Alert archive / Minnesota / Flash Flood Warnings in 2004

Flash Flood Warning 35, NWS La Crosse, WI

September 15, 2004Dodge County, Mower County, Olmsted County, Minnesota

NWS La Crosse, WI issued this flash flood warning at Sep 15, 2004, 1:10 AM CDT for Dodge County, Mower County, Olmsted 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
Sep 15, 2004, 1:10 AM CDT (06:10 UTC)
Expired
Sep 15, 2004, 6:00 AM CDT
In force
5 hr
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

Counties Dodge County, MN, Mower County, MN, Olmsted County, MN

The radar

The La Crosse radar (KARX), 113 km from the middle of the area, began a volume at 06:12 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, 6.2 hours before the alert went out and 137 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 2004-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2004-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.19395878Sfc1 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
52 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
106 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 KARX 150611
FFWARX
MNC039-099-109-151100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
110 AM CDT WED SEP 15 2004

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  DODGE COUNTY IN SOUTHEAST MINNESOTA
  OLMSTED COUNTY IN SOUTHEAST MINNESOTA
  MOWER COUNTY IN SOUTHEAST MINNESOTA

* UNTIL 600 AM CDT

* AT 110 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED            
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ACROSS MUCH OF THE WARNED  
  AREA. THE STORMS CONTINUE TO TRACK ACROSS THE SAME AREAS. LAW
  ENFORCEMENT OFFICIALS REPORT MANY ROADS IN THE WARNED AREA UNDER
  WATER AND CLOSED TO TRAFFIC. ESTIMATES FROM RADAR INDICATED THAT 3
  TO 4 INCHES OF RAIN HAS FALLEN DURING THE PAST 5 HOURS. WITH THE   
  GROUND ALREADY SATURATED...ADDITIONAL RAINFALL AMOUNTS BETWEEN 1   
  AND 2 INCHES WILL BE POSSIBLE TROUGH THE OVERNIGHT HOURS WHICH     
  WILL ONLY AGGRAVATE THE FLOODING PROBLEMS.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...AUSTIN...
  BROWNSDALE...BYRON...CLAREMONT...DODGE CENTER...DOVER AND EYOTA.

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.

LAT...LON 4357 9303 4352 9252 4384 9247 4389 9211
      4411 9210 4414 9252 4418 9299

$$

RABERDING
1 follow-up statement
000 
WGUS73 KARX 150940
FFSARX
MNC039-099-109-151100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
440 AM CDT WED SEP 15 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR
MOWER...OLMSTED AND DODGE COUNTIES...

AT 432 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS
OVER THE WARNED AREA. LAW ENFORCEMENT OFFICIALS REPORTED WATER 
STANDING WATER OR WATER OVER SEVERAL ROADS IN DODGE AND MOWER 
COUNTIES. ADDITIONAL RAINFALL AMOUNTS BETWEEN A QUARTER AND HALF 
INCH WILL BE POSSIBLE THROUGH 600 AM.

SOME LOCATIONS THAT MAY BE AFFECTED  INCLUDE...ADAMS...AUSTIN... 
BROWNSDALE...BYRON...DODGE CENTER...DOVER AND EYOTA.

THE MOWER COUNTY SHERIFF IS NOT RECOMMENDING TRAVEL IN THE 
COUNTY. HIGHWAY 218...INTERSTATE 90 AND SEVERAL COUNTY ROADS ARE 
CLOSED.

THE DODGE COUNTY SHERIFF ALSO REPORTED SEVERAL COUNTY ROADS CLOSED.

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. REMEMBER...TURN AROUND DO NOT DROWN.

LAT...LON 4357 9303 4352 9252 4384 9247 4389 9211
      4411 9210 4414 9252 4418 9299

$$

04

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 8:21 PM CDTFlash Flood WarningARXDodge5 hr
Sep 14, 8:48 PM CDTFlash Flood WarningARXMower, Olmsted4 hr
Sep 15, 2:58 AM CDTFlash Flood WarningARXFillmore3 hr
Sep 15, 3:42 AM CDTFlash Flood WarningARXWinona2 hr
Sep 15, 6:09 AM CDTFlash Flood WarningARXDodge, Fillmore, Mower, Winona111 min
Sep 15, 7:58 AM CDTFlash Flood WarningARXDodge, Fillmore, Mower, Winona3 hr

Nearby

Flash Flood Warnings in Minnesota, 2004Every flash flood warning in 2004

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.