Alert archive / Minnesota / Flash Flood Warnings in 2011
Flash Flood Warning 9, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jul 18, 2011, 6:11 AM CDT for Wabasha County, Minnesota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2011, 6:11 AM CDT (11:11 UTC)
- Expired
- Jul 18, 2011, 9:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
County Wabasha County, MN
The radar
The La Crosse radar (KARX), 94 km from the middle of the area, began a volume at 11:11 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 11.2 hours before the alert went out and 131 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
- 4443 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 991 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
556
WGUS53 KARX 181111
FFWARX
MNC157-181400-
/O.NEW.KARX.FF.W.0009.110718T1111Z-110718T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
611 AM CDT MON JUL 18 2011
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN WABASHA COUNTY IN SOUTHEAST MINNESOTA...
* UNTIL 900 AM CDT
* AT 608 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. DOPPLER RADAR ESTIMATES 2 TO 3 INCHES HAVE ALREADY
FALLEN OVER EASTERN WABASHA COUNTY. UP TO AN ADDITIONAL INCH IS
POSSIBLE BETWEEN 6 AM AND 9 AM AS THE STORMS MARCH EAST OUT OF
WABASHA COUNTY.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WABASHA AND KELLOGG. IN ADDITION...THERE COULD BE FLOODING ALONG
BREWERY CREEK...KING CREEK...TROUT BROOK AND THE ZUMBRO RIVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING 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 CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 4442 9224 4441 9212 4440 9205 4437 9200
4432 9193 4421 9189 4422 9223 4439 9226
$$
AJ3 follow-up statements
853
WGUS73 KARX 181203
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
703 AM CDT MON JUL 18 2011
MNC157-181400-
/O.CON.KARX.FF.W.0009.000000T0000Z-110718T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WABASHA MN-
703 AM CDT MON JUL 18 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN WABASHA
COUNTY UNTIL 900 AM CDT...
AT 658 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT 2 TO 3 INCHES OF RAIN FELL OVER EASTERN WABASHA COUNTY IN THE
MATTER OF ONE HOUR. THE RAIN HAS SINCE MOVED OFF TO THE EAST.
HOWEVER...RUNOFF FROM THIS EXCESSIVE RAINFALL MAY STILL PRODUCE
FLASH FLOODING.
SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
WABASHA AND KELLOGG.
IN ADDITION...FLOODING IS POSSIBLE ALONG BREWERY CREEK...KING
CREEK...TROUT BROOK AND THE ZUMBRO RIVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE ALSO SUBJECT TO FLOODING.
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 4442 9224 4441 9212 4440 9205 4437 9200
4432 9193 4421 9189 4422 9223 4439 9226
$$
AJ414
WGUS73 KARX 181243
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
743 AM CDT MON JUL 18 2011
MNC157-181400-
/O.CON.KARX.FF.W.0009.000000T0000Z-110718T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WABASHA MN-
743 AM CDT MON JUL 18 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN WABASHA
COUNTY UNTIL 900 AM CDT...
AT 739 AM CDT...THUNDERSTORMS HAD MOVED OUT OF THE WARNING AREA.
RADAR ESTIMATES INDICATE AS MUCH AS 2 TO 3 INCHES OF RAIN FELL
ACROSS MUCH OF THE WARNING AREA BETWEEN 5 AM AND 630 AM THIS
MORNING.
BE ALERT FOR HIGH WATER IN SMALL STREAMS AND DITCHES...AS WELL AS
DEBRIS ON ROADS...OR DEBRIS OR TREES FALLING FROM STEEPER ROAD CUTS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...WABASHA AND
KELLOGG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE ALSO SUBJECT TO FLOODING.
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING 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
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 4442 9224 4441 9212 4440 9205 4437 9200
4432 9193 4421 9189 4422 9223 4439 9226
$$
RRS738
WGUS73 KARX 181354
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
854 AM CDT MON JUL 18 2011
MNC157-181409-
/O.EXP.KARX.FF.W.0009.000000T0000Z-110718T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WABASHA MN-
854 AM CDT MON JUL 18 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHEASTERN
WABASHA COUNTY WILL BE ALLOWED TO EXPIRE AT 900 AM CDT...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4442 9224 4441 9212 4440 9205 4437 9200
4432 9193 4421 9189 4422 9223 4439 9226
$$
HALBACHNearby
Flash Flood Warnings in Minnesota, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.