Alert archive / Minnesota / Flash Flood Warnings in 2011
Flash Flood Warning 2, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jun 18, 2011, 6:27 PM CDT for Wabasha County, Minnesota. It was in force for 4 hr. 4 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
- Jun 18, 2011, 6:27 PM CDT (23:27 UTC)
- Expired
- Jun 18, 2011, 10:00 PM CDT
- In force
- 4 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), 97 km from the middle of the area, began a volume at 23:28 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 |
|---|---|---|---|
| Jun 18, 6:30 PM CDT | FLOOD | Lake City, MN | STREET FLOODING IN LAKE CITY |
| Jun 18, 6:45 PM CDT | FLASH FLOOD | 2 Sw Lake City, MN | BANK EROSION ALONG HWY 63 CAUSED A COUPLE OF TREES TO FALL DOWN. ESTIMATE NEARLY 3 INCHES OF RAIN IN ABOUT 2 HOURS. |
| Jun 18, 7:30 PM CDT | HEAVY RAIN 3 | Lake City, MN | EXACTLY 3 INCHES MEASURED BY CO-OP OBSERVER IN ABOUT 2 HOURS. |
| Jun 18, 7:45 PM CDT | FLASH FLOOD | 1 Sw Lake City, MN | BREMERS CREEK WAS OVER THE ROAD AND BRIDGE AT MARION ST. WATER WAS STILL RISING RAPIDLY. SOME ROAD EROSION NOTED. |
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 12:00Z, 11.5 hours before the alert went out and 128 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
- 1215 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 600 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
560
WGUS53 KARX 182327
FFWARX
MNC157-190300-
/O.NEW.KARX.FF.W.0002.110618T2327Z-110619T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
627 PM CDT SAT JUN 18 2011
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN WABASHA COUNTY IN SOUTHEAST MINNESOTA...
* UNTIL 1000 PM CDT
* AT 624 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS
WESTERN WABASHA COUNTY. RADAR ESTIMATES THAT BETWEEN 2 AND 3
INCHES OF RAIN HAS FALLEN SINCE 5 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LAKE CITY...WABASHA AND KELLOGG. SOME CREEKS AND RIVERS THAT MAY
BE AFFECTED INCLUDE GILBERT CREEK...BOSTON COULEE...ALBANY CREEK...
AND SPRING CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE THROUGH
8 PM. IF HIGH WATER IS ENCOUNTERED...DO NOT TRY TO CROSS. TURN
AROUND...DONT DROWN.
&&
LAT...LON 4446 9243 4446 9225 4444 9221 4442 9211
4441 9208 4441 9206 4438 9203 4436 9195
4430 9192 4429 9192 4426 9189 4425 9243
$$
MW3 follow-up statements
522
WGUS73 KARX 190104
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
804 PM CDT SAT JUN 18 2011
MNC157-190300-
/O.CON.KARX.FF.W.0002.000000T0000Z-110619T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WABASHA MN-
804 PM CDT SAT JUN 18 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN WABASHA COUNTY
UNTIL 1000 PM CDT...
AT 745 PM...THE WABASHA SHERIFF AND PUBLIC REPORTS INDICATE THAT
WATER FROM BREMERS CREEK WAS RISING QUICKLY AND WAS ALREADY OVER
MARION STREET SOUTHWEST OF LAKE CITY. OFFICIALS HAVE SET UP
BARRICADES CLOSING OFF MARION STREET. AROUND 645 PM...WATER FROM
THIS CREEK ALSO CAUSED SOME EROSION ALONG HIGHWAY 63 AND CAUSED TWO
TREES TO FALL DOWN.
AT 758 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
OBSERVERS IN LAKE CITY REPORTED AT 730 PM THAT THREE INCHES OF RAIN
HAD FALLEN.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...LAKE
CITY...WABASHA AND KELLOGG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 4446 9243 4446 9225 4444 9221 4442 9211
4441 9208 4441 9206 4438 9203 4436 9195
4430 9192 4429 9192 4426 9189 4425 9243
$$
04202
WGUS73 KARX 190209
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
909 PM CDT SAT JUN 18 2011
MNC157-190300-
/O.CON.KARX.FF.W.0002.000000T0000Z-110619T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WABASHA MN-
909 PM CDT SAT JUN 18 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN WABASHA COUNTY
UNTIL 1000 PM CDT...
AT 900 PM CDT...THE WABASHA COUNTY SHERIFF REPORTS THAT BREMERS CREEK
CONTINUES TO BE OUT OF ITS BANKS...WITH ROAD CLOSURES ALONG MARION
STREET JUST SOUTHWEST OF LAKE CITY.
LIGHT RAIN CONTINUES TO FALL ON THE AREA...AND ADDITIONAL RAINS ARE
POSSIBLE OVERNIGHT. THIS FLASH FLOOD WARNING MAY NEED TO BE EXTENDED
BEYOND 10 PM IF FLOODING CONDITIONS CONTINUE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. REMEMBER...IT IS MUCH HARDER TO SEE FLOODED AREAS AT NIGHT.
USE CAUTION IF YOU MUST TRAVEL TONIGHT.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. DO NOT
DRIVE THROUGH FLOODED AREAS. TAKE THE EXTRA TIME TO FIND A SAFER ROUTE.
&&
LAT...LON 4446 9243 4446 9225 4444 9221 4442 9211
4441 9208 4441 9206 4438 9203 4436 9195
4430 9192 4429 9192 4426 9189 4425 9243
$$
MW183
WGUS73 KARX 190256
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
956 PM CDT SAT JUN 18 2011
MNC157-190306-
/O.EXP.KARX.FF.W.0002.000000T0000Z-110619T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WABASHA MN-
956 PM CDT SAT JUN 18 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN WABASHA
COUNTY WILL BE ALLOWED TO EXPIRE AT 1000 PM CDT...
AT 950 PM CDT...THE WABASHA COUNTY SHERIFF INDICATED THE FLOODING
SOUTHWEST OF LAKE CITY WAS NO LONGER A CONCERN. MARION ROAD WILL
REMAIN BLOCKED OFF THROUGH THE NIGHT BECAUSE SOME GRAVEL MAY HAVE
WASHED OUT AROUND THE CULVERT. NO OTHER FLOODING PROBLEMS WERE
REPORTED IN THE REST OF THE COUNTY.
LIGHT RAIN WILL CONTINUE TO FALL THROUGH MIDNIGHT BUT THE ADDITIONAL
RAINFALL IS NOT EXPECTED TO PRODUCE ANY MORE FLOODING PROBLEMS.
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4446 9243 4446 9225 4444 9221 4442 9211
4441 9208 4441 9206 4438 9203 4436 9195
4430 9192 4429 9192 4426 9189 4425 9243
$$
04The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 5:53 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 39 min |
Nearby
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.