Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 29, NWS Milwaukee, WI

July 10, 2010Fond du Lac County, Green Lake County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 10, 2010, 3:43 PM CDT for Fond du Lac County, Green Lake County, Wisconsin. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 10, 2010, 3:43 PM CDT (20:43 UTC)
Expired
Jul 10, 2010, 4:17 PM CDT
In force
34 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Fond du Lac County, WI, Green Lake County, WI

The radar

The Milwaukee radar (KMKX), 92 km from the middle of the area, began a volume at 20:43 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, 8.7 hours before the alert went out and 95 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 12:00Z on 2010-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2010-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 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
47 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1338 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 10, 3:10 PM CDT, 33 minutes earlier.

Area forecast discussion, Jul 10, 3:10 PM CDT, 33 minutes before
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Hazardous weather outlook, Jul 10, 3:23 PM CDT, 20 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
323 PM CDT SAT JUL 10 2010

WIZ046-047-051-052-056>060-062>072-112030-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
323 PM CDT SAT JUL 10 2010

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

.DAY ONE...REST OF THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL CONTINUE THE REST OF THE
AFTERNOON...DIMINISHING EARLY THIS EVENING. SMALL HAIL AND WIND
GUSTS TO 40 MPH MAY ACCOMPANY THE THUNDERSTORMS. THE STRONGEST
THUNDERSTORMS MAY PRODUCE HAIL TO ONE INCH AND WIND GUSTS TO 60
MPH...MAINLY ALONG AND NORTH OF A LINE FROM REEDSBURG TO COLUMBUS
TO WEST BEND AND SHEBOYGAN.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH SATURDAY

THUNDERSTORMS ARE LIKELY SUNDAY EVENING AS A COLD FRONT AND
VIGOROUS UPPER LEVEL DISTURBANCE PASSES ACROSS THE REGION.
SCATTERED THUNDERSTORMS WILL DEVELOP LATER SUNDAY AFTERNOON...
MAINLY OVER SOUTH CENTRAL WISCONSIN.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS WEST OF A BERLIN TO
MADISON TO MONROE LINE LATE SUNDAY AFTERNOON INTO SUNDAY EVENING.
LARGE HAIL AND DAMAGING WINDS MAY ACCOMPANY THE STRONGEST
THUNDERSTORMS.

THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY NIGHT AND THURSDAY
AS A WEAK COLD FRONT APPROACHES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

LMZ643>646-112030-
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-
323 PM CDT SAT JUL 10 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN.

.DAY ONE...TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED INTO THE EARLY EVENING.
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN EXCESS OF 33 KNOTS
AND HAIL SO BE ALERT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH SATURDAY

A COLD FRONT WILL LIKELY BRING THUNDERSTORMS MAINLY SUNDAY NIGHT
AND MONDAY.

THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY NIGHT AND THURSDAY
AS A WEAK COLD FRONT APPROACHES.

WWW.WEATHER.GOV/MKX

MBK

In the hours before

Special weather statement, Jul 10, 3:07 PM CDT, 36 minutes before
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Special weather statement, Jul 10, 3:16 PM CDT, 27 minutes before
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Special weather statement, Jul 10, 3:33 PM CDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
333 PM CDT SAT JUL 10 2010

WIZ047-051-058-059-102115-
DODGE-FOND DU LAC-GREEN LAKE-WASHINGTON-
333 PM CDT SAT JUL 10 2010

...STRONG THUNDERSTORM MOVING THROUGH FOND DU LAC AND DODGE
COUNTIES...

AT 329 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES EAST OF
RIPON TO 7 MILES NORTH OF BEAVER DAM...MOVING EAST AT 15 MPH.

PEA SIZE HAIL...WINDS UP TO 40 MPH...BRIEF HEAVY DOWNPOURS...ARE
POSSIBLE WITH THESE STORMS.

* THUNDERSTORMS WILL BE NEAR...
  ROSENDALE BY 340 PM CDT...
  WAUPUN BY 345 PM CDT...
  JUNEAU DODGE AIRPORT BY 400 PM CDT...
  HORICON BY 410 PM CDT...
  OAKFIELD AND NORTH FOND DU LAC BY 415 PM CDT...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE
PASSED.

ZABEL
Local storm report, Jul 10, 3:36 PM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
336 PM CDT SAT JUL 10 2010

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

0330 PM     TSTM WND GST     BERLIN                  43.97N 88.95W
07/10/2010  E50 MPH          GREEN LAKE         WI   EMERGENCY MNGR

            PEA SIZE HAIL IN ADDITION

&&

SEARS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 4:18 PM CDTAreal Flood AdvisoryMKXFond du Lac, Green Lake3 hr

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2010Every severe thunderstorm warning in 2010

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.