Alert archive / Minnesota / Flash Flood Warnings in 2006

Flash Flood Warning 19, NWS Twin Cities, MN

September 1, 2006Chippewa County, Lac qui Parle County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Sep 1, 2006, 6:58 AM CDT for Chippewa County, Lac qui Parle County, Yellow Medicine 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
Sep 1, 2006, 6:58 AM CDT (11:58 UTC)
Expired
Sep 1, 2006, 11:00 AM CDT
In force
4 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Chippewa County, MN, Lac qui Parle County, MN, Yellow Medicine County, MN

The radar

The Sioux Falls radar (KFSD), 159 km from the middle of the area, began a volume at 11:59 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

Aberdeen, SD (KABR), launched 00:00Z, 12.0 hours before the alert went out and 188 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, Aberdeen, SD at 00:00Z on 2006-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Aberdeen, SD at 00:00Z on 2006-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1446 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
55 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 011159
FFWMPX
MNC023-073-173-011600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
658 AM CDT FRI SEP 1 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA...
  CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...
  YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 1100 AM CDT

* AT 658 AM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY        
  HEAVY RAIN ACROSS MUCH OF THE WARNED AREA. SLOW MOVING             
  THUNDERSTORMS WILL DUMP ADDITIONAL RAINFALL ON AREAS THAT HAVE     
  ALREADY RECEIVED A COUPLE OF INCHES OF RAINFALL.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CANBY...MADISON AND
  MONTEVIDEO.

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.

LAT...LON 4507 9632 4466 9631 4469 9556 4511 9556

$$
RJN
1 follow-up statement
000 
WGUS73 KMPX 011450
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
949 AM CDT FRI SEP 1 2006

MNC023-073-173-011455-
LAC QUI PARLE MN-CHIPPEWA MN-YELLOW MEDICINE MN-
949 AM CDT FRI SEP 1 2006

...THE FLASH FLOOD WARNING FOR YELLOW MEDICINE...CHIPPEWA  AND LAC
QUI PARLE COUNTIES IN WEST CENTRAL MINNESOTA HAS BEEN CANCELLED...

AT 945 AM...RADAR INDICATED THAT THE INTENSITY OF THE RAIN ACROSS 
THE AREA CONTINUED TO DIMINISH. A CHECK WITH LAW ENFORCEMENT 
OFFICIALS IN THE THREE COUNTY AREA INDICATED THAT NO FLOODING WAS 
BEING OBSERVED. THE STREET FLOODING REPORTED EARLY THIS MORNING IN 
THE CITY OF CANBY HAD RECEDED. THEREFORE...THE FLASH FLOOD WARNING 
FOR YELLOW MEDICINE...CHIPPEWA  AND LAC QUI PARLE COUNTIES IN WEST 
CENTRAL MINNESOTA HAS BEEN CANCELLED.

LAT...LON 4507 9632 4466 9631 4469 9556 4511 9556

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 1:51 PM CDTFlood WatchMPXChippewa, Douglas, Lac qui Parle, Pope, Stevens, Swift and 1 more19 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.