Alert archive / Minnesota / Flash Flood Warnings in 2006

Flash Flood Warning 11, NWS Twin Cities, MN

June 16, 2006Scott County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 16, 2006, 8:20 PM CDT for Scott County, Minnesota. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 16, 2006, 8:20 PM CDT (01:20 UTC)
Expired
Jun 17, 2006, 1:45 AM CDT
In force
5 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Scott County, MN

The radar

The Minneapolis radar (KMPX), 23 km from the middle of the area, began a volume at 01:23 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.3 hours before the alert went out and 23 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 170122
FFWMPX
MNC139-170645-

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 145 AM CDT

* AT 819 PM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY
  RAIN ACROSS MUCH OF THE WARNED AREA. SOME STORMS HAD ALREADY MOVED
  ACROSS THE SOUTHWESTERN METRO...INCLUDING SHAKOPEE AND JORDAN...
  AND MORE STORMS TO THE SOUTHWEST WILL CONTINUE MOVING OVER SCOTT
  COUNTY THROUGH 10 OR 11 PM.  SEVERAL INCHES OF RAIN ARE POSSIBLE
  FROM THE INCOMING STORMS... AND THE WATERS MAY NOT GO DOWN UNTIL
  A COUPLE HOURS AFTER THE RAIN ENDS.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...JORDAN...
  NEW MARKET...PRIOR LAKE...SAVAGE...AND SHAKOPEE.

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 4455 9384 4455 9334 4477 9334 4479 9353

$$

TDK
2 follow-up statements
000 
WGUS73 KMPX 170237
FFSMPX

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

MNC139-170645-
SCOTT MN-
935 PM CDT FRI JUN 16 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR SCOTT
COUNTY...

AT 935 PM CDT...LIGHT TO MODERATE SHOWERS CONTINUED...ALTHOUGH THE 
HEAVIEST RAIN HAD MOVED TO THE NORTHEAST OF SCOTT COUNTY. ADDITIONAL 
THUNDERSTORMS NEAR THE IOWA BORDER WERE ALSO APPROACHING THE AREA. 
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 4455 9384 4455 9334 4477 9334 4479 9353

$$

KAT
000 
WGUS73 KMPX 170344
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1042 PM CDT FRI JUN 16 2006

MNC139-170352-
SCOTT MN-
1042 PM CDT FRI JUN 16 2006

...THE FLASH FLOOD WARNING FOR SCOTT COUNTY HAS BEEN CANCELLED...

LOCAL LAW ENFORCEMENT INDICATED THAT WATER LEVELS HAVE RECEDED IN 
THE WARNED AREA. THEREFORE...THE FLASH FLOOD WARNING FOR SCOTT 
COUNTY HAS BEEN CANCELLED. AN ESTIMATED 1 TO 2 INCHES OF RAIN FELL 
ACROSS THE WARNED AREA THIS EVENING.

LAT...LON 4455 9384 4455 9334 4477 9334 4479 9353

$$

KAT

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, 7:20 PM CDTFlash Flood WarningMPXBlue Earth, Le Sueur, Nicollet6 hr
Jun 16, 7:55 PM CDTFlash Flood WarningMPXAnoka, Hennepin, Ramsey6 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.