Alert archive / Minnesota / Flash Flood Warnings in 2006

Flash Flood Warning 9, NWS Twin Cities, MN

June 16, 2006Blue Earth County, Le Sueur County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 16, 2006, 7:20 PM CDT for Blue Earth County, Le Sueur County, Nicollet County, Minnesota. It was in force for 6 hr. 3 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 16, 2006, 7:20 PM CDT (00:20 UTC)
Expired
Jun 17, 2006, 1:15 AM CDT
In force
6 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

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

The radar

The Minneapolis radar (KMPX), 93 km from the middle of the area, began a volume at 00:24 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 16, 8:00 PM CDTFLASH FLOODSt Peter, MNSTREET FLOODING ON SOUTH SIDE OF TOWN BETWEEN STATE HWY 159 AND THE MINNESOTA RIVER.
Jun 16, 8:30 PM CDTFLASH FLOODLe Sueur, MN6 INCH WATER ON ROADS. GRAVEL WASHED OUT OF PARKING LOTS.
Jun 16, 8:48 PM CDTFLASH FLOODEagle Lake, MNSTREETS FLOODED IN TOWN. ON AT LEAST ONE STREET WATER WAS UP TO DOOR ON POLICE CAR. IN NORTHWEST CORNER OF BLUE EARTH COUNTY 3 TO 6 INCHES OF WATER SPILLING ONTO ROADS FROM FLOODED DITCHES.

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, 0.3 hours before the alert went out and 91 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 2006-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 576 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 00:00Z on 2006-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 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
576 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
946 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 170020
FFWMPX
MNC013-079-103-170615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
720 PM CDT FRI JUN 16 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 115 AM CDT SATURDAY

* AT 713 PM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY
  HEAVY RAIN ACROSS MUCH OF THE WARNED AREA. SEVERAL STORMS HAD
  ALREADY MOVED ACROSS THE MANKATO AREA...AND MORE STORMS WILL
  CONTINUE UNTIL 10 OR 11 PM.  SEVERAL INCHES OF RAIN ARE POSSIBLE
  AS THE INCOMING STORMS MOVE ACROSS THE AREA...AND THE WATERS
  MAY NOT GO DOWN UNTIL 115 AM.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...MANKATO... 
  NORTH MANKATO... ST PETER... AMBOY... CLEVELAND... EAGLE 
  LAKE... GOOD THUNDER...KASOTA...LAKE CRYSTAL AND LE CENTER.

WATCH OUT FOR MUD SLIDES AROUND THE HILLS OF MANKATO AND
NORTH MANKATO.  ALSO WATCH OUT FOR HIGH WATER ACROSS ROADS.

AS NIGHT FALLS...BE ESPECIALLY CAUTIOUS...AS IT IS HARDER TO 
RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED ACT 
QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY 
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 4388 9436 4387 9382 4450 9368 4443 9432

$$

TDK
2 follow-up statements
000 
WGUS73 KMPX 170228
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
924 PM CDT FRI JUN 16 2006

MNC013-079-103-170615-
LE SUEUR MN-NICOLLET MN-BLUE EARTH MN-
924 PM CDT FRI JUN 16 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM CDT FOR BLUE 
EARTH...NICOLLET AND LE SUEUR COUNTIES..

AT 848 PM...LAW ENFORCEMENT REPORTED FLOODED STREETS IN THE TOWN OF 
EAGLE LAKE IN BLUE EARTH COUNTY...IN ADDITION TO FLOODED DITCHES.

AT 924 PM CDT...THE HEAVIEST RAIN HAD MOVED TO THE NORTHEAST OF BLUE 
EARTH...NICOLLET AND LE SUEUR COUNTIES...ALTHOUGH ADDITIONAL 
THUNDERSTORMS NEAR THE IOWA BORDER WERE APPROACHING THE AREA. 3 TO 4 
INCHES OF RAIN HAS BEEN REPORTED IN LOCATIONS ACROSS THE WARNED 
AREA...AND THE ADDITIONAL THUNDERSTORMS COULD RESULT IN AN 
ADDITIONAL 1 TO 2 INCHES OF RAINFALL. THE ADDITIONAL RAINFALL WILL 
WORSEN THE FLOODING ACROSS THE WARNED AREA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

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 4388 9436 4387 9382 4450 9368 4443 9432

$$

KAT
000 
WGUS73 KMPX 170619
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
115 AM CDT SAT JUN 17 2006

MNC013-079-103-170645-
LE SUEUR MN-NICOLLET MN-BLUE EARTH MN-
115 AM CDT SAT JUN 17 2006

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR BLUE 
EARTH...NICOLLET AND LE SUEUR COUNTIES...HAS BEEN ALLOWED TO EXPIRE.

AT 110 AM...LAW ENFORCEMENT FROM SEVERAL COUNTIES IN SOUTH CENTRAL 
MINNESOTA REPORTED THAT FLASH FLOODING WHICH HAD BEGAN FRIDAY 
EVENING HAD SINCE SUBSIDED. REMAIN CAUTIOUS FOR POTENTIAL WATER 
STILL STANDING OVER LOW LYING ROADWAYS...NAMELY IN RURAL AREAS AND 
NEAR CREEKS AND STREAMS.

IF YOU DO ENCOUNTER WATER...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 4388 9436 4387 9382 4450 9368 4443 9432

$$

MTF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 7:09 PM CDTSevere Thunderstorm WarningMPXMille Lacs24 min
Jun 16, 7:55 PM CDTFlash Flood WarningMPXAnoka, Hennepin, Ramsey6 hr
Jun 16, 8:20 PM CDTFlash Flood WarningMPXScott5 hr

Nearby

Flash Flood Warnings in Minnesota, 2006Every flash flood warning in 2006

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.