Alert archive / Wisconsin / Winter Storm Warnings in 2024

Winter Storm Warning 4, NWS Milwaukee, WI

April 2, 20247 counties in Wisconsin

NWS Milwaukee, WI issued this winter storm warning at Apr 2, 2024, 3:41 AM CDT for 7 counties in Wisconsin. It took effect at Apr 2, 2024, 1:00 PM CDT. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 2, 2024, 3:41 AM CDT (08:41 UTC)
In effect from
Apr 2, 2024, 1:00 PM CDT
Expired
Apr 3, 2024, 3:17 AM CDT
In force
14 hr
Issued by
NWS Milwaukee, WI

Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green Lake County, WI, Marquette County, WI, Sauk County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.7 hours before the alert went out and 137 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 00:00Z on 2024-04-02Temperature 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 00:00Z on 2024-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Milwaukee, WI wrote its last area forecast discussion before this winter storm warning went out at Apr 1, 9:48 PM CDT, 5 hours 53 minutes earlier.

Area forecast discussion, Apr 1, 9:48 PM CDT, 5 hours 53 minutes before
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Hazardous weather outlook, Apr 1, 9:11 PM CDT, 6 hours 30 minutes before
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  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 9:56 PM CDTRiver Flood WatchMKXKenosha8 hr
Apr 2, 3:41 AM CDTWinter Weather AdvisoryMKXColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 10 more31 hr
Apr 2, 6:02 AM CDTRiver Flood WarningMKXKenosha21 days
Apr 2, 9:43 AM CDTRiver Flood WatchMKXGreen, Rock11 hr
Apr 2, 2:10 PM CDTWinter Weather AdvisoryMKXDodge21 hr
Apr 2, 2:46 PM CDTWinter Weather AdvisoryMKXDane20 hr
Apr 2, 3:38 PM CDTRiver Flood WarningMKXWaukesha3 days
Apr 2, 3:43 PM CDTRiver Flood WarningMKXRacine48 hr

Nearby

Winter Storm Warnings in Wisconsin, 2024Every winter storm warning 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.