Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 16, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Aug 11, 2016, 7:39 AM CDT for Clark County, Jackson County, Trempealeau County, Wisconsin. It was in force for 3 hr. 2 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 11, 2016, 7:39 AM CDT (12:39 UTC)
- Expired
- Aug 11, 2016, 11:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clark County, WI, Jackson County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 40 km from the middle of the area, began a volume at 12:42 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 11, 8:41 AM CDT | FLASH FLOOD | 3 Nw Trempealeau, WI | BUFFALO RIVER TRAIL WASHED OUT. |
| Aug 11, 8:41 AM CDT | FLASH FLOOD | Perrot State Park, WI | BUFFALO RIVER TRAIL WASHED OUT |
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, 0.7 hours before the alert went out and 210 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1072 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
454
WGUS53 KARX 111239
FFWARX
WIC019-053-121-111600-
/O.NEW.KARX.FF.W.0016.160811T1239Z-160811T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
739 AM CDT THU AUG 11 2016
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN CLARK COUNTY IN CENTRAL WISCONSIN...
JACKSON COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHEASTERN TREMPEALEAU COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 1100 AM CDT
* AT 737 AM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO
TWO INCHES OF RAIN HAS ALREADY FALLEN, AND ANOTHER INCH OR TWO IS
POSSIBLE THROUGH 9 AM. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BLACK RIVER FALLS...NEILLSVILLE...TREMPEALEAU...GALESVILLE...
BLAIR...NORTH BEND...HATFIELD...HUMBIRD...SHERWOOD...
MERRILLAN AND ETTRICK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS. CULVERTS AND DITCHES ARE SUSCEPTIBLE TO OVERFLOW AND WASHOUT.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4416 9091 4413 9098 4407 9097 4407 9115
4409 9119 4405 9122 4407 9127 4407 9131
4403 9134 4398 9133 4398 9142 4401 9146
4402 9155 4425 9154 4432 9117 4459 9117
4459 9092 4474 9032 4415 9032
$$
MW1 follow-up statement
066
WGUS73 KARX 111402
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
902 AM CDT THU AUG 11 2016
WIC019-053-121-111406-
/O.CAN.KARX.FF.W.0016.000000T0000Z-160811T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK WI-JACKSON WI-TREMPEALEAU WI-
902 AM CDT THU AUG 11 2016
...THE FLASH FLOOD WARNING FOR SOUTHERN CLARK...JACKSON AND
SOUTHEASTERN TREMPEALEAU COUNTIES IS CANCELLED...
WHILE BRIEF HEAVY RAIN FELL IN THIS AREA, THEY DID NOT HAVE THE
HEAVIEST RAIN FROM EARLIER AND THEREFORE FLOODING HAS NOT BEEN
REPORTED.
FLOODING DOES CONTINUE THOUGH IN OTHER PARTS OF TREMPEALEAU AND
CLARK COUNTIES WHERE OTHER WARNINGS REMAIN IN EFFECT.
LAT...LON 4416 9091 4413 9098 4407 9097 4407 9115
4409 9119 4405 9122 4407 9127 4407 9131
4403 9134 4398 9133 4398 9142 4401 9146
4402 9155 4425 9154 4432 9117 4459 9117
4459 9092 4474 9032 4415 9032
$$
SHEAThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 4:01 AM CDT | Areal Flood Advisory | ARX | Buffalo, Trempealeau | 5 hr |
| Aug 11, 4:05 AM CDT | Flash Flood Watch | ARX | Adams, Buffalo, Clark, Crawford, Grant, Jackson and 7 more | 24 hr |
| Aug 11, 6:03 AM CDT | Special Weather Statement | ARX | Buffalo, La Crosse, Trempealeau | 87 min |
| Aug 11, 6:23 AM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 4 hr |
| Aug 11, 6:45 AM CDT | Flash Flood Warning | ARX | Clark, Taylor | 4 hr |
| Aug 11, 7:30 AM CDT | Special Weather Statement | ARX | Clark, Jackson | 45 min |
| Aug 11, 8:47 AM CDT | Special Weather Statement | ARX | Adams, Juneau | 43 min |
| Aug 11, 9:09 AM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 5 days |
| Aug 11, 10:16 AM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 3 hr |
| Aug 11, 1:16 PM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 3 hr |
| Aug 11, 1:40 PM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 39 hr |
| Aug 11, 4:19 PM CDT | Areal Flood Warning | ARX | Buffalo, Trempealeau | 6 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2016Every flash flood warning in 2016
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.