Alert archive / Wisconsin / Flash Flood Warnings in 2008

Flash Flood Warning 3, NWS Milwaukee, WI

April 25, 2008Ozaukee County, Sheboygan County, Washington County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Apr 25, 2008, 6:09 PM CDT for Ozaukee County, Sheboygan County, Washington 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: Apr 25, 2008, 6:09 PM CDT (23:09 UTC)
Expired: Apr 25, 2008, 9:15 PM CDT
In force: 3 hr
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Flood severity: None

Counties Ozaukee County, WI, Sheboygan County, WI, Washington County, WI

The radar

The Milwaukee radar (KMKX), 92 km from the middle of the area, began a volume at 23:11 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

Time	Report	Where	Remark
Apr 25, 7:40 PM CDT	FLOOD	2 N West Bend, WI	2.00 INCHES OF RAINFALL FROM STORMS TODAY. TORRENTIAL RAINFALL AT TIMES. NEIGHBOR HAS STANDING WATER ALL OVER FRONT LAWN.
Apr 25, 8:47 PM CDT	FLASH FLOOD	Boltonville, WI	GENERAL FLOODING OF ROADS IN THE TOWNSHIP OF FARMINGTON.
Apr 25, 8:47 PM CDT	FLASH FLOOD	Hingham, WI	COUPLE OF INCHES ACROSS THE ROAD AT STATE HIGHWAY 57 AND COUNTY HIGHWAY F.

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 12:00Z, 11.2 hours before the alert went out and 92 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 806 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 240 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 252309
FFWMKX
WIC089-117-131-260215-
/O.NEW.KMKX.FF.W.0003.080425T2309Z-080426T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
609 PM CDT FRI APR 25 2008

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SHEBOYGAN COUNTY IN EAST CENTRAL WISCONSIN...
  NORTHERN OZAUKEE COUNTY IN SOUTHEAST WISCONSIN...  
  NORTHEASTERN WASHINGTON COUNTY IN SOUTHEAST WISCONSIN...

* UNTIL 915 PM CDT

* AT 607 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAINFALL FROM A SERIES OF THUNDERSTORMS OVER THE WARNED 
  AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SHEBOYGAN...SHEBOYGAN FALLS...PLYMOUTH...KOHLER...HOWARDS GROVE AND
  ELKHART LAKE

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.

LAT...LON 4356 8778 4354 8786 4342 8793 4345 8829
      4355 8824 4355 8815 4388 8816 4390 8814
      4389 8772 4382 8773 4378 8769 4368 8769
TIME...MOT...LOC 2309Z 180DEG 0KT 4369 8795

$$

BORGHOFF

1 follow-up statement

000 
WGUS73 KMKX 260219
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
917 PM CDT FRI APR 25 2008

WIC089-117-131-260227-
/O.EXP.KMKX.FF.W.0003.000000T0000Z-080426T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SHEBOYGAN WI-WASHINGTON WI-OZAUKEE WI-
917 PM CDT FRI APR 25 2008

...THE FLASH FLOOD WARNING HAS EXPIRED FOR NORTH CENTRAL OZAUKEE...
NORTHEASTERN WASHINGTON AND SHEBOYGAN COUNTIES...

THUNDERSTORMS HAVE MOVED OUT OVER LAKE MICHIGAN...ENDING THE 
POTENTIAL FOR FURTHER FLASH FLOODING. AN URBAN AND SMALL STREAM 
FLOOD ADVISORY WILL BE ISSUED SHORTLY FOR RESIDUAL STANDING WATER ON 
ROADWAYS AND LOW-LAND LOCATIONS. 

LAT...LON 4356 8778 4354 8786 4342 8793 4345 8829
      4355 8824 4355 8815 4388 8816 4390 8814
      4389 8772 4382 8773 4378 8769 4368 8769
TIME...MOT...LOC 2309Z 180DEG 0KT 4369 8795

$$

REM

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 3:59 AM CDT	Flood Watch	MKX	Dane, Green, Iowa, Lafayette, Rock, Sauk	15 hr
Apr 25, 6:10 AM CDT	River Flood Warning	MKX	Jefferson	8 days
Apr 25, 7:06 AM CDT	River Flood Warning	MKX	Lafayette	62 hr
Apr 25, 7:06 AM CDT	River Flood Warning	MKX	Lafayette	46 hr
Apr 25, 7:06 AM CDT	River Flood Warning	MKX	Green	13 days
Apr 25, 8:57 AM CDT	Areal Flood Advisory	MKX	Iowa, Lafayette	3 hr
Apr 25, 10:00 AM CDT	Severe Thunderstorm Warning	MKX	Rock, Walworth	30 min
Apr 25, 10:18 AM CDT	Severe Thunderstorm Warning	MKX	Jefferson, Waukesha	29 min
Apr 25, 12:33 PM CDT	River Flood Warning	MKX	Jefferson	4 days
Apr 25, 12:33 PM CDT	River Flood Warning	MKX	Jefferson	3 hr
Apr 25, 12:54 PM CDT	River Flood Warning	MKX	Rock	63 hr
Apr 25, 3:13 PM CDT	Severe Thunderstorm Warning	MKX	Iowa	47 min
Apr 25, 3:53 PM CDT	Flash Flood Warning	MKX	Iowa	3 hr
Apr 25, 4:16 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dane, Iowa, Sauk	59 min
Apr 25, 4:28 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Fond du Lac	62 min
Apr 25, 4:30 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Green Lake, Marquette, Sauk	60 min
Apr 25, 4:37 PM CDT	Severe Thunderstorm Warning	MKX	Rock, Walworth	53 min
Apr 25, 4:41 PM CDT	Flash Flood Warning	MKX	Columbia, Sauk	3 hr
Apr 25, 4:55 PM CDT	Tornado Warning	MKX	Columbia, Sauk	50 min
Apr 25, 5:00 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac, Sheboygan	45 min
Apr 25, 5:34 PM CDT	Tornado Warning	MKX	Columbia, Green Lake	41 min
Apr 25, 5:48 PM CDT	Tornado Warning	MKX	Fond du Lac, Green Lake	42 min
Apr 25, 6:02 PM CDT	Severe Thunderstorm Warning	MKX	Washington	28 min
Apr 25, 6:32 PM CDT	Special Marine Warning	MKX		88 min
Apr 25, 6:34 PM CDT	Areal Flood Advisory	MKX	Dodge, Jefferson, Racine, Rock, Walworth, Washington and 1 more	3 hr
Apr 25, 6:54 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Ozaukee, Washington, Waukesha	51 min

Nearby

Flash Flood Warnings in Wisconsin, 2008 Every flash flood warning in 2008

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.