Alert archive / Wisconsin / Flash Flood Warnings in 2017

Flash Flood Warning 4, NWS Milwaukee, WI

July 12, 2017Kenosha County, Racine County, Walworth County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Jul 12, 2017, 12:20 AM CDT for Kenosha County, Racine County, Walworth County, Wisconsin. It was in force for 10 hr. 56 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 12, 2017, 12:20 AM CDT (05:20 UTC)
Expired
Jul 12, 2017, 10:15 AM CDT
In force
10 hr
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Flood severity
None

Counties Kenosha County, WI, Racine County, WI, Walworth County, WI

The radar

The Milwaukee radar (KMKX), 41 km from the middle of the area, began a volume at 05:21 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

TimeReportWhereRemark
Jul 12, 1:11 AM CDTFLASH FLOOD3 Ese Paddock Lake, WICAR UNDER WATER IN THE BRISTOL AREA.
Jul 12, 1:11 AM CDTFLASH FLOODBristol, WICAR UNDER WATER IN THE BRISTOL AREA.
Jul 12, 1:11 AM CDTFLASH FLOODElkhorn, WIWIDESPREAD FLOODING REPORTED IN THE CITY OF ELKHORN. WATER FLOWING INTO SOME BUSINESSES AND THE HUBER JAIL. SOME CARS STRANDED.
Jul 12, 2:20 AM CDTFLASH FLOODPaddock Lake, WIWIDESPREAD FLOODING IN THE AREA. DISPATCH CENTER TOO BUSY FOR DETAILS.
Jul 12, 3:00 AM CDTHEAVY RAIN 4.843 Ese Bohners Lake, WITOTAL SO FAR AT NEW MUNSTER RIVER GAUGE. MESONET STATION NMSW3, 2 ESE BOHNERS LAKE.
Jul 12, 3:05 AM CDTHEAVY RAIN 63 Ne Powers Lake, WITOWN OF WHEATLAND IN KENOSHA COUNTY
Jul 12, 3:05 AM CDTHEAVY RAIN 63 Ne Powers Lake, WITOWN OF WHEATLAND IN KENOSHA COUNTY.
Jul 12, 3:15 AM CDTHEAVY RAIN 3.56Elkhorn, WIOBSERVER REPORTS 3.26 OCCURRED IN ONE HOUR FROM MIDNIGHT TO 1 AM.
Jul 12, 3:58 AM CDTHEAVY RAIN 4.03Rochester, WITOTAL SO FAR AT ROCHESTER RIVER GAUGE. MESONET STATION RSRW3, ROCHESTER.
Jul 12, 4:10 AM CDTHEAVY RAIN 5.751 Sse Paddock Lake, WITOTAL SO FAR. MONTGOMERY LAKE PERSONAL WEATHER STATION.
Jul 12, 4:10 AM CDTHEAVY RAIN 5.752 Sse Paddock Lake, WITOTAL SO FAR. MONTGOMERY LAKE PERSONAL WEATHER STATION.
Jul 12, 4:17 AM CDTHEAVY RAIN 3.744 Ese Paddock Lake, WITOTAL SO FAR AT PERSONAL WEATHER STATION AT 87TH AND 184TH AVE NEAR BRISTOL.
Jul 12, 4:19 AM CDTHEAVY RAIN 4.091 Sw Rochester, WITOTAL SO FAR AT PERSONAL WEATHER STATION ON NORTHEAST SIDE OF BURLINGTON.
Jul 12, 4:19 AM CDTHEAVY RAIN 4.092 Ssw Rochester, WITOTAL SO FAR AT PERSONAL WEATHER STATION ON NORTHEAST SIDE OF BURLINGTON.
Jul 12, 4:37 AM CDTHEAVY RAIN 2.62Union Grove, WICOCORAHS STATION WI-RC-13, UNION GROVE.
Jul 12, 6:00 AM CDTHEAVY RAIN 1.237 Nnw Elkhorn, WICOCORAHS STATION WI-WW-4, 6 NW ELKHORN.
Jul 12, 6:00 AM CDTHEAVY RAIN 2.191 Nnw Pleasant Prairie, WICOCORAHS STATION WI-KN-11, PLEASANT PRAIRIE.
Jul 12, 6:00 AM CDTHEAVY RAIN 4.381 S Rochester, WICO-OP OBSERVER STATION ROCW3, ROCHESTER-WWTP.
Jul 12, 6:00 AM CDTHEAVY RAIN 4.381 S Rochester, WI
Jul 12, 6:00 AM CDTHEAVY RAIN 4.381 Sse Rochester, WI
Jul 12, 6:00 AM CDTHEAVY RAIN 4.951 Se Burlington, WI
Jul 12, 6:00 AM CDTHEAVY RAIN 4.952 Ese Browns Lake, WICO-OP OBSERVER STATION BGTW3, RACINE-SEWAGE PLANT.
Jul 12, 6:00 AM CDTHEAVY RAIN 4.952 Se Burlington, WI
Jul 12, 6:10 AM CDTFLASH FLOOD3 Se Browns Lake, WIHIGHWAY J AT HOOSIER CREEK CANAL ON THE KENOSHA COUNTY LINE CLOSED DUE TO 2 FEET OF MOVING WATER.
Jul 12, 6:10 AM CDTFLASH FLOOD3 Sw Eagle Lake, WIINTERSECTION OF HIGHWAYS 11 AND B CLOSED DUE TO WATER OVER THE ROAD ...CORRECTION FOR SOURCE...
Jul 12, 6:10 AM CDTFLASH FLOOD3 Sw Eagle Lake, WIINTERSECTION OF HIGHWAYS 11 AND B CLOSED DUE TO WATER OVER THE ROAD.
Jul 12, 6:21 AM CDTFLASH FLOOD2 Ssw Browns Lake, WIMT. TOM RD WASHED OUT AT HOOSIER CREEK.
Jul 12, 6:30 AM CDTHEAVY RAIN 1.573 Sw Kenosha, WICOCORAHS STATION WI-KN-6, 2 WSW KENOSHA.
Jul 12, 6:53 AM CDTHEAVY RAIN 2.093 N Pleasant Prairie, WIASOS STATION ENW, KENOSHA-AIRPORT.
Jul 12, 6:53 AM CDTHEAVY RAIN 5Genoa City, WI
Jul 12, 6:55 AM CDTHEAVY RAIN 6.621 Nw Burlington, WIMEASURED AT BURLINGTON AIRPORT.
Jul 12, 6:55 AM CDTHEAVY RAIN 6.621 Wnw Burlington, WIMEASURED AT BURLINGTON AIRPORT.
Jul 12, 6:55 AM CDTHEAVY RAIN 6.622 Wnw Burlington, WIAWOS STATION BUU, BURLINGTON.
Jul 12, 7:00 AM CDTHEAVY RAIN 0.014 Ssw Kenosha, WICOCORAHS STATION WI-KN-14, 3 NNW WINTHROP HARBOR.
Jul 12, 7:00 AM CDTHEAVY RAIN 2.261 Ne Union Grove, WICO-OP OBSERVER STATION UGRW3, UNION GROVE.
Jul 12, 7:00 AM CDTHEAVY RAIN 2.423 Ene Pleasant Prairie, WICOCORAHS STATION WI-KN-1, 2 E PLEASANT PRAIRIE.
Jul 12, 7:00 AM CDTHEAVY RAIN 2.423 Ene Pleasant Prairie, WICO-OP OBSERVER STATION KHAW3, KENOSHA 4 SW.
Jul 12, 7:00 AM CDTHEAVY RAIN 3.51 Ese Pell Lake, WICO-OP OBSERVER STATION PLLW3, PELL LAKE.
Jul 12, 7:00 AM CDTHEAVY RAIN 4.111 Ne Paddock Lake, WI
Jul 12, 7:00 AM CDTHEAVY RAIN 5.241 Ene Lake Geneva, WICOCORAHS STATION WI-WW-2, LAKE GENEVA.
Jul 12, 7:23 AM CDTHEAVY RAIN 6.74 Wnw Bohners Lake, WICO-OP OBSERVER STATION LYSW3, LYONS.
Jul 12, 7:30 AM CDTHEAVY RAIN 4.54Paddock Lake, WICOCORAHS STATION WI-KN-13, PADDOCK LAKE.
Jul 12, 7:30 AM CDTHEAVY RAIN 4.54Paddock Lake, WI
Jul 12, 7:55 AM CDTHEAVY RAIN 5.652 Nw Silver Lake, WINMSW3 ON FOX RIVER...NEW MUNSTER DCP.
Jul 12, 7:55 AM CDTHEAVY RAIN 5.653 Nw Silver Lake, WINMSW3 ON FOX RIVER...NEW MUNSTER DCP.
Jul 12, 7:59 AM CDTFLASH FLOOD1 Wsw East Troy, WITHE HONEY CREEK DAM ON THE SOUTH SIDE OF EAST TROY IS BEING OVER-TOPPED. NO CONCERN FOR A FAILURE AT THIS TIME, BUT DOWNSTREAM AREAS ARE BEING MONITORED.
Jul 12, 7:59 AM CDTFLASH FLOOD2 Wsw East Troy, WITHE HONEY CREEK DAM ON THE SOUTH SIDE OF EAST TROY IS BEING OVER-TOPPED. NO CONCERN FOR A FAILURE AT THIS TIME, BUT DOWNSTREAM AREAS ARE BEING MONITORED.
Jul 12, 8:00 AM CDTHEAVY RAIN 2.614 Nnw Kenosha, WICOCORAHS STATION WI-KN-7, 3 NW KENOSHA.
Jul 12, 8:00 AM CDTHEAVY RAIN 6.74 Wnw Bohners Lake, WI
Jul 12, 8:09 AM CDTHEAVY RAIN 5.241 Ene Lake Geneva, WI
Jul 12, 8:09 AM CDTHEAVY RAIN 5.24Lake Geneva, WI
Jul 12, 8:22 AM CDTFLASH FLOOD3 Sse Sturtevant, WIPETRIFYING SPRINGS PARK IS CLOSED DUE TO FLOODING.
Jul 12, 8:23 AM CDTFLASH FLOODPaddock Lake, WIBRIDGE WASHED OUT ON HIGHWAY K EAST OF 229TH AVENUE IN PADDOCK LAKE.
Jul 12, 9:18 AM CDTFLASH FLOOD3 Wsw Kenosha, WIFLOODING IN A MOBILE HOME PARK ON HIGHWAY K. LANDLORD URGING RESIDENTS TO EVACUATE. REPORT VIA KENOSHA NEWS.
Jul 12, 10:00 AM CDTHEAVY RAIN 7.753 Ese Bohners Lake, WINMSW3 RIVER GAUGE...NEW MUNSTER DCP.
Jul 12, 10:00 AM CDTHEAVY RAIN 8.044 Wnw Bohners Lake, WIMEASURED IN LYONS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.3 hours before the alert went out and 203 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 2017-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 643 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2017-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
643 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1366 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

688 
WGUS53 KMKX 120520
FFWMKX
WIC059-101-127-120815-
/O.NEW.KMKX.FF.W.0004.170712T0520Z-170712T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Milwaukee/Sullivan WI
1220 AM CDT WED JUL 12 2017

The National Weather Service in Milwaukee/Sullivan has issued a

* Flash Flood Warning for...
  Walworth County in southeastern Wisconsin...
  Southern Racine County in southeastern Wisconsin...
  Kenosha County in southeastern Wisconsin...

* Until 315 AM CDT

* At 1218 AM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to one inch of rain has
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Kenosha, Mount Pleasant, Pleasant Prairie, Whitewater, Elkhorn,
  Delavan, Lake Geneva, Sturtevant, Twin Lakes, Union Grove, East
  Troy, Paddock Lake, Williams Bay, Camp Lake, Rochester, Genoa City,
  Walworth, Silver Lake, Richmond and Fontana-On-Geneva Lake.

Additional rainfall amounts of 1 to 1 1/2 inches are possible in the 
warned area.  The ground is already saturated from the heavy 
rainfall early Monday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 4283 8874 4268 8777 4265 8780 4249 8779
      4249 8875

$$

DAVIS
6 follow-up statements
580 
WGUS73 KMKX 120650
FFSMKX

Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
150 AM CDT WED JUL 12 2017

WIC059-101-127-120815-
/O.CON.KMKX.FF.W.0004.000000T0000Z-170712T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Walworth WI-Racine WI-Kenosha WI-
150 AM CDT WED JUL 12 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR
WALWORTH...SOUTHERN RACINE AND KENOSHA COUNTIES...

At 147 AM CDT, Doppler radar indicated thunderstorms producing very 
heavy rain across the warned area. These storms continue to 
redevelop over the same area.  Up to two to three inches of rain has 
already fallen. Flash flooding is occuring.  The area from Elkhorn 
southeast toward Burlington, Bohners Lake and south of Pleasant 
Prairie have been hit the hardest.  

Some locations that will experience flooding include...
Kenosha, Mount Pleasant, Pleasant Prairie, Whitewater, Elkhorn,
Delavan, Lake Geneva, Sturtevant, Twin Lakes, Union Grove, East Troy,
Paddock Lake, Williams Bay, Camp Lake, Rochester, Genoa City,
Walworth, Silver Lake, Richmond and Fontana-On-Geneva Lake.

Additional rainfall amounts of 1 inch are possible in the warned 
area.

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 4283 8874 4268 8777 4265 8780 4249 8779
      4249 8875

$$

DAVIS
176 
WGUS73 KMKX 120755
FFSMKX

Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
255 AM CDT WED JUL 12 2017

WIC059-101-127-120815-
/O.CON.KMKX.FF.W.0004.000000T0000Z-170712T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Walworth WI-Racine WI-Kenosha WI-
255 AM CDT WED JUL 12 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR
WALWORTH...SOUTHERN RACINE AND KENOSHA COUNTIES...

At 249 AM CDT, Doppler radar continues to show thunderstorms 
producing torrential rainfall across the warning area.  This flash 
flood warning will likely be reissued before it expires due to the 
exceptional rainfall amounts that have occurred. 

Radar estimates and some spotter reports indicate that a widespread 
2 to 4 inches of rain has fallen in an area from La Grange to 
Elkhorn, East Troy, Burlington, Bohners Lake to Paddock Lake. 

Flash flooding is ongoing. Many roads are under water with homes and 
businesses seeing water enter their structures in the Elkhorn area. 

Some locations that will experience flooding include...
Kenosha, Mount Pleasant, Pleasant Prairie, Whitewater, Elkhorn,
Delavan, Lake Geneva, Sturtevant, Twin Lakes, Union Grove, East Troy,
Paddock Lake, Williams Bay, Camp Lake, Rochester, Genoa City,
Walworth, Silver Lake, Richmond and Fontana-On-Geneva Lake.

Additional rainfall amounts of up to an inch are possible in the 
warned area.

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 4283 8874 4268 8777 4265 8780 4249 8779
      4249 8875

$$

DAVIS
824 
WGUS53 KMKX 120810
FFWMKX
WIC059-101-127-121115-
/O.EXT.KMKX.FF.W.0004.000000T0000Z-170712T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Milwaukee/Sullivan WI
310 AM CDT WED JUL 12 2017

The National Weather Service in Milwaukee/Sullivan has extended the

* Flash Flood Warning for...
  Walworth County in southeastern Wisconsin...
  Southern Racine County in southeastern Wisconsin...
  Kenosha County in southeastern Wisconsin...

* Until 615 AM CDT

* At 307 AM CDT, thunderstorms continue to produce torrential 
  rainfall across the warning area.  Three to 4 inches of rain has 
  already fallen and another inch is possible before it diminishes 
  over the next hour or two. There are reports of many roads 
  flooded, along with some homes and businesses.  All of this is on 
  top of saturated ground from the heavy rain early Monday morning. 

* Some locations that will experience flooding include...
  Kenosha, Mount Pleasant, Pleasant Prairie, Whitewater, Elkhorn,
  Delavan, Lake Geneva, Sturtevant, Twin Lakes, Union Grove, East
  Troy, Paddock Lake, Williams Bay, Camp Lake, Rochester, Genoa City,
  Walworth, Silver Lake, Richmond and Fontana-On-Geneva Lake.

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 4283 8874 4268 8777 4265 8780 4249 8779
      4249 8875

$$

DAVIS
928 
WGUS73 KMKX 120949
FFSMKX

Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
449 AM CDT WED JUL 12 2017

WIC059-101-127-121115-
/O.CON.KMKX.FF.W.0004.000000T0000Z-170712T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Walworth WI-Racine WI-Kenosha WI-
449 AM CDT WED JUL 12 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR
WALWORTH...SOUTHERN RACINE AND KENOSHA COUNTIES...

At 446 AM CDT, Doppler radar indicated that the thunderstorms 
producing heavy rain across the warned area have moved off to the 
east. Two to five inches of rain have already fallen across western 
Kenosha, eastern Walworth and southwest Racine Counties. 

Despite the heavy rainfall ending, there will continue to be impacts 
from the flash flooding that occurred earlier this morning. Thus, 
the Flash Flood Warning will continue until 615 AM CDT.

Some locations that will experience flooding include...
Kenosha, Mount Pleasant, Pleasant Prairie, Whitewater, Elkhorn,
Delavan, Lake Geneva, Sturtevant, Twin Lakes, Union Grove, East Troy,
Paddock Lake, Williams Bay, Camp Lake, Rochester, Genoa City,
Walworth, Silver Lake, Richmond and Fontana-On-Geneva Lake.

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 4283 8874 4268 8777 4265 8780 4249 8779
      4249 8875

$$

WOOD
582 
WGUS53 KMKX 121102
FFWMKX
WIC059-101-127-121515-
/O.EXT.KMKX.FF.W.0004.000000T0000Z-170712T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Milwaukee/Sullivan WI
602 AM CDT WED JUL 12 2017

The National Weather Service in Milwaukee/Sullivan has extended the

* Flash Flood Warning for...
  Walworth County in southeastern Wisconsin...
  Southern Racine County in southeastern Wisconsin...
  Kenosha County in southeastern Wisconsin...

* Until 1015 AM CDT

* At 600 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between two and five inches of 
  rain has fallen so far with an additional one to two inches of 
  rain possible through the mid morning hours. Flash flooding has 
  already occurred.

* Some locations that will experience flooding include...
  Kenosha, Mount Pleasant, Pleasant Prairie, Whitewater, Elkhorn,
  Delavan, Lake Geneva, Sturtevant, Twin Lakes, Union Grove, East
  Troy, Paddock Lake, Williams Bay, Camp Lake, Rochester, Genoa City,
  Walworth, Silver Lake, Richmond and Fontana-On-Geneva Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4283 8874 4268 8777 4265 8780 4249 8779
      4249 8875

$$

GAGAN
155 
WGUS73 KMKX 121321
FFSMKX

Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
821 AM CDT WED JUL 12 2017

WIC059-101-127-121515-
/O.CON.KMKX.FF.W.0004.000000T0000Z-170712T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Walworth WI-Racine WI-Kenosha WI-
821 AM CDT WED JUL 12 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
WALWORTH...SOUTHERN RACINE AND KENOSHA COUNTIES...

At 819 AM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain over the warned area. Between two 
and six inches of rain have fallen, with locally higher amounts of 
up to seven inches. Flash flooding has occurred since the overnight 
hours with several roads closed across the warned area.

Some locations that will experience flooding include...
Kenosha, Mount Pleasant, Pleasant Prairie, Whitewater, Elkhorn,
Delavan, Lake Geneva, Sturtevant, Twin Lakes, Union Grove, East Troy,
Paddock Lake, Williams Bay, Camp Lake, Rochester, Genoa City,
Walworth, Silver Lake, Richmond and Fontana-On-Geneva Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4283 8874 4268 8777 4265 8780 4249 8779
      4249 8875

$$

GAGAN

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 8:42 PM CDTSpecial Weather StatementMKXLafayette63 min
Jul 11, 9:03 PM CDTRiver Flood WatchMKXKenosha6 days
Jul 11, 9:20 PM CDTSpecial Weather StatementMKXIowa40 min
Jul 11, 9:50 PM CDTSpecial Weather StatementMKXIowa55 min
Jul 11, 10:01 PM CDTSevere Thunderstorm WarningMKXDane, Green29 min
Jul 11, 10:20 PM CDTSevere Thunderstorm WarningMKXDane, Green, Rock40 min
Jul 12, 12:02 AM CDTSpecial Weather StatementMKXKenosha, Racine, Walworth58 min
Jul 12, 12:55 AM CDTSpecial Weather StatementMKXLafayette50 min
Jul 12, 1:14 AM CDTSpecial Weather StatementMKXWalworth31 min
Jul 12, 1:33 AM CDTSevere Thunderstorm WarningMKXKenosha27 min
Jul 12, 1:34 AM CDTFlash Flood WarningMKXJefferson, Racine, Walworth, Waukesha3 hr
Jul 12, 3:26 AM CDTRiver Flood WarningMKXKenosha15 days
Jul 12, 4:25 AM CDTRiver Flood WarningMKXRacine6 days
Jul 12, 4:41 AM CDTRiver Flood WarningMKXWaukesha24 hr
Jul 12, 4:43 AM CDTSpecial Weather StatementMKXIowa32 min
Jul 12, 5:13 AM CDTSpecial Weather StatementMKXIowa32 min
Jul 12, 5:32 AM CDTSpecial Weather StatementMKXRock28 min
Jul 12, 5:55 AM CDTSpecial Weather StatementMKXColumbia, Marquette, Sauk35 min
Jul 12, 5:59 AM CDTSpecial Weather StatementMKXRacine46 min
Jul 12, 6:07 AM CDTSpecial Weather StatementMKXWalworth23 min
Jul 12, 6:36 AM CDTSpecial Weather StatementMKXColumbia, Sauk54 min
Jul 12, 7:01 AM CDTSpecial Weather StatementMKXColumbia, Dane, Iowa, Sauk44 min
Jul 12, 7:06 AM CDTSpecial Weather StatementMKXKenosha, Racine54 min
Jul 12, 7:18 AM CDTSevere Thunderstorm WarningMKXDane, Green, Jefferson, Rock27 min
Jul 12, 7:32 AM CDTSpecial Marine WarningMKX88 min
Jul 12, 7:40 AM CDTSpecial Weather StatementMKXGreen, Jefferson, Rock, Walworth35 min
Jul 12, 7:49 AM CDTAreal Flood AdvisoryMKXDane3 hr
Jul 12, 8:06 AM CDTSpecial Weather StatementMKXMilwaukee, Waukesha39 min
Jul 12, 8:16 AM CDTAreal Flood AdvisoryMKXRock3 hr
Jul 12, 8:36 AM CDTSpecial Weather StatementMKXKenosha, Racine24 min
Jul 12, 10:07 AM CDTAreal Flood WarningMKXKenosha, Racine, Walworth6 hr
Jul 12, 10:21 AM CDTRiver Flood WarningMKXWaukesha24 hr
Jul 12, 11:25 AM CDTRiver Flood WarningMKXRock17 hr
Jul 12, 1:02 PM CDTSpecial Weather StatementMKXLafayette28 min
Jul 12, 4:18 PM CDTRiver Flood WarningMKXLafayette51 hr
Jul 12, 4:18 PM CDTRiver Flood WarningMKXRock51 hr
Jul 12, 4:22 PM CDTRiver Flood WatchMKXJefferson48 hr
Jul 12, 5:55 PM CDTAreal Flood WarningMKXKenosha, Racine, Walworth24 hr

Nearby

Flash Flood Warnings in Wisconsin, 2017Every flash flood warning in 2017

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.