Alert archive / Wisconsin / Flash Flood Warnings in 2005

Flash Flood Warning 49, NWS Twin Cities, MN

October 4, 2005Pierce County, Saint Croix County, Wisconsin

NWS Twin Cities, MN issued this flash flood warning at Oct 4, 2005, 9:07 PM CDT for Pierce County, Saint Croix County, Wisconsin. It was in force for 3 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
Oct 4, 2005, 9:07 PM CDT (02:07 UTC)
Expired
Oct 5, 2005, 12:30 AM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Pierce County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 83 km from the middle of the area, began a volume at 02:08 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, 2.1 hours before the alert went out and 86 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 2005-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 938 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 2005-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 264 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
938 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
264 m²/s²
0-3 km storm-relative helicity
429 m²/s²
Significant tornado parameter
0.0
Supercell composite
13.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 050209
FFWMPX
WIC093-109-050530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
907 PM CDT TUE OCT 4 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN
  PIERCE COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 1230 AM CDT

* AT 907 PM CDT...THUNDERSTORMS WILL VERY HEAVY RAIN...WERE MOVING   
  INTO THIS AREA.  RAINFALL RATES OF 2 INCHES AN HOUR ARE            
  ANTICIPATED THROUGH ABOUT MIDNIGHT. THE GROUND HAS ALREADY BEEN    
  SATURATED BY RECENT RAINFALL IN THE WARNED AREA...AND ADDITIONAL   
  RAIN WILL RUNOFF AND CAUSE FLOODING.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...BALDWIN...BAY CITY...
  DEER PARK...ELLSWORTH...GLENWOOD CITY...HAMMOND AND NEW RICHMOND.

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 4472 9275 4458 9250 4456 9218 4521 9216
      4522 9272

$$
1 follow-up statement
000 
WGUS73 KMPX 050316
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1012 PM CDT TUE OCT 4 2005

WIC093-109-050530-
ST. CROIX WI-PIERCE WI-
1012 PM CDT TUE OCT 4 2005

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
PIERCE AND ST. CROIX COUNTIES...

AT 1012 PM CDT...RADAR DETECTED A BAND OF THUNDERSTORMS PRODUCING 
VERY HEAVY RAIN OVERSPREADING THE AREA FROM THE WEST. ESTIMATES FROM 
RADAR INDICATED RAINFALL RATES OF ONE...TO ONE AND ONE HALF INCHES 
PER HOUR WITH THESE STORMS. THESE THUNDERSTORMS WILL MOVE ACROSS THE 
AREA BETWEEN 1030 PM AND 1130 PM.

EXPECT ADDITIONAL THUNDERSTORMS TO REDEVELOP AND PASS OVER THE WARNED
AREA...THROUGH MIDNIGHT RESULTING IN EXCESSIVE RAINFALL.

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ELLSWORTH AND NEW
RICHMOND.

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 4472 9275 4458 9250 4456 9218 4521 9216
      4522 9272

$$
JPR

Nearby

Flash Flood Warnings in Wisconsin, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.