Alert archive / Minnesota / Areal Flood Warnings in 2018

Areal Flood Warning 13, NWS Twin Cities, MN

September 4, 2018Goodhue County, Rice County, Minnesota

NWS Twin Cities, MN issued this areal flood warning at Sep 4, 2018, 7:57 PM CDT for Goodhue County, Rice County, Minnesota. It was in force for 18 hr. 18 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, 2018, 7:57 PM CDT (00:57 UTC)
Expired
Sep 5, 2018, 1:49 PM CDT
In force
18 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
None

Counties Goodhue County, MN, Rice County, MN

The radar

The Minneapolis radar (KMPX), 80 km from the middle of the area, began a volume at 01:02 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
Sep 4, 9:00 PM CDTHEAVY RAIN 4.524 E Nerstrand, MN24HR TOTAL.
Sep 5, 5:00 AM CDTHEAVY RAIN 4.42 Nne Zumbrota, MNCOCORAHS STATION MN-GH-9, 2 NNE ZUMBROTA.
Sep 5, 6:00 AM CDTHEAVY RAIN 3.19Red Wing, MNCO-OP OBSERVER STATION RDWM5, RED WING.
Sep 5, 6:00 AM CDTHEAVY RAIN 4.5Kenyon, MNCOCORAHS STATION MN-GH-2, KENYON.
Sep 5, 6:45 AM CDTHEAVY RAIN 3.51Frontenac, MNCO-OP OBSERVER STATION FRCM5, FRONTENAC.
Sep 5, 6:55 AM CDTHEAVY RAIN 2.63Stanton Ap, MNAWOS STATION SYN, STANTON AP.
Sep 5, 7:00 AM CDTHEAVY RAIN 3.46Morristown 2sw, MNCOCORAHS STATION MN-WC-7, MORRISTOWN 2SW.
Sep 5, 7:00 AM CDTHEAVY RAIN 3.63Vasa 5nne, MNCOCORAHS STATION MN-GH-21, VASA 5NNE.
Sep 5, 7:00 AM CDTHEAVY RAIN 4.07Faribault, MNCO-OP OBSERVER STATION FBTM5, FARIBAULT.
Sep 5, 7:00 AM CDTHEAVY RAIN 4.81Lake City 1nnw, MNCOCORAHS STATION MN-GH-3, LAKE CITY 1NNW.
Sep 5, 7:00 AM CDTHEAVY RAIN 4.9Dennison 6e, MNCOCORAHS STATION MN-GH-18, DENNISON 6E.
Sep 5, 7:00 AM CDTHEAVY RAIN 5.28Wanamingo 3sse, MNCOCORAHS STATION MN-GH-11, WANAMINGO 3SSE.
Sep 5, 7:02 AM CDTHEAVY RAIN 4.8Cannon Falls, MNCOCORAHS STATION MN-GH-26, CANNON FALLS.
Sep 5, 7:26 AM CDTHEAVY RAIN 4.3Dennison, MNCOCORAHS STATION MN-GH-15, DENNISON.
Sep 5, 8:00 AM CDTFLOODKenyon, MNFLOODING OF THE NORTH FORK ZUMBRO RIVER. REPORT WITH PHOTOS ON TWITTER.
Sep 5, 8:00 AM CDTHEAVY RAIN 3.47Cannon Falls, MNCOCORAHS STATION MN-GH-28, CANNON FALLS.
Sep 5, 8:45 AM CDTHEAVY RAIN 3.42Frontenac, MNCO-OP OBSERVER STATION FRCM5, FRONTENAC.
Sep 5, 10:45 AM CDTHEAVY RAIN 2.94Frontenac, MNCO-OP OBSERVER STATION FRCM5, FRONTENAC.

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.0 hours before the alert went out and 364 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, Green Bay/Straub, WI at 00:00Z on 2018-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 joules per kilogram.LCLLFCEL10008507005003002001001 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, Green Bay/Straub, WI at 00:00Z on 2018-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.193958Sfc1 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
1725 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted.

725 
WGUS43 KMPX 050057
FLWMPX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Twin Cities/Chanhassen MN
757 PM CDT TUE SEP 4 2018

MNC049-131-050700-
/O.NEW.KMPX.FA.W.0013.180905T0057Z-180905T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Goodhue MN-Rice MN-
757 PM CDT TUE SEP 4 2018

The National Weather Service in The Twin Cities has issued a

* Flood Warning for...
  Goodhue County in southeastern Minnesota...
  Southeastern Rice County in south central Minnesota...

* Until 200 AM CDT Wednesday.

* At 756 PM CDT, Doppler radar and automated rain gauges indicated 
  that up to three inches of rain have already fallen. An additional 
  1 to 2 inches are possible which could cause flooding.

* Some locations that will experience flooding include...
  Faribault, Red Wing, Cannon Falls, Pine Island, Zumbrota, Kenyon,
  Goodhue, Stanton, Wanamingo, Morristown, Welch and Warsaw.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 4452 9301 4451 9295 4454 9291 4454 9280
      4463 9279 4463 9273 4471 9272 4457 9255
      4456 9234 4450 9230 4446 9224 4445 9243
      4437 9243 4436 9255 4420 9256 4420 9348

$$

JRB
3 follow-up statements
829 
WGUS43 KMPX 050625
FLWMPX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Twin Cities/Chanhassen MN
125 AM CDT WED SEP 5 2018

MNC049-131-051900-
/O.EXT.KMPX.FA.W.0013.000000T0000Z-180905T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Goodhue MN-Rice MN-
125 AM CDT WED SEP 5 2018

The National Weather Service in The Twin Cities has extended the

* Flood Warning for...
  Goodhue County in southeastern Minnesota...
  Southeastern Rice County in south central Minnesota...

* Until 200 PM CDT Wednesday.

* At 115 AM CDT, the heaviest rainfall has ended, but runoff from 
  earlier rainfall of 3 to 6 inches is not complete. The runoff will 
  lead to continued rising of streams, creeks and rivers across the 
  warned area. 

Flood waters are moving down several of the local rivers including 
the Cannon and Little Cannon. Please be advised that these rivers 
will continue to rise through the night, and into Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 4452 9301 4451 9295 4454 9291 4454 9280
      4463 9279 4463 9273 4471 9272 4457 9255
      4456 9234 4450 9230 4446 9224 4445 9243
      4437 9243 4436 9255 4420 9256 4420 9348

$$

JLT
698 
WGUS83 KMPX 050925
FLSMPX

Flood Statement
National Weather Service Twin Cities/Chanhassen MN
425 AM CDT WED SEP 5 2018

MNC049-131-051900-
/O.CON.KMPX.FA.W.0013.000000T0000Z-180905T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Goodhue MN-Rice MN-
425 AM CDT WED SEP 5 2018

...A FLOOD WARNING REMAINS IN EFFECT UNTIL 200 PM CDT WEDNESDAY FOR
GOODHUE AND SOUTHEASTERN RICE COUNTIES...

At 415 AM CDT, Doppler radar had shown a decrease in rainfall since 
midnight. Since Tuesday morning, rainfall amounts of three to five 
inches has fallen across the warned area. This had led to rising 
creeks, streams and rivers across the warned area. Although no 
additional heavy rainfall is expected this morning, runoff is not 
complete. Therefore, area streams, creeks and rivers will remain 
high. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4452 9301 4451 9295 4454 9291 4454 9280
      4463 9279 4463 9273 4471 9272 4457 9255
      4456 9234 4450 9230 4446 9224 4445 9243
      4437 9243 4436 9255 4420 9256 4420 9348

$$

JLT
731 
WGUS83 KMPX 051849
FLSMPX

Flood Statement
National Weather Service Twin Cities/Chanhassen MN
149 PM CDT WED SEP 5 2018

MNC049-131-051859-
/O.CAN.KMPX.FA.W.0013.000000T0000Z-180905T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Goodhue MN-Rice MN-
149 PM CDT WED SEP 5 2018

...THE FLOOD WARNING HAS BEEN CANCELLED FOR GOODHUE AND SOUTHEASTERN
RICE COUNTIES...

Flood waters have receded, and are no longer expected to pose a
threat to life or property. Please continue to heed any road
closures.

LAT...LON 4452 9301 4451 9295 4454 9291 4454 9280
      4463 9279 4463 9273 4471 9272 4457 9255
      4456 9234 4450 9230 4446 9224 4445 9243
      4437 9243 4436 9255 4420 9256 4420 9348

$$

DWE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 7:03 PM CDTSpecial Weather StatementMPXFreeborn, Steele57 min
Sep 4, 8:01 PM CDTAreal Flood WarningMPXFaribault, Freeborn, Steele, Waseca18 hr
Sep 5, 1:53 AM CDTRiver Flood WarningMPXGoodhue11 hr

Nearby

Areal Flood Warnings in Minnesota, 2018Every areal 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.