Alert archive / Minnesota / Flash Flood Warnings in 2005

Flash Flood Warning 48, NWS Twin Cities, MN

October 4, 20058 counties in Minnesota

NWS Twin Cities, MN issued this flash flood warning at Oct 4, 2005, 8:18 PM CDT for 8 counties in Minnesota. It was in force for 4 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
Oct 4, 2005, 8:18 PM CDT (01:18 UTC)
Expired
Oct 5, 2005, 12:30 AM CDT
In force
4 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Blue Earth County, MN, Brown County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Redwood County, MN, Renville County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 111 km from the middle of the area, began a volume at 01:21 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
Oct 4, 8:40 PM CDTFLASH FLOODSt James, MN2 FEET OF WATER ON SEVERAL ROADS.

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 00:00Z, 1.3 hours before the alert went out and 109 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 00:00Z on 2005-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 938 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2005-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 264 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
938 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
264 m²/s²
0-3 km storm-relative helicity
429 m²/s²
Significant tornado parameter
0.0
Supercell composite
13.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 050121
FFWMPX
MNC013-015-079-091-103-127-129-165-050530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
818 PM CDT TUE OCT 4 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RENVILLE COUNTY IN CENTRAL MINNESOTA
  REDWOOD COUNTY IN SOUTHWEST MINNESOTA
  LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA
  BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA
  WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA
  MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 1230 AM CDT

* AT 818 PM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY  
  RAIN ACROSS MUCH OF THE WARNED AREA. RAINFALL RATES ARE EXPECTED   
  TO REACH 2 INCHES AN HOUR.  

  EXPECT SLOW MOVING THUNDERSTORMS TO PRODUCE TORRENTIAL RAINFALL IN 
  THE WARNED AREA THROUGH MIDNIGHT.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...AMBOY...BIRD
  ISLAND...BUTTERFIELD...CLEMENTS...CLEVELAND...COBDEN AND COURTLAND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

LAT...LON 4353 9478 4353 9430 4385 9425 4389 9378
      4425 9375 4444 9357 4446 9475 4488 9463
      4488 9526 4456 9535 4425 9555 4413 9483

$$
1 follow-up statement
000 
WGUS73 KMPX 050402
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1058 PM CDT TUE OCT 4 2005

MNC013-015-079-091-103-165-050408-
LE SUEUR MN-BROWN MN-NICOLLET MN-BLUE EARTH MN-WATONWAN MN-MARTIN MN-
1058 PM CDT TUE OCT 4 2005

...THE FLASH FLOOD WARNING FOR MARTIN...WATONWAN...BLUE EARTH...
NICOLLET...BROWN AND LE SUEUR COUNTIES HAS BEEN CANCELLED...

HEAVY RAINFALL HAS MOVED OUT OF THE AREA AND NO FURTHER FLOOD 
PRODUCING RAINS ARE EXPECTED.

LAT...LON 4456 9534 4488 9526 4487 9463 4487 9463
      4446 9474 4446 9464 4446 9479 4449 9488
      4429 9488 4428 9510 4420 9513 4420 9523
      4426 9554

$$

MNC127-129-050530-
RENVILLE MN-REDWOOD MN-
1058 PM CDT TUE OCT 4 2005

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
REDWOOD AND RENVILLE COUNTIES...

AT 1058 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED
THUNDERSTORMS PRODUCING VERY HEAVY RAIN 9 MILES SOUTHWEST OF REDWOOD 
FALLS AND MOVING NORTHEAST AT 25 MPH. THIS AREA OF STORMS MAY STILL 
PRODUCE LOCALIZED FLOODING...BUT IT APPEARS THAT THE FLOOD THREAT 
WILL END AFTER 1230 AM.  

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...OLIVIA AND REDWOOD 
FALLS.

LAT...LON 4456 9534 4488 9526 4487 9463 4487 9463
      4446 9474 4446 9464 4446 9479 4449 9488
      4429 9488 4428 9510 4420 9513 4420 9523
      4426 9554

$$
JPR

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 7:26 PM CDTFlash Flood WarningMPXAnoka, Carver, Dakota, Hennepin, McLeod, Ramsey and 3 more5 hr

Nearby

Flash Flood Warnings in Minnesota, 2005Every flash flood warning in 2005

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.