Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 50, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Sep 22, 2016, 12:48 AM CDT for Allamakee County, Iowa; Crawford County, Richland County, Vernon County, Wisconsin. It was in force for 6 hr. 18 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 22, 2016, 12:48 AM CDT (05:48 UTC)
- Expired
- Sep 22, 2016, 6:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allamakee County, IA, Crawford County, WI, Richland County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 65 km from the middle of the area, began a volume at 05:47 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 22, 2:04 AM CDT | FLASH FLOOD | 1 Ssw Viroqua, WI | 4 FEET OF WATER ON MAIN STREET IN VIROQUA. . |
| Sep 22, 2:05 AM CDT | FLASH FLOOD | De Soto, WI | WATER OVER HIGHWAY 35. . |
| Sep 22, 3:30 AM CDT | FLASH FLOOD | 3 Se Viola, WI | MUDSLIDE. BOULDERS OVER THE ROAD. TIME ESTIMATED. . |
| Sep 22, 4:22 AM CDT | FLASH FLOOD | 2 Ese Viola, WI | 3 FEET OF WATER IN A HOUSE. . |
| Sep 22, 4:25 AM CDT | FLASH FLOOD | 4 Se Gillingham, WI | ABOUT 5 ROADS ARE CLOSED DUE TO FLOODING AT THIS TIME IN THE COUNTY. . |
| Sep 22, 4:34 AM CDT | FLASH FLOOD | 3 Ne Waukon, IA | ABOUT 4-5 MUDSLIDES HAVE OCCURRED THROUGH THE COUNTY. . |
| Sep 22, 4:34 AM CDT | FLASH FLOOD | 5 Wnw Eastman, WI | HIGHWAY 35 WASHED OUT. LOCATION APPROXIMATE. . |
| Sep 22, 4:34 AM CDT | FLASH FLOOD | La Farge, WI | WEST SIDE OF LA FARGE IS FLOODED. HIGHWAY 131 NORTH AND SOUTH OF TOWN ARE CLOSED DUE TO FLOODING. IN ADDITION HIGHWAY 82 WEST OF TOWN IS ALSO CLOSED DUE TO FLOODING. |
| Sep 22, 5:39 AM CDT | FLASH FLOOD | 1 S De Soto, WI | MUDSLIDE OVER WESTBOUND HIGHWAY 82. |
| Sep 22, 5:45 AM CDT | HEAVY RAIN 5.1 | 1 S De Soto, WI | CO-OP OBSERVER STATION DE SOTO 1SE /VICW3/. |
| Sep 22, 5:45 AM CDT | HEAVY RAIN 5.1 | 1 S De Soto, WI | CO-OP OBSERVER STATION DE SOTO 1SE /VICW3/. THE DURATION OF THE HEAVY RAIN EVENT WAS 24 HOURS. |
| Sep 22, 6:00 AM CDT | HEAVY RAIN 3.34 | 5 Nw Eastman, WI | CO-OP OBSERVER STATION LYNXVILLE DAM 9 /LYNW3/. |
| Sep 22, 6:29 AM CDT | FLASH FLOOD | Ferryville, WI | TRAIN DERAILMENT NEAR FERRYVILLE. |
| Sep 22, 6:29 AM CDT | FLASH FLOOD | Prairie Du Chien, WI | HIGHWAY 35 CLOSED BETWEEN DE SOTO AND PRAIRIE DU CHIEN. |
| Sep 22, 6:35 AM CDT | HEAVY RAIN 3.39 | 3 Sse Steuben, WI | CO-OP OBSERVER STATION STEUBEN 4SE /SBNW3/. |
| Sep 22, 6:37 AM CDT | FLASH FLOOD | De Soto, WI | FLOODING REPORTED IN TOWN. |
| Sep 22, 6:37 AM CDT | FLASH FLOOD | Readstown, WI | FLOODING REPORTED IN TOWN. |
| Sep 22, 6:55 AM CDT | HEAVY RAIN 4.57 | 2 Nnw Viroqua, WI | AWOS STATION VIROQUA MUNICIPAL AIRPORT /Y51/. |
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, 5.8 hours before the alert went out and 190 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
- 560 J/kg
- Mixed-layer CIN
- -186 J/kg
- Mixed-layer LCL
- 1439 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
378
WGUS53 KARX 220548
FFWARX
IAC005-WIC023-103-123-221145-
/O.NEW.KARX.FF.W.0050.160922T0548Z-160922T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1248 AM CDT THU SEP 22 2016
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ALLAMAKEE COUNTY IN NORTHEASTERN IOWA...
CRAWFORD COUNTY IN SOUTHWESTERN WISCONSIN...
VERNON COUNTY IN SOUTHWESTERN WISCONSIN...
RICHLAND COUNTY IN SOUTHWESTERN WISCONSIN...
* UNTIL 645 AM CDT THURSDAY
* AT 1243 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN MOVING TOWARD THE WARNED AREA. THERE ARE ALREADY MINOR
WATER AND FLOODING ISSUES IN THIS AREA FROM WEDNESDAY MORNINGS
RAIN...AND 2 TO 3 INCHES OF ADDITIONAL RAIN COULD FALL BY 4 AM.
* FLASH FLOODING IS EXPECTED TO BEGIN OR WORSEN OVERNIGHT. BE VERY
CAREFUL IF TRAVELING TONIGHT!
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PRAIRIE DU CHIEN...RICHLAND CENTER...VIROQUA...WAUKON...LANSING...
BOSCOBEL...POSTVILLE...WESTBY...HILLSBORO...COON VALLEY...
LA FARGE...CLAYTON...NEW ALBIN...HARPERS FERRY...
YUBA AND THE PINE RIVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST
FLOOD DEATHS OCCUR IN VEHICLES. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN
IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.
&&
LAT...LON 4317 9020 4321 9029 4321 9055 4317 9069
4312 9074 4306 9094 4299 9106 4299 9116
4308 9118 4308 9161 4350 9161 4350 9122
4358 9123 4361 9127 4373 9126 4373 9031
4356 9031 4355 9019 4318 9020
$$
BAUMGARDT2 follow-up statements
562
WGUS73 KARX 220653
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
153 AM CDT THU SEP 22 2016
IAC005-WIC023-103-123-221145-
/O.CON.KARX.FF.W.0050.000000T0000Z-160922T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLAMAKEE IA-CRAWFORD WI-VERNON WI-RICHLAND WI-
153 AM CDT THU SEP 22 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
ALLAMAKEE...CRAWFORD...VERNON AND RICHLAND COUNTIES...
AT 147 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN FROM HILLSBORO TO VIROQUA WISCONSIN...TO LANSING
IOWA...AND TO WAUKON. THIS LINE WAS SHIFTING SOUTHEAST AT 30
MPH.
* THROUGH 4 AM...STORMS WILL SHIFT INTO CRAWFORD AND RICHLAND
COUNTIES.
* THE STORMS ARE PRODUCING 1 TO 2 INCH RAINFALL RATES AND WILL
INCREASE FLASH FLOODING.
* BY THE PRE-SUNRISE HOURS...MORE WIDESPREAD FLASH FLOODING IS
EXPECTED WITH BASEMENT FLOODING...ROADS COVERED WITH WATER...AND
MANY CREEKS OR STREAMS OUT OF THEIR BANKS.
* MUDSLIDES ARE ALSO EXPECTED ON STEEP TERRAIN.
* TRAVEL WILL BECOME MORE DANGEROUS...ESPECIALLY IN THE DARKNESS
WHEN FLOODING IS HARD TO SEE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PRAIRIE DU CHIEN...RICHLAND CENTER...VIROQUA...WAUKON...LANSING...
BOSCOBEL...POSTVILLE...WESTBY...HILLSBORO...LA FARGE...CLAYTON...
NEW ALBIN...HARPERS FERRY...GERMANTOWN...HARDIN...WESTPORT...
NEWTON AND EXCELSIOR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4317 9020 4321 9029 4321 9055 4317 9069
4312 9074 4306 9094 4299 9106 4299 9116
4308 9118 4308 9161 4350 9161 4350 9122
4358 9123 4361 9127 4373 9126 4373 9031
4356 9031 4355 9019 4318 9020
$$
DAB730
WGUS73 KARX 220933
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
433 AM CDT THU SEP 22 2016
IAC005-WIC023-103-123-221145-
/O.CON.KARX.FF.W.0050.000000T0000Z-160922T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLAMAKEE IA-CRAWFORD WI-VERNON WI-RICHLAND WI-
433 AM CDT THU SEP 22 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
ALLAMAKEE...CRAWFORD...VERNON AND RICHLAND COUNTIES...
* AT 430 AM CDT...DOPPLER RADAR INDICATED THE HEAVIEST RAINFALL OF 1
TO 2 INCHES PER HOUR HAD SHIFTED SOUTH AND OUT OF THE AREA.
HOWEVER...LIGHTER RAIN WILL CONTINUE THROUGH THE EARLY MORNING.
* TRAVEL IS DANGEROUS ACROSS THIS AREA AND SHOULD BE AVOIDED. RADAR
INDICATED 2 TO 6 INCHES OF RAIN FELL IN THIS AREA.
* LAW ENFORCEMENT REPORTS MANY MUDSLIDES...ROADS CLOSED...AND
VEHICLES STRANDED IN WATER ACROSS THE WARNING AREA. SOME RESCUES
HAVE OCCURRED.
* WATER HAS BEEN REPORTED IN HOMES ALSO.
* HIGHWAY 35 IS WASHED OUT BETWEEN LYNXVILLE AND PRAIRIE DU CHIEN.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LA FARGE...HILLSBORO...VIROQUA...YUBA...VIOLA...DESOTO...
RICHLAND CENTER...WAUKON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4317 9020 4321 9029 4321 9055 4317 9069
4312 9074 4306 9094 4299 9106 4299 9116
4308 9118 4308 9161 4350 9161 4350 9122
4358 9123 4361 9127 4373 9126 4373 9031
4356 9031 4355 9019 4318 9020
$$
DABThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:05 PM CDT | Flash Flood Warning | ARX | Chickasaw | 5 hr |
| Sep 21, 7:11 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 49 min |
| Sep 21, 7:34 PM CDT | Tornado Warning | ARX | Floyd | 41 min |
| Sep 21, 8:11 PM CDT | Flash Flood Warning | ARX | Floyd | 8 hr |
| Sep 21, 8:44 PM CDT | Special Weather Statement | ARX | Allamakee, Winneshiek | 46 min |
| Sep 21, 9:19 PM CDT | Special Weather Statement | ARX | Clayton, Fayette | 56 min |
| Sep 21, 10:13 PM CDT | Special Weather Statement | ARX | Clayton, Fayette | 62 min |
| Sep 22, 12:04 AM CDT | Flash Flood Warning | ARX | Chickasaw | 4 hr |
| Sep 22, 12:13 AM CDT | Special Weather Statement | ARX | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 2 hr |
| Sep 22, 1:00 AM CDT | Flash Flood Warning | ARX | Howard, Mitchell, Winneshiek | 6 hr |
| Sep 22, 2:20 AM CDT | Flash Flood Warning | ARX | Chickasaw, Fayette, Floyd | 6 hr |
| Sep 22, 3:55 AM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd | 4 hr |
| Sep 22, 4:09 AM CDT | Flash Flood Warning | ARX | Clayton | 6 hr |
| Sep 22, 4:53 AM CDT | River Flood Warning | ARX | Mitchell | 3 days |
| Sep 22, 4:53 AM CDT | River Flood Warning | ARX | Floyd | 4 days |
| Sep 22, 5:39 AM CDT | River Flood Warning | ARX | Allamakee | 70 hr |
| Sep 22, 6:51 AM CDT | Flash Flood Warning | ARX | Allamakee | 3 hr |
| Sep 22, 7:00 AM CDT | Areal Flood Warning | ARX | Howard, Mitchell, Winneshiek | 6 hr |
| Sep 22, 8:02 AM CDT | Flash Flood Warning | ARX | Chickasaw, Fayette, Floyd | 5 hr |
| Sep 22, 9:00 AM CDT | River Flood Warning | ARX | Clayton | 5 days |
| Sep 22, 9:00 AM CDT | River Flood Warning | ARX | Clayton | 4 days |
| Sep 22, 9:38 AM CDT | Flash Flood Warning | ARX | Allamakee | 3 hr |
| Sep 22, 10:19 AM CDT | Flash Flood Warning | ARX | Clayton | 3 hr |
| Sep 22, 11:20 AM CDT | River Flood Warning | ARX | Allamakee, Clayton | 10 days |
| Sep 22, 11:20 AM CDT | River Flood Warning | ARX | Clayton | 9 days |
| Sep 22, 12:58 PM CDT | Areal Flood Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 21 hr |
| Sep 21, 7:06 PM CDT | Flash Flood Warning | ARX | Clark | 5 hr |
| Sep 21, 11:11 PM CDT | Areal Flood Warning | ARX | La Crosse | 3 hr |
| Sep 21, 11:55 PM CDT | Flash Flood Warning | ARX | Clark | 6 hr |
| Sep 22, 2:21 AM CDT | River Flood Warning | ARX | Clark | 22 hr |
| Sep 22, 2:38 AM CDT | River Flood Warning | ARX | Richland, Vernon | 43 hr |
| Sep 22, 3:09 AM CDT | Areal Flood Warning | ARX | La Crosse | 12 hr |
| Sep 22, 4:21 AM CDT | River Flood Warning | ARX | Monroe, Vernon | 29 hr |
| Sep 22, 5:28 AM CDT | Areal Flood Warning | ARX | Clark | 24 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2016Flash Flood Warnings in Iowa, 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.