Flash Flood Warning 23, NWS Milwaukee, WI

Issued

Aug 22, 2007, 5:40 PM CDT (22:40 UTC)

Expired

Aug 22, 2007, 8:45 PM CDT

In force

3 hr

Issued by

NWS Milwaukee, WI

Area

Counties, with a storm outline in the text

Flood severity

None

County Iowa County, WI

The La Crosse radar (KARX), 117 km from the middle of the area, began a volume at 22:39 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.

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

000 
WGUS53 KMKX 222241
FFWMKX
WIC049-230145-
/X.NEW.KMKX.FF.W.0023.070822T2240Z-070823T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
540 PM CDT WED AUG 22 2007

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  IOWA COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 845 PM CDT

* AT 539 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 17
  MILES NORTHWEST OF DODGEVILLE TO 26 MILES SOUTHWEST OF MINERAL   
POINT MOVING EAST AT 35 MPH.

RAINFALL RATES OF 2 TO 3 INCHES PER HOUR WILL LIKELY CAUSE FLOODING 
GIVEN THE HILLY TERRAIN AND SATURATED SOIL CONDITIONS.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  HIGHLAND...COBB...LINDEN...LONDON...EDMUND...MINERAL POINT   
AIRPORT...RIDGEWAY...HOLLANDALE...ARENA AND BARNEVELD.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 4320 9043 4280 9043 4282 8985 4320 8984
      4316 9014

$$

CRAVEN

000 
WGUS73 KMKX 230106
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
804 PM CDT WED AUG 22 2007

WIC049-230145-
/X.CON.KMKX.FF.W.0023.000000T0000Z-070823T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
IOWA-
804 PM CDT WED AUG 22 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR IOWA
COUNTY...

AT 802 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE HEAVIEST RAIN HAS SHIFTED EAST OF IOWA COUNTY.  THE RAIN 
SHOULD END LATER THIS EVENING. 

RUNOFF FROM EARLIER HEAVY RAINS SHOULD CONTINUE FOR MUCH OF THE 
NIGHT.  HOWEVER...SINCE LESS THAN A QUARTER INCH OF ADDITIONAL RAIN 
IS EXPECTED OVERNIGHT...THE FLASH FLOOD WARNING WILL BE ALLOWED TO 
EXPIRE AT 845 PM CDT.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE 
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS 
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF 
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 4320 9043 4280 9043 4282 8985 4320 8984
      4316 9014

$$

CRAVEN

Flash Flood Warnings in Wisconsin, 2007Every flash flood warning in 2007

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.