Alert archive / Wisconsin / Flash Flood Warnings in 2004
Flash Flood Warning 1, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at May 8, 2004, 8:52 PM CDT for Allamakee County, Iowa; Crawford 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 8, 2004, 8:52 PM CDT (01:52 UTC)
- Expired
- May 8, 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 Allamakee County, IA, Crawford County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 47 km from the middle of the area, began a volume at 01:54 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 8, 9:15 PM CDT | FLASH FLOOD | Victory, WI | EXCESSIVE RAIN CAUSING FLASH FLOODING NEAR VICTORY. |
| May 8, 9:25 PM CDT | FLASH FLOOD | Lynxville, WI | ROCK SLIDES REPORTED AT VARIOUS LOCATIONS ALONG HIGHWAY 35. |
| May 8, 9:30 PM CDT | FLASH FLOOD | Lansing, IA | MUDSLIDES REPORTED ALONG HIGHWAY 26 AND IN CITY OF LANSING. |
| May 8, 10:07 PM CDT | FLASH FLOOD | Lansing, IA | THREE INCHES OF RAIN FELL IN LESS THAN TWO HOURS. WIDESPREAD FLASH FLOODING REPORTED. |
| May 8, 10:40 PM CDT | FLASH FLOOD | Ferryville, WI | SECTIONS OF COUNTY ROADS D...C...B...E FLOODED. |
| May 8, 10:40 PM CDT | FLASH FLOOD | Lansing, IA | FLOODING ALONG HIGHWAY 82 FROM LANSING EASTWARD TO HIGHWAY 35. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.9 hours before the alert went out and 207 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
- 2184 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1483 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 33 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 090152 FFWARX IAC005-WIC023-123-090445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 852 PM CDT SAT MAY 8 2004 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * FLASH FLOOD WARNING FOR... ALLAMAKEE COUNTY IN NORTHEAST IOWA VERNON COUNTY IN SOUTHWEST WISCONSIN CRAWFORD COUNTY IN SOUTHWEST WISCONSIN * UNTIL 1145 PM CDT * AT 849 PM CDT...NATIONAL WEATHER SERVICE RADAR CONTINUES TO SHOW SHOWERS AND THUNDERSTORMS MOVING EAST ACROSS NORTHERN ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND NORTHERN CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN. DOPPLER RADAR ESTIMATES THAT 3 TO 5 INCHES OF RAIN HAS FALLEN ACROSS THIS AREA SINCE 6 PM. ADDITIONAL SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE EAST ACROSS THE COUNTY THROUGH 11 PM. * SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...LANSING...NEW ALBIN...VIROQUA...WAUKON...HIGHWAY 131 AND COUNTY B...LOCK AND DAM 9 AND RED BARN CAMPGROUND. 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 4348 9162 4325 9160 4321 9068 4358 9066 $$ BOYNE
8 follow-up statements
000 WGUS73 KARX 090301 FFSARX ZCZC MKEFFSARX ALL TTAA00 KARX DDHHMM IAC005-WIC023-123-090430- FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 958 PM CDT SAT MAY 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN UNTIL 1145 PM... AT 958 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO SHOW SHOWERS AND THUNDERSTORMS MOVING EAST ACROSS NORTHERN ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND NORTHERN CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN. THESE SHOWERS AND THUNDERSTORMS ARE BECOMING MORE SCATTERED. DOPPLER RADAR ESTIMATES THAT 6 TO 10 INCHES OF RAIN HAS FALLEN SINCE 6 PM THIS EVENING THE HEAVIEST RAIN WAS LOCATED FROM DORCHESTER IOWA EAST TO BETWEEN OAK RIDGE WISCONSIN AND RETREAT WISCONSIN. WE HAVE RECEIVED A RAINFALL REPORT OF 7.38 INCHES OF RAIN IN LANSING IOWA...AND 2.26 INCHES IN MOUNT STERLING IN CRAWFORD COUNTY. MUD AND ROCK SLIDES HAVE BEEN REPORTED HIGHWAY 35 IN CRAWFORD COUNTY AND HIGHWAY 26 IN ALLAMAKEE COUNTY. IN ADDITION...FLASH FLOODING HAS BEEN REPORTED IN LANSING IOWA. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO FORGE FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. IF YOUR VEHICLE STALLS... ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. $$ BOYNE
000 WGUS73 KARX 090301 RRA FFSARX IAC005-WIC023-123-090430- FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 958 PM CDT SAT MAY 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN UNTIL 1145 PM... AT 958 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO SHOW SHOWERS AND THUNDERSTORMS MOVING EAST ACROSS NORTHERN ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND NORTHERN CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN. THESE SHOWERS AND THUNDERSTORMS ARE BECOMING MORE SCATTERED. DOPPLER RADAR ESTIMATES THAT 6 TO 10 INCHES OF RAIN HAS FALLEN SINCE 6 PM THIS EVENING THE HEAVIEST RAIN WAS LOCATED FROM DORCHESTER IOWA EAST TO BETWEEN OAK RIDGE WISCONSIN AND RETREAT WISCONSIN. WE HAVE RECEIVED A RAINFALL REPORT OF 7.38 INCHES OF RAIN IN LANSING IOWA...AND 2.26 INCHES IN MOUNT STERLING IN CRAWFORD COUNTY. MUD AND ROCK SLIDES HAVE BEEN REPORTED HIGHWAY 35 IN CRAWFORD COUNTY AND HIGHWAY 26 IN ALLAMAKEE COUNTY. IN ADDITION...FLASH FLOODING HAS BEEN REPORTED IN LANSING IOWA. 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. $$ BOYNE
000 WGUS73 KARX 090306 RRA FFSARX IAC005-WIC023-123-090445- FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1006 PM CDT SAT MAY 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN UNTIL 1145 PM... FLASH FLOODING AND MUDSLIDES HAS CAUSED THE ROAD CLOSURES IN PARTS OF CRAWFORD COUNTY WISCONSIN...INCLUDING... HIGHWAYS 35 AND 171... HIGHWAYS 35 AND COUNTY ROAD B TO HIGHWAY 82... MUCH OF THE HEAVIEST RAIN IS NOW MOVING OFF TO THE EAST... BUT RUNOFF WILL CONTINUE TO CAUSE PROBLEMS THROUGH THE REST OF THIS EVENING. FLASH FLOODING IS ESPECIALLY HARD TO DETECT AT NIGHT. DO NOT DRIVE AROUND ROAD CLOSURES. $$ SHEA
000 WGUS73 KARX 090321 RRA FFSARX IAC005-WIC023-123-090445- FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1021 PM CDT SAT MAY 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN UNTIL 1145 PM... A SIGNIFICANT AMOUNT OF RAIN HAS FALLEN THIS EVENING ACROSS NORTHEAST ALLAMAKEE IOWA IN EXTREME NORTHEAST IOWA...AS WELL AS FAR SOUTHWEST VERNON COUNTY AND NORTHWEST CRAWFORD COUNTY IN SOUTHWEST WISCONSIN. THIS AREA IS BETWEEN LA CROSSE AND PRAIRIE DU CHIEN WISCONSIN. AREAS THAT ARE IMPACTED INCLUDE LANSING IOWA...DE SOTO AND FERRYVILLE WISCONSIN. THERE HAVE BEEN NUMEROUS REPORTS OF FLASH FLOODING AND MUDSLIDES IN THE STEEPER TERRAIN CLOSE TO THE MISSISSIPPI RIVER. SEVERAL ROADS ARE CLOSED. IF YOU HAVE TRAVEL PLANNED IN THIS AREA TONIGHT...USE EXTREME CAUTION. IF YOU LIVE IN A FLOOD PRONE AREA...MOVE TO HIGH GROUND NOW. $$ SHEA
000 WGUS73 KARX 090327 RRA FFSARX IAC005-WIC023-123-090445- FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1027 PM CDT SAT MAY 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN UNTIL 1145 PM... IF YOU LIVE NEAR SMALL TRIBUTARIES INTO THE MISSISSIPPI RIVER IN EXTREME NORTHEAST IOWA OR SOUTHWEST WISCONSIN...BE ALERT FOR FLASH FLOODING TONIGHT. THE FOLLOWING CREEKS IN SOUTHWEST WISCONSIN CAN EXPECT FLASH FLOODING LATE THIS EVENING...RUSH...SUGAR...BUCK AND COPPER. IN NORTHEAST IOWA...VILLAGE CREEK MAY CAUSE FLASH FLOODING. MOVE TO HIGH GROUND NOW AREAS THAT ARE IMPACTED INCLUDE LANSING IN NORTHEAST IOWA...AND DE SOTO...LYNXVILLE AND FERRYVILLE IN SOUTHWEST WISCONSIN. IF YOU HAVE TRAVEL PLANNED IN THIS AREA TONIGHT...USE EXTREME CAUTION. $$ SHEA
000 WGUS73 KARX 090338 RRA FFSARX IAC005-WIC023-123-090445- FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1038 PM CDT SAT MAY 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN UNTIL 1145 PM... THE CRAWFORD COUNTY SHERIFF REPORTS FLASH FLOODING NEAR HIGHWAY 35 AND 82...NEAR THE BRIDGE THAT CROSSES THE MISSISSIPPI RIVER INTO LANSING IOWA. COUNTY ROADS D...C...B...AND E ALL HAVE HIGH WATER OVER THEM IN NORTHERN CRAWFORD COUNTY. FLASH FLOODING WILL CONTINUE IN THIS AREA THROUGH 1145 PM. AREAS THAT ARE IMPACTED INCLUDE LANSING IN NORTHEAST IOWA...AND DE SOTO...LYNXVILLE AND FERRYVILLE IN SOUTHWEST WISCONSIN. IF YOU HAVE TRAVEL PLANNED IN THIS AREA TONIGHT...USE EXTREME CAUTION. AVOID HIGHWAY 35 ALONG THE MISSISSIPPI RIVER BETWEEN LA CROSSE AND PRAIRIE DU CHIEN...AND SECTIONS OF HIGHWAY 26 IN EXTREME NORTHEAST IOWA. FLASH FLOODING IS HARD TO SPOT AT NIGHT. $$ SHEA
000 WGUS73 KARX 090422 RRA FFSARX IAC005-WIC023-123-090445- FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1122 PM CDT SAT MAY 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR ALLAMAKEE COUNTY IN NORTHEAST IOWA...AND CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN UNTIL 1145 PM... THE ALLAMAKEE COUNTY SHERIFF DEPARTMENT REPORTS ROAD CLOSURES IN AND NEAR LANSING IOWA ON HIGHWAYS 26 AND 9...INCLUDING THE GREAT RIVER ROAD. SOME MUDSLIDES ARE IMPASSABLE AT THIS POINT. MOST OF THE FLASH FLOODING CONCERNS ARE CENTERED IN THE LANSING AREA WITH VERY FEW PROBLEMS NOTED ELSEWHERE IN ALLAMAKEE COUNTY. CRAWFORD COUNTY IN SOUTHWEST WISCONSIN HAS ALSO REPORTED MUDSLIDES AND ROAD CLOSURES NEAR DE SOTO AND FERRYVILLE AS REPORTED EARLIER. WHILE THE HEAVY RAIN HAS MOVED OUT OF THE AREA...RUNOFF AND EXISTING FLASH FLOODING WILL CONTINUE TO CAUSE PROBLEMS. USE EXTREME CAUTION IF YOU ARE DRIVING IN EXTREME NORTHEAST IOWA AND SOUTHWEST WISCONSIN OVERNIGHT. ROADS WILL LIKELY BE CLOSED WELL INTO SUNDAY MORNING. THIS FLASH FLOOD WARNING WILL EXPIRE AT 1145 PM CDT. $$ SHEA
000 WGUS73 KARX 090450 RRA FFSARX IAC005-WIC023-123-090700- FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1150 PM CDT SAT MAY 8 2004 ...THE FLASH FLOOD WARNING FOR ALLAMAKEE...CRAWFORD AND VERNON COUNTIES HAS EXPIRED... THE FLASH FLOOD WARNING FOR ALLAMAKEE COUNTY IN EXTREME NORTHEAST IOWA...AND CRAWFORD AND VERNON COUNTIES IN SOUTHWEST WISCONSIN WAS ALLOWED TO EXPIRE AT 1145 PM. HEAVY RAIN FROM THUNDERSTORMS HAS MOVED OUT OF THE AREA FOR THE TIME BEING. EVEN THOUGH THE WARNING HAS EXPIRED...REMAIN ALERT FOR FLASH FLOOD THREATS. SOME ROADS REMAINED CLOSED NEAR LANSING IOWA...AS WELL AS DE SOTO AND FERRYVILLE WISCONSIN...ALONG HIGHWAYS 35...26 AND 9... FROM EARLIER MUDSLIDES AND FLASH FLOODING. DO NOT DRIVE INTO FLOOD WATERS OR DRIVE AROUND ROAD CLOSED SIGNS. FIND A DIFFERENT ROUTE. STAY ON HIGHER GROUND AND REMAIN ALERT OVERNIGHT FOR OTHER FLASH FLOOD RELATED PROBLEMS. $$ SHEA
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:28 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 32 min |
| May 8, 7:30 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 30 min |
| May 8, 8:03 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 42 min |
| May 8, 8:29 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 61 min |
| May 8, 8:02 PM CDT | Severe Thunderstorm Warning | ARX | Crawford | 58 min |
| May 8, 8:57 PM CDT | Severe Thunderstorm Warning | ARX | Crawford | 63 min |
Nearby
Flash Flood Warnings in Wisconsin, 2004Flash Flood Warnings in Iowa, 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.