Alert archive / Wisconsin / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

July 28, 2021Rusk County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Jul 28, 2021, 7:19 PM CDT for Rusk County, Wisconsin. It was in force for 26 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
Jul 28, 2021, 7:19 PM CDT (00:19 UTC)
Expired
Jul 28, 2021, 7:45 PM CDT
In force
26 min
Issued by
NWS Twin Cities, MN
Hail
0.88 in
Wind
40

County Rusk County, WI

The radar

The Duluth radar (KDLH), 176 km from the middle of the area, began a volume at 00:19 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

Minneapolis, MN (KMPX), launched 00:00Z, 0.3 hours before the alert went out and 218 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, Minneapolis, MN at 00:00Z on 2021-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4815 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 00:00Z on 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 374 square meters per square second.19395878Sfc1 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
4815 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
374 m²/s²
0-3 km storm-relative helicity
461 m²/s²
Significant tornado parameter
8.9
Supercell composite
48.1

Open this sounding in Storm Lab

The text

As transmitted.

848 
WWUS83 KMPX 290019
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
719 PM CDT Wed Jul 28 2021
 
WIZ016-290045-
Rusk WI-
719 PM CDT Wed Jul 28 2021

...A strong thunderstorm will impact portions of northeastern Rusk
County through 745 PM CDT...

At 718 PM CDT, Doppler radar was tracking a strong thunderstorm near
Exeland, or 12 miles north of Ladysmith, moving southeast at 80 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

This strong thunderstorm will be near...
  Hawkins around 735 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

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

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
northwestern Wisconsin.

&&

LAT...LON 4538 9084 4563 9142 4564 9141 4564 9068
      4538 9068
TIME...MOT...LOC 0018Z 292DEG 71KT 4565 9114 

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

$$

Dye

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 8:55 PM CDTSevere Thunderstorm WarningMPXChisago50 min
Jul 28, 9:37 PM CDTSevere Thunderstorm WarningMPXWashington38 min
Jul 28, 10:21 PM CDTSevere Thunderstorm WarningMPXWashington24 min
Jul 28, 10:57 PM CDTSevere Thunderstorm WarningMPXGoodhue48 min
Jul 28, 7:37 PM CDTSevere Thunderstorm WarningMPXRusk23 min
Jul 28, 7:43 PM CDTSevere Thunderstorm WarningMPXBarron, Polk, Rusk32 min
Jul 28, 8:01 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Rusk44 min
Jul 28, 8:09 PM CDTTornado WarningMPXPolk35 min
Jul 28, 8:46 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Rusk59 min
Jul 28, 9:08 PM CDTTornado WarningMPXChippewa37 min
Jul 28, 9:25 PM CDTSevere Thunderstorm WarningMPXDunn, Saint Croix65 min
Jul 28, 9:30 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire60 min
Jul 28, 9:36 PM CDTTornado WarningMPXSaint Croix24 min
Jul 28, 9:55 PM CDTTornado WarningMPXSaint Croix35 min
Jul 28, 10:09 PM CDTSevere Thunderstorm WarningMPXDunn, Pepin, Pierce, Saint Croix51 min
Jul 28, 10:18 PM CDTSevere Thunderstorm WarningMPXDunn, Eau Claire, Pepin42 min
Jul 28, 10:36 PM CDTSevere Thunderstorm WarningMPXPepin39 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.