| Aug 15, 10:30 AM CDT | HEAVY RAIN 3.2 | Mantador, ND | |
| Aug 15, 11:00 AM CDT | HEAVY RAIN 6.5 | Hankinson, ND | |
| Aug 15, 12:20 PM CDT | HEAVY RAIN 3.6 | 5 N Lidgerwood, ND |
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, 1.3 hours before the alert went out and 178 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 6461 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 233 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
214
WGUS53 KFGF 151319
FFWFGF
MNC167-NDC077-160100-
/O.NEW.KFGF.FF.W.0014.110815T1319Z-110816T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
817 AM CDT MON AUG 15 2011
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA...
WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 800 PM CDT MONDAY
* AT 817 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
THE RADAR INDICATED 4 TO 6 INCHES OF RAINFALL HAD ALREADY FALLEN
IN THE LIDGERWOOD AND HANKINSON AREAS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WAHPETON...BRECKENRIDGE...HANKINSON...LIDGERWOOD...WYNDMERE...
ABERCROMBIE AND BARNEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4594 9723 4600 9723 4600 9726 4654 9728
4650 9628 4601 9626 4602 9656 4593 9656
$$
GROCHOCINSKI4 follow-up statements
259
WGUS73 KFGF 151441
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
940 AM CDT MON AUG 15 2011
MNC167-NDC077-160100-
/O.CON.KFGF.FF.W.0014.000000T0000Z-110816T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RICHLAND ND-WILKIN MN-
940 AM CDT MON AUG 15 2011
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM CDT MONDAY
FOR WILKIN AND RICHLAND COUNTIES...
AT 940 AM CDT...THE PUBLIC REPORTED THUNDERSTORMS WITH VERY HEAVY
RAINFALL ACROSS THE WARNED AREA. AN INDIVIDUAL REPORTED 4 INCHES OF
RAIN HAD FALLEN 5.5 MILES SOUTH SOUTHEAST OF STILES AT 8 AM
CDT...AND THAT PARTS OF COUNTY ROAD 3 WERE UNDER WATER. A WEATHER
SPOTTER REPORTED THAT 3 INCHES OF WATER HAD FALLEN IN HANKINSON AT
730 AM CDT.
AT 940 AM CDT...THE RADAR WAS ESTIMATING 3 TO 5 INCHES OF RAIN HAD
FALLEN ACROSS MUCH OF SOUTHERN RICHLAND COUNTY. THE RADAR WAS
ESTIMATING THE HEAVIEST RAINFALL ACROSS FAR SOUTH CENTRAL RICHLAND
COUNTY NEAR AND SOUTHEAST OF THE STILES AREA...WHERE MORE THAN 6
INCHES OF RAIN MAY HAVE FALLEN.
STORMS WILL LIKELY CONTINUE ACROSS SOUTHEASTERN NORTH DAKOTA FOR AT
LEAST THE NEXT FEW HOURS.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WAHPETON...BRECKENRIDGE...HANKINSON...LIDGERWOOD...WYNDMERE...
ABERCROMBIE AND BARNEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.
&&
LAT...LON 4594 9723 4600 9723 4600 9726 4654 9728
4650 9628 4601 9626 4602 9656 4593 9656
$$
GROCHOCINSKI262
WGUS73 KFGF 151507
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1007 AM CDT MON AUG 15 2011
MNC167-NDC077-160100-
/O.CON.KFGF.FF.W.0014.000000T0000Z-110816T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RICHLAND ND-WILKIN MN-
1007 AM CDT MON AUG 15 2011
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM CDT MONDAY
FOR WILKIN AND RICHLAND COUNTIES...
AT 1007 AM CDT...THE PUBLIC REPORTED THUNDERSTORMS WITH VERY HEAVY
RAINFALL ACROSS THE WARNED AREA. AN INDIVIDUAL REPORTED 5.4 INCHES
OF RAIN HAD FALLEN 5.5 MILES SOUTH SOUTHEAST OF STILES AT 930 AM
CDT...AND THAT PARTS OF COUNTY ROAD 3 WERE UNDER WATER. A WEATHER
SPOTTER REPORTED THAT 4 INCHES OF RAIN HAD FALLEN IN HANKINSON AT
940 AM CDT...AND THAT THERE WERE SOME FLOODED STREETS IN TOWN.
AT 1007 AM CDT...THE ABERDEEN RADAR WAS ESTIMATING 3 TO 5 INCHES OF
RAIN HAD FALLEN ACROSS MUCH OF SOUTHERN RICHLAND COUNTY. THE RADAR
WAS ESTIMATING THE HEAVIEST RAINFALL ACROSS FAR SOUTH CENTRAL
RICHLAND COUNTY NEAR AND SOUTHEAST OF THE STILES AREA...WHERE MORE
THAN 6 INCHES OF RAIN MAY HAVE FALLEN.
THUNDERSTORMS WILL LIKELY CONTINUE TO AFFECT FAR SOUTHEASTERN NORTH
DAKOTA THROUGH AT LEAST THE NEXT COUPLE HOURS.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WAHPETON...BRECKENRIDGE...HANKINSON...LIDGERWOOD...WYNDMERE...
ABERCROMBIE AND BARNEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4594 9723 4600 9723 4600 9726 4654 9728
4650 9628 4601 9626 4602 9656 4593 9656
$$
GROCHOCINSKI648
WGUS73 KFGF 151636
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1136 AM CDT MON AUG 15 2011
MNC167-151651-
/O.CAN.KFGF.FF.W.0014.000000T0000Z-110816T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WILKIN MN-
1136 AM CDT MON AUG 15 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WILKIN COUNTY...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.
&&
LAT...LON 4594 9723 4600 9723 4600 9726 4628 9726
4629 9727 4638 9727 4630 9679 4606 9676
4594 9670
$$
NDC077-160100-
/O.CON.KFGF.FF.W.0014.000000T0000Z-110816T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RICHLAND ND-
1136 AM CDT MON AUG 15 2011
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM CDT MONDAY
FOR SOUTHERN RICHLAND COUNTY...
AT 1136 AM CDT...THE PUBLIC REPORTED THUNDERSTORMS WITH VERY HEAVY
RAINFALL ACROSS THE WARNED AREA. THE PUBLIC REPORTED 6.5 INCHES OF
RAINFALL IN HANKINSON AT 1100 AM CDT...AND FLOODED STREETS IN
HANKINSON AS EARLY AS 940 AM CDT. THE PUBLIC REPORTED 5.4 INCHES OF
RAINFALL 5.5 MILES SOUTH SOUTHEAST OF STILES AT 930 AM CDT...WITH
PARTS OF COUNTY ROAD 3 UNDER WATER. A TRAINED SPOTTER REPORTED 3.2
INCHES OF RAINFALL IN MANTADOR AT 1050 AM CDT. A COOPERATIVE
OBSERVER REPORTED 2.6 INCHES OF RAINFALL IN LIDGERWOOD WITH THE
DITCHES FULL OF WATER...AND WATER COVERING PARTS OF NEARBY ROADS.
AT 1136 AM CDT...THE ABERDEEN RADAR WAS ESTIMATING A LARGE AREA OF 3
TO 6 INCHES HAD FALLEN ACROSS SOUTH CENTRAL RICHLAND COUNTY. THE
RADAR ESTIMATED THE HEAVIEST RAINFALL OF MORE THAN 6 INCHES FELL IN
AN AREA NEAR AND BETWEEN STILES...HANKINSON...AND THE SOUTH DAKOTA
BORDER. RAIN AND THUNDERSTORMS WERE WEAKENING AND MOVING OUT OF THE
REGION.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HANKINSON...LIDGERWOOD...WYNDMERE...BARNEY...GREAT BEND...MANTADOR
AND MOORETON.
THE FOLLOWING STREAMS ARE INCLUDED IN THE WARNING...WILD RICE
RIVER...SHORTFOOT CREEK AND ELK CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4594 9723 4600 9723 4600 9726 4628 9726
4629 9727 4638 9727 4630 9679 4606 9676
4594 9670
$$
GROCHOCINSKI633
WGUS73 KFGF 160054
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
753 PM CDT MON AUG 15 2011
NDC077-160106-
/O.EXP.KFGF.FF.W.0014.000000T0000Z-110816T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RICHLAND ND-
751 PM CDT MON AUG 15 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 800 PM CDT FOR SOUTHERN
RICHLAND COUNTY...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA.
HOWEVER NUMEROUS TOWNSHIP ROADS REMAIN UNDER WATER AS WELL AS
AB FEW COUNTY ROADWAYS. THIS SITUATION WILL BE IN PLACE FOR THE
NEXT COUPLE OF DAYS AND WILL BE COVERED BY AN AREAL FLOOD ADVISORY
WHICH WILL BE ISSUED SHORTLY.
LAT...LON 4594 9723 4600 9723 4600 9726 4628 9726
4629 9727 4638 9727 4630 9679 4606 9676
4594 9670
$$
WJBThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 6:46 AM CDT | Areal Flood Advisory | FGF | Richland | 8 hr |
Nearby
Flash Flood Warnings in North Dakota, 2011Flash Flood Warnings in Minnesota, 2011Every flash flood warning in 2011
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.