Alert archive / Minnesota / River Flood Warnings in 2018

River Flood Warning 4, NWS Twin Cities, MN

April 13, 2018Brown County, Minnesota

NWS Twin Cities, MN issued this river flood warning at Apr 13, 2018, 11:15 AM CDT for Brown County, Minnesota. It took effect at Apr 14, 2018, 7:00 PM CDT. It was in force for 16 hr.

The area

The outline as issued.

The facts

Issued
Apr 13, 2018, 11:15 AM CDT (16:15 UTC)
In effect from
Apr 14, 2018, 7:00 PM CDT
Expired
Apr 15, 2018, 11:11 AM CDT
In force
16 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
Minor

County Brown County, MN

The radar

The Minneapolis radar (KMPX), 100 km from the middle of the area, began a volume at 16:17 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.

The river

Written for the forecast point Cottonwood River (MN) at New Ulm (NWUM5). The gauge peaked at 10.56 ft at Apr 14, 2018, 6:00 PM CDT.

actionminormoderate6810121404/1304/1404/1504/16
Action stage
9 ft
Minor stage
11 ft
Moderate stage
13 ft
Major stage
16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05317000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

267 
WGUS43 KMPX 131615
FLWMPX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Twin Cities/Chanhassen MN
1115 AM CDT Fri Apr 13 2018

...The National Weather Service in Chanhassen has issued a flood 
warning for the following rivers in Minnesota... 

  Cottonwood River at New Ulm affecting Brown County

.This river forecast is based on forecast precipitation of 1 to 2 inches
inches over the next 24 to 36 hours. Heavier rains could cause river levels
to rise even higher than predicted. The National Weather Service will
monitor this developing situation and issue followup statements as 
conditions or forecasts change.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through flooded areas.  Turn Around...Don't Drown. 

Stay tuned to NOAA Weather Radio or your local radio or TV station 
for the latest information concerning this flood event.

&&

MNC015-142215-
/O.NEW.KMPX.FL.W.0004.180415T0000Z-000000T0000Z/
/NWUM5.1.ER.180415T0000Z.180416T1800Z.000000T0000Z.NO/
1115 AM CDT Fri Apr 13 2018

The National Weather Service in Chanhassen has issued a 

* Flood Warning for 
  The Cottonwood River at New Ulm.
* from Saturday evening until further notice.
* At 11:00 AM Friday the stage was 8.4 feet.
* Minor flooding is forecast.
* Flood stage is 11.0 feet.
* Forecast...Rise above flood stage by tomorrow evening and continue 
  to rise to near 12.8 feet by Monday early afternoon.
* Impact...At 13.0 feet...Flood waters begin to impact Cottonwood 
  Street west of the river.

&&
 
LAT...LON 4433 9448 4427 9441 4422 9470 4430 9470

$$

Schmidt
4 follow-up statements
925 
WGUS83 KMPX 140130
FLSMPX
Flood Statement
National Weather Service Twin Cities/Chanhassen MN
830 PM CDT Fri Apr 13 2018

...The flood warning continues for the following rivers in 
Minnesota...
 
  Cottonwood River at New Ulm affecting Brown County 
...The flood warning continues for the following rivers in 
Minnesota..
  Redwood River near Redwood Falls affecting Redwood County 

.Overview...This forecast is based on runoff from heavy snowfall expected this weekend. River forecasts may change if more or less precipitation occurs than is forecast

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through flooded areas.  Turn Around...Don't Drown. 

Stay tuned to NOAA Weather Radio or your local radio or TV station 
for the latest information concerning this flood event.

&&

MNC015-150730-
/O.EXT.KMPX.FL.W.0004.180415T0600Z-000000T0000Z/
/NWUM5.1.ER.180415T0600Z.180416T1200Z.000000T0000Z.NO/
830 PM CDT Fri Apr 13 2018

...Flood Warning now expected to end further notice...The Flood 
Warning continues for
  The Cottonwood River at New Ulm.
* from late Saturday night until further notice.
* At  8:00 PM Friday the stage was 9.0 feet.
* Minor flooding is forecast.
* Flood stage is 11.0 feet.
* Forecast...Rise above flood stage by early Sunday morning and 
  continue to rise to near 12.0 feet by Monday morning.
* Impact...At 13.0 feet...Flood waters begin to impact Cottonwood 
  Street west of the river.
* Impact...At 11.0 feet...Flood waters begin to impact low lying 
  areas...and some roads along the river.

&&
 
LAT...LON 4433 9448 4427 9441 4422 9470 4430 9470

$$

MNC127-150730-
/O.CON.KMPX.FL.W.0003.000000T0000Z-000000T0000Z/
/RWDM5.1.ER.180413T1745Z.180415T0600Z.000000T0000Z.NO/
830 PM CDT Fri Apr 13 2018

The Flood Warning continues for
  The Redwood River near Redwood Falls.
* until further notice.
* At  7:30 PM Friday the stage was 6.3 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 6.0 feet.
* Forecast...The river will continue rising to near 6.9 feet by early
  Sunday morning then begin falling.
* Impact...At 6.0 feet...Low lying areas, mainly farmland, and some 
  roads along the river begin to experience flooding.

&&
 
LAT...LON 4458 9514 4453 9505 4444 9539 4451 9546

$$
075 
WGUS83 KMPX 141435
FLSMPX
Flood Statement
National Weather Service Twin Cities/Chanhassen MN
935 AM CDT Sat Apr 14 2018

...The flood warning continues for the following rivers in 
Minnesota...
 
  Cottonwood River at New Ulm affecting Brown County 
  Redwood River near Redwood Falls affecting Redwood County 

.Overview...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through flooded areas.  Turn Around...Don't Drown. 

Stay tuned to NOAA Weather Radio or your local radio or TV station 
for the latest information concerning this flood event.

&&

MNC015-152035-
/O.EXT.KMPX.FL.W.0004.180415T0430Z-180419T0600Z/
/NWUM5.1.ER.180415T0430Z.180416T1200Z.180418T1200Z.NO/
935 AM CDT Sat Apr 14 2018

...Flood Warning now expected to end late Wednesday night...The Flood
Warning continues for
  The Cottonwood River at New Ulm.
* from this evening to late Wednesday night.
* At  9:00 AM Saturday the stage was 10.0 feet.
* Minor flooding is forecast.
* Flood stage is 11.0 feet.
* Forecast...Rise above flood stage by tonight and continue to rise 
  to near 12.1 feet by Monday morning. The river is forecast to fall 
  below flood stage by Wednesday morning.
* Impact...At 13.0 feet...Flood waters begin to impact Cottonwood 
  Street west of the river.
* Impact...At 11.0 feet...Flood waters begin to impact low lying 
  areas...and some roads along the river.

&&
 
LAT...LON 4433 9448 4427 9441 4422 9470 4430 9470

$$

MNC127-152035-
/O.CON.KMPX.FL.W.0003.000000T0000Z-000000T0000Z/
/RWDM5.1.ER.180413T1745Z.180415T0600Z.000000T0000Z.NO/
935 AM CDT Sat Apr 14 2018

The Flood Warning continues for
  The Redwood River near Redwood Falls.
* until further notice.
* At  8:30 AM Saturday the stage was 6.3 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 6.0 feet.
* Forecast...The river will continue rising to near 6.9 feet by after
  midnight tonight.
* Impact...At 6.0 feet...Low lying areas, mainly farmland, and some 
  roads along the river begin to experience flooding.

&&
 
LAT...LON 4458 9514 4453 9505 4444 9539 4451 9546

$$
351 
WGUS83 KMPX 150153
FLSMPX
Flood Statement
National Weather Service Twin Cities/Chanhassen MN
853 PM CDT Sat Apr 14 2018

...The flood warning is cancelled for the following rivers in 
Minnesota...
 
  Redwood River near Redwood Falls affecting Redwood County
...The flood warning continues for the following rivers in 
Minnesota...
 
  Cottonwood River at New Ulm affecting Brown County 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through flooded areas.  Turn Around...Don't Drown. 

Stay tuned to NOAA Weather Radio or your local radio or TV station 
for the latest information concerning this flood event.

&&

MNC015-160753-
/O.EXT.KMPX.FL.W.0004.180415T0730Z-000000T0000Z/
/NWUM5.1.ER.180415T0730Z.180416T1200Z.000000T0000Z.NO/
853 PM CDT Sat Apr 14 2018

...Flood Warning now expected to end further notice...The Flood 
Warning continues for
  The Cottonwood River at New Ulm.
* from late tonight until further notice.
* At  8:00 PM Saturday the stage was 10.5 feet.
* Minor flooding is forecast.
* Flood stage is 11.0 feet.
* Forecast...Rise above flood stage by after midnight tonight and 
  continue to rise to near 12.1 feet by Monday morning.
* Impact...At 13.0 feet...Flood waters begin to impact Cottonwood 
  Street west of the river.
* Impact...At 11.0 feet...Flood waters begin to impact low lying 
  areas...and some roads along the river.

&&
 
LAT...LON 4433 9448 4427 9441 4422 9470 4430 9470

$$

MNC127-150223-
/O.CAN.KMPX.FL.W.0003.000000T0000Z-180415T0153Z/
/RWDM5.1.ER.180413T1745Z.180414T1800Z.180414T2015Z.NO/
853 PM CDT Sat Apr 14 2018

The Flood Warning is cancelled for
  The Redwood River near Redwood Falls.
* At  8:30 PM Saturday the stage was 5.6 feet.
* Fell below flood stage at  3:15 PM Saturday.
* Flood stage is 6.0 feet.
* Forecast...The river will continue to fall to 5.4 feet by Monday 
  morning.
* Impact...At 6.0 feet...Low lying areas, mainly farmland, and some 
  roads along the river begin to experience flooding.

&&
 
LAT...LON 4458 9514 4453 9505 4444 9539 4451 9546

$$
658 
WGUS83 KMPX 151611
FLSMPX
Flood Statement
National Weather Service Twin Cities/Chanhassen MN
1111 AM CDT Sun Apr 15 2018

...The flood warning is cancelled for the following rivers in 
Minnesota...
 
  Cottonwood River at New Ulm affecting Brown County

&&

MNC015-151641-
/O.CAN.KMPX.FL.W.0004.000000T0000Z-180415T1611Z/
/NWUM5.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1111 AM CDT Sun Apr 15 2018

The Flood Warning is cancelled for
  The Cottonwood River at New Ulm.
* At 10:00 AM Sunday the stage was 9.9 feet.
* Flood stage is 11.0 feet.
* Forecast...The river will remain below flood stage through
  April 21st.
* Impact...At 11.0 feet...Flood waters begin to impact low lying 
  areas...and some roads along the river.

&&
 
LAT...LON 4433 9448 4427 9441 4422 9470 4430 9470

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 9:34 PM CDTWinter Storm WarningMPXAnoka, Benton, Blue Earth, Brown, Carver, Chisago and 24 more3 days
Apr 13, 8:26 AM CDTSpecial Weather StatementMPXBrown, Redwood64 min
Apr 13, 9:01 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Watonwan14 min
Apr 13, 10:14 AM CDTSpecial Weather StatementMPXDakota, Rice46 min
Apr 13, 12:36 PM CDTSpecial Weather StatementMPXYellow Medicine39 min
Apr 13, 1:21 PM CDTSpecial Weather StatementMPXRedwood24 min
Apr 13, 3:12 PM CDTWinter Weather AdvisoryMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 31 more57 hr
Apr 13, 3:20 PM CDTSpecial Weather StatementMPXSteele25 min
Apr 13, 3:57 PM CDTSpecial Weather StatementMPXFreeborn33 min
Apr 13, 6:24 PM CDTSpecial Weather StatementMPXMartin, Watonwan51 min
Apr 13, 6:44 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Watonwan31 min

Nearby

River Flood Warnings in Minnesota, 2018Every river flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.