Alert archive / Minnesota / Flash Flood Warnings in 2004

Flash Flood Warning 14, NWS La Crosse, WI

May 22, 2004Mower County, Minnesota

NWS La Crosse, WI issued this flash flood warning at May 22, 2004, 12:16 AM CDT for Mower County, Minnesota. 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
May 22, 2004, 12:16 AM CDT (05:16 UTC)
Expired
May 22, 2004, 3:15 AM CDT
In force
3 hr
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

County Mower County, MN

The radar

The La Crosse radar (KARX), 132 km from the middle of the area, began a volume at 05:20 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, 5.3 hours before the alert went out and 152 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 2004-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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 2004-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 square meters per square second.1939587897Sfc1 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
512 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
257 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KARX 220516
FFWARX
MNC099-220815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1216 AM CDT SAT MAY 22 2004

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 315 AM CDT

* AT 1216 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN 3 MILES SOUTHWEST OF
  ADAMS...OR ABOUT 14 MILES SOUTHEAST OF AUSTIN. ESTIMATES FROM RADAR
  INDICATED THAT NEARLY 1 INCH OF RAIN HAS FALLEN DURING THE PAST
  HOUR OVER THE WARNED AREA. THE STORMS PRODUCING THE VERY HEAVY
  RAINFALL WERE MOVING EAST AT 35 MPH.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...AUSTIN...
  BROWNSDALE...GRAND MEADOW...ROSE CREEK...I 90 EXIT 193...I 90 EXIT
  189 AND I 90 EXIT 187.

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 4352 9303 4352 9247 4373 9247 4373 9305

$$

RABERDING
1 follow-up statement
000 
WGUS73 KARX 220618
FFSARX
MNC099-220815-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
117 AM CDT SAT MAY 22 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR MOWER
COUNTY...

AT 117 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS
PRODUCING MODERATE TO HEAVY RAIN ACROSS THE AREA. RAINFALL RATES OF 
ONE HALF INCH PER HOUR RAINFALL WILL CONTINUE THROUGH 315 AM...AND 
WILL AGGRAVATE THE FLASH FLOODING. THE STORMS PRODUCING THE VERY 
HEAVY RAINFALL WERE MOVING EAST AT 40 MPH.

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...AUSTIN...GRAND
MEADOW...ROSE CREEK...I 90 EXIT 193...I 90 EXIT 189...I 90 EXIT 187
AND I 90 EXIT 183.

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 4352 9303 4352 9247 4373 9247 4373 9305

$$

RABERDING

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.