Alert archive / Wisconsin / Flash Flood Warnings in 2018

Flash Flood Warning 1, NWS Milwaukee, WI

June 16, 2018Dane County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Jun 16, 2018, 12:21 AM CDT for Dane County, Wisconsin. 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
Jun 16, 2018, 12:21 AM CDT (05:21 UTC)
Expired
Jun 16, 2018, 3:15 AM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Flood severity
None

County Dane County, WI

The radar

The Milwaukee radar (KMKX), 77 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
Jun 16, 12:30 AM CDTFLASH FLOOD3 Wsw Monona, WIFOLLOW UP ON FLOODING: SEVERAL STALLED VEHICLES ON THE BELTLINE BETWEEN MILE MARKERS 261 AND 263, WHICH IS PARK ST AND JOHN NOLAN DR. ALSO 3 FEET OF WATER IN HWY 14 IN TOWN OF MADISON. WATER INTO SOME HOMES ON SOUTHWEST SIDE OF CITY. WATER INTO SOME UW CAMPUS
Jun 16, 1:19 AM CDTHEAVY RAIN 3.81 Ese Shorewood Hills, WITOTAL SO FAR AT MESONET STATION MDSNW, 1 ESE SHOREWOOD HILLS.
Jun 16, 1:26 AM CDTFLASH FLOODMadison, WINUMEROUS VEHICLES STRANDED. WATER ENTERING LOWER LEVELS OF HOUSES AND APARTMENT BUILDINGS. FIRE DEPARTMENT PERFORMING WATER RESCUES.

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, 5.4 hours before the alert went out and 184 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, Davenport, at 00:00Z on 2018-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2183 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, Davenport, at 00:00Z on 2018-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
2183 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1589 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

875 
WGUS53 KMKX 160521
FFWMKX
WIC025-160815-
/O.NEW.KMKX.FF.W.0001.180616T0521Z-180616T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Milwaukee/Sullivan WI
1221 AM CDT SAT JUN 16 2018

The National Weather Service in Milwaukee/Sullivan has issued a

* Flash Flood Warning for...
  Central Dane County in south central Wisconsin...

* Until 315 AM CDT.

* At 1219 AM CDT, Doppler radar and automated rain gauges indicated
  thunderstorms producing heavy rain across the warned area. Up to
  two inches of rain have already fallen. Flash flooding is expected
  to begin shortly.

* Some locations that will experience flooding include...
  Madison, Sun Prairie, Fitchburg, Middleton, Waunakee, Verona,
  McFarland, Monona, Mount Horeb, Windsor, Marshall, Cottage Grove,
  Cross Plains, Deerfield, Mazomanie, Shorewood Hills, Cambridge,
  Black Earth, Maple Bluff and Blue Mounds.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

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, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

&&

LAT...LON 4318 8984 4321 8943 4322 8901 4294 8901
      4294 8944 4299 8984

$$

WOOD
5 follow-up statements
839 
WGUS73 KMKX 160548
FFSMKX

Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
1248 AM CDT SAT JUN 16 2018

WIC025-160815-
/O.CON.KMKX.FF.W.0001.000000T0000Z-180616T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dane WI-
1248 AM CDT SAT JUN 16 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR
CENTRAL DANE COUNTY...

At 1242 AM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain over the warned area. 2 to 3 
inches of rain have already fallen across most of the Madison metro 
area. Flash flooding is expected to begin shortly or has already 
begun.

At 1240 AM CDT, water was reported over Odana Road near Grand Canyon 
Drive in Madison. Water was halfway up the tires of cars trying to 
go through this area.

Some locations that will experience flooding include...
Madison, Sun Prairie, Fitchburg, Middleton, Waunakee, Verona,
McFarland, Monona, Mount Horeb, Windsor, Marshall, Cottage Grove,
Cross Plains, Deerfield, Mazomanie, Shorewood Hills, Cambridge, Black
Earth, Maple Bluff and Blue Mounds.

Additional rainfall amounts of 1 to 2 inches in one hour are 
possible in the warned area, as storms continue to move east 
southeast over this same area. This is a dangerous situation at 
night, when it is difficult to see flooded roads.

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.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

&&

LAT...LON 4318 8984 4321 8943 4322 8901 4294 8901
      4294 8944 4299 8984

$$

WOOD
997 
WGUS73 KMKX 160609
FFSMKX

Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
109 AM CDT SAT JUN 16 2018

WIC025-160815-
/O.CON.KMKX.FF.W.0001.000000T0000Z-180616T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dane WI-
109 AM CDT SAT JUN 16 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR
CENTRAL DANE COUNTY...

At 102 AM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain over the warned area. Two to four 
inches of rain have already fallen across most of the Madison metro 
area, with the highest amounts in the south central and southwest 
parts of the metro area. Flash flooding is ongoing!

At 1258 AM CDT, a public report of lots of road flooding on side 
streets, stranded cars, and accidents on the Beltline. 

Please stay off of the roads in the Madison metro area if at all 
possible! Rainfall rates this heavy in an urban area like Madison 
will continue to cause flash flooding, especially in low lying areas 
with runoff.

Some locations that will experience flooding include...
Madison, Sun Prairie, Fitchburg, Middleton, Waunakee, Verona,
McFarland, Monona, Mount Horeb, Windsor, Marshall, Cottage Grove,
Cross Plains, Deerfield, Mazomanie, Shorewood Hills, Cambridge, Black
Earth, Maple Bluff and Blue Mounds.

Additional rainfall amounts of 1 to 2 inches are possible in one 
hour in the warned area, which covers the Madison metro 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.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4318 8984 4321 8943 4322 8901 4294 8901
      4294 8944 4299 8984

$$

WOOD
648 
WGUS73 KMKX 160634
FFSMKX

Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
134 AM CDT SAT JUN 16 2018

WIC025-160815-
/O.CON.KMKX.FF.W.0001.000000T0000Z-180616T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dane WI-
134 AM CDT SAT JUN 16 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR
CENTRAL DANE COUNTY...

At 126 AM CDT, local law enforcement reported flash flooding in and 
around the Madison metro area. Numerous vehicles are stranded. Water 
is entering the lower levels of houses and apartment buildings. The 
fire department is performing water rescues.

Two to four inches of rain have already fallen across the Madison 
metro area, with the highest amounts in the south central and 
southwest parts of the metro area. Flash flooding is occurring and 
expected to continue! 

Additional rainfall amounts of one to two inches in one hour are 
possible in the warned area. 

Please stay off of the roads if at all possible! Do not drive into 
flooded roads! Turn around, don't drown!

Some locations that will experience flooding include...
Madison, Sun Prairie, Fitchburg, Middleton, Waunakee, Verona,
McFarland, Monona, Mount Horeb, Windsor, Marshall, Cottage Grove,
Cross Plains, Deerfield, Mazomanie, Shorewood Hills, Cambridge, Black
Earth, Maple Bluff and Blue Mounds.

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.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4318 8984 4321 8943 4322 8901 4294 8901
      4294 8944 4299 8984

$$

WOOD
592 
WGUS73 KMKX 160710
FFSMKX

Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
210 AM CDT SAT JUN 16 2018

WIC025-160815-
/O.CON.KMKX.FF.W.0001.000000T0000Z-180616T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dane WI-
210 AM CDT SAT JUN 16 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR
CENTRAL DANE COUNTY...

At 126 AM CDT, local law enforcement reported flash flooding in and 
around the Madison metro area. Numerous vehicles are stranded. Water 
is entering the lower levels of houses and apartment buildings. The 
fire department is performing water rescues.

Two to five inches of rain have already fallen across the Madison 
metro area, with the highest amounts in the south central and 
southwest parts of the metro area. Flash flooding is occurring and 
expected to continue! 

The storms have moved off to the southeast, and no additional 
rainfall is expected in the Madison metro area, and most of the 
warned area. However, runoff is expected to continue during the 
overnight hours, which will continue the effects of the flash 
flooding.

Please stay off of the roads if at all possible! Do not drive into 
flooded roads! Turn around, don't drown!

Some locations that will experience flooding include...
Madison, Sun Prairie, Fitchburg, Middleton, Waunakee, Verona,
McFarland, Monona, Mount Horeb, Windsor, Marshall, Cottage Grove,
Cross Plains, Deerfield, Mazomanie, Shorewood Hills, Cambridge, Black
Earth, Maple Bluff and Blue Mounds.

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.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4318 8984 4321 8943 4322 8901 4294 8901
      4294 8944 4299 8984

$$

WOOD
877 
WGUS73 KMKX 160815
FFSMKX

Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
315 AM CDT SAT JUN 16 2018

WIC025-160818-
/O.EXP.KMKX.FF.W.0001.000000T0000Z-180616T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dane WI-
315 AM CDT SAT JUN 16 2018

...THE FLASH FLOOD WARNING FOR CENTRAL DANE COUNTY WILL EXPIRE AT 315
AM CDT...

The heavy rain has ended across the warned area, including the 
Madison metro area. The flash flooding that was occurring is no 
longer expected to pose a threat. 

However, be careful driving into the early morning hours across the 
Madison metro area. As the sun rises, minor flooding in low lying 
areas may still remain, and become easier to see. Please do not 
drive into any water covered roads.

LAT...LON 4318 8984 4321 8943 4322 8901 4294 8901
      4294 8944 4299 8984

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 7:59 PM CDTSpecial Weather StatementMKXMarquette31 min
Jun 15, 8:24 PM CDTSpecial Weather StatementMKXGreen Lake, Marquette36 min
Jun 15, 8:54 PM CDTSpecial Weather StatementMKXFond du Lac, Green Lake36 min
Jun 15, 9:27 PM CDTSpecial Weather StatementMKXColumbia, Fond du Lac33 min
Jun 15, 10:00 PM CDTSpecial Weather StatementMKXColumbia, Dodge, Fond du Lac, Ozaukee, Sheboygan30 min
Jun 15, 10:40 PM CDTSpecial Weather StatementMKXDane, Jefferson, Milwaukee, Waukesha35 min
Jun 15, 11:08 PM CDTSpecial Weather StatementMKXDane, Jefferson, Kenosha, Milwaukee, Racine, Rock and 2 more22 min
Jun 15, 11:21 PM CDTSpecial Weather StatementMKXDane, Jefferson, Kenosha, Milwaukee, Racine, Rock and 2 more24 min
Jun 15, 11:28 PM CDTSpecial Weather StatementMKXSauk62 min
Jun 15, 11:40 PM CDTSpecial Weather StatementMKXDane, Jefferson, Kenosha, Milwaukee, Racine, Rock and 2 more35 min
Jun 16, 12:11 AM CDTAreal Flood AdvisoryMKXDane3 hr
Jun 16, 12:12 AM CDTSpecial Weather StatementMKXDane, Green, Iowa, Kenosha, Rock, Walworth48 min
Jun 16, 12:55 AM CDTAreal Flood AdvisoryMKXIowa3 hr
Jun 16, 1:53 AM CDTAreal Flood AdvisoryMKXRock112 min
Jun 16, 5:51 AM CDTSpecial Marine WarningMKX54 min
Jun 16, 6:43 AM CDTSpecial Marine WarningMKX62 min
Jun 16, 3:58 PM CDTSevere Thunderstorm WarningMKXColumbia, Sauk32 min
Jun 16, 4:02 PM CDTSevere Thunderstorm WarningMKXColumbia, Green Lake, Marquette28 min
Jun 16, 4:47 PM CDTSevere Thunderstorm WarningMKXColumbia43 min
Jun 16, 5:06 PM CDTAreal Flood AdvisoryMKXColumbia, Sauk3 hr
Jun 16, 5:38 PM CDTSevere Thunderstorm WarningMKXColumbia, Sauk52 min
Jun 16, 6:18 PM CDTFlash Flood WarningMKXColumbia3 hr
Jun 16, 6:28 PM CDTSevere Thunderstorm WarningMKXColumbia47 min

Nearby

Flash Flood Warnings in Wisconsin, 2018Every flash flood warning in 2018

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.