Alert archive / Wisconsin / Special Weather Statements in 2021

Special Weather Statement, NWS Milwaukee, WI

June 7, 2021Green County, Wisconsin

NWS Milwaukee, WI issued this special weather statement at Jun 7, 2021, 2:13 PM CDT for Green County, Wisconsin. It was in force for 32 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 7, 2021, 2:13 PM CDT (19:13 UTC)
Expired
Jun 7, 2021, 2:45 PM CDT
In force
32 min
Issued by
NWS Milwaukee, WI

County Green County, WI

The radar

The Milwaukee radar (KMKX), 108 km from the middle of the area, began a volume at 19:16 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

Davenport, (KDVN), launched 12:00Z, 7.2 hours before the alert went out and 126 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, Davenport, at 12:00Z on 2021-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1093 joules per kilogram.LCLLFCEL10008507005003002001001 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, Davenport, at 12:00Z on 2021-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
1093 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

420 
WWUS83 KMKX 071913
SPSMKX

Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
213 PM CDT Mon Jun 7 2021

WIZ068-071945-
Green-

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN GREEN COUNTY...

At 213 PM CDT, a strong thunderstorm was located near Monroe. The
storm is nearly stationary.

Winds of 30 to 40 mph and pea size hail are possible with this storm.

Locations impacted include...
Browntown and Jordan Center. 

If outdoors, consider seeking shelter inside a building.

LAT...LON 4261 8984 4269 8984 4270 8969 4257 8969
      4256 8982
TIME...MOT...LOC 1913Z 172DEG 4KT 4262 8977 

$$

CMILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 2:33 PM CDTMarine Dense Fog AdvisoryMKX54 hr

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.