Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 36, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Sep 21, 2016, 8:26 AM CDT for 4 counties in Wisconsin. It was in force for 3 hr. 7 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
- Sep 21, 2016, 8:26 AM CDT (13:26 UTC)
- Expired
- Sep 21, 2016, 11:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jackson County, WI, La Crosse County, WI, Monroe County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 19 km from the middle of the area, began a volume at 13:26 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 |
|---|---|---|---|
| Sep 21, 8:29 AM CDT | HEAVY RAIN 4.31 | Ettrick, WI | WATER OUT OF CREEK BEDS. |
| Sep 21, 8:59 AM CDT | HEAVY RAIN 2.69 | West Salem, WI | |
| Sep 21, 9:30 AM CDT | FLASH FLOOD | 5 Nnw Bangor, WI | WATER OVER LOW AREAS ALONG COUNTY HIGHWAYS/ROADS C, DE, E, AND 108. MUDSLIDES ALSO REPORTED. |
| Sep 21, 9:38 AM CDT | FLASH FLOOD | Ettrick, WI | WASHOUTS REPORTED ON D AND DD WHICH IS 1 MILE EAST OF ETTRICK...AND T AND TT WHICH IS 2 MILES SOUTHWEST OF ETTRICK. |
| Sep 21, 9:38 AM CDT | FLASH FLOOD | Sparta, WI | STREET FLOODING - 3 TO 6 INCHES OF WATER ON STREETS. ALSO REPORTS OF WATER ON ROADS ACROSS WESTERN MONROE COUNTY. |
| Sep 21, 10:50 AM CDT | FLASH FLOOD | 3 Ne West Salem, WI | STATE HIGHWAY 108 CLOSED BETWEEN COUNTY ROAD DE AND COUNTY ROAD T DUE TO HIGH WATER. |
| Sep 21, 10:50 AM CDT | FLASH FLOOD | 4 Nw Bangor, WI | STATE HIGHWAY 108 CLOSED BETWEEN COUNTY ROAD DE AND COUNTY ROAD T DUE TO HIGH WATER |
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, 1.4 hours before the alert went out and 222 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
- 515 J/kg
- Mixed-layer CIN
- -331 J/kg
- Mixed-layer LCL
- 738 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.5
The text
As transmitted.
267
WGUS53 KARX 211326
FFWARX
WIC053-063-081-121-211630-
/O.NEW.KARX.FF.W.0036.160921T1326Z-160921T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
826 AM CDT WED SEP 21 2016
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN MONROE COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHWESTERN JACKSON COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHEASTERN TREMPEALEAU COUNTY IN WEST CENTRAL WISCONSIN...
LA CROSSE COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 1130 AM CDT
* AT 824 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUING
TO PRODUCE HEAVY RAIN ACROSS THE WARNED AREA. UP TO 4 INCHES OF
RAIN HAVE ALREADY FALLEN. IN THE MINDORO AREA THERE WERE REPORTS
OF SOME WATER OVER ROADS WITH DITCHES FULL. AN ADDITIONAL 1 TO 2
INCHES OF RAIN WILL CAUSE FLASH FLOODING TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SPARTA...HOLMEN...WEST SALEM...GALESVILLE...BANGOR...CASHTON...
NORTH BEND...CATARACT...FRANKLIN...LEON...PORTLAND...BURNS...
NORWALK...ROCKLAND...ETTRICK...MELROSE AND MELVINA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
&&
LAT...LON 4373 9055 4373 9108 4389 9117 4395 9127
4401 9136 4406 9135 4410 9134 4424 9140
4421 9108 4409 9082
$$
AJ1 follow-up statement
386
WGUS73 KARX 211452
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
952 AM CDT WED SEP 21 2016
WIC053-063-081-121-211630-
/O.CON.KARX.FF.W.0036.000000T0000Z-160921T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE WI-JACKSON WI-TREMPEALEAU WI-LA CROSSE WI-
952 AM CDT WED SEP 21 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT FOR
WESTERN MONROE...SOUTHWESTERN JACKSON...SOUTHEASTERN TREMPEALEAU AND
LA CROSSE COUNTIES...
AT 942 AM CDT...LOCAL LAW ENFORCEMENT REPORTED WATER ON ROADWAYS ON
MANY ROADS ACROSS EASTERN LA CROSSE COUNTY AND WESTERN MONROE
COUNTY...INCLUDING LOCATIONS SUCH AS SPARTA AND MINDORO. WASHOUTS
HAVE OCCURRED TO COUNTY ROADWAYS NEAR ETTRICK. A FEW MUDSLIDES HAVE
BEEN REPORTED AS WELL.
ALTHOUGH THE RAIN IS ENDING...THE 3 TO 5 INCHES THAT HAS ALREADY
FALLEN WILL CONTINUE THE CONCERN FOR FLOODING...ESPECIALLY IN LOW
LYING AREAS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SPARTA...HOLMEN...WEST SALEM...GALESVILLE...BANGOR...CASHTON...
NORTH BEND...CATARACT...FRANKLIN...LEON...PORTLAND...BURNS...
NORWALK...ROCKLAND...ETTRICK...MELROSE AND MELVINA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
&&
LAT...LON 4373 9055 4373 9108 4389 9117 4395 9127
4401 9136 4406 9135 4410 9134 4424 9140
4421 9108 4409 9082
$$
AJThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 11:26 PM CDT | Special Weather Statement | ARX | Buffalo | 109 min |
| Sep 21, 12:11 AM CDT | Special Weather Statement | ARX | Clark, Jackson, Trempealeau | 109 min |
| Sep 21, 12:21 AM CDT | Severe Thunderstorm Warning | ARX | Jackson, Trempealeau | 41 min |
| Sep 21, 1:25 AM CDT | Special Weather Statement | ARX | Adams, Buffalo, Clark, Jackson, Juneau, La Crosse and 3 more | 110 min |
| Sep 21, 1:45 AM CDT | Severe Thunderstorm Warning | ARX | Adams | 28 min |
| Sep 21, 2:23 AM CDT | Special Weather Statement | ARX | Crawford, La Crosse, Monroe, Richland, Vernon | 67 min |
| Sep 21, 3:31 AM CDT | Special Weather Statement | ARX | Buffalo, Jackson, La Crosse, Trempealeau | 119 min |
| Sep 21, 5:40 AM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 3 hr |
| Sep 21, 6:44 AM CDT | Flash Flood Warning | ARX | Crawford, Vernon | 6 hr |
| Sep 21, 10:10 AM CDT | River Flood Warning | ARX | Jackson | 3 days |
| Sep 21, 10:10 AM CDT | River Flood Warning | ARX | La Crosse, Trempealeau | 6 days |
| Sep 21, 10:10 AM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 4 days |
| Sep 21, 10:10 AM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 7 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Richland, Vernon | 4 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Vernon | 5 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Crawford | 5 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Crawford | 7 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Crawford | 8 days |
| Sep 21, 11:31 AM CDT | Flash Flood Warning | ARX | La Crosse, Monroe | 3 hr |
| Sep 21, 12:55 PM CDT | Special Weather Statement | ARX | Trempealeau | 50 min |
| Sep 21, 1:01 PM CDT | Special Weather Statement | ARX | Richland | 44 min |
| Sep 21, 1:05 PM CDT | Special Weather Statement | ARX | Clark | 55 min |
| Sep 21, 2:13 PM CDT | Flash Flood Warning | ARX | Clark | 5 hr |
| Sep 21, 2:54 PM CDT | Special Weather Statement | ARX | Adams | 21 min |
| Sep 21, 2:59 PM CDT | Special Weather Statement | ARX | Jackson | 46 min |
| Sep 21, 4:43 PM CDT | River Flood Warning | ARX | Juneau | 7 days |
| Sep 21, 5:33 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 42 min |
| Sep 21, 5:44 PM CDT | Special Weather Statement | ARX | Adams, Juneau | 46 min |
| Sep 21, 5:57 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau, Monroe | 48 min |
| Sep 21, 6:58 PM CDT | Flash Flood Warning | ARX | Adams | 4 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.