Alert archive / Wisconsin / Flash Flood Warnings in 2013

Flash Flood Warning 2, NWS Milwaukee, WI

June 22, 2013Green County, Iowa County, Lafayette County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Jun 22, 2013, 2:40 AM CDT for Green County, Iowa County, Lafayette County, Wisconsin. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 22, 2013, 2:40 AM CDT (07:40 UTC)
Expired: Jun 22, 2013, 8:00 AM CDT
In force: 5 hr
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Flood severity: None

Counties Green County, WI, Iowa County, WI, Lafayette County, WI

The radar

The Milwaukee radar (KMKX), 126 km from the middle of the area, began a volume at 07:41 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.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 7.7 hours before the alert went out and 135 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 900 J/kg
Mixed-layer CIN: -483 J/kg
Mixed-layer LCL: 1250 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 312 m²/s²
0-3 km storm-relative helicity: 621 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

879 
WGUS53 KMKX 220740
FFWMKX
WIC045-049-065-221300-
/O.NEW.KMKX.FF.W.0002.130622T0740Z-130622T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
240 AM CDT SAT JUN 22 2013

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAFAYETTE COUNTY IN SOUTH CENTRAL WISCONSIN...
  SOUTHERN GREEN COUNTY IN SOUTH CENTRAL WISCONSIN...
  SOUTHWESTERN IOWA COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 800 AM CDT

* AT 238 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. 3 INCH RAINFALL ESTIMATES HAVE ALREADY OCCURED AND 
  UP TO 6 INCHES OF RAIN COULD FALL.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BRODHEAD...DARLINGTON...MONROE...ALBANY...ARGYLE...BLACKHAWK LAKE
  RECREATION AREA AND MONROE AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO 
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO 
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN 
WATER BEGINS RISING.

&&

LAT...LON 4305 9043 4305 9030 4285 9031 4275 8997
      4272 8937 4250 8937 4250 9000 4268 9013
      4280 9043

$$

HENTZ

4 follow-up statements

019 
WGUS73 KMKX 220847
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
347 AM CDT SAT JUN 22 2013

WIC045-049-065-221300-
/O.CON.KMKX.FF.W.0002.000000T0000Z-130622T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREEN WI-IOWA WI-LAFAYETTE WI-
347 AM CDT SAT JUN 22 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR
LAFAYETTE...SOUTHWESTERN IOWA AND SOUTHERN GREEN COUNTIES...

AT 342 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER THE WARNED
AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BLACKHAWK 
LAKE RECREATION AREA AND MONROE.

DOPPLER RADAR INDICATED 2 TO 6 INCHES OF RAIN HAS FALLEN OVER MUCH 
OF THE WARNED AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4305 9043 4305 9030 4285 9031 4275 8997
      4272 8937 4250 8937 4250 9000 4268 9013
      4280 9043

$$

HENTZ

924 
WGUS73 KMKX 221007
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
507 AM CDT SAT JUN 22 2013

WIC045-049-065-221300-
/O.CON.KMKX.FF.W.0002.000000T0000Z-130622T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREEN WI-IOWA WI-LAFAYETTE WI-
507 AM CDT SAT JUN 22 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR 
LAFAYETTE...SOUTH AND WESTERN IOWA AND SOUTHERN GREEN COUNTIES...

AT 457 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORM PRODUCING MODERATE TO HEAVY RAIN OVER THE 
WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BLACKHAWK 
LAKE RECREATION AREA...HIGHLAND...DARLINGTON AND MONROE.

RAINFALL ESTIMATES INDICATE THAT BETWEEN 4 AND 6 INCHES OF RAIN FELL 
OVER MUCH OF THE WARNED AREA...WITH UP TO 6 TO 8 INCHES NEAR AND 
SOUTH OF HIGHLAND TO NEAR COBB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

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. 

&&

LAT...LON 4305 9043 4305 9030 4285 9031 4275 8997
      4272 8937 4250 8937 4250 9000 4268 9013
      4280 9043

$$

HENTZ

647 
WGUS73 KMKX 221059
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
559 AM CDT SAT JUN 22 2013

WIC045-049-065-221300-
/O.CON.KMKX.FF.W.0002.000000T0000Z-130622T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREEN WI-IOWA WI-LAFAYETTE WI-
559 AM CDT SAT JUN 22 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR
LAFAYETTE...SOUTHWESTERN IOWA AND SOUTHERN GREEN COUNTIES...

AT 600 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
MUCH OF THE HEAVY RAIN HAS ENDED WITH MAINLY LIGHT TO MODERATE RAIN 
OVER THE WARNED AREA. HOWEVER MORE STORMS WITH HEAVY RAINS MAY REACH 
THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BLACKHAWK 
LAKE RECREATION AREA...HIGHLAND...DARLINGTON AND MONROE.

RAINFALL ESTIMATES INDICATE THAT BETWEEN 4 AND 6 INCHES OF RAIN FELL 
OVER MUCH OF THE WARNED AREA...WITH UP TO 6 TO 8 INCHES NEAR AND 
SOUTH OF HIGHLAND TO NEAR COBB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

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. 

&&

LAT...LON 4305 9043 4305 9030 4285 9031 4275 8997
      4272 8937 4250 8937 4250 9000 4268 9013
      4280 9043

$$

HENTZ

681 
WGUS73 KMKX 221209
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
709 AM CDT SAT JUN 22 2013

WIC045-049-065-221300-
/O.CON.KMKX.FF.W.0002.000000T0000Z-130622T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREEN WI-IOWA WI-LAFAYETTE WI-
709 AM CDT SAT JUN 22 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR 
LAFAYETTE...SOUTH AND WESTERN IOWA AND SOUTHERN GREEN COUNTIES...

AT 705 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE HEAVY RAINS HAVE ENDED.  HOWEVER MORE SCATTERED MODERATE 
RAINFALL MAY FALL THIS MORNING.  

RAINFALL ESTIMATES INDICATE THAT BETWEEN 4 AND 6 INCHES OF RAIN FELL 
OVER MUCH OF THE WARNED AREA...WITH UP TO 6 TO 8 INCHES NEAR AND 
SOUTH OF HIGHLAND TO NEAR COBB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

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 4305 9043 4305 9030 4285 9031 4275 8997
      4272 8937 4250 8937 4250 9000 4268 9013
      4280 9043

$$

HENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 11:48 PM CDT	Areal Flood Advisory	MKX	Dane, Green, Jefferson, Rock, Walworth, Waukesha	3 hr
Jun 22, 1:03 AM CDT	Areal Flood Advisory	MKX	Dane, Green, Iowa, Lafayette	3 hr
Jun 22, 1:50 AM CDT	Flash Flood Warning	MKX	Dane, Green, Iowa, Lafayette	6 hr
Jun 22, 2:16 AM CDT	Areal Flood Advisory	MKX	Green, Rock	3 hr
Jun 22, 7:57 AM CDT	Flash Flood Warning	MKX	Dane, Green, Iowa, Lafayette	4 hr
Jun 22, 10:40 AM CDT	River Flood Warning	MKX	Lafayette	6 days
Jun 22, 12:01 PM CDT	River Flood Warning	MKX	Kenosha	6 days
Jun 22, 12:01 PM CDT	River Flood Warning	MKX	Green	5 days
Jun 22, 12:01 PM CDT	River Flood Warning	MKX	Green, Rock	3 days
Jun 22, 12:06 PM CDT	Areal Flood Advisory	MKX	Dane, Green, Iowa, Lafayette	15 hr

Nearby

Flash Flood Warnings in Wisconsin, 2013 Every flash flood warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.