Alert archive / Minnesota / Flash Flood Warnings in 2013

Flash Flood Warning 22, NWS Twin Cities, MN

July 13, 20134 counties in Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 13, 2013, 8:33 AM CDT for 4 counties in Minnesota. It was in force for 3 hr. 4 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, 8:33 AM CDT (13:33 UTC)
Expired: Jul 13, 2013, 11:30 AM CDT
In force: 3 hr
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Flood severity: None

Counties Faribault County, MN, Freeborn County, MN, Steele County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 112 km from the middle of the area, began a volume at 13:32 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

Time	Report	Where	Remark
Jul 13, 9:30 AM CDT	HEAVY RAIN 2.6	Waseca, MN	WATER OVER CURBS NEAR INTERSECTION OF 7TH AVENUE AND 2ND STREET.
Jul 13, 10:00 AM CDT	HEAVY RAIN 2.5	Minnesota Lake, MN	FIRE DEPT PUMPED WATER OUT OF INTERSECTION OF LAKE STREET AND HIGHWAY 22. TWO TO THREE INCHES OF WATER WERE NOTED OVER THIS INTERSECTION.
Jul 13, 10:00 AM CDT	HEAVY RAIN 2.92	Owatonna, MN
Jul 13, 11:13 AM CDT	HEAVY RAIN 3.6	Glenville, MN

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, 1.6 hours before the alert went out and 112 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

424 
WGUS53 KMPX 131333
FFWMPX
MNC043-047-147-161-131630-
/O.NEW.KMPX.FF.W.0022.130713T1333Z-130713T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...
  FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...
  STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...
  WASECA COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 1130 AM CDT

* AT 831 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. ONE 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...
  ALBERT LEA...BLUE EARTH...HAYWARD...OWATONNA AND WASECA.

LAW ENFORCEMENT REPORTED FLOODING OF ROADS IN WELLS.

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 4385 9423 4385 9377 4419 9376 4419 9305
      4351 9305 4351 9425

$$

RAH

1 follow-up statement

968 
WGUS73 KMPX 131515
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1015 AM CDT SAT JUL 13 2013

MNC043-047-147-161-131630-
/O.CON.KMPX.FF.W.0022.000000T0000Z-130713T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FARIBAULT MN-FREEBORN MN-STEELE MN-WASECA MN-
1015 AM CDT SAT JUL 13 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WASECA...STEELE...
FREEBORN AND EASTERN FARIBAULT COUNTIES UNTIL 1130 AM CDT...

AT 1014 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
VERY HEAVY RAINFALL CONTINUED ACROSS MUCH OF THE WARNED 
AREA...ESPECIALLY ACROSS SOUTHERN STEELE COUNTY AND ALL OF FREEBORN 
COUNTY. DOPPLER RADAR INDICATED THAT 2 TO 4 INCHES OF RAIN HAS 
FALLEN SO FAR THIS MORNING ACROSS MUCH OF THE WARNED AREA. AN 
ADDITIONAL INCH OR TWO OF RAIN IS LIKELY FOR THE REMAINDER OF THE 
MORNING. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...ALBERT
LEA...HAYWARD...OWATONNA AND WASECA.

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 4370 9383 4385 9377 4419 9376 4419 9305
      4351 9305 4351 9391

$$

RAH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 9:47 PM CDT	Special Weather Statement	MPX	Douglas, Pope, Stevens	73 min
Jul 12, 10:22 PM CDT	Special Weather Statement	MPX	Douglas	53 min
Jul 12, 10:55 PM CDT	Special Weather Statement	MPX	Douglas, Todd	50 min
Jul 13, 3:38 AM CDT	Special Weather Statement	MPX	Anoka, Carver, Chisago, Dakota, Hennepin, Isanti and 4 more	52 min
Jul 13, 4:22 AM CDT	Areal Flood Advisory	MPX	Anoka, Carver, Dakota, Hennepin, Isanti, Ramsey and 2 more	4 hr
Jul 13, 6:35 AM CDT	Flash Flood Warning	MPX	Dakota, Hennepin, Rice, Scott	4 hr
Jul 13, 8:08 AM CDT	Flash Flood Warning	MPX	Rice	6 hr
Jul 13, 9:02 AM CDT	Flash Flood Warning	MPX	Goodhue	3 hr
Jul 13, 10:32 AM CDT	Flash Flood Warning	MPX	Dakota, Rice, Scott	3 hr
Jul 13, 1:28 PM CDT	Flash Flood Warning	MPX	Dakota, Rice, Scott	12 hr
Jul 13, 1:55 PM CDT	Areal Flood Warning	MPX	Blue Earth, Dakota, Faribault, Freeborn, Goodhue, Le Sueur and 4 more	6 hr

Nearby

Flash Flood Warnings in Minnesota, 2013 Every 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.