Alert archive / Wisconsin / Flash Flood Warnings in 2004
Flash Flood Warning 6, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at May 21, 2004, 8:40 PM CDT for Crawford County, Richland County, Vernon County, Wisconsin. It was in force for 3 hr. 6 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 21, 2004, 8:40 PM CDT (01:40 UTC)
- Expired
- May 21, 2004, 11:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Counties, with a storm outline in the text
Counties Crawford County, WI, Richland County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 48 km from the middle of the area, began a volume at 01:41 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 21, 11:32 PM CDT | FLASH FLOOD | 2 Nw Dilly, WI | MUDSLIDE NEAR THE INTERSECTION OF STATE HIGHWAY 33 AND BURR SALEM ROAD |
| May 21, 11:32 PM CDT | FLASH FLOOD | 2 Nw Dilly, WI | MUDSLIDE NEAR THE INTERSECTION OF STATE HIGHWAY 33 AND BURR SALEM ROAD |
| May 21, 11:32 PM CDT | FLASH FLOOD | 2 Nw Dilly, WI | MUDSLIDE NEAR THE INTERSECTION OF STATE HIGHWAY 33 AND BURR SALEM ROAD |
| May 21, 11:32 PM CDT | FLASH FLOOD | La Farge, WI | MUDSLIDES REPORTED EAST AND WEST OF LA FARGE ON STATE HIGHWAY 82 |
| May 21, 11:32 PM CDT | FLASH FLOOD | La Farge, WI | MUDSLIDES REPORTED EAST AND WEST OF LA FARGE ON STATE HIGHWAY 82 |
| May 21, 11:32 PM CDT | FLASH FLOOD | La Farge, WI | MUDSLIDES REPORTED EAST AND WEST OF LA FARGE ON STATE HIGHWAY 82 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.7 hours before the alert went out and 243 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 542 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 418 m²/s²
- 0-3 km storm-relative helicity
- 649 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KARX 220142 FFWARX WIC023-103-123-220445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 840 PM CDT FRI MAY 21 2004 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * FLASH FLOOD WARNING FOR... VERNON COUNTY IN SOUTHWEST WISCONSIN RICHLAND COUNTY IN SOUTHWEST WISCONSIN CRAWFORD COUNTY IN SOUTHWEST WISCONSIN * UNTIL 1145 PM CDT * AT 840 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDING FROM 6 MILES NORTHWEST OF VIROQUA TO 12 MILES NORTHEAST OF PRAIRIE DU CHIEN. ESTIMATES FROM RADAR INDICATED THAT NEARLY 1 INCH OF RAIN HAS FALLEN DURING THE PAST HOUR OVER PARTS OF THE WARNED AREA. IN ADDITION TO THE CURRENT STORMS...MORE ARE EXPECTED TO MOVE IN FROM THE WEST...MOVING OVER THE ALREADY SATURATED GROUNDS. THE STORMS PRODUCING THE VERY HEAVY RAINFALL WERE MOVING EAST AT 25 MPH. * SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...COON VALLEY...LA FARGE...RICHLAND CENTER...VIROQUA...WESTBY...HIGHWAY 82 AND COUNTY D AND HIGHWAY 82 AND COUNTY A. 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. LAT...LON 4371 9115 4309 9108 4327 9027 4368 9040 $$ RIECK
3 follow-up statements
000 WGUS73 KARX 220218 FFSARX WIC023-103-123-220445- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 917 PM CDT FRI MAY 21 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR CRAWFORD...RICHLAND AND VERNON COUNTIES... AT 916 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY RAIN WEST OF A LIBERTY POLE...TO ROLLING MOOUND LINE. RAINFALL RATES BETWEEN 1 AND 2 INCHES PER HOUR ARE EXPECTED OVER THE WARNED AREA. THE STORMS PRODUCING THE VERY HEAVY RAINFALL WERE MOVING NORTHEAST AT 35 MPH. SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...COON VALLEY...LA FARGE...RICHLAND CENTER...VIROQUA...WESTBY AND EXCELSIOR. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO FORGE FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. IF YOUR VEHICLE STALLS... ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. LAT...LON 4371 9115 4309 9108 4327 9027 4368 9040 $$ RABERDING
000 WGUS73 KARX 220321 FFSARX WIC023-103-123-220445- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1021 PM CDT FRI MAY 21 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR CRAWFORD...RICHLAND AND VERNON COUNTIES... AT 1018 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED MODERATE TO AT TIMES HEAVY RAIN ACROSS THE WARNED AREA. LAW ENFORCEMENT IN CRAWFORD COUNTY REPORTED SOME STREETS UNDER A FOOT OF WATER AND IMPASSABLE IN PRAIRIE DU CHIEN. THE STORMS PRODUCING THE VERY HEAVY RAINFALL WERE MOVING WEST AT 40 MPH. SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...COON VALLEY...LA FARGE...RICHLAND CENTER...VIROQUA...WESTBY AND LOCK AND DAM 9. 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. LAT...LON 4371 9115 4309 9108 4327 9027 4368 9040 $$ RABERDING &
000 WGUS73 KARX 220400 FFSARX WIC023-103-123-220445- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1100 PM CDT FRI MAY 21 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR CRAWFORD...RICHLAND AND VERNON COUNTIES... AT 1100 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS PRODUCING MODERATE TO HEAVY RAIN OVER THE ENTIRE WARNED AREA. LAW ENFORCEMENT OFFICIALS IN CRAWFORD COUNTY REPORT HIGHWAY 35 BETWEEN LYNXVILLE AND PRAIRIE DU CHIEN CLOSED DUE TO FLOODING. IN ADDITION NUMEROUS OTHER ROADS ACROSS CRAWFORD COUNTY WERE CLOSED. ADDITIONAL RAINFALL AMOUNTS OF AN INCH IS LIKELY THROUGH 1145 PM. THE STORMS PRODUCING THE VERY HEAVY RAINFALL WERE MOVING EAST AT 40 MPH. SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...COON VALLEY...LA FARGE...VIROQUA...WESTBY...EXCELSIOR AND LOCK AND DAM 9. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 4371 9115 4309 9108 4327 9027 4368 9040 $$ RABERDING
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 9:38 PM CDT | Flash Flood Warning | ARX | Grant | 3 hr |
| May 21, 11:44 PM CDT | Flash Flood Warning | ARX | Crawford, Richland, Vernon | 3 hr |
| May 22, 12:30 AM CDT | Flash Flood Warning | ARX | Grant | 3 hr |
| May 22, 2:54 AM CDT | Severe Thunderstorm Warning | ARX | Grant | 66 min |
Nearby
Flash Flood Warnings in Wisconsin, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.