Alert archive / Iowa / Flash Flood Warnings in 2004

Flash Flood Warning 17, NWS La Crosse, WI

May 22, 20048 counties in Iowa; 4 counties in Wisconsin

NWS La Crosse, WI issued this flash flood warning at May 22, 2004, 11:14 PM CDT for 8 counties in Iowa; 4 counties in Wisconsin. It was in force for 6 hr. 27 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 22, 2004, 11:14 PM CDT (04:14 UTC)
Expired
May 23, 2004, 5:15 AM CDT
In force
6 hr
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

Counties Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Crawford County, WI, Grant County, WI, Richland County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 80 km from the middle of the area, began a volume at 04:16 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

TimeReportWhereRemark
May 23, 12:08 AM CDTFLASH FLOODHazel Green, WI3 TO 6 INCHES OF WATER OVER LEWISBURG RD
May 23, 12:08 AM CDTFLASH FLOODHazel Green, WI3 TO 6 INCHES OF WATER OVER LEWISBURG RD
May 23, 12:35 AM CDTFLASH FLOOD4 W Hazel Green, WIMUD SLIDE ON HIGHWAY 11
May 23, 12:35 AM CDTFLASH FLOOD4 W Hazel Green, WIMUD SLIDE ON HIGHWAY 11
May 23, 12:45 AM CDTFLASH FLOODBenton, WIEVACUATE PEOPLE FROM HOUSE DUE TO FLOODING WATERS
May 23, 12:45 AM CDTFLASH FLOODBenton, WIEVACUATE PEOPLE FROM HOUSE DUE TO FLOODING WATERS
May 23, 1:48 AM CDTFLASH FLOODArlington, IADOWNTOWN AREA UNDER WATER...UP TO 3 FEET DEEP IN SOME LOCATIONS. 2.28 INCHES OF RAIN HAS FALLEN IN ARLINGTON SINCE MIDNIGHT.
May 23, 1:48 AM CDTFLASH FLOODArlington, IADOWNTOWN AREA UNDER WATER...UP TO 3 FEET DEEP IN SOME LOCATIONS. 2.28 INCHES OF RAIN HAS FALLEN IN ARLINGTON SINCE MIDNIGHT.
May 23, 1:58 AM CDTFLASH FLOODVolga, IAFIRE DEPARTMENT EVACUATING RESIDENTS ALONG VOLGA RIVER. STAGE 10 FOOT 8 INCHES FROM BRIDGE AT MIDNIGHT. THIS IS WITHIN 2 FEET OF THE RECORD FLOOD BACK IN 1999.
May 23, 1:58 AM CDTFLASH FLOODVolga, IAFIRE DEPARTMENT EVACUATING RESIDENTS ALONG VOLGA RIVER. STAGE 10 FOOT 8 INCHES FROM BRIDGE AT MIDNIGHT. THIS IS WITHIN 2 FEET OF THE RECORD FLOOD BACK IN 1999.
May 23, 2:02 AM CDTFLASH FLOODMcgregor, IAMUDSLIDES IN TOWN. MOST ROADS HAVE SOME SORT OF DEBRIS ON
May 23, 2:02 AM CDTFLASH FLOODMcgregor, IAMUDSLIDES IN TOWN. MOST ROADS HAVE SOME SORT OF DEBRIS ON
May 23, 2:30 AM CDTFLASH FLOODEdgewood, IAROADS DAMAGED FROM FLOOD WATERS.
May 23, 2:34 AM CDTFLASH FLOOD2 S Bixby State Park, IAEDGEWOOD SPOTTER MEASURED 2.37 INCHES OF RAIN DURING THE PAST HALF HOUR.
May 23, 2:34 AM CDTFLASH FLOOD2 S Bixby State Park, IAEDGEWOOD SPOTTER MEASURED 2.37 INCHES OF RAIN DURING THE PAST HALF HOUR.
May 23, 2:41 AM CDTFLASH FLOOD1 E Prairie Du Chien, WIMUDSLIDE ON HIGHWAY 27 NEAR MONDALE HILL
May 23, 2:41 AM CDTFLASH FLOOD1 E Prairie Du Chien, WIMUDSLIDE ON HIGHWAY 27 NEAR MONDALE HILL
May 23, 2:41 AM CDTFLASH FLOODPrairie Du Chien, WISEVERAL STREETS UNDER 6 TO 8 INCHES OF WATER IN DOWNTOWN PRAIRIE DU CHIEN. SINCE MIDNIGHT 1.65 INCHES OF RAIN HAS FALLEN.
May 23, 2:41 AM CDTFLASH FLOODPrairie Du Chien, WISEVERAL STREETS UNDER 6 TO 8 INCHES OF WATER IN DOWNTOWN PRAIRIE DU CHIEN. SINCE MIDNIGHT 1.65 INCHES OF RAIN HAS FALLEN.
May 23, 2:46 AM CDTHEAVY RAIN 2.37Edgewood, IA2.37 INCHES OF RAIN IN 45 MINUTES.
May 23, 3:15 AM CDTFLASH FLOODW Edgewood, IAWATER OVER HIGHWAY 3
May 23, 3:23 AM CDTFLASH FLOOD1 E Prairie Du Chien, WIA MUDSLIDE BROUGHT ROCKS AND LOGS ONTO MONDALE HILL ON HIGHWAY 27. ONE LANE IN CLOSED.
May 23, 3:23 AM CDTFLASH FLOOD1 E Prairie Du Chien, WIA MUDSLIDE BROUGHT ROCKS AND LOGS ONTO MONDALE HILL ON HIGHWAY 27. ONE LANE IN CLOSED.
May 23, 3:23 AM CDTFLASH FLOODMcgregor, IA3 FEET OF WATER FLOWING DOWN THE STREETS IN MC GREGOR. STRANDED VEHICLES IN THE STREETS. A COUPLE OF LP TANKS SLID DOWN A HILL INTO A RAVINE IN A MUD SLIDE. ADDITIONAL...MUDSLIDES WERE REPORTED BETWEEN MCGRGOR AND MARQUETTE.
May 23, 3:23 AM CDTFLASH FLOODMcgregor, IA3 FEET OF WATER FLOWING DOWN THE STREETS IN MC GREGOR. STRANDED VEHICLES IN THE STREETS. A COUPLE OF LP TANKS SLID DOWN A HILL INTO A RAVINE IN A MUD SLIDE. ADDITIONAL...MUDSLIDES WERE REPORTED BETWEEN MCGRGOR AND MARQUETTE.
May 23, 3:23 AM CDTFLASH FLOODPrairie Du Chien, WISEVERAL STREETS ARE FLOODED. THERE ARE STRANDED VEHICLES FROM PEOPLE TRYING TO CROSS THE FLOODED ROADS.
May 23, 3:23 AM CDTFLASH FLOODPrairie Du Chien, WISEVERAL STREETS ARE FLOODED. THERE ARE STRANDED VEHICLES FROM PEOPLE TRYING TO CROSS THE FLOODED ROADS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.2 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2004-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2004-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
49 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 230415
FFWARX
IAC005-037-043-065-067-089-131-191-WIC023-043-103-123-231015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1114 PM CDT SAT MAY 22 2004

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WINNESHIEK COUNTY IN NORTHEAST IOWA
  HOWARD COUNTY IN NORTHEAST IOWA
  ALLAMAKEE COUNTY IN NORTHEAST IOWA
  FAYETTE COUNTY IN NORTHEAST IOWA
  CHICKASAW COUNTY IN NORTHEAST IOWA
  CLAYTON COUNTY IN NORTHEAST IOWA
  MITCHELL COUNTY IN NORTH CENTRAL IOWA
  FLOYD COUNTY IN NORTH CENTRAL IOWA
  VERNON COUNTY IN SOUTHWEST WISCONSIN
  RICHLAND COUNTY IN SOUTHWEST WISCONSIN
  GRANT COUNTY IN SOUTHWEST WISCONSIN
  CRAWFORD COUNTY IN SOUTHWEST WISCONSIN

* UNTIL 515 AM CDT

* AT 1114 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN 12 MILES SOUTHEAST OF
  FAIRBANK...OR ABOUT 3 MILES WEST OF INDEPENDENCE. ESTIMATES FROM
  RADAR INDICATED THAT NEARLY 2 INCHES OF RAIN HAS FALLEN DURING 
  THE PAST HOUR WITH THE STORMS MOVING INTO THE WARNED AREA. STORMS 
  PRODUCING THE VERY HEAVY RAINFALL WERE MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ARLINGTON...
  BLOOMINGTON...BOSCOBEL...CALMAR...CASSVILLE...CHARLES CITY AND
  CLERMONT.

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 4287 9305 4264 9209 4248 9037 4345 9037
          4371 9035 4370 9121 4347 9124 4346 9304

$$

KRC
5 follow-up statements
000 
WGUS73 KARX 230537
FFSARX
IAC005-037-043-065-067-089-131-191-WIC023-043-103-123-231015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1235 AM CDT SUN MAY 23 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
CRAWFORD...GRANT...RICHLAND...VERNON...CLAYTON...CHICKASAW...FLOYD...
FAYETTE...ALLAMAKEE...HOWARD...MITCHELL AND WINNESHIEK COUNTIES...

AT 1223 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED 
THUNDERSTORMS PRODUCING VERY HEAVY RAIN SOUTH OF A LINE FROM OSAGE 
IOWA TO DECORAH IOWA TO LANCASTER WISCONSIN.  SINCE 1100 
PM...RAINFALL  ESTIMATES FROM RADAR INDICATED THAT NEARLY 2 INCHES 
OF RAIN HAD FALLEN.  THESE STORMS WERE MOVING NORTHEAST AT 25 
MPH...BUT THEY CONTINUED MOVING OVER THE SAME AREA.

THE RAIN WILL GRADUALLY SPREAD NORTH INTO THE REMAINDER OF THE 
WARNED AREA.  IT IS THEN EXPECTED TO CONTINUE WELL INTO THE MORNING 
HOURS.   

THIS ADDITIONAL RAINFALL WILL ALSO ADD TO THE FLOODING OF 
RIVERS...STREAMS AND CREEKS.  ALSO...MUD SLIDES ALONG THE BLUFFS 
WILL LIELY OCCUR AS THE RAINFALL CONTINUES.  IF YOU ARE TRAVELING 
TONIGHT...BE AWARE OF DRIVING DOWN ROADS THAT ARE POTENTIALLY 
VULNERABLE TO MUD SLIDES.

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 4287 9305 4264 9209 4248 9037 4345 9037
          4371 9035 4370 9121 4347 9124 4346 9304

$$

KRC
000 
WGUS73 KARX 230643
FFSARX
IAC005-037-043-065-067-089-131-191-WIC023-043-103-123-231015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
143 AM CDT SUN MAY 23 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
CRAWFORD...GRANT...RICHLAND...VERNON...CLAYTON...CHICKASAW...FLOYD...
FAYETTE...ALLAMAKEE...HOWARD...MITCHELL AND WINNESHIEK COUNTIES...

AT 134 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS
PRODUCING HEAVY RAIN SOUTH OF A DODGE CENTER MINNESOTA TO DECORAH 
IOWA TO LANSING IOWA TO BOSCOBEL WISCONSIN LINE.  THE STRONGEST 
STORMS PRODUCING THE HEAVIEST RAINFALL WERE LOCATED ACROSS EASTERN 
CLAYTON COUNTY.  THESE STORMS WERE MOVING NORTHEAST INTO CRAWFORD 
COUNTY.

THE RAIN WILL GRADUALLY SPREAD NORTH ACROSS THE REMAINDER OF THE 
WARNED AREA.  IT IS THEN EXPECTED TO CONTINUE WELL INTO THE MORNING 
HOURS. RAINFALL AMOUNTS OF 1 TO 3 INCHES HAVE ALREADY BEEN ESTIMATED 
FROM RADAR...AND ANOTHER 1 TO 3 INCHES CAN BE EXPECTED ACROSS 
PORTIONS OF THE WARNED AREA.

THE ADDITIONAL RAINFALL WILL ADD TO THE FLOODING OF RIVERS...STREAMS 
AND CREEKS.  ALSO...MUD SLIDES ALONG THE BLUFFS WILL LIKELY OCCUR AS 
THE RAINFALL CONTINUES. IF YOU ARE TRAVELING THIS MORNING...BE AWARE 
OF DRIVING DOWN ROADS THAT ARE POTENTIALLY VULNERABLE TO MUD SLIDES.

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 4287 9305 4264 9209 4249 9038 4290 9036
          4346 9038 4372 9035 4370 9121 4348 9124
          4347 9304

$$

KRC
000 
WGUS73 KARX 230731
FFSARX
IAC005-037-043-065-067-089-131-191-WIC023-043-103-123-231015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
230 AM CDT SUN MAY 23 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
CRAWFORD...GRANT...RICHLAND...VERNON...CLAYTON...CHICKASAW...FLOYD...
FAYETTE...ALLAMAKEE...HOWARD...MITCHELL AND WINNESHIEK COUNTIES...

AT 225 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS
PRODUCING HEAVY RAIN MAINLY ALONG AND SOUTH OF INTERSTATE 90. THE 
STRONGEST STORMS PRODUCING THE HEAVIEST RAINFALL WERE LOCATED FROM 
MOUNT STERLING SOUTH THROUGH MILLVILLE...AND SOUTHWEST TO GUTTENBURG 
TO GARBER TO JUST EAST EDGEWOOD. THESE STORMS WERE MOVING NORTHEAST 
AT 30 MPH. 

SO FAR THIS MORNING...SEVERAL MUD SLIDES HAVE BEEN REPORTED ACROSS 
ROADS NEAR BLUFF SIDES.  SEVERAL ROADS IN FAYETTE...CLAYTON... 
SOUTHERN GRANT AND EASTERN CRAWFORD COUNTY WERE FLOODED AND DEBRIS 
LADEN.  EVACUATIONS ALONG THE VOLGA RIVER IN VOLGA WERE TAKING 
PLACE...AS THE RIVER WAS WITH 2 FEET OF ITS FLOOD OF RECORD.  

THE RAIN WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT SEVERAL 
HOURS.  RAINFALL AMOUNTS OF 1 TO 3 INCHES HAVE ALREADY BEEN 
OBSERVED...AND ANOTHER 1 TO 3 INCHES CAN BE EXPECTED ACROSS PORTIONS 
OF THE WARNED AREA.

THE ADDITIONAL RAINFALL WILL ADD TO THE FLOODING OF RIVERS...STREAMS 
AND CREEKS.  ALSO...MUD SLIDES ALONG THE BLUFFS WILL LIKELY OCCUR AS 
THE RAINFALL CONTINUES. IF YOU ARE TRAVELING THIS MORNING...BE AWARE 
OF DRIVING DOWN ROADS THAT ARE VULNERABLE TO MUD SLIDES. TRAVEL IS 
DISCOURAGED.

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 4287 9305 4264 9209 4249 9038 4290 9036
          4346 9038 4372 9035 4370 9121 4348 9124
          4347 9304

$$

KRC

&
000 
WGUS73 KARX 230859
FFSARX
IAC005-037-043-065-067-089-131-191-WIC023-043-103-123-231015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
355 AM CDT SUN MAY 23 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
CRAWFORD...GRANT...RICHLAND...VERNON...CLAYTON...CHICKASAW...FLOYD...
FAYETTE...ALLAMAKEE...HOWARD...MITCHELL AND WINNESHIEK COUNTIES...

AT 350 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS
PRODUCING MODERATE RAIN MAINLY ALONG AND SOUTH OF INTERSTATE 90. THE 
RAINFALL HAS BEGUN TO DECREASE OVER THE WARNED AREA.  THIS TREND IS 
EXPECTED TO CONTINUE THIS MORNING.

SO FAR THIS MORNING...SEVERAL MUD SLIDES HAVE BEEN REPORTED ACROSS 
ROADS NEAR BLUFF SIDES.  SEVERAL ROADS IN FLOYD...FAYETTE... 
CLAYTON...RICHLAND...SOUTHERN GRANT AND EASTERN CRAWFORD COUNTY WERE 
CLOSED FROM FLOODING AND DEBRIS.  EVACUATIONS ALONG THE VOLGA RIVER 
IN VOLGA WERE TAKING PLACE...AS THE RIVER WAS WITHIN A HALF OF A 
FOOT OF ITS FLOOD OF RECORD.  

RAINFALL AMOUNTS OF 2 TO 4 INCHES HAVE ALREADY BEEN 
OBSERVED...ANOTHER INCH IS POSSIBLE ACROSS PORTIONS OF THE WARNED 
AREA AS IT GRADUALLY DECREASES.

THE ADDITIONAL RAINFALL WILL ADD TO THE FLOODING OF RIVERS...STREAMS 
AND CREEKS.  ALSO...MUD SLIDES ALONG THE BLUFFS WILL LIKELY OCCUR AS 
THE RAINFALL CONTINUES. IF YOU ARE TRAVELING THIS MORNING...BE AWARE 
OF DRIVING DOWN ROADS THAT ARE VULNERABLE TO MUD SLIDES. TRAVEL IS 
DISCOURAGED.

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 4287 9305 4264 9209 4249 9038 4290 9036
          4346 9038 4372 9035 4370 9121 4348 9124
          4347 9304

$$

KRC

&
000 
WGUS73 KARX 231013
FFSARX
IAC005-037-043-065-067-089-131-191-WIC023-043-103-123-231030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
513 AM CDT SUN MAY 23 2004

...THE FLASH FLOOD WARNING FOR CRAWFORD...GRANT...RICHLAND...
VERNON...CLAYTON...CHICKASAW...FLOYD...FAYETTE...ALLAMAKEE...HOWARD..
.MITCHELL AND WINNESHIEK COUNTIES HAS EXPIRED...

THUNDERSTORMS THAT WERE PRODUCING HEAVY RAINS HAVE MOVED OUT OF THE 
AREA. THEREFORE...THE FLASH FLOOD WARNING FOR CRAWFORD...GRANT... 
RICHLAND...VERNON...CLAYTON...CHICKASAW...FLOYD...FAYETTE...ALLAMAKEE
...HOWARD...MITCHELL AND WINNESHIEK COUNTIES HAS BEEN ALLOWED TO 
EXPIRE.

DUE TO SEVERAL DAYS OF HEAVY RAINS...FLOODING PROBLEMS WILL PERSIST 
ACROSS SOME AREAS THROUGH THE MORNING. THE FLASH FLOOD WARNING WILL 
BE REPLACED BY A COUNTY WIDE FLOOD WARNING THROUGH NOON FOR FLOYD... 
FAYETTE AND CLAYTON COUNTIES IN IOWA...AND CRAWFORD...RICHLAND AND 
GRANT COUNTIES IN WISCONSIN.

PLEASE REPORT ANY FLOODING PROBLEMS TO YOUR LOCAL LAW ENFORCEMENT 
OFFICE AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER 
SERVICE.

LAT...LON 4287 9305 4264 9209 4248 9037 4345 9037
          4371 9035 4370 9121 4347 9124 4346 9304

$$

RRS

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 11:16 PM CDTSevere Thunderstorm WarningARXGrant29 min

Nearby

Flash Flood Warnings in Iowa, 2004Flash 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.