Alert archive / Minnesota / Flash Flood Warnings in 2013

Flash Flood Warning 23, NWS Twin Cities, MN

July 13, 2013Goodhue County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 13, 2013, 9:02 AM CDT for Goodhue County, Minnesota. It was in force for 3 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 13, 2013, 9:02 AM CDT (14:02 UTC)
Expired
Jul 13, 2013, 12:00 PM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
None

County Goodhue County, MN

The radar

The Minneapolis radar (KMPX), 76 km from the middle of the area, began a volume at 14:00 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
Jul 13, 9:29 AM CDTHEAVY RAIN 1.9Kenyon, MNCUL-DE-SAC IN NNW PORTION OF TOWN UNDER 4 INCHES OF WATER.

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 2.0 hours before the alert went out and 78 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, Minneapolis, MN at 12:00Z on 2013-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Minneapolis, MN at 12:00Z on 2013-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
318 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

758 
WGUS53 KMPX 131402
FFWMPX
MNC049-131700-
/O.NEW.KMPX.FF.W.0023.130713T1402Z-130713T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
902 AM CDT SAT JUL 13 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN GOODHUE COUNTY IN SOUTHEAST MINNESOTA...

* UNTIL NOON CDT

* AT 859 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RADAR INDICATED UP TO 2 INCHES OF RAIN HAS FALLEN     
  ACROSS THE WARNED AREA SINCE 7 AM. AN ADDITIONAL TWO TO THREE OF   
  RAIN MAY OCCUR ACROSS THE WARNED AREA DURING THE REMAINDER OF THE  
  MORNING.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS
  OF SOUTHWESTERN GOODHUE COUNTY...INCLUDING THE TOWNS OF BOMBAY...
  DENNISON...KENYON...PINE ISLAND AND WANAMINGO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS... OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING
STREAM... EVEN A SMALL ONE...ON FOOT OR IN A VEHICLE.

&&

LAT...LON 4448 9304 4420 9255 4420 9304

$$

RAH
1 follow-up statement
393 
WGUS73 KMPX 131441
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
941 AM CDT SAT JUL 13 2013

MNC049-131700-
/O.CON.KMPX.FF.W.0023.000000T0000Z-130713T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GOODHUE MN-
941 AM CDT SAT JUL 13 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN GOODHUE
COUNTY UNTIL NOON CDT...

AT 936 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY 
HEAVY RAINFALL REMAINED ACROSS THE WARNED AREA. A TRAINED SPOTTER IN 
KENYON REPORTED NEARLY 2 INCHES OF RAIN SO FAR THIS MORNING. 
AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS LIKELY ACROSS THE WARNED AREA 
DURING THE REMAINDER OF THE MORNING. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF SOUTHWESTERN
GOODHUE COUNTY...INCLUDING THE TOWNS OF BOMBAY...DENNISON...KENYON...
PINE ISLAND AND WANAMINGO.

A CUL-DE-SAC NEAR KENYON WAS UNDER 4 INCHES OF WATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT OR IN A VEHICLE.

&&

LAT...LON 4448 9304 4420 9255 4420 9304

$$

RAH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 9:47 PM CDTSpecial Weather StatementMPXDouglas, Pope, Stevens73 min
Jul 12, 10:22 PM CDTSpecial Weather StatementMPXDouglas53 min
Jul 12, 10:55 PM CDTSpecial Weather StatementMPXDouglas, Todd50 min
Jul 13, 3:38 AM CDTSpecial Weather StatementMPXAnoka, Carver, Chisago, Dakota, Hennepin, Isanti and 4 more52 min
Jul 13, 4:22 AM CDTAreal Flood AdvisoryMPXAnoka, Carver, Dakota, Hennepin, Isanti, Ramsey and 2 more4 hr
Jul 13, 6:35 AM CDTFlash Flood WarningMPXDakota, Hennepin, Rice, Scott4 hr
Jul 13, 8:08 AM CDTFlash Flood WarningMPXRice6 hr
Jul 13, 8:33 AM CDTFlash Flood WarningMPXFaribault, Freeborn, Steele, Waseca3 hr
Jul 13, 10:32 AM CDTFlash Flood WarningMPXDakota, Rice, Scott3 hr
Jul 13, 1:28 PM CDTFlash Flood WarningMPXDakota, Rice, Scott12 hr
Jul 13, 1:55 PM CDTAreal Flood WarningMPXBlue Earth, Dakota, Faribault, Freeborn, Goodhue, Le Sueur and 4 more6 hr

Nearby

Flash Flood Warnings in Minnesota, 2013Every flash flood warning in 2013

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.