Alert archive / Minnesota / Flash Flood Warnings in 2013

Flash Flood Warning 24, NWS Twin Cities, MN

July 13, 2013Dakota County, Rice County, Scott County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 13, 2013, 10:32 AM CDT for Dakota County, Rice County, Scott County, Minnesota. It was in force for 3 hr. 5 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, 10:32 AM CDT (15:32 UTC)
Expired
Jul 13, 2013, 1:30 PM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
None

Counties Dakota County, MN, Rice County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 39 km from the middle of the area, began a volume at 15:35 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, 11:34 AM CDTHEAVY RAIN 3.83 Wsw Marystown, MN
Jul 13, 12:19 PM CDTHEAVY RAIN 3.83 Wsw Marystown, MN
Jul 13, 12:33 PM CDTHEAVY RAIN 3.3Lakeville, MN
Jul 13, 12:51 PM CDTHEAVY RAIN 8.37 N New Market, MNOCCURRED IN NEW MARKET TOWNSHIP.
Jul 13, 1:30 PM CDTFLOODDundas, MNWATER FROM THE CANNON RIVER WITHIN 15 FT OF RESIDENCES ALONG THE RIVER.

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, 3.5 hours before the alert went out and 40 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.

693 
WGUS53 KMPX 131532
FFWMPX
MNC037-131-139-131830-
/O.NEW.KMPX.FF.W.0024.130713T1532Z-130713T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1032 AM CDT SAT JUL 13 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  WESTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  WESTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 130 PM CDT

* AT 1027 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH    
  FLOODING ACROSS THE WARNED AREA. DOPPLER RADAR INDICATED FROM 3 TO 
  7 INCHES OF RAIN HAS FALLEN THIS MORNING. RUNOFF FROM THIS         
  RAINFALL WILL CAUSE FLASH FLOODING INTO EARLY THIS AFTERNOON.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
BURNSVILLE...FARIBAULT...LAKEVILLE...WEBSTER...AND NEW MARKET.

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 4422 9352 4453 9352 4473 9361 4480 9357
      4478 9314 4425 9323

$$

RAH
1 follow-up statement
073 
WGUS73 KMPX 131833
FFSMPX

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

MNC037-131-139-131844-
/O.EXP.KMPX.FF.W.0024.000000T0000Z-130713T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAKOTA MN-RICE MN-SCOTT MN-
133 PM CDT SAT JUL 13 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EASTERN SCOTT...
WESTERN RICE AND WESTERN DAKOTA COUNTIES WILL BE ALLOWED TO EXPIRE AT
130 PM CDT...

CONDITIONS HAVE IMPROVED IN WESTERN RICE...NORTHWEST DAKOTA AND 
PORTIONS OF SCOTT COUNTY SO THE FLASH FLOOD WARNING WILL BE ALLOWED 
TO EXPIRE. HOWEVER...STANDING AND PONDING OF WATER CONTINUES...BUT 
NOT FAST FLOWING WATER TO CONTINUE THE FLASH FLOOD WARNING. 

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.

LAT...LON 4422 9352 4453 9352 4473 9361 4480 9357
      4478 9314 4425 9323

$$

JLT

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, 9:02 AM CDTFlash Flood WarningMPXGoodhue3 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.