Alert archive / Iowa / Flash Flood Warnings in 2016
Flash Flood Warning 10, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jul 23, 2016, 12:03 PM CDT for Clayton County, Iowa; Grant County, Wisconsin. It was in force for 6 hr. 6 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
- Jul 23, 2016, 12:03 PM CDT (17:03 UTC)
- Expired
- Jul 23, 2016, 6:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clayton County, IA, Grant County, WI
The radar
The La Crosse radar (KARX), 94 km from the middle of the area, began a volume at 17:06 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 |
|---|---|---|---|
| Jul 23, 12:09 PM CDT | FLASH FLOOD | Bloomington, WI | MOST CREEKS IN THE BLOOMINGTON AREA WERE OUT OF THEIR BANKS. |
| Jul 23, 12:59 PM CDT | HEAVY RAIN 4.4 | Mount Hope, WI | REPORT OF A BASEMENT FLOODED |
| Jul 23, 12:59 PM CDT | HEAVY RAIN 4.4 | Mount Hope, WI | REPORT OF A BASEMENT FLOODED. |
| Jul 23, 2:00 PM CDT | FLASH FLOOD | 3 Nnw Castle Rock, WI | WATER OVER WITEK ROAD. TIME ESTIMATED . |
| Jul 23, 2:00 PM CDT | FLASH FLOOD | 4 Nne Bagley, WI | ROAD CLOSED AT READY HOLLOW ROAD AND COUNTY X DUE TO FLOODING. TIME ESTIMATED. |
| Jul 23, 2:00 PM CDT | FLASH FLOOD | 5 Wnw Lancaster, WI | WATER OVER GOVIER ROAD AND MARIAN ROAD. TIME ESTIMATED . |
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, 5.1 hours before the alert went out and 157 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
- 2607 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
866
WGUS53 KARX 231703
FFWARX
IAC043-WIC043-232000-
/O.NEW.KARX.FF.W.0010.160723T1703Z-160723T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1203 PM CDT SAT JUL 23 2016
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL CLAYTON COUNTY IN NORTHEASTERN IOWA...
GRANT COUNTY IN SOUTHWESTERN WISCONSIN...
* UNTIL 300 PM CDT
* AT 1200 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED
EVACUATIONS OF PARADISE CAMPGROUND IN EASTERN CLAYTON COUNTY WERE
OCCURRING. RADAR INDICATES 2 TO 2.5 INCHES OF RAIN HAVE FALLEN.
FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* OFFICIALS IN GRANT COUNTY ALSO REPORT A COUPLE INCHES OF WATER
OVER COUNTY ROAD X NORTH OF BAGLEY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LANCASTER...GUTTENBERG...BOSCOBEL...FENNIMORE...MUSCODA...
GARNAVILLO...BLOOMINGTON...PRESTON...BEETOWN...ARTHUR...MONTFORT...
WAUZEKA...POTOSI...LIVINGSTON...ORION...MOUNT IDA...
ELLENBORO AND HICKORY GROVE.
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 4270 9127 4298 9129 4299 9116 4300 9113
4299 9106 4303 9097 4306 9094 4308 9085
4311 9080 4312 9074 4316 9070 4321 9055
4320 9043 4268 9043
$$
043 follow-up statements
550
WGUS73 KARX 231805
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
105 PM CDT SAT JUL 23 2016
IAC043-WIC043-232000-
/O.CON.KARX.FF.W.0010.000000T0000Z-160723T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAYTON IA-GRANT WI-
105 PM CDT SAT JUL 23 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
CENTRAL CLAYTON AND GRANT COUNTIES...
AT 102 PM CDT...THE FIRE DEPARTMENT REPORTED SOME BASEMENT FLOODING
WAS OCCURRING IN MOUNT HOPE. 4.4 INCHES OF RAIN WAS REPORTED AS
WELL. EXPECT THE FLASH FLOODING TO CONTINUE THROUGH THE MIDDLE OF
THE AFTERNOON.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LANCASTER...GUTTENBERG...BOSCOBEL...FENNIMORE...MUSCODA...
CASSVILLE...GARNAVILLO...BLOOMINGTON...PRESTON...BEETOWN...ARTHUR...
MONTFORT...WAUZEKA...POTOSI...LIVINGSTON...ORION...MOUNT IDA...
ELLENBORO AND HICKORY GROVE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4270 9127 4298 9129 4299 9116 4300 9113
4299 9106 4303 9097 4306 9094 4308 9085
4311 9080 4312 9074 4316 9070 4321 9055
4320 9043 4268 9043
$$
04420
WGUS53 KARX 231936
FFWARX
IAC043-WIC043-232300-
/O.EXT.KARX.FF.W.0010.000000T0000Z-160723T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
236 PM CDT SAT JUL 23 2016
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
CENTRAL CLAYTON COUNTY IN NORTHEASTERN IOWA...
GRANT COUNTY IN SOUTHWESTERN WISCONSIN...
* UNTIL 600 PM CDT
* AT 232 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. THREE TO FIVE INCHES OF RAIN
HAVE ALREADY FALLEN. AN ADDITIONAL ONE TO TWO INCHES OF RAIN ARE
EXPECTED THROUGH 6 PM AS ANOTHER AREA OF THUNDERSTORMS MOVE ACROSS
FAR NORTHEAST IOWA AND SOUTHWEST WISCONSIN. FLASH FLOODING IS
ALREADY OCCURRING.
* CAMPERS NEAR RIVERS AND STREAMS SHOULD CONSIDER EVACUATION
AS WATER LEVELS WILL RISE RAPIDLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PLATTEVILLE...LANCASTER...GUTTENBERG...BOSCOBEL...FENNIMORE...
MUSCODA...CASSVILLE...GARNAVILLO...BLOOMINGTON...AND PRESTON..
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.
&&
LAT...LON 4270 9127 4298 9129 4299 9116 4300 9113
4299 9106 4303 9097 4306 9094 4308 9085
4311 9080 4312 9074 4316 9070 4321 9055
4320 9043 4268 9043
$$
ROGERS567
WGUS73 KARX 232300
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
600 PM CDT SAT JUL 23 2016
IAC043-WIC043-232309-
/O.EXP.KARX.FF.W.0010.000000T0000Z-160723T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAYTON IA-GRANT WI-
600 PM CDT SAT JUL 23 2016
...THE FLASH FLOOD WARNING FOR CENTRAL CLAYTON AND GRANT COUNTIES
WILL EXPIRE AT 600 PM CDT...
THE HEAVIES RAIN HAS ENDED ACROSS THE AREA. AS WATER MOVES INTO AND
THROUGH THE RIVER SYSTEMS...CONTINUE TO MONITOR RIVER LEVELS AND BE
PREPARED TO SEEK HIGHER GROUND IF NECESSARY. PLEASE CONTINUE TO HEED
ANY REMAINING ROAD CLOSURES...AS THERE HAVE BEEN REPORTS OF SOME
HIGH WATER IN SPOTS.
LAT...LON 4270 9127 4298 9129 4299 9116 4300 9113
4299 9106 4303 9097 4306 9094 4308 9085
4311 9080 4312 9074 4316 9070 4321 9055
4320 9043 4268 9043
$$
LAWRENCEThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 2:04 PM CDT | Flash Flood Warning | ARX | Chickasaw, Fayette, Howard, Winneshiek | 3 hr |
| Jul 23, 2:57 PM CDT | Flash Flood Warning | ARX | Allamakee, Clayton | 3 hr |
| Jul 23, 5:08 PM CDT | Special Weather Statement | ARX | Dubuque | 37 min |
| Jul 23, 8:54 AM CDT | Special Weather Statement | ARX | La Crosse, Vernon | 36 min |
| Jul 23, 10:29 AM CDT | Special Weather Statement | ARX | Buffalo | 61 min |
| Jul 23, 11:32 AM CDT | Special Weather Statement | ARX | Grant | 58 min |
| Jul 23, 2:51 PM CDT | Special Weather Statement | ARX | La Crosse | 24 min |
Nearby
Flash Flood Warnings in Iowa, 2016Flash 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.