Alert archive / North Dakota / Flash Flood Warnings in 2014

Flash Flood Warning 7, NWS Grand Forks, ND

September 4, 2014Clay County, Wilkin County, Minnesota; 4 counties in North Dakota

NWS Grand Forks, ND issued this flash flood warning at Sep 4, 2014, 3:55 AM CDT for Clay County, Wilkin County, Minnesota; 4 counties in North Dakota. It was in force for 8 hr. 5 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 4, 2014, 3:55 AM CDT (08:55 UTC)
Expired: Sep 4, 2014, 12:00 PM CDT
In force: 8 hr
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Flood severity: None

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

The radar

The Fargo/Grand Forks radar (KMVX), 93 km from the middle of the area, began a volume at 08:59 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 4, 5:00 AM CDT	HEAVY RAIN 2.13	Sabin, MN
Sep 4, 6:30 AM CDT	FLASH FLOOD	2 E Wolverton, MN	SEVERAL FARM ACCESS ROADS AND FIELDS WERE FLOODED ACROSS WOLVERTON TOWNSHIP.
Sep 4, 7:00 AM CDT	FLASH FLOOD	Wolverton, MN	FLOODED CROP FIELDS
Sep 4, 8:24 AM CDT	HEAVY RAIN 2.43	Chaffee, ND	STORM TOTAL
Sep 4, 8:30 AM CDT	HEAVY RAIN 3.97	Kindred, ND	STORM TOTAL

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, 8.9 hours before the alert went out and 212 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2053 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 962 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 263 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 12.2

Open this sounding in Storm Lab

The text

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

222 
WGUS53 KFGF 040855
FFWFGF
MNC027-167-NDC003-017-073-077-041700-
/O.NEW.KFGF.FF.W.0007.140904T0855Z-140904T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
355 AM CDT THU SEP 4 2014

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN CLAY COUNTY IN NORTHWEST MINNESOTA...
  SOUTHERN BARNES COUNTY IN SOUTHEAST NORTH DAKOTA...
  SOUTHERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA...
  NORTHERN RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA...
  NORTHWESTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA...
  NORTHWESTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL NOON CDT

* AT 355 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED 3 TO 5 
  INCHES OF RAIN HAD FALLEN ALONG A LINE FROM NEAR VALLEY CITY NORTH 
  DAKOTA EAST SOUTHEAST TO THE HORACE AND COMSTOCK AREAS OF WEST 
  CENTRAL MINNESOTA. ADDITIONAL STRONG THUNDERSTORMS WERE DEVELOPING 
  AND WILL MOVE OVER THE AREAS THAT HAVE RECEIVED EXCESSIVE RAINFALL.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  VALLEY CITY...ENDERLIN...HORACE...KINDRED...ALICE...ANSELM AND
  BAKER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND DONT DROWN. AVOID DRIVING ON FLOODED ROADS. MOST FLOOD
RELATED DEATHS OCCUR IN AUTOMOBILES.

&&

LAT...LON 4677 9651 4650 9649 4653 9801 4665 9803
      4664 9843 4701 9844

$$

EWENS

1 follow-up statement

885 
WGUS73 KFGF 041659 RRA
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1200 PM CDT THU SEP 4 2014

MNC027-167-NDC003-017-073-077-041715-
/O.EXP.KFGF.FF.W.0007.000000T0000Z-140904T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARNES ND-CASS ND-RANSOM ND-RICHLAND ND-CLAY MN-WILKIN MN-
1200 PM CDT THU SEP 4 2014

...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN CLAY COUNTY
IN NORTHWEST MINNESOTA...AND NORTHWESTERN WILKIN COUNTY IN WEST
CENTRAL MINNESOTA...AND NORTHWESTERN RICHLAND...NORTHERN RANSOM...
SOUTHERN CASS AND SOUTHERN BARNES COUNTIES IN SOUTHEAST NORTH
DAKOTA...

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...

TURN AROUND DONT DROWN. AVOID DRIVING ON FLOODED ROADS. MOST FLOOD
RELATED DEATHS OCCUR IN AUTOMOBILES.

&&

LAT...LON 4677 9651 4650 9649 4653 9801 4665 9803
      4664 9843 4701 9844

$$

JK

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 4, 2:36 AM CDT	Severe Thunderstorm Warning	FGF	Clay, Wilkin	54 min
Sep 4, 3:25 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Otter Tail, Wilkin	65 min
Sep 4, 4:02 AM CDT	Severe Thunderstorm Warning	FGF	Clay, Otter Tail, Wilkin	58 min
Sep 4, 4:31 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Hubbard, Otter Tail, Wadena	59 min
Sep 4, 4:46 AM CDT	Tornado Warning	FGF	Otter Tail, Wilkin	44 min
Sep 4, 4:58 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Otter Tail, Wilkin	62 min
Sep 4, 4:59 AM CDT	Flash Flood Warning	FGF	Becker, Clay, Otter Tail, Wilkin	7 hr
Sep 4, 5:06 AM CDT	Tornado Warning	FGF	Otter Tail, Wadena	39 min
Sep 4, 5:32 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Hubbard, Otter Tail, Wadena	58 min
Sep 4, 5:51 AM CDT	Tornado Warning	FGF	Otter Tail, Wadena	39 min
Sep 4, 6:03 AM CDT	Areal Flood Warning	FGF	Becker, Hubbard, Otter Tail, Wadena	10 hr
Sep 4, 1:19 PM CDT	River Flood Watch	FGF	Clay	4 days
Sep 4, 2:19 AM CDT	Special Weather Statement	FGF	Traill	56 min
Sep 4, 2:40 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	65 min
Sep 4, 2:48 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom	42 min
Sep 4, 3:13 AM CDT	Tornado Warning	FGF	Barnes	47 min
Sep 4, 3:28 AM CDT	Severe Thunderstorm Warning	FGF	Cass, Ransom, Richland	62 min
Sep 4, 3:51 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland	54 min
Sep 4, 4:10 AM CDT	Tornado Warning	FGF	Cass, Ransom, Richland	39 min

Nearby

Flash Flood Warnings in North Dakota, 2014 Flash Flood Warnings in Minnesota, 2014 Every flash flood warning in 2014

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.