Alert archive / Minnesota / Flash Flood Warnings in 2016

Flash Flood Warning 5, NWS Grand Forks, ND

July 11, 2016Clay County, Wilkin County, Minnesota; Cass County, Richland County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at Jul 11, 2016, 5:08 PM CDT for Clay County, Wilkin County, Minnesota; Cass County, Richland County, North Dakota. It was in force for 6 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
Jul 11, 2016, 5:08 PM CDT (22:08 UTC)
Expired
Jul 11, 2016, 11:00 PM CDT
In force
6 hr
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Flood severity
None

Counties Clay County, MN, Wilkin County, MN, Cass County, ND, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 120 km from the middle of the area, began a volume at 22:12 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
Jul 11, 6:25 PM CDTFLASH FLOOD5 Ne Barnesville, MNFIELDS AND FARM ACCESS ROADS FLOODED NEAR STONEY CREEK AND ACROSS NORTHERN HUMBOLDT AND SOUTHERN SKREE TOWNSHIPS.
Jul 11, 7:00 PM CDTFLASH FLOOD5 S Christine, NDFIELDS AND FARM ACCESS ROADS FLOODED ACROSS PORTIONS OF SOUTH EAGLE TOWNSHIP.

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, 10.1 hours before the alert went out and 240 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 2016-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1008 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted.

791 
WGUS53 KFGF 112208
FFWFGF
MNC027-167-NDC017-077-120400-
/O.NEW.KFGF.FF.W.0005.160711T2208Z-160712T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
508 PM CDT MON JUL 11 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
  SOUTHERN CLAY COUNTY IN NORTHWESTERN MINNESOTA...
  NORTHEASTERN RICHLAND COUNTY IN SOUTHEASTERN NORTH DAKOTA...
  SOUTHEASTERN CASS COUNTY IN SOUTHEASTERN NORTH DAKOTA...

* UNTIL 1100 PM CDT

* AT 506 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ALONG A LINE EXTENDING FROM NEAR COLFAX TO 6 MILES WEST
  OF ROTHSAY. THE STORMS ARE MOVING NORTHEAST AT 55 MPH. UP TO THREE
  INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BARNESVILLE...ABERCROMBIE...CHRISTINE...WOLVERTON...COLFAX...
  COMSTOCK AND KENT.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.

ALSO INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 29 BETWEEN MILE MARKERS 34 AND 55.
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 17 AND 35.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 4673 9685 4675 9618 4663 9624 4663 9628
      4654 9628 4643 9633 4642 9698

$$

GUST
2 follow-up statements
981 
WGUS73 KFGF 120038
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
738 PM CDT MON JUL 11 2016

MNC027-167-NDC017-077-120400-
/O.CON.KFGF.FF.W.0005.000000T0000Z-160712T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WILKIN MN-CLAY MN-RICHLAND ND-CASS ND-
738 PM CDT MON JUL 11 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
NORTHERN WILKIN...SOUTHERN CLAY...NORTHEASTERN RICHLAND AND
SOUTHEASTERN CASS COUNTIES...

AT 733 PM CDT... THUNDERSTORMS HAVE LARGELY ENDED ACROSS THE WARNING
AREA... HOWEVER RADAR ESTIMATES AND SPOTTERS CONFIRM THAT FROM 3 TO
5 INCHES OF RAIN HAVE OCCURRED OVER PORTIONS OF THE WARNED AREA. IN
ADDITION RUNOFF FROM THESE STORMS HAS FILLED AREA DITCHES AND
FLOODED MANY AREA FIELDS. AS RUNOFF FLOWS INTO DITCHES AND SMALLER
STREAMS ADDITIONAL FLOODING IS POSSIBLE. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BARNESVILLE...ABERCROMBIE...CHRISTINE...WOLVERTON...COLFAX...
COMSTOCK AND KENT.

ADDITIONAL RAINFALL AMOUNTS OF A HALF INCH OR LESS ARE POSSIBLE
LATER THIS EVENING IN THE WARNED AREA.

ALSO INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 29 BETWEEN MILE MARKERS 34 AND 55.
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 17 AND 35.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 4673 9685 4675 9618 4663 9624 4663 9628
      4654 9628 4643 9633 4642 9698

$$

GUST
666 
WGUS73 KFGF 120347
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1047 PM CDT MON JUL 11 2016

MNC027-167-NDC017-077-120356-
/O.CAN.KFGF.FF.W.0005.000000T0000Z-160712T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WILKIN MN-CLAY MN-RICHLAND ND-CASS ND-
1047 PM CDT MON JUL 11 2016

...THE FLASH FLOOD WARNING FOR NORTHERN WILKIN...SOUTHERN CLAY...
NORTHEASTERN RICHLAND AND SOUTHEASTERN CASS COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED. FLASH FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT... THOUGH HIGH WATER IS STILL A POSSIBILITY. PLEASE
CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 4673 9685 4675 9618 4663 9624 4663 9628
      4654 9628 4643 9633 4642 9698

$$

GUST

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 12:13 AM CDTSevere Thunderstorm WarningFGFClay, Wilkin47 min
Jul 11, 12:58 AM CDTSevere Thunderstorm WarningFGFBecker, Clay, Mahnomen, Norman, Otter Tail, Wilkin47 min
Jul 11, 1:06 AM CDTSevere Thunderstorm WarningFGFMahnomen, Norman, Polk54 min
Jul 11, 1:45 AM CDTSevere Thunderstorm WarningFGFBecker, Clearwater, Hubbard, Mahnomen, Norman, Otter Tail and 2 more60 min
Jul 11, 2:01 AM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Hubbard, Mahnomen, Polk59 min
Jul 11, 2:46 AM CDTSevere Thunderstorm WarningFGFHubbard, Otter Tail, Wadena29 min
Jul 11, 2:59 AM CDTSevere Thunderstorm WarningFGFBeltrami, Hubbard61 min
Jul 11, 3:07 AM CDTHigh Wind WarningFGFKittson, Marshall4 hr
Jul 11, 1:06 PM CDTSpecial Weather StatementFGFWadena39 min
Jul 11, 2:54 PM CDTSpecial Weather StatementFGFWadena66 min
Jul 11, 3:05 PM CDTSevere Thunderstorm WarningFGFOtter Tail, Wadena31 min
Jul 11, 3:27 PM CDTSevere Thunderstorm WarningFGFOtter Tail, Wadena10 min
Jul 11, 4:37 PM CDTFlash Flood WarningFGFBecker, Hubbard, Otter Tail, Wadena6 hr
Jul 11, 6:02 PM CDTAreal Flood AdvisoryFGFBecker, Clay4 hr
Jul 10, 10:43 PM CDTSevere Thunderstorm WarningFGFBenson, Eddy, Ramsey62 min
Jul 10, 11:34 PM CDTSevere Thunderstorm WarningFGFBarnes, Griggs, Nelson, Ransom, Steele56 min
Jul 11, 12:25 AM CDTSevere Thunderstorm WarningFGFGrand Forks, Steele, Traill50 min

Nearby

Flash Flood Warnings in Minnesota, 2016Flash Flood Warnings in North Dakota, 2016Every flash flood warning in 2016

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.