Alert archive / Wisconsin / Special Weather Statements in 2024

Special Weather Statement, NWS Duluth, MN

July 6, 2024Douglas County, Wisconsin

NWS Duluth, MN issued this special weather statement at Jul 6, 2024, 3:16 PM CDT for Douglas County, Wisconsin. It was in force for 14 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 6, 2024, 3:16 PM CDT (20:16 UTC)
Expired
Jul 6, 2024, 3:30 PM CDT
In force
14 min
Issued by
NWS Duluth, MN
Hail
0.50 in
Wind
30

County Douglas County, WI

The radar

The Duluth radar (KDLH), 53 km from the middle of the area, began a volume at 20:19 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 12:00Z, 8.3 hours before the alert went out and 248 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 12:00Z on 2024-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 321 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, Minneapolis, MN at 12:00Z on 2024-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
321 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1119 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Duluth, MN wrote its last area forecast discussion before this special weather statement went out at Jul 6, 12:52 PM CDT, 2 hours 24 minutes earlier.

Area forecast discussion, Jul 6, 12:52 PM CDT, 2 hours 24 minutes before
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Jul 6, 4:10 AM CDT, 11 hours 6 minutes before
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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, Jul 6, 3:05 PM CDT, 11 minutes before
Special Weather Statement
National Weather Service Duluth MN
305 PM CDT Sat Jul 6 2024

MNZ012-020-021-062030-
Northern Cook/Northern Lake MN-Southern Cook/North Shore MN-
Southern Lake/North Shore MN-
305 PM CDT Sat Jul 6 2024

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL LAKE COUNTY THROUGH
330 PM CDT...

At 305 PM CDT, Doppler radar was tracking a strong thunderstorm over
Isabella, or 28 miles southeast of Ely, moving southeast at 15 mph.

HAZARD...Wind gusts up to 40 mph and nickel size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Clear Lake, Isabella, George Manitou State Park, Dumbbell Lake,
Finland, and Murphy City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4759 9155 4774 9142 4763 9096 4739 9114
TIME...MOT...LOC 2005Z 297DEG 13KT 4764 9139

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

BJH
Special weather statement, Jul 6, 3:16 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Duluth MN
316 PM CDT Sat Jul 6 2024

WIZ001-002-062030-
Douglas WI-Bayfield WI-
316 PM CDT Sat Jul 6 2024

...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL BAYFIELD AND
NORTHEASTERN DOUGLAS COUNTIES THROUGH 330 PM CDT...

At 316 PM CDT, Doppler radar was tracking a strong thunderstorm near
Maple, or 23 miles east of Superior, moving northeast at 10 mph.

HAZARD...Half inch hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vegetation is possible.

Locations impacted include...
Lake Nebagamon, Maple, Brule, Poplar, Oulu, Blueberry, and Waino.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4650 9166 4658 9178 4675 9156 4663 9139
TIME...MOT...LOC 2016Z 225DEG 9KT 4659 9164

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH

BJH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 3:05 PM CDTSpecial Weather StatementDLHLake25 min
Jul 6, 3:18 PM CDTSpecial Weather StatementDLHCook27 min
Jul 6, 6:43 PM CDTAreal Flood AdvisoryDLHDouglas3 hr

Nearby

Special Weather Statements in Wisconsin, 2024Every special weather statement in 2024

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.