Alert archive / Minnesota / Flash Flood Warnings in 2006

Flash Flood Warning 6, NWS Twin Cities, MN

May 23, 2006Stevens County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at May 23, 2006, 10:34 PM CDT for Stevens County, Minnesota. It was in force for 4 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
May 23, 2006, 10:34 PM CDT (03:34 UTC)
Expired
May 24, 2006, 2:30 AM CDT
In force
4 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Stevens County, MN

The radar

The Aberdeen radar (KABR), 192 km from the middle of the area, began a volume at 03:37 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, 3.6 hours before the alert went out and 197 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 2006-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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 2006-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
34 J/kg
Mixed-layer CIN
-277 J/kg
Mixed-layer LCL
2131 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
157 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 240336
FFWMPX
MNC149-240730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1034 PM CDT TUE MAY 23 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  STEVENS COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 230 AM CDT

* AT 1034 PM CDT...ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED 
  TO REDEVELOP AND PASS OVER THE WARNED AREA...RESULTING IN          
  EXCESSIVE RAINFALL.

ESTIMATES FROM RADAR INDICATED THAT NEARLY 3 INCHES OF RAIN HAS
FALLEN DURING THE PAST 3 HOURS OVER THE WARNED AREA.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CHOKIO...DONNELLY    
  MORRIS.

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 4542 9605 4542 9579 4560 9579 4560 9605

$$
DWE
2 follow-up statements
000 
WGUS73 KMPX 240456
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1152 PM CDT TUE MAY 23 2006

MNC149-240730-
STEVENS MN-
1152 PM CDT TUE MAY 23 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR
STEVENS COUNTY...

AT 1152 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED SHOWERS AND 
THUNDERSTORMS PRODUCING HEAVY RAIN MOVING ACROSS STEVENS COUNTY. 
RAINFALL AMOUNTS FROM DOPPLER RADAR INDICATE AROUND 3 INCHES OF RAIN 
HAS FALLEN OVER WESTERN PORTIONS OF THE COUNTY...NEAR DONNELLY AND 
CHOKIO. 

LAW ENFORCEMENT OFFICIALS REPORTED THAT A 30 FOOT WIDE SECTION OF A 
ROADWAY NORTH OF DONNELLY WAS WASHED OUT.  IT REMAINS BARRICADE AT 
THIS HOUR.  

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. DO NOT ATTEMPT TO FORGE
FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. IF YOUR VEHICLE STALLS...
ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND.

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 4543 9620 4542 9579 4573 9581 4573 9619

$$
DWE
000 
WGUS73 KMPX 240557
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1255 AM CDT WED MAY 24 2006

MNC149-240605-
STEVENS MN-
1255 AM CDT WED MAY 24 2006

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

RADAR INDICATES THAT THE HEAVY RAINFALL HAS ENDED ACROSS THE WARNED 
AREA...AND THE FLOOD THREAT HAS DIMINISHED. THEREFORE...THE FLASH 
FLOOD WARNING FOR STEVENS COUNTY HAS BEEN CANCELLED.

LAT...LON 4543 9620 4542 9579 4573 9581 4573 9619

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 7:44 PM CDTSevere Thunderstorm WarningMPXStevens, Swift61 min
May 23, 8:43 PM CDTSevere Thunderstorm WarningMPXStevens41 min

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.