Alert archive / Wisconsin / Flash Flood Warnings in 2015
Flash Flood Warning 8, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Sep 8, 2015, 5:56 AM CDT for Buffalo County, Jackson County, Trempealeau County, Wisconsin. It was in force for 4 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
- Sep 8, 2015, 5:56 AM CDT (10:56 UTC)
- Expired
- Sep 8, 2015, 10:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Buffalo County, WI, Jackson County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 81 km from the middle of the area, began a volume at 10:59 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, 10.9 hours before the alert went out and 171 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
- 2 J/kg
- Mixed-layer CIN
- -222 J/kg
- Mixed-layer LCL
- 1495 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
522
WGUS53 KARX 081056
FFWARX
WIC011-053-121-081500-
/O.NEW.KARX.FF.W.0008.150908T1056Z-150908T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
556 AM CDT TUE SEP 8 2015
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN JACKSON COUNTY IN WEST CENTRAL WISCONSIN...
NORTHERN TREMPEALEAU COUNTY IN WEST CENTRAL WISCONSIN...
NORTHERN BUFFALO COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 1000 AM CDT
* AT 553 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAINFALL MOVING ACROSS THE WARNED AREA. LESS THAN AN INCH OF
RAIN HAS FALLEN SO FAR...BUT 1 TO 2 INCHES IS ANTICIAPTED IN THE
NEXT HOUR OR TWO. WITH RECENT FLOODING IN THIS AREA...FLASH
FLOODING MAY BEGIN AGAIN QUICKLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MONDOVI...OSSEO...STRUM...ELEVA...PIGEON FALLS...AND NELSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4459 9202 4460 9178 4460 9092 4451 9092
4451 9080 4442 9079 4440 9205 4442 9208
$$
MW4 follow-up statements
655
WGUS73 KARX 081202
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
702 AM CDT TUE SEP 8 2015
WIC011-053-121-081500-
/O.CON.KARX.FF.W.0008.000000T0000Z-150908T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON WI-TREMPEALEAU WI-BUFFALO WI-
702 AM CDT TUE SEP 8 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR
NORTHWESTERN JACKSON...NORTHERN TREMPEALEAU AND NORTHERN BUFFALO
COUNTIES...
AT 645 AM CDT...LOCAL LAW ENFORCEMENT REPORTED SOME STREET FLOODING
DUE TO HEAVY THUNDERSTORM RAINFALL. RADAR ESTIMATES THAT TONE TO TWO
INCHES OF RAIN HAS ALREADY FALLEN...AND AN ADDITIONAL HALF INCH IS
POSSIBLE.
THIS RAINFALL IS AFFECTING THE SAME GENERAL AREA THAT RECEIVED THE
HEAVY RAINFALL SUNDAY NIGHT. THIS MAY RESULT IN RENEWED FLOODING
PROBLEMS FOR THOSE LOCATIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4459 9202 4460 9178 4460 9092 4451 9092
4451 9080 4442 9079 4440 9205 4442 9208
$$
MW734
WGUS73 KARX 081326
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
826 AM CDT TUE SEP 8 2015
WIC011-053-121-081500-
/O.CON.KARX.FF.W.0008.000000T0000Z-150908T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON WI-TREMPEALEAU WI-BUFFALO WI-
826 AM CDT TUE SEP 8 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR
NORTHWESTERN JACKSON...NORTHERN TREMPEALEAU AND NORTHERN BUFFALO
COUNTIES...
AT 820 AM...THIS LATEST AREA OF HEAVY RAIN WAS SHIFTING OUT OF THE
WARNED AREA. BUT 1 TO 2 INCHES OF RAIN THIS MORNING...COMBINED WITH
RECENT HEAVY RAIN AND FLOODING...IS LEADING TO NEW FLASH FLOODING
THREATS.
BUFFALO COUNTY EMERGENCY MANAGEMENT REPORTS ROAD CLOSURES NEAR
HIGHWAY 37 AND COUNTY ROAD B...ALLMANN ROAD AND THE BUFFALO RIVER...
AND SEGERSTROM ROAD AND THE BUFFALO RIVER. EVACUATIONS WERE
RECOMMENDED ALONG THE BUFFALO RIVER FROM COUNTY ROAD KK ON HIGHWAY
37 TO HIGHWAY 10 TO THE EASTERN BUFFALO COUNTY LINE.
JACKSON COUNTY IS NOT REPORTING ANY PROBLEMS AT THIS TIME.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4459 9202 4460 9178 4460 9092 4451 9092
4451 9080 4442 9079 4440 9205 4442 9208
$$
SHEA351
WGUS73 KARX 081328 CCA
FFSARX
FLASH FLOOD STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE LA CROSSE WI
826 AM CDT TUE SEP 8 2015
WIC011-053-121-081500-
/O.CON.KARX.FF.W.0008.000000T0000Z-150908T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON WI-TREMPEALEAU WI-BUFFALO WI-
826 AM CDT TUE SEP 8 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR
NORTHWESTERN JACKSON...NORTHERN TREMPEALEAU AND NORTHERN BUFFALO
COUNTIES...
AT 820 AM...THIS LATEST AREA OF HEAVY RAIN WAS SHIFTING OUT OF THE
WARNED AREA. BUT 1 TO 2 INCHES OF RAIN THIS MORNING...COMBINED WITH
RECENT HEAVY RAIN AND FLOODING...IS LEADING TO NEW FLASH FLOODING
THREATS.
BUFFALO COUNTY EMERGENCY MANAGEMENT REPORTS ROAD CLOSURES NEAR
HIGHWAY 37 AND COUNTY ROAD B...ALLMANN ROAD AND THE BUFFALO RIVER...
AND SEGERSTROM ROAD AND THE BUFFALO RIVER.
JACKSON COUNTY IS NOT REPORTING ANY PROBLEMS AT THIS TIME.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4459 9202 4460 9178 4460 9092 4451 9092
4451 9080 4442 9079 4440 9205 4442 9208
$$
SHEA353
WGUS73 KARX 081454
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
954 AM CDT TUE SEP 8 2015
WIC011-053-121-081500-
/O.EXP.KARX.FF.W.0008.000000T0000Z-150908T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON WI-TREMPEALEAU WI-BUFFALO WI-
954 AM CDT TUE SEP 8 2015
...THE FLASH FLOOD WARNING FOR NORTHWESTERN JACKSON...NORTHERN
TREMPEALEAU AND NORTHERN BUFFALO COUNTIES WILL EXPIRE AT 1000 AM
CDT...
THE HEAVY RAIN THREAT FROM THIS MORNING HAS ENDED. THE FLASH FLOOD
WARNING WILL EXPIRE AT 10 AM.
THERE ARE STILL SOME ROAD CLOSURES AND EROSION RELATED DAMAGE IN
THIS AREA...ESPECIALLY NEAR THE BUFFALO RIVER. USE CAUTION WHEN
TRAVELING THROUGH THIS AREA AND HEED ALL ROAD CLOSURE SIGNS.
LAT...LON 4459 9202 4460 9178 4460 9092 4451 9092
4451 9080 4442 9079 4440 9205 4442 9208
$$
SHEAThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 2:43 AM CDT | Flash Flood Watch | ARX | Buffalo, Clark, Crawford, Grant, Jackson, La Crosse and 4 more | 7 hr |
| Sep 8, 6:05 AM CDT | Areal Flood Advisory | ARX | La Crosse | 3 hr |
| Sep 8, 7:17 AM CDT | Areal Flood Advisory | ARX | Adams, Juneau, Monroe, Vernon | 118 min |
Nearby
Flash Flood Warnings in Wisconsin, 2015Every flash flood warning in 2015
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.