Alert archive / Wisconsin / Special Weather Statements in 2021

Special Weather Statement, NWS Green Bay, WI

June 8, 20215 counties in Wisconsin

NWS Green Bay, WI issued this special weather statement at Jun 8, 2021, 8:13 PM CDT for 5 counties in Wisconsin. It was in force for 62 min. 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
Jun 8, 2021, 8:13 PM CDT (01:13 UTC)
Expired
Jun 8, 2021, 9:15 PM CDT
In force
62 min
Issued by
NWS Green Bay, WI

Counties Langlade County, WI, Marathon County, WI, Menominee County, WI, Oconto County, WI, Shawano County, WI

The radar

The Green Bay radar (KGRB), 96 km from the middle of the area, began a volume at 01:17 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

TimeReportWhereRemark
Jun 8, 8:17 PM CDTTSTM WND GST 37Shawano, WIG32 KNOTS AT EZS AWOS. TIME ESTIMATED BY RADAR.
Jun 8, 8:20 PM CDTTSTM WND GST 44Wausau, WIG38 KNOTS AT AUW ASOS.
Jun 8, 8:20 PM CDTNON-TSTM WND GST 44Wausau, WIG38 KNOTS AT AUW ASOS.

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 00:00Z, 1.2 hours before the alert went out and 98 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 2021-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1968 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2021-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.1939Sfc1 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
1968 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1515 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

484 
WWUS83 KGRB 090113
SPSGRB

Special Weather Statement
National Weather Service Green Bay WI
813 PM CDT Tue Jun 8 2021
 
WIZ018>021-030-031-073-074-090215-
Southern Oconto County WI-Southern Marinette County WI-Shawano WI-
Langlade WI-Northern Oconto County WI-Marathon WI-Menominee WI-
Lincoln WI-
813 PM CDT Tue Jun 8 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN LINCOLN...MARATHON...
SOUTHERN MARINETTE...MENOMINEE...OCONTO...SOUTHERN LANGLADE AND
SHAWANO COUNTIES UNTIL 915 PM CDT...

At 812 PM CDT, Doppler radar was tracking strong thunderstorms along 
a line extending from 9 miles west of Crivitz to near Keshena to 8 
miles southwest of Antigo to near Rib Mountain. Movement was south 
at 20 mph.

Half inch hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Wausau, Shawano, Antigo, Weston, Merrill, Rib Mountain, Mosinee,
Gillett, Bevent and Wittenberg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4529 8925 4532 8847 4528 8815 4483 8817
      4468 8868 4468 8960 4471 9005 4512 9007
TIME...MOT...LOC 0112Z 007DEG 17KT 4519 8818 4501 8858 4508 8930 4496
8976

$$

Kieckbusch

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 7:31 PM CDTSpecial Weather StatementGRBLanglade, Lincoln, Marathon, Marinette, Menominee59 min
Jun 8, 9:00 PM CDTSpecial Weather StatementGRBMarathon, Portage, Waupaca, Wood60 min
Jun 8, 9:32 PM CDTSpecial Weather StatementGRBPortage, Waupaca, Waushara, Wood58 min
Jun 9, 6:06 PM CDTSpecial Weather StatementGRBIron39 min

Nearby

Special Weather Statements in Wisconsin, 2021Every special weather statement in 2021

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.