Alert archive / Minnesota / Flash Flood Warnings in 2013

Flash Flood Warning 21, NWS Twin Cities, MN

July 13, 2013Rice County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 13, 2013, 8:08 AM CDT for Rice County, Minnesota. It was in force for 6 hr. 11 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 13, 2013, 8:08 AM CDT (13:08 UTC)
Expired
Jul 13, 2013, 2:00 PM CDT
In force
6 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
None

County Rice County, MN

The radar

The Minneapolis radar (KMPX), 64 km from the middle of the area, began a volume at 13:09 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, 8:40 AM CDTHEAVY RAIN 4.75Northfield, MN
Jul 13, 8:45 AM CDTFLASH FLOODNorthfield, MNSTREET FLOODING IN TOWN
Jul 13, 8:45 AM CDTHEAVY RAIN 4Northfield, MN
Jul 13, 9:07 AM CDTHEAVY RAIN 3.9Nerstrand, MN
Jul 13, 9:09 AM CDTFLASH FLOODNorthfield, MNSIX TO TWELVE INCHES OF WATER OVER HIGHWAY 3...NEAR INTERSECTION OF HIGHWAY 3 AND HONEY LOCUST DRIVE. APPROXIMATELY 200 YARDS OF ROADWAY AFFECTED.
Jul 13, 9:20 AM CDTFLASH FLOODNorthfield, MNSEVERAL INCHES OF WATER OVER JEFFERSON PARKWAY. FLOODED ROADWAYS NOTED OVER SEVERAL LOCATIONS IN CITY.
Jul 13, 9:48 AM CDTHEAVY RAIN 4.8Nerstrand, MNSEVERAL INCHES OF WATER OVER COUNTRY ROAD 246 ON EAST SIDE OF CITY.
Jul 13, 10:27 AM CDTFLASH FLOOD2 S Dundas, MNAPPROXIMATELY ONE FOOT OF WATER OVER ROAD AT INTERSECTION OF DUNDAS BLVD AND 130TH STREET.
Jul 13, 11:34 AM CDTHEAVY RAIN 5.05Northfield, MNCANON RIVER PARTIALLY FLOODING SMALL PORTION OF AMES PARK NEAR INTERSECTION OF WATER STREET AND HIGHWAY 19.
Jul 13, 1:00 PM CDTFLASH FLOODNorthfield, MNPARKING LOT AT NORTHFIED JUST DOWNSTREAM OF CR 2 BRIDGE WHERE THE RIVER GAGUE IS MOUNTED ARE FLOODED.
Jul 13, 1:30 PM CDTFLASH FLOODNorthfield, MNCANNON RIVER HITTING BASE OF WALKING BRIDGE AND GOING AROUND OVER THE ACCESS PATHS.

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, 1.1 hours before the alert went out and 66 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°0°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.

499 
WGUS53 KMPX 131308
FFWMPX
MNC131-131600-
/O.NEW.KMPX.FF.W.0021.130713T1308Z-130713T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 1100 AM CDT

* AT 805 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. TWO TO THREE INCHES OF RAIN HAVE FALLEN IN THE PAST   
  COUPLE OF HOURS.
 
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...     
  NORTHFIELD...NERSTRAND...AND PRAIRIEVILLE.

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 4447 9303 4420 9304 4420 9352 4422 9352
      4425 9323 4447 9319

$$

RAH
2 follow-up statements
130 
WGUS73 KMPX 131450
FFSMPX

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

MNC131-131600-
/O.CON.KMPX.FF.W.0021.000000T0000Z-130713T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RICE MN-
950 AM CDT SAT JUL 13 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN AND FAR 
SOUTHERN RICE COUNTY UNTIL 1100 AM CDT...

AT 944 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE BEGINNING TO DIMINISH 
ACROSS THE WARNED AREA. DOPPLER RADAR INDICATED FROM 4 TO 8 INCHES 
OF RAIN HAS FALLEN SO FAR THIS MORNING OVER ABOUT THE EASTERN HALF 
OF RICE COUNTY.  

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...NORTHFIELD...NERSTRAND...AND RUSKIN.

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 4447 9303 4420 9304 4420 9352 4422 9352
      4425 9323 4447 9319

$$

RAH
050 
WGUS53 KMPX 131536
FFWMPX
MNC131-131900-
/O.EXT.KMPX.FF.W.0021.000000T0000Z-130713T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1036 AM CDT SAT JUL 13 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 200 PM CDT

* AT 1033 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH    
  FLOODING ACROSS THE WARNED AREA. DOPPLER RADAR INDICATED FROM 4 TO 
  8 INCHES OF RAIN FELL ACROSS THE WARNED AREA THIS MORNING. RUNOFF  
  FROM THIS RAINFALL WILL CAUSE FLASH FLOODING INTO EARLY THIS       
  AFTERNOON. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...NORTHFIELD...NERSTRAND...AND RUSKIN.

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 4447 9303 4420 9304 4420 9352 4422 9352
      4425 9323 4447 9319

$$

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, 8:33 AM CDTFlash Flood WarningMPXFaribault, Freeborn, Steele, Waseca3 hr
Jul 13, 9:02 AM CDTFlash Flood WarningMPXGoodhue3 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.