Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 31, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Sep 9, 2016, 1:02 PM CDT for Crawford County, Vernon County, Wisconsin; Allamakee County, Winneshiek County, Iowa. It was in force for 3 hr. 3 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 9, 2016, 1:02 PM CDT (18:02 UTC)
- Expired
- Sep 9, 2016, 4:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allamakee County, IA, Winneshiek County, IA, Crawford County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 51 km from the middle of the area, began a volume at 18:03 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 9, 2:30 PM CDT | FLASH FLOOD | 1 Se Ferryville, WI | TREE DOWN ON HIGHWAY 35 FROM HILL SLIDE. . |
| Sep 9, 2:30 PM CDT | FLASH FLOOD | 3 Nne Frankville, IA | WATER OVER POLE LINE ROAD. TIME ESTIMATED. . |
| Sep 9, 2:45 PM CDT | FLASH FLOOD | 3 Sse De Soto, WI | ROCKS AND DEBRIS FROM HILL TOOK HIT A CAR ON HIGHWAY 82 AND 35. . |
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 12:00Z, 6.0 hours before the alert went out and 204 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
- 437 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
818
WGUS53 KARX 091802
FFWARX
IAC005-191-WIC023-123-092100-
/O.NEW.KARX.FF.W.0031.160909T1802Z-160909T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
102 PM CDT FRI SEP 9 2016
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ALLAMAKEE COUNTY IN NORTHEASTERN IOWA...
SOUTHEASTERN WINNESHIEK COUNTY IN NORTHEASTERN IOWA...
NORTHERN CRAWFORD COUNTY IN SOUTHWESTERN WISCONSIN...
SOUTHWESTERN VERNON COUNTY IN SOUTHWESTERN WISCONSIN...
* UNTIL 400 PM CDT
* AT 100 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN IN SOME OF THE WARNED AREA. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...VILLAGE CREEK...
THE BAD AXE RIVER AND STREAMS...SUGAR CREEK...JONES CREEK...KICKAPOO
RIVER AND TRIBUTARIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4308 9173 4339 9172 4350 9134 4350 9122
4353 9123 4362 9093 4355 9067 4335 9067
4308 9118
$$
RIECK2 follow-up statements
535
WGUS73 KARX 091902
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
202 PM CDT FRI SEP 9 2016
IAC005-191-WIC023-123-092100-
/O.CON.KARX.FF.W.0031.000000T0000Z-160909T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLAMAKEE IA-WINNESHIEK IA-CRAWFORD WI-VERNON WI-
202 PM CDT FRI SEP 9 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
ALLAMAKEE...SOUTHEASTERN WINNESHIEK...NORTHERN CRAWFORD AND
SOUTHWESTERN VERNON COUNTIES...
AT 154 PM CDT...RAIN WAS CONTINUNING ACROSS THE WARNED AREA WITH
ESTIMATES OF 2.5 TO 3.5 INCHES.
* FLOODING IN THIS PORTION OF ALLAMAKEE COUNTY IOWA AND WESTERN
WISCONSIN HAS BEEN SPORATIC AND MINOR TO THIS POINT. THE RAIN WILL
BE ROUTING INTO CREEKS AND STEAMS AND FLOODING COULD STILL OCCUR.
THE AREA SOILS ARE HORRIBLY SATURATED.
* MUDSLIDES ARE POSSIBLE ALONG STEEP TERRAIN.
* RAIN WILL END FROM WEST TO EAST DURING THE MID-AFTERNOON HOURS TO
HELP LIMIT ADDITIONAL FLOODING.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
BAD AXE RIVER...
WEST FORK KICKAPOO RIVER...
SUGAR CREEK...
KICKAPOO RIVER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4308 9173 4339 9172 4350 9134 4350 9122
4353 9123 4362 9093 4355 9067 4335 9067
4308 9118
$$
BAUMGARDT625
WGUS73 KARX 092049
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
349 PM CDT FRI SEP 9 2016
IAC005-191-WIC023-123-092100-
/O.CON.KARX.FF.W.0031.000000T0000Z-160909T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLAMAKEE IA-WINNESHIEK IA-CRAWFORD WI-VERNON WI-
349 PM CDT FRI SEP 9 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
ALLAMAKEE...SOUTHEASTERN WINNESHIEK...NORTHERN CRAWFORD AND
SOUTHWESTERN VERNON COUNTIES...
THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 4 PM.
AT 344 PM CDT...DOPPLER RADAR INDICATED THE HEAVY RAINFALL HAD
SHIFTED EAST OF THE AREA. MORE RAIN IS EXPECTED TONIGHT...BUT IT
SHOULD NOT CAUSE ADDITIONAL FLOODING.
LAW ENFORCEMENT ACROSS ALLAMAKEE...VERNON...AND CRAWFORD COUNTIES
INDICATE THE WATER LEVELS HAVE RECEDED AND CONDITIONS WERE NOT
WORSENING. HOWEVER...SOME ROADS MAY REMAIN CLOSED ACROSS THE WARNING
AREA.
BECAUSE THERE IS NO ACTIVE FLOODING....THE WARNING WILL BE ALLOWED
TO EXPIRE AT 4 PM.
REMAIN ALERT FOR HIGH CREEKS AND STREAMS ACROSS THE AREA IF
TRAVELING TONIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4308 9173 4339 9172 4350 9134 4350 9122
4353 9123 4362 9093 4355 9067 4335 9067
4308 9118
$$
BAUMGARDTThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 11:41 AM CDT | Flash Flood Watch | ARX | Crawford, Grant, Richland, Vernon | 7 hr |
| Sep 9, 12:23 PM CDT | Areal Flood Warning | ARX | Richland | 9 hr |
| Sep 9, 1:35 PM CDT | Flash Flood Warning | ARX | Richland | 3 hr |
| Sep 9, 3:01 PM CDT | River Flood Warning | ARX | Richland, Vernon | 66 hr |
| Sep 9, 11:08 AM CDT | Areal Flood Advisory | ARX | Allamakee, Chickasaw, Fayette, Floyd, Howard, Mitchell and 1 more | 3 hr |
| Sep 9, 12:28 PM CDT | Flash Flood Warning | ARX | Chickasaw, Fayette, Floyd, Howard, Winneshiek | 3 hr |
| Sep 9, 2:35 PM CDT | River Flood Warning | ARX | Allamakee | 67 hr |
| Sep 9, 2:39 PM CDT | River Flood Warning | ARX | Clayton | 4 days |
| Sep 9, 2:39 PM CDT | River Flood Warning | ARX | Clayton | 64 hr |
| Sep 9, 3:16 PM CDT | Flash Flood Warning | ARX | Chickasaw, Fayette, Floyd, Howard, Winneshiek | 3 hr |
| Sep 9, 6:17 PM CDT | Areal Flood Warning | ARX | Chickasaw, Fayette, Howard, Winneshiek | 50 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.