Alert archive / Minnesota / Flash Flood Warnings in 2007
Flash Flood Warning 21, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Aug 21, 2007, 9:14 PM CDT for Fillmore County, Mower County, Minnesota; Howard County, Mitchell County, Iowa. It was in force for 3 hr. 6 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 21, 2007, 9:14 PM CDT (02:14 UTC)
- Expired
- Aug 22, 2007, 12:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
Counties Howard County, IA, Mitchell County, IA, Fillmore County, MN, Mower County, MN
The radar
The La Crosse radar (KARX), 110 km from the middle of the area, began a volume at 02:14 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 |
|---|---|---|---|
| Aug 21, 10:08 PM CDT | FLASH FLOOD | Austin, MN | KAAL-TV REPORTED STREET FLOODING ON 4TH STREET NEAR INTERSTATE 90. |
| Aug 21, 10:20 PM CDT | FLASH FLOOD | Austin, MN | KAAL TV REPORTED FLOODING ALONG OAKLAND AVENUE |
| Aug 21, 10:30 PM CDT | FLASH FLOOD | Spring Valley, MN | PART OF BASEMENT WALL COLLAPSED IN A HOUSE |
| Aug 21, 10:35 PM CDT | FLASH FLOOD | Spring Valley, MN | STREET FLOODING REPORTED |
| Aug 21, 10:35 PM CDT | HEAVY RAIN 2.5 | Spring Valley, MN | MOST OF THAT RAIN FELL DURING THE PAST HOUR. |
| Aug 21, 11:00 PM CDT | FLASH FLOOD | Cresco, IA | SHERIFF REPORTED THAT GRAVEL ROADS HAD WASHOUTS SPREAD THROUGH THE COUNTY. TIME ESTIMATED. |
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, 2.2 hours before the alert went out and 173 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
- 1298 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 453 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 220214
FFWARX
IAC089-131-MNC045-099-220500-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
914 PM CDT TUE AUG 21 2007
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MITCHELL COUNTY IN NORTH CENTRAL IOWA
HOWARD COUNTY IN NORTHEAST IOWA
FILLMORE COUNTY IN SOUTHEAST MINNESOTA
MOWER COUNTY IN SOUTHEAST MINNESOTA
* UNTIL 1200 AM CDT
* AT 914 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED SEVERAL
ROUNDS OF THUNDERSTORMS MOVING EAST ACROSS MOWER AND FILLMORE
COUNTIES IN SOUTHEAST MINNESOTA...AND MITCHELL AND HOWARD
COUNTIES IN NORTHEAST IOWA. THESE THUNDERSTORMS HAVE THE
POTENTIAL OF PRODUCING OVER AN INCH AN HOUR.
* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ADAMS...AUSTIN...
BROWNSDALE...CANTON...FOUNTAIN...GRAND MEADOW AND HARMONY.
THIS INCLUDES THE CEDAR...ROOT...AND UPPER IOWA RIVERS AND THEIR
TRIBUTARIES.
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. REMEMBER...TURN AROUND DONT
DROWN.
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 DONT DROWN.
LAT...LON 4382 9302 4322 9301 4323 9210 4350 9208
4352 9174 4383 9175
$$
BOYNE3 follow-up statements
000
WGUS73 KARX 220319
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1012 PM CDT TUE AUG 21 2007
IAC089-131-MNC045-099-220500-
MITCHELL IA-HOWARD IA-FILLMORE MN-MOWER MN-
1017 PM CDT TUE AUG 21 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
MOWER...FILLMORE...HOWARD AND MITCHELL COUNTIES...
AT 1008 PM CDT...MEDIA REPORTED STREET FLOODING NEAR THE
INTERSECTION OF INTERSTATE 90 AND 4TH STREET.
AT 1015 PM CDT...DOPPLER RADAR AND SPOTTERS REPORT BETWEEN AN
INCH AND AN INCH AND A HALF HAS FALLEN FROM THE AUSTIN AND
LYLE AREAS EAST TO SPRING VALLEY...AND OVER WESTERN MITCHELL
COUNTY IN NORTHEAST IOWA. THE WARNED AREA MAY SEE A TOTAL OF
ONE TO TWO INCHES OF RAIN TONIGHT.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WYKOFF...
SPRING VALLEY...RUSHFORD...ROSE CREEK...PRESTON...LANESBORO...
HARMONY...GRAND MEADOW...FOUNTAIN...CANTON...BROWNSDALE...AUSTIN AND
ADAMS. THIS INCLUDES THE CEDAR...ROOT...UPPER IOWA...AND TURKEY
RIVERS AND THEIR TRIBUTARIES.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO FORGE
FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. REMEMBER...TURN AROUND DONT
DROWN.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS. REMEMBER...TURN AROUND DONT DROWN.
LAT...LON 4382 9302 4322 9301 4323 9210 4350 9208
4352 9174 4383 9175
$$
BOYNE000
WGUS73 KARX 220325
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1024 PM CDT TUE AUG 21 2007
IAC089-131-MNC045-099-220500-
MITCHELL IA-HOWARD IA-FILLMORE MN-MOWER MN-
1024 PM CDT TUE AUG 21 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
MOWER...FILLMORE...HOWARD AND MITCHELL COUNTIES...
AT 1020 PM CDT...MEDIA REPORTED FLOODING ALONG OAKLAND AVENUE IN
AUSTIN MINNESOTA. IN ADDITION TO THIS...FLOODING WAS STILL
REPORTED NEAR THE INTERSECTION OF INTERSTATE 90 AND 4TH STREET
IN AUSTIN MINNESOTA.
AT 1024 PM CDT...DOPPLER RADAR AND SPOTTERS REPORT BETWEEN AN
INCH AND AN INCH AND A HALF HAS FALLEN FROM THE AUSTIN AND LYLE
AREAS EAST TO SPRING VALLEY AND RACINE...AND OVER WESTERN MITCHELL
COUNTY IN NORTHEAST IOWA. THE WARNED AREA MAY SEE A TOTAL OF ONE TO
TWO INCHES OF RAIN TONIGHT.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WYKOFF...
SPRING VALLEY...RUSHFORD...ROSE CREEK...PRESTON...LANESBORO...
HARMONY...GRAND MEADOW...FOUNTAIN...CANTON...BROWNSDALE...AUSTIN AND
ADAMS. THIS INCLUDES THE CEDAR...ROOT...UPPER IOWA...AND TURKEY
RIVERS AND THEIR TRIBUTARIES.
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. REMEMBER...TURN AROUND DONT
DROWN.
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 DONT DROWN.
LAT...LON 4382 9302 4322 9301 4323 9210 4350 9208
4352 9174 4383 9175
$$
BOYNE000
WGUS73 KARX 220437
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1135 PM CDT TUE AUG 21 2007
MNC099-220441-
MOWER MN-
1135 PM CDT TUE AUG 21 2007
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MOWER COUNTY...
THE THREAT FOR FLASH FLOODING HAS DIMINISHED ACROSS MOWER COUNTY.
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED..
LAT...LON 4383 9245 4349 9244 4348 9304 4322 9301
4323 9210 4350 9208 4352 9174 4383 9175
$$
IAC089-131-MNC045-220500-
MITCHELL IA-HOWARD IA-FILLMORE MN-
1135 PM CDT TUE AUG 21 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
FILLMORE...HOWARD AND MITCHELL COUNTIES...
AT 1135 PM CDT...DOPPLER RADAR INDICATES BETWEEN ONE AND A HALF AND
TWO INCHES OF RAIN HAS FALLEN SINCE 1030 PM IN THE CANTON...
NEWBURG...AND MABEL AREAS IN SOUTHEAST FILLMORE COUNTY. RESIDENTS
IN THESE AREAS SHOULD BE ALERT FOR STREET FLOODING. IN ADDITION
THERE MAY BE RAPID RISES ALONG RICEFORD AND DONALDSON CREEKS.
MEANWHILE THE REMAINDER OF FILLMORE COUNTY IN SOUTHEAST MINNESOTA...
AND HOWARD AND MITCHELL COUNTIES IN NORTHEAST IOWA WILL LIKELY
SEE UP TO A HALF INCH BETWEEN 1130 PM AND MIDNIGHT.
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. REMEMBER...TURN AROUND DONT
DROWN.
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 DONT DROWN.
LAT...LON 4383 9245 4349 9244 4348 9304 4322 9301
4323 9210 4350 9208 4352 9174 4383 9175
$$
BOYNEThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:43 PM CDT | Severe Thunderstorm Warning | ARX | Mower | 47 min |
| Aug 21, 9:53 PM CDT | Flash Flood Warning | ARX | Houston | 3 hr |
| Aug 22, 4:18 AM CDT | Flash Flood Watch | ARX | Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more | 35 hr |
| Aug 21, 9:50 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 40 min |
| Aug 21, 10:15 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 45 min |
| Aug 21, 11:09 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 51 min |
| Aug 21, 11:22 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 23 min |
| Aug 22, 4:44 AM CDT | River Flood Warning | ARX | Allamakee | 35 hr |
| Aug 22, 3:17 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 58 min |
Nearby
Flash Flood Warnings in Minnesota, 2007Flash Flood Warnings in Iowa, 2007Every flash flood warning in 2007
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.