Alert archive / Wisconsin / Flash Flood Warnings in 2011
Flash Flood Warning 20, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Aug 2, 2011, 6:35 AM CDT for Taylor County, Wisconsin. It was in force for 5 hr. 5 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
- Aug 2, 2011, 6:35 AM CDT (11:35 UTC)
- Expired
- Aug 2, 2011, 11:14 AM CDT
- In force
- 5 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
County Taylor County, WI
The radar
The La Crosse radar (KARX), 168 km from the middle of the area, began a volume at 11:35 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 2, 7:00 AM CDT | HEAVY RAIN 3 | 4 E Westboro, WI | |
| Aug 2, 7:46 AM CDT | FLASH FLOOD | Chelsea, WI | WATER STARTING TO TOP PARTS OF COUNTY ROAD M. DITCHES ALL FULL IN AREA. ESTIMATED 3-4 INCHES OF RAIN SO FAR. MINOR STREET FLOODING IN MEDFORD. |
| Aug 2, 8:45 AM CDT | HEAVY RAIN 2.9 | Chelsea, WI | |
| Aug 2, 9:00 AM CDT | HEAVY RAIN 4 | 4 E Westboro, WI | |
| Aug 2, 9:54 AM CDT | HEAVY RAIN 1.5 | Lublin, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 11.6 hours before the alert went out and 194 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
- 1237 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1183 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
280
WGUS53 KARX 021135
FFWARX
WIC119-021730-
/O.NEW.KARX.FF.W.0020.110802T1135Z-110802T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
635 AM CDT TUE AUG 2 2011
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
TAYLOR COUNTY IN NORTH CENTRAL WISCONSIN...
* UNTIL 1230 PM CDT
* AT 634 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING EAST ACROSS TAYLOR
COUNTY. DOPPLER RADAR ESTIMATED THAT 2 TO 4 INCHES OF RAIN HAS
ALREADY FALLEN ACROSS CHELSEA...RIB LAKE...AND WESTBORO IN
EASTERN PARTS OF THIS COUNTY...AND UP TO 2 INCHES ACROSS THE
REMAINDER OF THE COUNTY. ADDITIONAL THUNDERSTORMS ARE EXPECTED
TO PRODUCE ANOTHER 1 TO 3 INCHES OF RAIN ACROSS THE COUNTY BETWEEN
630 AM AND 830 AM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MEDFORD...CHELSEA...JUMP RIVER...RIB LAKE AND WESTBORO.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...SILVER CREEK...
BIG RIB RIVER...SILVERNAGAL CREEK...COPPER CREEK...WOOD CREEK...
JOE MARTIN CREEK...AND EAST LEMKE CREEK.
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.
&&
LAT...LON 4538 9004 4512 9004 4512 9018 4503 9020
4503 9093 4539 9092
$$
BOYNE4 follow-up statements
129
WGUS73 KARX 021254
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
754 AM CDT TUE AUG 2 2011
WIC119-021730-
/O.CON.KARX.FF.W.0020.000000T0000Z-110802T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAYLOR WI-
754 AM CDT TUE AUG 2 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR TAYLOR COUNTY UNTIL 1230
PM CDT...
THE TAYLOR COUNTY SHERIFF DEPARTMENT REPORTS DITCHES FULL OF WATER
NORTH OF MEDFORD...INCLUDING THE WESTBORO AND CHELSEA AREA. COUNTY
ROAD M IN THE CHELSEA AREA HAS SOME WATER STARTING TO COME OVER THE
ROAD WITH AN ESTIMATED 3 TO 4 INCHES OF RAIN. THERE WAS EVEN SOME
MINOR STREET FLOODING REPORTED IN MEDFORD.
ADDITIONAL THUNDERSTORMS WITH TORRENTIAL RAIN WERE MOVING INTO THIS
SAME AREA FROM PRICE...SAWYER AND RUSK COUNTIES IN NORTH CENTRAL
WISCONSIN THIS MORNING. AN ADDITIONAL 2 TO 3 INCHES OF RAIN IS
POSSIBLE THAT COULD MAKE FLOODING PROBLEMS EVEN WORSE.
MOST AREA CREEKS AND FLOWAGE AREAS WILL BECOME FLOODED THIS MORNING
SO USE CAUTION WHEN TRAVELING IN TAYLOR COUNTY TODAY...ESPECIALLY
THE NORTHEAST PART OF THE COUNTY.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 4538 9004 4512 9004 4512 9018 4503 9020
4503 9093 4539 9092
$$
SHEA100
WGUS73 KARX 021333
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
833 AM CDT TUE AUG 2 2011
WIC119-021730-
/O.CON.KARX.FF.W.0020.000000T0000Z-110802T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAYLOR WI-
833 AM CDT TUE AUG 2 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR TAYLOR COUNTY WISCONSIN
UNTIL 1230 PM CDT...
AFTER 3 TO 4 INCHES OF RAIN HIT PARTS OF TAYLOR COUNTY IN NORTH
CENTRAL WISCONSIN THIS MORNING...ANOTHER AREA OF HEAVY RAIN WAS
MOVING THROUGH THAT SAME AREA AT MID MORNING. AN ADDITIONAL 2 TO 3
INCHES OF RAIN IS POSSIBLE THAT COULD MAKE MATTERS WORSE LEADING TO
ROAD CLOSURES OR WATER FLOWING OVER ROADWAYS.
AREAS OF THE COUNTY MOST LIKELY TO BE IMPACTED INCLUDE RIB
LAKE...WESTBORO...CHELSEA...JUMP RIVER AND POSSIBLY MEDFORD.
THERE HAVE BEEN REPORTS OF WATER OVER PARTS OF COUNTY ROAD M NEAR
CHELSEA THIS MORNING WITH MOST AREA DITCHES RUNNING FULL.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. BE CAREFUL NEAR THE SIDES OF ROADS WHERE WATER FILLED
DITCHES COULD CREATE A HAZARD. THE BLACK RIVER AND NEARBY CREEKS
WILL ALSO SEE RISES THIS MORNING.
&&
LAT...LON 4538 9004 4512 9004 4512 9018 4503 9020
4503 9093 4539 9092
$$
SHEA125
WGUS73 KARX 021434
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
934 AM CDT TUE AUG 2 2011
WIC119-021730-
/O.CON.KARX.FF.W.0020.000000T0000Z-110802T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAYLOR WI-
934 AM CDT TUE AUG 2 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR TAYLOR COUNTY UNTIL
1230 PM CDT...
A SECOND BATCH OF THUNDERSTORMS WITH HEAVY RAIN HAS MOVED THROUGH
TAYLOR COUNTY. AN ADDITIONAL 1 TO 2 INCHES MAY HAVE FALLEN IN
ADDITION TO THE 3 TO 4 THAT FELL OVERNIGHT. LUCKILY THE HEAVY RAIN
HAS SHIFTED EAST...AT LEAST FOR NOW.
NO ADDITIONAL FLOODING PROBLEMS HAVE BEEN REPORTED AS SUCH. DITCHES
REMAIN FULL AND THERE WAS WATER NEAR THE SIDES OF SOME COUNTY
ROADS...ESPECIALLY IN NORTH AND NORTHEAST PARTS OF TAYLOR COUNTY.
MORE THUNDERSTORMS ARE MOVING INTO NORTHWEST WISCONSIN AND COULD
MOVE TOWARDS THIS SAME AREA.
IF YOU HAVE TRAVEL PLANNED NORTH OF MEDFORD...OR NEAR WESTBORO AND
RIB LAKE WISCONSIN...USE CARE TODAY. SOME SMALLER ROADS COULD BE
WASHED OUT OR HAVE WATER OVER THEM. DRAINAGE AREAS WILL BE FULL.
NEVER DRIVE THROUGH FLOOD WATERS. BE CAREFUL NEAR THE SIDES OF ROADS
AS WELL.
&&
LAT...LON 4516 9061 4539 9092 4538 9004 4512 9004
4512 9018 4503 9020
$$
SHEA785
WGUS73 KARX 021614
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1114 AM CDT TUE AUG 2 2011
WIC119-021624-
/O.CAN.KARX.FF.W.0020.000000T0000Z-110802T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAYLOR WI-
1114 AM CDT TUE AUG 2 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR TAYLOR COUNTY IS
CANCELLED...
THE HEAVY RAIN THREAT HAS ENDED...ALTHOUGH ADDITIONAL LIGHTER RAIN
IS EXPECTED EARLY THIS AFTERNOON.
RAINFALL FROM THIS MORNING CAUSED FLOODING OF DITCHES AND DRAINAGE
AREAS. ALTHOUGH MINOR PROBLEMS HAVE BEEN REPORTED...REMAIN ALERT FOR
WATER ON OR NEAR ROADS.
IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW
ENFORCEMENT AGENCY.
LAT...LON 4516 9061 4539 9092 4538 9004 4512 9004
4512 9018 4503 9020
$$
SHEA/ZTThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:55 AM CDT | Heat Advisory | ARX | Crawford, Grant, Richland | 15 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.