Alert archive / Minnesota / Flash Flood Warnings in 2011
Flash Flood Warning 10, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jul 19, 2011, 6:00 AM CDT for Becker County, Otter Tail County, Minnesota. It was in force for 4 hr. 1 report 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 19, 2011, 6:00 AM CDT (11:00 UTC)
- Expired
- Jul 19, 2011, 10:17 AM CDT
- In force
- 4 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Flood severity
- None
Counties Becker County, MN, Otter Tail County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 134 km from the middle of the area, began a volume at 11:04 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 19, 6:30 AM CDT | FLASH FLOOD | Detroit Lakes, MN | BECKER SHERIFFS OFFICE REPORTED 2 TO 2.5 INCH RAINFALL AND PONDING OF WATER ON ROADWAYS. |
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, 11.0 hours before the alert went out and 272 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
- 6467 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 882 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 10.1
- Supercell composite
- 42.1
The text
As transmitted, in the capitals the NWS used until 2016.
661
WGUS53 KFGF 191102
FFWFGF
MNC005-111-191800-
/O.NEW.KFGF.FF.W.0010.110719T1102Z-110719T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
600 AM CDT TUE JUL 19 2011
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN BECKER COUNTY IN NORTHWEST MINNESOTA...
NORTH CENTRAL OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 100 PM CDT TUESDAY
* AT 600 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
THESE STORMS HAVE A HISTORY OF PRODUCING 2 TO 5 INCHES OF RAINFALL
IN A VERY SHORT DURATION.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DETROIT LAKES...FRAZEE...LAKE PARK...AUDUBON...BIG MCDONALD LAKE...
CORMORANT AND DUNVILLA.
THE FOLLOWING STREAMS ARE INCLUDED IN THE WARNING...PELICAN
RIVER...SPRING CREEK...OTTER TAIL RIVER...WHISKY CREEK AND HAY CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND DONT DROWN. AVOID DRIVING ON FLOODED ROADS. MOST FLOOD
RELATED DEATHS OCCUR IN AUTOMOBILES.
&&
LAT...LON 4655 9560 4662 9619 4663 9619 4664 9617
4666 9618 4698 9617 4698 9619 4695 9559
$$
TG1 follow-up statement
293
WGUS73 KFGF 191517
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1017 AM CDT TUE JUL 19 2011
MNC005-111-191532-
/O.CAN.KFGF.FF.W.0010.000000T0000Z-110719T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OTTER TAIL MN-BECKER MN-
1017 AM CDT TUE JUL 19 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN BECKER
AND NORTH CENTRAL OTTER TAIL COUNTIES...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND DONT DROWN. AVOID DRIVING ON FLOODED ROADS. MOST FLOOD
RELATED DEATHS OCCUR IN AUTOMOBILES.
&&
LAT...LON 4655 9560 4662 9619 4663 9619 4664 9617
4666 9618 4698 9617 4698 9619 4695 9559
$$
VGThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 4:47 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 58 min |
| Jul 19, 5:14 AM CDT | Flash Flood Warning | FGF | Clay | 5 hr |
| Jul 19, 5:15 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Otter Tail, Wilkin | 60 min |
| Jul 19, 5:45 AM CDT | Flash Flood Warning | FGF | Clay | 5 hr |
| Jul 19, 6:00 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 60 min |
| Jul 19, 6:44 AM CDT | Flash Flood Warning | FGF | Becker, Hubbard, Otter Tail, Wadena | 4 hr |
| Jul 19, 6:50 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard, Otter Tail, Wadena | 55 min |
| Jul 19, 10:00 AM CDT | River Flood Warning | FGF | Clay | 25 hr |
| Jul 19, 10:00 AM CDT | River Flood Warning | FGF | Clay | 49 hr |
| Jul 19, 2:15 PM CDT | Areal Flood Advisory | FGF | Beltrami, Clearwater | 10 hr |
Nearby
Flash 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.