Flash Flood Warning 4, NWS Twin Cities, MN

Issued

May 27, 2012, 9:27 PM CDT (02:27 UTC)

Expired

May 28, 2012, 3:30 AM CDT

In force

6 hr

Issued by

NWS Twin Cities, MN

Area

Storm-based polygon

Flood severity

None

Counties Blue Earth County, MN, Brown County, MN, Hennepin County, MN, McLeod County, MN, Meeker County, MN, Nicollet County, MN, Renville County, MN, Sibley County, MN, Watonwan County, MN, Wright County, MN

The Minneapolis radar (KMPX), 64 km from the middle of the area, began a volume at 02:30 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.

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

519 
WGUS53 KMPX 280227
FFWMPX
MNC013-015-053-085-093-103-129-143-165-171-280830-
/O.NEW.KMPX.FF.W.0004.120528T0227Z-120528T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
927 PM CDT SUN MAY 27 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...
  EASTERN RENVILLE COUNTY IN CENTRAL MINNESOTA...
  MCLEOD COUNTY IN CENTRAL MINNESOTA...
  MEEKER COUNTY IN CENTRAL MINNESOTA...
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHWESTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  SIBLEY COUNTY IN CENTRAL MINNESOTA...
  WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA...
  WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 330 AM CDT MONDAY

* AT 923 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. ONE TO THREE INCHES OF RAIN HAS ALREADY OCCURRED      
  ACROSS PORTIONS OF THE WARNED AREA.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BUFFALO...GAYLORD...HUTCHINSON...LITCHFIELD...MANKATO...NEW ULM...
  ST JAMES...ST PETER...ALBERTVILLE...AMBOY...ANNANDALE...
  ARLINGTON...BISCAY...BROWNTON...BUFFALO LAKE...CEDAR MILLS...
  COKATO...COMFREY...CORVUSO...COSMOS...COURTLAND...DARFUR...
  DARWIN...DASSEL...DELANO...EAGLE LAKE...ENFIELD...EVAN...FAIRFAX
  AND GIBBON.
   
  SMALL CREEKS...STREAMS AND TRIBUTARIES FLOWING TO THE MINNESOTA    
  RIVER WIL LIKELY RISE QUICKLY BECAUSE OF SATURATED SOILS FROM      
  EARLIER HEAVY RAINS.  

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE ACROSS THE 
AREA THROUGH 6 AM MONDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

&&

LAT...LON 4385 9486 4410 9487 4411 9509 4428 9510
      4429 9487 4450 9487 4532 9461 4528 9427
      4532 9419 4530 9416 4541 9406 4525 9355
      4498 9379 4498 9402 4472 9402 4467 9383
      4456 9391 4424 9402 4422 9380 4386 9381

$$
DWE

643 
WGUS73 KMPX 280620
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
120 AM CDT MON MAY 28 2012

MNC013-015-053-085-093-103-129-143-165-171-280830-
/O.CON.KMPX.FF.W.0004.000000T0000Z-120528T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BROWN MN-HENNEPIN MN-MCLEOD MN-MEEKER MN-NICOLLET MN-RENVILLE MN-
SIBLEY MN-WATONWAN MN-WRIGHT MN-BLUE EARTH MN-
120 AM CDT MON MAY 28 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR BLUE EARTH...WRIGHT...
WATONWAN...SIBLEY...EASTERN RENVILLE...NICOLLET...MEEKER...MCLEOD...
NORTHWESTERN HENNEPIN AND BROWN COUNTIES UNTIL 330 AM CDT...

AT 100 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE MAIN AREA OF INTENSE THUNDERSTORMS WITH VERY HEAVY RAINFALL 
HAS MOVED NORTHEAST OF THE AREA. HOWEVER ANOTHER AREA OF RAIN WITH 
SOME MODERATE RAINFALL OF RAIN RATES UP TO A HALF AN INCH IN AN HOUR 
WILL MOVE ACROSS THIS AREA THROUGH THE EARLY MORNING HORUS. THIS 
COMBINED WITH THE BROAD AREA OF 1 TO 2.5 INCHES OF RAIN RECEIVED 
EARLIER THIS EVENING WILL CONTINUE TO AGGRAVATE FLOODING PROBLEMS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...BUFFALO...GAYLORD...HUTCHINSON...LITCHFIELD...MANKATO...NEW
ULM...ST JAMES...ALBERTVILLE...AMBOY... ANNANDALE...ARLINGTON... 
BISCAY...BROWNTON...BUFFALO LAKE...CEDAR MILLS...COKATO... 
COMFREY...CORVUSO... COSMOS...COURTLAND...DARFUR...DARWIN.. 
DASSEL...DELANO...EAGLE LAKE...ENFIELD...EVAN... FAIRFAX...GIBBON 
AND GLENCOE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...DO NOT ENTER THE 
WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT STAY IN 
AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES.

&&

LAT...LON 4385 9486 4410 9487 4411 9509 4428 9510
      4429 9487 4450 9487 4532 9461 4528 9427
      4532 9419 4530 9416 4541 9406 4525 9355
      4498 9379 4498 9402 4472 9402 4467 9383
      4456 9391 4424 9402 4422 9380 4386 9381

$$

DFC

Flash Flood Warnings in Minnesota, 2012Every flash flood warning in 2012

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.