Alert archive / Minnesota / Flash Flood Warnings in 2005

Flash Flood Warning 7, NWS Twin Cities, MN

June 20, 20055 counties in Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 20, 2005, 3:11 PM CDT for 5 counties in Minnesota. It was in force for 3 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
Jun 20, 2005, 3:11 PM CDT (20:11 UTC)
Expired
Jun 20, 2005, 6:15 PM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Blue Earth County, MN, Goodhue County, MN, Le Sueur County, MN, Nicollet County, MN, Rice County, MN

The radar

The Minneapolis radar (KMPX), 59 km from the middle of the area, began a volume at 20:12 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
Jun 20, 3:41 PM CDTFLASH FLOOD7 W Northfield, MNFLOODING OCCURRED OVER ROADWAY NEAR INTERSECTION OF I-35 AND HWY 19.

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, 8.2 hours before the alert went out and 59 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 2005-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 joules per kilogram.LCLLFCEL10008507005003002001001 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 2005-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.1939Sfc1 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
93 J/kg
Mixed-layer CIN
-433 J/kg
Mixed-layer LCL
1305 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
156 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.

000 
WGUS53 KMPX 202015
FFWMPX
MNC013-049-079-103-131-202315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
311 PM CDT MON JUN 20 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GOODHUE COUNTY IN SOUTHEAST MINNESOTA
  LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA
  RICE COUNTY IN SOUTH CENTRAL MINNESOTA
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA
  BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 615 PM CDT

* AT 311 PM CDT...RADAR DETECTED A LINE OF THUNDERSTORMS PRODUCING 
VERY HEAVY RAIN ACROSS GOODHUE...LE SUEUR...RICE...NICOLLET...AND 
BLUE EARTH COUNTIES. THIS LINE OF STORMS IS MOVING SOUTH SOUTHEAST 
AROUND 20 MPH. RAINFALL RATES OF UP TO 2 INCHES PER HOUR ARE 
POSSIBLE WITH THESE THUNDERSTORMS. THIS AMOUNT OF RAINFALL IS 
CAPABLE OF FLOODING ROADS AND CAUSING CREEKS AND STREAMS TO OVERFLOW 
THEIR BANKS. 

TRAINED SPOTTERS REPORTED WATER RUSHING ACROSS A ROAD 10 MILES WEST 
OF NORTHFIELD IN RICE COUNTY AT 310 PM.   

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CLEVELAND...
  COURTLAND...DENNISON...DUNDAS...FARIBAULT...GOODHUE AND KASOTA.

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS.

LAT...LON 4405 9430 4421 9384 4424 9259 4457 9256
      4445 9312 4448 9345 4449 9387 4435 9439

$$

MKM
2 follow-up statements
000 
WGUS73 KMPX 202059
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
352 PM CDT MON JUN 20 2005

MNC013-049-079-103-131-202315-
GOODHUE MN-LE SUEUR MN-RICE MN-NICOLLET MN-BLUE EARTH MN-
352 PM CDT MON JUN 20 2005

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR BLUE
EARTH...NICOLLET...RICE...LE SUEUR AND GOODHUE COUNTIES...

AT 352 PM CDT...A WEATHER SPOTTER REPORTED WATER OVER THE ROAD 
ALONG INTERSTATE 35 AT HIGHWAY 19 ABOUT 7 MILES WEST OF NORTHFIELD 
IN RICE COUNTY. RADAR ESTIMATED THAT UP TO 1.5 INCHES OF RAIN HAS 
FALLEN DURING THE PAST HOUR OVER THE WARNED AREA. THIS AMOUNT OF 
RAINFALL COULD CAUSE ADDITIONAL ROADS TO FLOOD. DELAY YOUR TRAVEL 
PLANS UNTIL THE HEAVY RAIN HAS COME TO AN END. IN ADDITION...CREEKS 
AND STREAMS COULD OVERFLOW THEIR BANKS. 

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...FARIBAULT...LE
CENTER...MANKATO...NORTHFIELD AND ST PETER.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS. MOVE TO HIGHER GROUND.

LAT...LON 4405 9430 4421 9384 4424 9259 4457 9256
      4445 9312 4448 9345 4449 9387 4435 9439

$$

MKM
000 
WGUS73 KMPX 202256
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
549 PM CDT MON JUN 20 2005

MNC013-049-079-103-131-202315-
GOODHUE MN-LE SUEUR MN-RICE MN-NICOLLET MN-BLUE EARTH MN-
549 PM CDT MON JUN 20 2005

...A FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 615 PM CDT FOR 
BLUE EARTH...NICOLLET...RICE...LE SUEUR AND GOODHUE COUNTIES...

THE HEAVIEST RAINFALL HAS MOVED SOUTH OF THE MINNESOTA BORDER AND 
ONLY SCATTERED THUNDERSTORMS WITH BRIEF HEAVY RAINFALL WILL BE 
POSSIBLE THROUGH THE REMAINDER OF THE EVENING. THEREFORE THE FLASH 
FLOOD WARNING FOR BLUE EARTH...NICOLLET...RICE...LE SUEUR AND 
GOODHUE COUNTIES WILL BE ALLOWED TO EXPIRE AT 615 PM. 

IN BLUE EARTH COUNTY A SPOTTER IN AMBOY REPORTED 1.88 INCHES OF 
RAINFALL BETWEEN 345 PM AND 445 PM. IN RICE COUNTY THE UNDERPASS 
WHERE HIGHWAY 19 PASSES UNDER INTERSTATE 35 WAS FLOODED AT 352 PM. 
THE FLOODWATERS HAVE NOW RECEDED.  

LAT...LON 4405 9430 4421 9384 4424 9259 4457 9256
      4445 9312 4448 9345 4449 9387 4435 9439

$$

MKM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 6:28 AM CDTSevere Thunderstorm WarningMPXBenton62 min
Jun 20, 6:41 AM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs65 min
Jun 20, 10:15 AM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stevens60 min
Jun 20, 10:39 AM CDTSevere Thunderstorm WarningMPXTodd66 min
Jun 20, 11:11 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Pope, Stearns, Swift64 min
Jun 20, 11:28 AM CDTSevere Thunderstorm WarningMPXMorrison62 min
Jun 20, 11:33 AM CDTSevere Thunderstorm WarningMPXChippewa57 min
Jun 20, 11:57 AM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs, Sherburne63 min
Jun 20, 12:11 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker, Stearns71 min
Jun 20, 12:27 PM CDTSevere Thunderstorm WarningMPXHennepin, Wright63 min
Jun 20, 12:49 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti, Kanabec56 min
Jun 20, 12:56 PM CDTSevere Thunderstorm WarningMPXMcLeod, Renville, Sibley64 min
Jun 20, 1:11 PM CDTSevere Thunderstorm WarningMPXRedwood, Yellow Medicine64 min
Jun 20, 1:29 PM CDTFlash Flood WarningMPXAnoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more3 hr
Jun 20, 1:29 PM CDTSevere Thunderstorm WarningMPXAnoka, Carver, Chisago, Dakota, Hennepin, Ramsey and 3 more61 min
Jun 20, 1:55 PM CDTSevere Thunderstorm WarningMPXNicollet, Renville, Sibley65 min
Jun 20, 2:09 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood51 min
Jun 20, 2:29 PM CDTSevere Thunderstorm WarningMPXGoodhue, Le Sueur, Rice61 min
Jun 20, 3:01 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Waseca, Watonwan59 min
Jun 20, 3:56 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn, Martin64 min
Jun 20, 4:51 PM CDTSevere Thunderstorm WarningMPXMcLeod39 min
Jun 20, 4:58 PM CDTSevere Thunderstorm WarningMPXMartin21 min

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.