Alert archive / Wisconsin / Areal Flood Advisories in 2012

Areal Flood Advisory 2, NWS Milwaukee, WI

May 3, 2012Green Lake County, Marquette County, Wisconsin

NWS Milwaukee, WI issued this areal flood advisory at May 3, 2012, 8:34 AM CDT for Green Lake County, Marquette County, Wisconsin. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: May 3, 2012, 8:34 AM CDT (13:34 UTC)
Expired: May 3, 2012, 11:30 AM CDT
In force: 3 hr
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon

Counties Green Lake County, WI, Marquette County, WI

The radar

The Milwaukee radar (KMKX), 108 km from the middle of the area, began a volume at 13:37 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 1.6 hours before the alert went out and 116 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: 321 J/kg
Mixed-layer CIN: -146 J/kg
Mixed-layer LCL: 565 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 220 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Milwaukee, WI wrote its last area forecast discussion before this areal flood advisory went out at May 3, 4:17 AM CDT, 4 hours 17 minutes earlier.

Area forecast discussion, May 3, 4:17 AM CDT, 4 hours 17 minutes before

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Hazardous weather outlook, May 3, 4:56 AM CDT, 3 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
456 AM CDT THU MAY 3 2012

WIZ046-047-051-052-056>060-062>072-041000-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
456 AM CDT THU MAY 3 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS AS A STATIONARY
FRONT TRIGGERS MORE THUNDERSTORMS. LARGE HAIL AND DAMAGING WINDS
WILL BE THE PRIMARY THREAT. SOME OF THE THUNDERSTORMS COULD
PRODUCE HEAVY RAIN THAT COULD PRODUCE URBAN AND SMALL STREAM
FLOODING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

CHANCES OF THUNDERSTORMS REMAIN IN THE FORECAST THROUGH MONDAY AS
A FRONTAL BOUNDARY WILL BE JUST TO THE SOUTH AND WEST OF
WISCONSIN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT.

LMZ643>646-041000-
SHEBOYGAN TO PORT WASHINGTON WI-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
NORTH POINT LIGHT TO WIND POINT WI-
WIND POINT WI TO WINTHROP HARBOR IL-
456 AM CDT THU MAY 3 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS AS A STATIONARY
FRONT TRIGGERS MORE THUNDERSTORMS. LARGE HAIL AND DAMAGING WINDS
WILL BE THE PRIMARY THREAT.

AREAS OF DENSE FOG ARE POSSIBLE AS MOIST AIR FLOWS OVER THE COLD
WATERS OF LAKE MICHIGAN.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

CHANCES OF THUNDERSTORMS REMAIN IN THE FORECAST THROUGH MONDAY AS
A FRONTAL BOUNDARY WILL BE JUST TO THE SOUTH AND WEST OF
WISCONSIN AND LAKE MICHIGAN.

WWW.WEATHER.GOV/MKX
GEHRING

In the hours before

Local storm report, May 3, 3:12 AM CDT, 5 hours 22 minutes before

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Local storm report, May 3, 4:08 AM CDT, 4 hours 26 minutes before

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Local storm report, May 3, 5:14 AM CDT, 3 hours 20 minutes before

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Local storm report, May 3, 5:47 AM CDT, 2 hours 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
547 AM CDT THU MAY 03 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0540 AM     HEAVY RAIN       3 S BERLIN              43.93N 88.95W
05/03/2012  M4.35 INCH       GREEN LAKE         WI   TRAINED SPOTTER

            TOTAL RAIN FROM OVERNIGHT THUNDERSTORMS.

&&

DDV

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 2:09 AM CDT	Areal Flood Advisory	MKX	Fond du Lac, Green Lake, Marquette	3 hr
May 3, 11:41 AM CDT	Small Craft Advisory	MKX		4 hr
May 3, 12:54 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Jefferson	51 min
May 3, 1:05 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Jefferson	40 min
May 3, 1:29 PM CDT	Severe Thunderstorm Warning	MKX	Jefferson	46 min
May 3, 1:31 PM CDT	Special Marine Warning	MKX		29 min
May 3, 1:41 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Washington	49 min
May 3, 1:53 PM CDT	Special Marine Warning	MKX		37 min
May 3, 2:15 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Ozaukee, Washington, Waukesha	30 min
May 3, 2:23 PM CDT	Special Marine Warning	MKX		12 min
May 3, 2:29 PM CDT	Special Marine Warning	MKX		31 min
May 3, 2:54 PM CDT	Special Marine Warning	MKX		66 min
May 3, 2:59 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge	46 min
May 3, 3:21 PM CDT	Severe Thunderstorm Warning	MKX	Dane	39 min
May 3, 3:52 PM CDT	Severe Thunderstorm Warning	MKX	Dodge	23 min
May 3, 3:52 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Jefferson	23 min
May 3, 4:10 PM CDT	Severe Thunderstorm Warning	MKX	Jefferson, Waukesha	35 min
May 3, 4:17 PM CDT	Special Marine Warning	MKX		43 min

Nearby

Areal Flood Advisories in Wisconsin, 2012 Every areal flood advisory in 2012

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.