Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 61, NWS Green Bay, WI

August 27, 2019Brown County, Kewaunee County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 27, 2019, 2:40 PM CDT for Brown County, Kewaunee County, Manitowoc County, Wisconsin. It was in force for 31 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
Aug 27, 2019, 2:40 PM CDT (19:40 UTC)
Expired
Aug 27, 2019, 3:11 PM CDT
In force
31 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Brown County, WI, Kewaunee County, WI, Manitowoc County, WI

The radar

The Green Bay radar (KGRB), 34 km from the middle of the area, began a volume at 19:39 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, 7.7 hours before the alert went out and 32 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 2019-08-27Temperature 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 2019-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939587897117Sfc1 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
834 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 4:04 AM CDTSmall Craft AdvisoryGRB39 hr
Aug 27, 11:42 AM CDTSpecial Weather StatementGRBVilas48 min
Aug 27, 12:01 PM CDTSpecial Weather StatementGRBOneida29 min
Aug 27, 12:15 PM CDTSpecial Weather StatementGRBLincoln45 min
Aug 27, 12:30 PM CDTSpecial Weather StatementGRBOneida, Vilas45 min
Aug 27, 12:49 PM CDTSpecial Weather StatementGRBWaupaca, Waushara41 min
Aug 27, 12:58 PM CDTSpecial Weather StatementGRBForest, Lincoln47 min
Aug 27, 1:25 PM CDTSpecial Weather StatementGRBBrown, Calumet, Outagamie, Winnebago35 min
Aug 27, 1:37 PM CDTSpecial Weather StatementGRBFlorence, Forest38 min
Aug 27, 1:43 PM CDTSpecial Weather StatementGRBMenominee, Shawano32 min
Aug 27, 2:01 PM CDTSpecial Weather StatementGRBBrown, Calumet44 min
Aug 27, 2:11 PM CDTSpecial Weather StatementGRBMarinette49 min
Aug 27, 2:18 PM CDTSpecial Weather StatementGRBFlorence42 min
Aug 27, 2:25 PM CDTSpecial Weather StatementGRBMenominee, Oconto35 min
Aug 27, 2:45 PM CDTSpecial Marine WarningGRB60 min
Aug 27, 2:54 PM CDTSpecial Weather StatementGRBOconto51 min
Aug 27, 3:01 PM CDTSpecial Weather StatementGRBMarinette44 min
Aug 27, 3:17 PM CDTSpecial Marine WarningGRB58 min
Aug 27, 3:54 PM CDTSpecial Weather StatementGRBDoor51 min
Aug 27, 3:57 PM CDTSpecial Marine WarningGRB78 min
Aug 27, 4:49 PM CDTSpecial Weather StatementGRBLincoln41 min
Aug 27, 5:04 PM CDTSpecial Weather StatementGRBMarathon, Portage, Wood56 min
Aug 27, 5:42 PM CDTSpecial Weather StatementGRBLanglade48 min
Aug 27, 6:03 PM CDTSpecial Weather StatementGRBShawano42 min
Aug 27, 6:20 PM CDTSpecial Weather StatementGRBMarinette40 min
Aug 27, 6:52 PM CDTSpecial Weather StatementGRBOconto38 min
Aug 27, 6:58 PM CDTSpecial Weather StatementGRBOutagamie47 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2019Every severe thunderstorm warning in 2019

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.