Alert archive / Minnesota / Flash Flood Warnings in 2007
Flash Flood Warning 7, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Aug 18, 2007, 7:36 PM CDT for Houston County, Winona County, Minnesota. It was in force for 3 hr. 3 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 18, 2007, 7:36 PM CDT (00:36 UTC)
- Expired
- Aug 18, 2007, 10:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
Counties Houston County, MN, Winona County, MN
The radar
The La Crosse radar (KARX), 36 km from the middle of the area, began a volume at 00:38 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 18, 8:22 PM CDT | FLASH FLOOD | 4 Nnw Houston, MN | MUDSLIDE COVERING HIGHWAY 76 BETWEEN MONEY CREEK AND HOUSTON. OTHER MUDSLIDES REPORTED ON COUNTY HIGHWAYS 9...13 AND 26. |
| Aug 18, 9:30 PM CDT | FLASH FLOOD | Hokah, MN | AT LEAST 50 MUDSLIDES. 4 STATE HWYS AND 8 COUNTY ROADS CLOSED. REPORTS OF HOME COLLASPES AND SLIDES. TRAIN TRACKS AND BRIDGES WASHED OUT. NUMEROUS REPORTS OF INJURIES. 2 UNCONFIRMED FATALITIES. HARDEST HIT COMMUNITIES INCLUDE HOUSTON...HOKAH...LA CRESCENT...AN |
| Aug 18, 10:00 PM CDT | FLASH FLOOD | 2 W La Crescent, MN | *** 1 FATAL *** DEATH IN VEHICLE ON COUNTY ROAD 6 NEAR PINE CREEK. 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, 0.6 hours before the alert went out and 193 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
- 541 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 510 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 190036
FFWARX
MNC055-169-190330-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
736 PM CDT SAT AUG 18 2007
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WINONA COUNTY IN SOUTHEAST MINNESOTA
HOUSTON COUNTY IN SOUTHEAST MINNESOTA
* UNTIL 1030 PM CDT
* AT 736 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED
THUNDERSTORMS PRODUCING VERY HEAVY RAIN ACROSS MUCH OF THE WARNED
AREA. ESTIMATES FROM RADAR INDICATED THAT NEARLY 2 INCHES OF RAIN
HAS FALLEN DURING THE PAST 2 HOURS OVER THE WARNED AREA.
* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...BROWNSVILLE...
CALEDONIA...I 90 EXIT 270...DAKOTA...HOKAH...HOUSTON AND LA
CRESCENT.
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.
LAT...LON 4402 9148 4384 9129 4357 9125 4363 9172
4383 9173 4385 9207 4401 9207
$$
043 follow-up statements
000
WGUS73 KARX 190135
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
830 PM CDT SAT AUG 18 2007
MNC055-169-190330-
WINONA MN-HOUSTON MN-
830 PM CDT SAT AUG 18 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
HOUSTON AND SOUTHERN WINONA COUNTIES...
AT 822 PM CDT...THE HOUSTON COUNTY SHERIFFS DEPARTMENT REPORTED
SEVERAL MUDSLIDES IN THE COUNTY. THESE WERE OVER HIGHWAY 76 BETWEEN
MONEY CREEK AND HOUSTON AND OVER COUNTY HIGHWAYS 9...13 AND 26.
AT 829 PM CDT...THUNDERSTORMS PRODUCING FLASH FLOODING WAS REPORTED.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM LEWISTON TO 7
MILES NORTH OF HOUSTON TO BROWNSVILLE...OR ALONG A LINE EXTENDING
FROM 14 MILES WEST OF WINONA TO 14 MILES SOUTH OF WINONA TO 6 MILES
SOUTH OF LA CRESCENT...MOVING EAST AT 20 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DAKOTA
AND LA CRESCENT
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO FORGE
FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. REMEMBER...TURN AROUND DONT
DROWN.
EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLOODING OF CREEKS AND
STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO
TRIGGER ROCK AND MUD-SLIDES IN STEEP TERRAIN. PERSONS IN THE WARNED
AREA SHOULD BE PREPARED TO ACT QUICKLY TO AVOID THESE HAZARDS.
PLEASE REPORT ANY FLOODING TO YOUR LOCAL LAW ENFORCEMENT OFFICE AND
TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4402 9148 4384 9129 4357 9125 4363 9172
4383 9173 4385 9207 4401 9207
$$
04000
WGUS73 KARX 190215
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
911 PM CDT SAT AUG 18 2007
MNC055-169-190330-
WINONA MN-HOUSTON MN-
911 PM CDT SAT AUG 18 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
HOUSTON AND SOUTHERN WINONA COUNTIES...
AT 908 PM CDT...A THUNDERSTORM PRODUCING FLASH FLOODING WAS REPORTED
OVER THE WARNED AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEWISTON...LA
CRESCENT AND DAKOTA
AT 908 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS THE WARNED
AREA. LOCATIONS WITH THE GREATEST RISK OF FLASH FLOODING INCLUDE LA
CRESCENT...CALEDONIA...LEWISTON...HOUSTON...HOKAH...DAKOTA AND
BROWNSVILLE. LOCAL LAW ENFORCEMENT REPORT NUMEROUS MID SLIDES
ACROSS HOUSTON AND WINONA COUNTIES. BETWEEN 3 AND 5 INCHES OF RAIN
HAS FALLEN OVER THE WARNED AREA. SOME ROADS EFFECTED BY THE MUD
SLIDES INCLUDE HIGHWAY 76 BETWEEN MONEY CREEK AND HOUSTON AND OVER COUNTY
HIGHWAYS 9...13 AND 26.
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 4402 9148 4384 9129 4357 9125 4363 9172
4383 9173 4385 9207 4401 9207
$$
RABERDING000
WGUS73 KARX 190302
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1000 PM CDT SAT AUG 18 2007
MNC055-169-190330-
WINONA MN-HOUSTON MN-
1000 PM CDT SAT AUG 18 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
HOUSTON AND SOUTHERN WINONA COUNTIES...
AT 959 PM CDT...A THUNDERSTORM PRODUCING FLASH FLOODING WAS REPORTED
OVER THE WARNED AREA. LOCAL LAW ENFORCEMENT REPORT NUMEROUS MUD
SLIDES ACROSS HOUSTON AND WINONA COUNTIES. THREE TO FIVE INCHES OF
RAIN HAS FALLEN ACROSS THE WARNED AREA TODAY AND ADDITIONAL HEAVY
RAINFALL IS LIKELY OVER THE NEXT SEVERAL HOURS. THIS WARNING WILL
LIKELY NEED TO BE EXTENDED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEWISTON...LA
CRESCENT AND DAKOTA
AT 959 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW
MOVING THUNDERSTORMS WITH TORRENTIAL RAINFALL ACROSS THE WARNED AREA.
LOCATIONS WITH THE GREATEST RISK OF FLASH FLOODING INCLUDE LA
CRESCENT...CALEDONIA...LEWISTON...HOUSTON...HOKAH...DAKOTA AND
BROWNSVILLE.
EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLOODING OF CREEKS AND
STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO
TRIGGER ROCK AND MUD-SLIDES IN STEEP TERRAIN. PERSONS IN THE WARNED
AREA SHOULD BE PREPARED TO ACT QUICKLY TO AVOID THESE HAZARDS.
LAT...LON 4402 9148 4384 9129 4357 9125 4363 9172
4383 9173 4385 9207 4401 9207
$$
RABERDINGThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 9:45 PM CDT | River Flood Warning | ARX | Olmsted, Winona | 34 hr |
| Aug 18, 10:10 PM CDT | Flash Flood Warning | ARX | Houston, Winona | 3 hr |
| Aug 18, 10:10 PM CDT | Flash Flood Warning | ARX | Houston, Wabasha, Winona | 3 hr |
| Aug 18, 10:39 PM CDT | Flash Flood Warning | ARX | Olmsted | 3 hr |
| Aug 18, 11:15 PM CDT | River Flood Warning | ARX | Olmsted | 11 hr |
| Aug 18, 11:15 PM CDT | River Flood Warning | ARX | Olmsted | 30 hr |
| Aug 19, 12:56 AM CDT | Flash Flood Warning | ARX | Olmsted, Wabasha, Winona | 6 hr |
| Aug 19, 12:56 AM CDT | Flash Flood Warning | ARX | Dodge, Fillmore, Houston, Olmsted, Wabasha, Winona | 6 hr |
| Aug 19, 3:22 AM CDT | River Flood Warning | ARX | Olmsted | 26 hr |
| Aug 19, 8:58 AM CDT | River Flood Warning | ARX | Fillmore, Houston | 8 hr |
| Aug 19, 10:15 AM CDT | River Flood Warning | ARX | Wabasha | 43 hr |
Nearby
Flash Flood Warnings in Minnesota, 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.