Alert archive / Wisconsin / Special Weather Statements in 2018

Special Weather Statement, NWS Green Bay, WI

June 15, 2018Langlade County, Marathon County, Menominee County, Wisconsin

NWS Green Bay, WI issued this special weather statement at Jun 15, 2018, 5:47 PM CDT for Langlade County, Marathon County, Menominee County, Wisconsin. It was in force for 43 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
Jun 15, 2018, 5:47 PM CDT (22:47 UTC)
Expired
Jun 15, 2018, 6:30 PM CDT
In force
43 min
Issued by
NWS Green Bay, WI

Counties Langlade County, WI, Marathon County, WI, Menominee County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.8 hours before the alert went out and 145 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 2018-06-15Temperature 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 12:00Z on 2018-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2277 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
184 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 Green Bay, WI wrote its last area forecast discussion before this special weather statement went out at Jun 15, 3:35 PM CDT, 2 hours 12 minutes earlier.

Area forecast discussion, Jun 15, 3:35 PM CDT, 2 hours 12 minutes before
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Hazardous weather outlook, Jun 15, 2:40 PM CDT, 3 hours 7 minutes before
Hazardous Weather Outlook
National Weather Service Green Bay WI
240 PM CDT Fri Jun 15 2018

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-161945-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
240 PM CDT Fri Jun 15 2018

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Tonight

Thunderstorms are possible tonight, especially over northern and
eastern Wisconsin. The primary hazard posed by the storms will be
heavy rainfall and localized flooding, but a few storms could also
be severe and produce large hail and damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

Thunderstorms are likely at times through the weekend and into
early next week. Severe storms with large hail and damaging winds
are possible, though the exact timing of the severe risk is
difficult to discern. The storms could also produce heavy rainfall
and pose a risk of flooding.

Hot and humid conditions are possible on Saturday, and somewhat
more likely on Sunday. Anyone engaged in outdoor activities should
take the forecast conditions into account, and develop a plan to
avoid heat-related illnesses.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report rainfall amounts, flooding, hail,
and damaging winds to the National Weather Service in Green Bay.

LMZ521-522-541>543-161945-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
240 PM CDT Fri Jun 15 2018

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Tonight

Thunderstorms will pose a hazard to boaters on the lake and bay at
times tonight. Dense fog is also possible on the lake at times.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

There is a chance of thunderstorms will continue through Monday
night. Dense fog is also possible at times through Monday night,
especially on the lake.

Skowronski/Uhlmann

In the hours before

Local storm report, Jun 15, 2:21 PM CDT, 3 hours 26 minutes before
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Special weather statement, Jun 15, 3:26 PM CDT, 2 hours 21 minutes before
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Special weather statement, Jun 15, 3:54 PM CDT, 1 hour 53 minutes before
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Special weather statement, Jun 15, 4:33 PM CDT, 1 hour 14 minutes before
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Special weather statement, Jun 15, 5:03 PM CDT, 44 minutes before
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Special weather statement, Jun 15, 5:47 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 3:40 AM CDTSpecial Weather StatementGRBPortage, Waushara, Wood65 min
Jun 15, 3:46 AM CDTSevere Thunderstorm WarningGRBWood44 min
Jun 15, 4:46 AM CDTSpecial Weather StatementGRBMarathon44 min
Jun 15, 5:06 AM CDTSpecial Weather StatementGRBLincoln, Vilas54 min
Jun 15, 5:19 AM CDTSpecial Weather StatementGRBWood41 min
Jun 15, 5:43 AM CDTSpecial Weather StatementGRBMarathon, Portage, Waushara, Wood47 min
Jun 15, 5:47 AM CDTSpecial Weather StatementGRBOneida, Vilas58 min
Jun 15, 6:26 AM CDTSpecial Weather StatementGRBPortage, Waushara79 min
Jun 15, 6:37 AM CDTSpecial Weather StatementGRBVilas53 min
Jun 15, 6:46 AM CDTAreal Flood AdvisoryGRBWaushara3 hr
Jun 15, 7:03 AM CDTAreal Flood AdvisoryGRBPortage3 hr
Jun 15, 7:29 AM CDTSpecial Weather StatementGRBMenominee, Shawano, Waupaca, Winnebago61 min
Jun 15, 8:09 AM CDTSevere Thunderstorm WarningGRBMarathon, Portage43 min
Jun 15, 8:50 AM CDTSpecial Weather StatementGRBForest40 min
Jun 15, 9:21 AM CDTAreal Flood AdvisoryGRBForest, Oneida, Vilas5 hr
Jun 15, 11:29 AM CDTSpecial Weather StatementGRBMenominee, Shawano61 min
Jun 15, 12:06 PM CDTAreal Flood AdvisoryGRBMarathon, Shawano, Waupaca115 min
Jun 15, 12:37 PM CDTSpecial Weather StatementGRBBrown, Kewaunee, Outagamie, Waupaca68 min
Jun 15, 3:26 PM CDTSpecial Weather StatementGRBVilas49 min
Jun 15, 3:54 PM CDTSpecial Weather StatementGRBVilas51 min
Jun 15, 4:33 PM CDTSpecial Weather StatementGRBFlorence, Forest, Lincoln57 min
Jun 15, 4:45 PM CDTAreal Flood AdvisoryGRBLincoln, Oneida, Vilas3 hr
Jun 15, 5:03 PM CDTSpecial Weather StatementGRBMarinette57 min
Jun 15, 6:35 PM CDTSpecial Weather StatementGRBMarathon55 min

Nearby

Special Weather Statements in Wisconsin, 2018Every special weather statement in 2018

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.