Alert archive / Wisconsin / Flash Flood Warnings in 2007

Flash Flood Warning 13, NWS Milwaukee, WI

August 19, 20075 counties in Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Aug 19, 2007, 12:26 AM CDT for 5 counties in Wisconsin. It was in force for 3 hr. 9 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
Aug 19, 2007, 12:26 AM CDT (05:26 UTC)
Expired
Aug 19, 2007, 3:30 AM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text
Flood severity
None

Counties Columbia County, WI, Dane County, WI, Iowa County, WI, Jefferson County, WI, Sauk County, WI

The radar

The Milwaukee radar (KMKX), 88 km from the middle of the area, began a volume at 05:26 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
Aug 19, 12:43 AM CDTFLASH FLOODBaraboo, WICOUNTY WIDE FLOODING HIGHWAYS K...G...S...154 AND TS.
Aug 19, 12:43 AM CDTFLASH FLOODMadison, WICOUNTY WIDE. STREET FLOODING IN MOUNT HOREB...OREGON...DANE AND ALONG HIGHWAY 69.
Aug 19, 12:44 AM CDTFLASH FLOODSun Prairie, WISTREET FLOODING HIGHWAY 19 AND WESTMOUNT. 4 INCHES OF WATER.
Aug 19, 12:45 AM CDTFLASH FLOODMadison, WICOUNTY WIDE. STREET FLOODING MOUNT HOREB...OREGON...DANE AND ALONG HIGHWAY 69.
Aug 19, 12:55 AM CDTFLASH FLOODSun Prairie, WICOUNTY HIGHWAY C CLOSED DUE TO FLOODING. CREEK OUT OF BANKS.
Aug 19, 1:00 AM CDTHEAVY RAIN 45 Ne Madison, WI
Aug 19, 2:17 AM CDTFLASH FLOODJefferson, WICOUNTY WIDE. STREET FLOODING.
Aug 19, 2:22 AM CDTHEAVY RAIN 5.591 Se Verona, WIMEASURED 5.59 INCHES 1 MILE SOUTHEAST OF VERONA.
Aug 19, 2:45 AM CDTHEAVY RAIN 5.234 Wnw Lake Mills, WIMEASURED 5.23 INCHES 4 MILES WEST NORTHWEST OF LAKE MILLS.

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, 5.4 hours before the alert went out and 179 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 2007-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2007-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
618 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMKX 190532
FFWMKX
WIC021-025-049-055-111-190830-
/X.NEW.KMKX.FF.W.0013.070819T0526Z-070819T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1226 AM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN
  SAUK COUNTY IN SOUTH CENTRAL WISCONSIN
  JEFFERSON COUNTY IN SOUTHEAST WISCONSIN
  IOWA COUNTY IN SOUTH CENTRAL WISCONSIN
  DANE COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 330 AM CDT

* AT 1222 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED FLASH FLOODING FROM A CLUSTER OF THUNDERSTORMS
  OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WISCONSIN   DELLS...MADISON...WEST BARABOO...SAUK
  CITY...RIO...REEDSBURG...PRAIRIE DU
  SAC...POYNETTE...PORTAGE...PARDEEVILLE...LODI...LAKE 
  WISCONSIN...LAKE DELTON...FALL RIVER...COLUMBUS...CAMBRIA 
  AND BARABOO

RADAR INDICATED RAINFALL AMOUNTS OF 2 TO 4 INCHES HAVE FALLEN IN
THE PAST SEVERAL HOURS. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 
INCHES ARE LIKELY FROM HEAVY THUNDERSTORMS THROUGH 330 AM THIS 
MORNING. THIS IS A DANGEROUS SITUATION. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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 4364 9020 4315 9018 4319 9041 4284 9040
      4286 8854 4318 8855 4319 8902 4330 8901
      4362 8903

$$

ZAJDEL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 9:28 PM CDTFlash Flood WarningMKXDane, Iowa, Sauk3 hr
Aug 18, 10:30 PM CDTAreal Flood AdvisoryMKXIowa, Kenosha, Lafayette, Racine, Rock, Sauk and 1 more9 days
Aug 18, 11:02 PM CDTFlash Flood WarningMKXKenosha, Racine, Walworth3 hr
Aug 19, 1:37 AM CDTFlash Flood WarningMKXKenosha, Milwaukee, Racine, Walworth, Waukesha4 hr
Aug 19, 2:44 AM CDTAreal Flood AdvisoryMKXGreen, Rock8 days
Aug 19, 4:27 AM CDTAreal Flood WarningMKXColumbia, Dane, Dodge, Green, Iowa, Lafayette and 2 more5 hr
Aug 19, 7:29 AM CDTRiver Flood WarningMKXRacine7 days
Aug 19, 9:41 AM CDTAreal Flood WarningMKXColumbia, Dane, Dodge, Green, Iowa, Jefferson and 8 more10 hr
Aug 19, 10:48 AM CDTRiver Flood WarningMKXSauk5 days
Aug 19, 11:10 AM CDTRiver Flood WarningMKXKenosha16 days

Nearby

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

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.