Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 55, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Sep 22, 2016, 6:51 AM CDT for Crawford County, Richland County, Vernon County, Wisconsin; Allamakee County, Iowa. It was in force for 3 hr. 26 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, 6:51 AM CDT (11:51 UTC)
- Expired
- Sep 22, 2016, 9:45 AM CDT
- In force
- 3 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), 63 km from the middle of the area, began a volume at 11:51 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, 6:55 AM CDT | HEAVY RAIN 4.57 | 2 Nnw Viroqua, WI | AWOS STATION VIROQUA MUNICIPAL AIRPORT /Y51/. |
| Sep 22, 7:00 AM CDT | HEAVY RAIN 3.51 | 4 Ssw Rockbridge, WI | CO-OP OBSERVER STATION RICHLAND CENTER 4N /RCRW3/. |
| Sep 22, 7:00 AM CDT | HEAVY RAIN 3.94 | 1 Se Ferryville, WI | COCORAHS STATION FERRYVILLE /WI-CR-3/. |
| Sep 22, 7:00 AM CDT | HEAVY RAIN 3.94 | 1 Se Ferryville, WI | MESONET STATION FERRYVILLE 1SE /FERW3/. |
| Sep 22, 7:00 AM CDT | HEAVY RAIN 4.07 | 3 Ene Westby, WI | CO-OP OBSERVER STATION WESTBY 3ENE /WESW3/. |
| Sep 22, 7:00 AM CDT | HEAVY RAIN 4.73 | 1 Wsw Hillsboro, WI | CO-OP OBSERVER STATION HILLSBORO WSW /HBOW3/. |
| Sep 22, 7:00 AM CDT | HEAVY RAIN 5.48 | 1 W Viroqua, WI | COCORAHS STATION VIROQUA /WI-VR-5/. |
| Sep 22, 7:00 AM CDT | HEAVY RAIN 5.6 | 1 Ese Viroqua, WI | COCORAHS STATION VIROQUA 0.8 ESE /WI-VR-2/. |
| Sep 22, 7:00 AM CDT | HEAVY RAIN 5.61 | 2 Wsw Hillsboro, WI | CO-OP OBSERVER STATION HILLSBORO 2SW /HLBW3/. |
| Sep 22, 7:00 AM CDT | HEAVY RAIN 5.68 | 2 Ssw Viola, WI | CO-OP OBSERVER STATION READSTOWN 4NE /RTNW3/. |
| Sep 22, 7:15 AM CDT | HEAVY RAIN 5.32 | La Farge, WI | CO-OP OBSERVER STATION LA FARGE /LAFW3/. |
| Sep 22, 7:18 AM CDT | HEAVY RAIN 4.13 | Mount Sterling, WI | . |
| Sep 22, 7:27 AM CDT | HEAVY RAIN 2.97 | 1 Nw Mount Zion, WI | . |
| Sep 22, 7:29 AM CDT | HEAVY RAIN 4.46 | Readstown, WI | . |
| Sep 22, 7:44 AM CDT | FLASH FLOOD | 2 Nw Boscobel, WI | LARGE BOULDER ON HIGHWAY - MUDSLIDE |
| Sep 22, 7:44 AM CDT | FLASH FLOOD | 2 Nw Boscobel, WI | LARGE BOULDER ON HIGHWAY - MUDSLIDE. |
| Sep 22, 8:00 AM CDT | HEAVY RAIN 5 | 3 Sw Cashton, WI | . |
| Sep 22, 8:00 AM CDT | HEAVY RAIN 5 | 3 Sw Cashton, WI | . THE DURATION OF THE HEAVY RAIN EVENT WAS 48 HOURS. |
| Sep 22, 8:03 AM CDT | HEAVY RAIN 5.3 | 4 Wnw Viola, WI | COCORAHS STATION 3 WNW VIOLA /WI-VR-3/. |
| Sep 22, 8:45 AM CDT | HEAVY RAIN 3.6 | 5 Sw Waukon Jct, IA | MESONET STATION 4 ENE WATSON /YRII4/. |
| Sep 22, 8:45 AM CDT | HEAVY RAIN 4.97 | Steuben, WI | MESONET STATION STEUBEN /STEW3/. |
| Sep 22, 9:00 AM CDT | HEAVY RAIN 3 | Ontario, WI | CO-OP OBSERVER STATION ONTARIO /ONTW3/. |
| Sep 22, 9:00 AM CDT | HEAVY RAIN 5.33 | Readstown, WI | MESONET STATION READSTOWN /REAW3/. |
| Sep 22, 9:07 AM CDT | HEAVY RAIN 3.19 | 3 Wnw Waukon Jct, IA | MESONET STATION 3 SE WATERVILLE /YSPI4/. |
| Sep 22, 9:26 AM CDT | FLASH FLOOD | 2 N Lansing, IA | CREEKS AND RIVERS STILL RISING QUICKLY. MUDSLIDES BRINGING TREES ON TO HIGHWAYS. |
| Sep 22, 9:26 AM CDT | FLASH FLOOD | 2 Nnw Lansing, IA | CREEKS AND RIVERS STILL RISING QUICKLY. MUDSLIDES BRINGING TREES ON TO HIGHWAYS. |
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, 11.9 hours before the alert went out and 191 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.
654
WGUS53 KARX 221151
FFWARX
IAC005-WIC023-103-123-221445-
/O.NEW.KARX.FF.W.0055.160922T1151Z-160922T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
651 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 945 AM CDT
* AT 645 AM CDT...DOPPLER RADAR AND RAINFALL OBSERVERS INDICATE THAT
4 TO 8 INCHES HAS FALLEN ACROSS THE WARNED AREA SINCE WEDNESDAY.
FLASH FLOODING IS ALREADY OCCURRING AND MANY ROADS ACROSS THESE
COUNTIES ARE CURRENTLY CLOSED DUE TO MUD SLIDES OR FLOODING. THIS
INCLUDES HIGHWAY 35 BETWEEN DE SOTO AND PRAIRIE DU CHIEN.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PRAIRIE DU CHIEN...RICHLAND CENTER...VIROQUA...WAUKON...LANSING...
BOSCOBEL...POSTVILLE...WESTBY...HILLSBORO...STODDARD...COON
VALLEY...LA FARGE...CLAYTON...NEW ALBIN...HARPERS FERRY...
GERMANTOWN...HARDIN...WESTPORT...NEWTON AND EXCELSIOR.
EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE INTO FLOODED ROADS. PLEASE REPORT FLOODING AND ANY MUD
SLIDES TO YOUR LOCAL LAW ENFORCEMENT.
&&
LAT...LON 4317 9020 4321 9029 4321 9055 4317 9069
4312 9074 4306 9094 4299 9106 4299 9116
4308 9118 4308 9160 4350 9161 4350 9122
4358 9123 4361 9127 4373 9126 4373 9031
4356 9031 4355 9019
$$
JSBThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 12:48 AM CDT | Flash Flood Warning | ARX | Crawford, Richland, Vernon | 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 |
| Sep 22, 9:38 AM CDT | Flash Flood Warning | ARX | Crawford, Richland, Vernon | 3 hr |
| Sep 22, 11:20 AM CDT | River Flood Warning | ARX | Crawford, Grant | 10 days |
| Sep 22, 11:20 AM CDT | River Flood Warning | ARX | Grant | 9 days |
| Sep 22, 12:58 PM CDT | Areal Flood Warning | ARX | Crawford, Richland, Vernon | 21 hr |
| 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, 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, 10:19 AM CDT | Flash Flood Warning | ARX | Clayton | 3 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.