Alert archive / Minnesota / Flash Flood Warnings in 2016

Flash Flood Warning 4, NWS Grand Forks, ND

July 11, 20164 counties in Minnesota

NWS Grand Forks, ND issued this flash flood warning at Jul 11, 2016, 4:37 PM CDT for 4 counties in Minnesota. It was in force for 6 hr. 6 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, 4:37 PM CDT (21:37 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 Becker County, MN, Hubbard County, MN, Otter Tail County, MN, Wadena County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 192 km from the middle of the area, began a volume at 21:40 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
Jul 11, 5:09 PM CDT	FLASH FLOOD	4 Nne Pelican Rapids, MN	DITCHES AND FIELDS FLOODING ALONG HWY 59 BETWEEN PELICAN RAPIDS AND DUNVILLA. REPORT POSTED VIA SOCIAL MEDIA.
Jul 11, 6:06 PM CDT	FLASH FLOOD	Detroit Lakes, MN	FLOODING REPORTED IN WASHINGTON PARK AND STREET FLOODING ON LANGFORD STREET. REPORT AND PICTURES POSTED VIA SOCIAL MEDIA.
Jul 11, 7:54 PM CDT	FLASH FLOOD	3 Wnw Detroit Lakes, MN	FLOODING REPORTED ON HIGHWAY 10. REPORT AND PHOTO POSTED VIA SOCIAL MEDIA.
Jul 11, 7:58 PM CDT	FLASH FLOOD	1 S Height Of Land Lake, MN	FIELDS AND ACCESS ROADS FLOODED. OBSERVER REPORTS HAVING RECEIVED 3.6 INCHES OF RAIN SINCE 4 PM CDT. TOTAL OVER 7.58 INCHES OF RAIN SINCE SATURDAY.
Jul 11, 9:00 PM CDT	FLASH FLOOD	4 Wsw Park Rapids, MN	FIELD FLOODING AND SOME BASEMENT FLOODING REPORTED ACROSS PORTIONS OF STRAIGHT RIVER TOWNSHIP.
Jul 11, 9:26 PM CDT	FLASH FLOOD	2 W Sebeka, MN	SOME FIELDS AND ACCESS ROADS IN RED EYE AND NORTHERN ROCKWOOD TOWNSHIPS ARE FLOODING. CAT AND KITTEN CREEKS ARE RUNNING BANKFUL NOW AND RISING... AS IS THE RED EYE RIVER.

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

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 9.6 hours before the alert went out and 234 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: 18 J/kg
Mixed-layer CIN: -251 J/kg
Mixed-layer LCL: 673 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

610 
WGUS53 KFGF 112137
FFWFGF
MNC005-057-111-159-120400-
/O.NEW.KFGF.FF.W.0004.160711T2137Z-160712T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHERN WADENA COUNTY IN CENTRAL MINNESOTA...
  BECKER COUNTY IN NORTHWESTERN MINNESOTA...
  SOUTHERN HUBBARD COUNTY IN NORTH CENTRAL MINNESOTA...

* UNTIL 1100 PM CDT MONDAY

* AT 434 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ALONG A LINE EXTENDING FROM NEAR PELICAN RAPIDS TO NEAR
  POPLAR AND NORTHWARD. THE STORMS ARE MOVING NORTHEAST AT 30
  MPH...WITH ADDDITIONAL STORMS FOLLOWING BEHIND. AREAS OF FLASH
  FLOODING ARE EXPECTED TO DEVELOP SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  DETROIT LAKES...PARK RAPIDS...PERHAM...PELICAN RAPIDS...FRAZEE...
  MENAHGA AND LAKE LIDA.

ADDITIONAL RAINFALL AMOUNTS OF FROM 1 TO 2 INCHES ARE POSSIBLE IN
THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

&&

LAT...LON 4680 9473 4680 9479 4663 9478 4656 9480
      4655 9619 4705 9585 4706 9467 4703 9466

$$

GUST

3 follow-up statements

009 
WGUS53 KFGF 120030
FFWFGF
MNC005-057-111-159-120400-
/O.EXT.KFGF.FF.W.0004.000000T0000Z-160712T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTHERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHERN WADENA COUNTY IN CENTRAL MINNESOTA...
  BECKER COUNTY IN NORTHWESTERN MINNESOTA...
  SOUTHERN HUBBARD COUNTY IN NORTH CENTRAL MINNESOTA...

* UNTIL 1100 PM CDT

* AT 724 PM CDT...THE PUBLIC REPORTED THUNDERSTORMS PRODUCING HEAVY
  RAIN FROM DETROIT LAKES EASTWARD INTO PARK RAPIDS. STORMS CONTINUE
  TO DEVELOP ACROSS MUCH OF THE WARNED AREA. RADAR ESTIMATES THAT
  MORE THAN 6 TO 7 INCHES OF RAIN MAY HAVE OCCURRED SINCE EARLY THIS
  MORNING OVER CENTRAL BECKER COUNTY... WITH 3 TO 5 INCHES OF RAIN
  OVER A MUCH BROADER AREA. FLASH FLOODING IS ALREADY OCCURRING IN
  SOME AREAS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  DETROIT LAKES...PARK RAPIDS...PERHAM...PELICAN RAPIDS...FRAZEE...
  MENAHGA AND LAKE LIDA.

ADDITIONAL RAINFALL AMOUNTS OF AN INCH OR MORE ARE POSSIBLE
THROUGH THIS EVENING IN THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

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

&&

LAT...LON 4680 9473 4680 9479 4663 9478 4656 9480
      4655 9619 4705 9585 4706 9467 4703 9466

$$

GUST

902 
WGUS73 KFGF 120049
FFSFGF

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

MNC005-057-111-159-120400-
/O.CON.KFGF.FF.W.0004.000000T0000Z-160712T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OTTER TAIL MN-WADENA MN-BECKER MN-HUBBARD MN-
749 PM CDT MON JUL 11 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
NORTHERN OTTER TAIL...NORTHERN WADENA...BECKER AND SOUTHERN HUBBARD
COUNTIES...

AT 744 PM CDT...THE PUBLIC REPORTED THUNDERSTORMS PRODUCING HEAVY
RAIN FROM DETROIT LAKES EASTWARD INTO PARK RAPIDS. STORMS CONTINUE
TO DEVELOP ACROSS MUCH OF THE WARNED AREA. RADAR ESTIMATES THAT MORE
THAN 6 TO 7 INCHES OF RAIN MAY HAVE OCCURRED SINCE EARLY THIS
MORNING OVER CENTRAL BECKER COUNTY... WITH 3 TO 5 INCHES OF RAIN
OVER A MUCH BROADER AREA. FLASH FLOODING IS EITHER OCCURRING IN SOME
AREAS OR IS EXPECTED TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DETROIT LAKES...PARK RAPIDS...PERHAM...PELICAN RAPIDS...FRAZEE...
MENAHGA AND LAKE LIDA.

ADDITIONAL RAINFALL AMOUNTS OF AN INCH OR MORE ARE POSSIBLE THROUGH
THIS EVENING IN THE WARNED AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

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

&&

LAT...LON 4680 9473 4680 9479 4663 9478 4656 9480
      4655 9619 4705 9585 4706 9467 4703 9466

$$

GUST

338 
WGUS73 KFGF 120353
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1053 PM CDT MON JUL 11 2016

MNC005-057-111-159-120401-
/O.EXP.KFGF.FF.W.0004.000000T0000Z-160712T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OTTER TAIL MN-WADENA MN-BECKER MN-HUBBARD MN-
1053 PM CDT MON JUL 11 2016

...THE FLASH FLOOD WARNING FOR NORTHERN OTTER TAIL...NORTHERN
WADENA...BECKER AND SOUTHERN HUBBARD COUNTIES WILL EXPIRE AT 1100 PM
CDT...

THE HEAVY RAIN HAS ENDED. FLASH FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT... THOUGH EXISTING HIGH WATER IS STILL A CONCERN AND
MAY POSE PROBLEMS OVERNIGHT. 

AN AREAL FLOOD WARNING HAS BEEN ISSUED... EFFECTIVE UNTIL 945 AM
CDT. PLEASE WATCH FOR WATER CROSSING ROADWAYS AND CONTINUE TO HEED
ANY REMAINING ROAD CLOSURES.

LAT...LON 4680 9473 4680 9479 4663 9478 4656 9480
      4655 9619 4705 9585 4706 9467 4703 9466

$$

GUST

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 12:13 AM CDT	Severe Thunderstorm Warning	FGF	Clay, Wilkin	47 min
Jul 11, 12:58 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Mahnomen, Norman, Otter Tail, Wilkin	47 min
Jul 11, 1:06 AM CDT	Severe Thunderstorm Warning	FGF	Mahnomen, Norman, Polk	54 min
Jul 11, 1:45 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Clearwater, Hubbard, Mahnomen, Norman, Otter Tail and 2 more	60 min
Jul 11, 2:01 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater, Hubbard, Mahnomen, Polk	59 min
Jul 11, 2:46 AM CDT	Severe Thunderstorm Warning	FGF	Hubbard, Otter Tail, Wadena	29 min
Jul 11, 2:59 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Hubbard	61 min
Jul 11, 3:07 AM CDT	High Wind Warning	FGF	Kittson, Marshall	4 hr
Jul 11, 1:06 PM CDT	Special Weather Statement	FGF	Wadena	39 min
Jul 11, 2:54 PM CDT	Special Weather Statement	FGF	Wadena	66 min
Jul 11, 3:05 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail, Wadena	31 min
Jul 11, 3:27 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail, Wadena	10 min
Jul 11, 5:08 PM CDT	Flash Flood Warning	FGF	Clay, Wilkin	6 hr
Jul 11, 6:02 PM CDT	Areal Flood Advisory	FGF	Becker, Clay	4 hr

Nearby

Flash Flood Warnings in Minnesota, 2016 Every 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.