Alert archive / Minnesota / Flash Flood Warnings in 2005

Flash Flood Warning 6, NWS Twin Cities, MN

June 20, 20057 counties in Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 20, 2005, 1:29 PM CDT for 7 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
Jun 20, 2005, 1:29 PM CDT (18:29 UTC)
Expired
Jun 20, 2005, 4:30 PM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Anoka County, MN, Carver County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 22 km from the middle of the area, began a volume at 18:29 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, 2:15 PM CDTFLASH FLOODRobbinsdale, MNCAR STALLED IN FLOODED ROAD. CO RD 81 AND 40TH ST.
Jun 20, 2:21 PM CDTFLASH FLOODLittle Canada, MNCOUNTY ROAD C AT 35E IMPASSABLE.
Jun 20, 2:21 PM CDTFLASH FLOODMinneapolis, MN50TH AVENUE AND EMMERSON FLOODED CURB DEEP.
Jun 20, 2:21 PM CDTFLASH FLOODSt Paul, MN8 TENTHS OF AN INCH OF RAIN FELL IN 15 MINUTES AT I94 AND MCKNIGHT ROAD.

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, 6.5 hours before the alert went out and 24 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 201831
FFWMPX
MNC003-019-037-053-123-139-163-202130-

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ANOKA COUNTY IN EAST CENTRAL MINNESOTA
  WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA
  RAMSEY COUNTY IN EAST CENTRAL MINNESOTA
  CARVER COUNTY IN EAST CENTRAL MINNESOTA
  DAKOTA COUNTY IN EAST CENTRAL MINNESOTA
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 430 PM CDT

* AT 129 PM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY        
  HEAVY RAIN MOVING SOUTHEAST THROUGH THE TWIN CITIES METRO AREA.    
  DOPPPER RADAR ESTIMATED RAINFALL RATES UP TO 2 INCHES PER HOUR AND 
  THIS AMOUNT OF RAIN WILL CAUSE WATER TO FLOOD SMALL STREAMS AND    
  CREEKS...AND COVER ROADWAYS EXPECIALLY IN LOW LYING AND POOR       
  DRAINAGE AREAS. MOTORISTS THROUGH THE RUSH HOUR WILL HAVE TO DEAL  
  WITH FLOODED ROADWAYS. 
 

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ANDOVER...ANOKA...
  APPLE VALLEY...ARDEN HILLS...BLAINE...BLOOMINGTON AND BROOKLYN
  CENTER.

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 4473 9387 4464 9285 4515 9290 4537 9309
      4533 9339 4504 9371

$$

MKM
2 follow-up statements
000 
WGUS73 KMPX 201927
FFSMPX

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

MNC003-019-037-053-123-139-163-202130-
ANOKA MN-WASHINGTON MN-HENNEPIN MN-RAMSEY MN-CARVER MN-DAKOTA MN-
SCOTT MN-
221 PM CDT MON JUN 20 2005

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
SCOTT...DAKOTA...CARVER...RAMSEY...HENNEPIN...WASHINGTON AND ANOKA
COUNTIES...

AT 221 PM CDT...HAM RADIO OPERATORS REPORTED FLOODING IN PORTIONS OF 
THE THE TWIN CITIES METROPOLITAN AREA. WATER WAS RUNNING OVER COUNTY 
ROAD C AND IS IMPASSABLE IN SEVERAL LOCATIONS NEAR INTERSTATE 35E. 
THIS LOCATION IS IN LITTLE CANADA IN RAMSEY COUNTY. ALSO THE 
INTERSECTION OF 50TH AVENUE AND EMMERSON IN MINNEAPOLIS WAS FLOODED 
WITH CURB DEEP WATER. A SPOTTER AT THE INTERSECTION OF INTERSTATE 94 
AND MCNIGHT ROAD IN EASTERN ST PAUL REPORTED THAT EIGHT TENTHS OF AN 
INCH OF RAIN FELL IN ONLY 15 MINUTES. 

FLOODING WILL CONTINUE TO BE THREAT ACROSS THE METROPOLITAN AREA 
THROUGH THE START OF THE RUSH HOUR. DELAY YOUR TRAVEL UNTIL THE 
HEAVY RAIN COMES TO AN END AND WATERS SUBSIDE FROM ROADWAYS. 

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 4473 9387 4464 9285 4515 9290 4537 9309
      4533 9339 4504 9371

$$

MKM
000 
WGUS73 KMPX 202130
FFSMPX

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

MNC003-019-037-053-123-139-163-202140-
ANOKA MN-WASHINGTON MN-HENNEPIN MN-RAMSEY MN-CARVER MN-DAKOTA MN-
SCOTT MN-
430 PM CDT MON JUN 20 2005

...THE FLASH FLOOD WARNING FOR SCOTT...DAKOTA...CARVER...RAMSEY...
HENNEPIN...WASHINGTON AND ANOKA COUNTIES HAS EXPIRED...

WATER LEVELS HAVE RECEDED IN THE WARNED AREA. THEREFORE...THE FLASH 
FLOOD WARNING FOR SCOTT...DAKOTA...CARVER...RAMSEY...HENNEPIN... 
WASHINGTON AND ANOKA COUNTIES HAS BEEN ALLOWED TO EXPIRE AT 430 PM.

LAT...LON 4473 9387 4464 9285 4515 9290 4537 9309
      4533 9339 4504 9371

$$

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 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, 3:11 PM CDTFlash Flood WarningMPXBlue Earth, Goodhue, Le Sueur, Nicollet, Rice3 hr
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.