Alert archive / Wisconsin / Flash Flood Warnings in 2011
Flash Flood Warning 3, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jun 18, 2011, 11:27 PM CDT for Crawford County, Wisconsin. It was in force for 3 hr. 1 report 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, 11:27 PM CDT (04:27 UTC)
- Expired
- Jun 19, 2011, 2:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
County Crawford County, WI
The radar
The La Crosse radar (KARX), 66 km from the middle of the area, began a volume at 04:30 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 19, 1:46 AM CDT | FLASH FLOOD | Steuben, WI | BLOCKED CULVERTS AND DIRT OVER ROADS NEAR STEUBEN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 4.5 hours before the alert went out and 186 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
- 1046 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
098
WGUS53 KARX 190427
FFWARX
WIC023-190730-
/O.NEW.KARX.FF.W.0003.110619T0427Z-110619T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1127 PM CDT SAT JUN 18 2011
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CRAWFORD COUNTY IN SOUTHWEST WISCONSIN...
* UNTIL 230 AM CDT
* AT 1123 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES OF BETWEEN THREE AND THREE AND A HALF
INCHES OF RAIN HAS FALLEN ACROSS THE AREA SINCE 10 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL
AREAS OF CRAWFORD COUNTY...FOR AREAS MAINLY ALONG AND WEST OF THE
KICKAPOO RIVER. OF PARTICULAR CONCERN IS CINTRON CREEK NEAR
CROWLEY RIDGE AND HALLS BRANCH CREEK SOUTH OF MOUNT STERLING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
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.
&&
LAT...LON 4323 9108 4325 9106 4329 9108 4342 9108
4342 9071 4316 9070 4300 9108
$$
042 follow-up statements
898
WGUS73 KARX 190538
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1238 AM CDT SUN JUN 19 2011
WIC023-190730-
/O.CON.KARX.FF.W.0003.000000T0000Z-110619T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD WI-
1238 AM CDT SUN JUN 19 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CRAWFORD COUNTY UNTIL
230 AM CDT...
AT 1235 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT BETWEEN THREE AND THREE AND A HALF INCHES OF RAIN HAS FALLEN
ACROSS THE AREA SINCE 10 PM. MOST OF THE RAIN HAS NOW MOVED OUT OF
THE WARNING AREA WITH JUST SOME LIGHT RAIN REMAINING OVER THE
NORTHERN PART OF THE COUNTY.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF CRAWFORD
COUNTY...FOR AREAS MAINLY ALONG AND WEST OF THE KICKAPOO RIVER. OF
PARTICULAR CONCERN IS CINTRON CREEK NEAR CROWLEY RIDGE AND HALLS
BRANCH CREEK SOUTH OF MOUNT STERLING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 4323 9108 4325 9106 4329 9108 4342 9108
4342 9071 4316 9070 4300 9108
$$
04655
WGUS73 KARX 190627
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
127 AM CDT SUN JUN 19 2011
WIC023-190730-
/O.CON.KARX.FF.W.0003.000000T0000Z-110619T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD WI-
127 AM CDT SUN JUN 19 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CRAWFORD COUNTY UNTIL
230 AM CDT...
AT 122 AM CDT...DOPPLER RADAR INDICATED ALL THE RAIN HAD MOVED OUT
OF THE WARNED AREA. ADDITIONAL THUNDERSTORMS CONTINUE TO FORM AND
MORE RAIN OVER THE WARNED AREA IS POSSIBLE THROUGH THE REMAINDER OF
THE NIGHT. NO FLOODING HAS BEEN REPORTED YET...BUT BETWEEN THREE AND
THREE AND A HALF INCHES OF RAIN IS ESTIMATED TO HAVE FALLEN BETWEEN
10 PM AND MIDNIGHT.
RUNOFF FROM THIS EXCESSIVE RAINFALL MAY HAVE CAUSED FLASH FLOODING TO
OCCUR. THE FLOODING SHOULD HAVE OCCURRED OVER MAINLY RURAL AREAS OF
CRAWFORD COUNTY...MAINLY ALONG AND WEST OF THE KICKAPOO RIVER.
CINTRON AND HALLS BRANCH CREEKS ARE THE MOST LIKELY STREAMS TO HAVE
EXPERIENCED FLOODING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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.
&&
LAT...LON 4323 9108 4325 9106 4329 9108 4342 9108
4342 9071 4316 9070 4300 9108
$$
04The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:18 PM CDT | Areal Flood Advisory | ARX | Buffalo | 2 hr |
| Jun 18, 11:16 PM CDT | Areal Flood Advisory | ARX | La Crosse | 3 hr |
| Jun 19, 1:36 AM CDT | Areal Flood Advisory | ARX | Vernon | 114 min |
| Jun 19, 2:54 AM CDT | Flash Flood Warning | ARX | Vernon | 3 hr |
| Jun 19, 3:09 AM CDT | Areal Flood Advisory | ARX | Crawford, Richland | 3 hr |
| Jun 19, 3:42 AM CDT | Flash Flood Warning | ARX | Crawford | 3 hr |
| Jun 19, 8:37 AM CDT | River Flood Warning | ARX | Crawford, Vernon | 12 hr |
| Jun 19, 9:28 AM CDT | River Flood Warning | ARX | Crawford, Vernon | 24 hr |
| Jun 19, 9:28 AM CDT | River Flood Warning | ARX | Crawford | 55 hr |
| Jun 19, 9:28 AM CDT | River Flood Warning | ARX | Crawford | 24 hr |
Nearby
Flash Flood Warnings in Wisconsin, 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.