Alert archive / Wisconsin / Special Weather Statements in 2021

Special Weather Statement, NWS Green Bay, WI

June 24, 2021Kewaunee County, Wisconsin

NWS Green Bay, WI issued this special weather statement at Jun 24, 2021, 3:11 PM CDT for Kewaunee County, Wisconsin. It was in force for 49 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 24, 2021, 3:11 PM CDT (20:11 UTC)
Expired
Jun 24, 2021, 4:00 PM CDT
In force
49 min
Issued by
NWS Green Bay, WI

County Kewaunee County, WI

The radar

The Green Bay radar (KGRB), 61 km from the middle of the area, began a volume at 20:12 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

Detroit, MI (KDTX), launched 12:00Z, 8.2 hours before the alert went out and 400 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, Detroit, MI at 12:00Z on 2021-06-24Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2021-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
1657 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

895 
WWUS83 KGRB 242011
SPSGRB

Special Weather Statement
National Weather Service Green Bay WI
311 PM CDT Thu Jun 24 2021
 
WIZ022-040-242100-
Kewaunee WI-Door WI-
311 PM CDT Thu Jun 24 2021

...SPECIAL WEATHER STATEMENT...

At 309 PM CDT, Doppler radar was tracking thunderstorms over 
Kewaunee and southern Door counties, moving northeast at 25 mph.

Pea size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Sturgeon Bay, Algoma, Egg Harbor, Whitefish Bay, Brussels,
Forestville, Clay Banks, Valmy, Gregorville and Rankin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

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

&&

LAT...LON 4486 8715 4476 8727 4447 8744 4473 8777
      4475 8775 4480 8784 4476 8775 4487 8765
      4494 8745 4508 8735 4488 8714
TIME...MOT...LOC 2009Z 232DEG 21KT 4469 8758 

$$

RDM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 5:24 AM CDTSpecial Weather StatementGRBLincoln51 min
Jun 24, 6:17 AM CDTSpecial Weather StatementGRBForest, Langlade, Marathon, Oneida58 min
Jun 24, 6:56 AM CDTSpecial Weather StatementGRBPortage64 min
Jun 24, 7:27 AM CDTSpecial Weather StatementGRBBrown, Kewaunee, Outagamie, Portage, Shawano, Waupaca and 1 more63 min
Jun 24, 7:39 AM CDTSevere Thunderstorm WarningGRBCalumet, Outagamie, Portage, Waupaca, Waushara, Winnebago and 1 more41 min
Jun 24, 8:25 AM CDTSpecial Weather StatementGRBCalumet, Manitowoc, Waushara, Winnebago50 min
Jun 24, 1:16 PM CDTSpecial Weather StatementGRBDoor, Oconto59 min
Jun 24, 3:55 PM CDTSpecial Weather StatementGRBKewaunee50 min
Jun 24, 4:29 PM CDTSpecial Weather StatementGRBMarathon61 min
Jun 24, 5:20 PM CDTSpecial Weather StatementGRBWood55 min
Jun 24, 5:52 PM CDTSevere Thunderstorm WarningGRBPortage, Wood38 min
Jun 24, 6:23 PM CDTSevere Thunderstorm WarningGRBPortage, Wood52 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.