Alert archive / Wisconsin / Special Weather Statements in 2017

Special Weather Statement, NWS Milwaukee, WI

March 23, 2017Dane County, Wisconsin

NWS Milwaukee, WI issued this special weather statement at Mar 23, 2017, 8:02 PM CDT for Dane County, Wisconsin. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 23, 2017, 8:02 PM CDT (01:02 UTC)
Expired
Mar 23, 2017, 8:30 PM CDT
In force
28 min
Issued by
NWS Milwaukee, WI

County Dane County, WI

The radar

The Milwaukee radar (KMKX), 66 km from the middle of the area, began a volume at 01:03 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 00:00Z, 1.0 hours before the alert went out and 175 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 2017-03-24Temperature 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°0°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 2017-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 393 square meters per square second.1939587897Sfc1 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
1428 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
393 m²/s²
0-3 km storm-relative helicity
463 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 23, 7:36 PM CDT, 26 minutes earlier.

Area forecast discussion, Mar 23, 7:36 PM CDT, 26 minutes before
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Hazardous weather outlook, Mar 23, 3:19 PM CDT, 4 hours 43 minutes before
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
319 PM CDT Thu Mar 23 2017

WIZ046-047-051-052-056>060-062>072-242030-
Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
319 PM CDT Thu Mar 23 2017

This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin, and southeast Wisconsin.

.DAY ONE...Late This Afternoon and Tonight

There is a small chance for thunderstorms late this afternoon and
evening. Small hail may accompany the thunderstorms.

.DAYS TWO THROUGH SEVEN...Friday through Thursday

There is a chance for thunderstorms Friday afternoon and Friday
night as a warm front wavers across southern Wisconsin.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected.

LMZ643>646-242030-
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-
319 PM CDT Thu Mar 23 2017

This Hazardous Weather Outlook is for portions of Lake Michigan.

.DAY ONE...Late this Afternoon and Tonight

A Small Craft Advisory is in effect through this evening north of
North Point Light and into the early evening south of North Point
Light.

There is a slight chance of thunderstorms this evening.

.DAYS TWO THROUGH SEVEN...Friday through Thursday

There is a chance for thunderstorms Friday night.

Northeast winds and waves will likely reach Small Craft Advisory
criteria Friday night and Saturday.

www.weather.gov/mkx

MBK

In the hours before

Local storm report, Mar 23, 7:30 PM CDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
730 PM CDT THU MAR 23 2017

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

0719 PM     HAIL             5 E MADISON             43.08N 89.28W
03/23/2017  M0.25 INCH       DANE               WI   PUBLIC

            0.25 INCH - 0.50 INCH HAIL AT INTERSECTIONS OF HWYS 30
            AND I-90. SOME HAIL ACCUMULATION.

&&

BHAHN
Local storm report, Mar 23, 7:33 PM CDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
733 PM CDT THU MAR 23 2017

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

0715 PM     HAIL             MADISON                 43.08N 89.38W
03/23/2017  M0.25 INCH       DANE               WI   TRAINED SPOTTER

            EXACT LOCATION UNKNOWN. 0.25 INCH-0.50 INCH HAIL MIXED
            WITH HEAVY RAIN. STARTED AT 715 PM AND LASTED 5-10
            MINUTES.

&&

BHAHN
Local storm report, Mar 23, 7:42 PM CDT, 20 minutes before
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Local storm report, Mar 23, 7:46 PM CDT, 16 minutes before
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Local storm report, Mar 23, 7:47 PM CDT, 15 minutes before
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Special weather statement, Mar 23, 8:02 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 7:03 PM CDTSpecial Weather StatementMKXWalworth27 min
Mar 23, 7:22 PM CDTSevere Thunderstorm WarningMKXDane, Jefferson53 min
Mar 23, 7:26 PM CDTSpecial Weather StatementMKXJefferson49 min
Mar 23, 7:35 PM CDTSmall Craft AdvisoryMKX5 hr
Mar 23, 7:49 PM CDTSevere Thunderstorm WarningMKXJefferson, Waukesha56 min
Mar 23, 8:23 PM CDTSpecial Weather StatementMKXMilwaukee, Racine37 min
Mar 23, 8:44 PM CDTSevere Thunderstorm WarningMKXRacine27 min
Mar 23, 8:49 PM CDTSpecial Marine WarningMKX56 min
Mar 23, 9:11 PM CDTSpecial Weather StatementMKXRacine34 min
Mar 23, 9:41 PM CDTSpecial Marine WarningMKX49 min
Mar 24, 2:53 AM CDTSmall Craft AdvisoryMKX52 hr

Nearby

Special Weather Statements in Wisconsin, 2017Every special weather statement in 2017

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.