Alert archive / Wisconsin / Winter Storm Warnings in 2019

Winter Storm Warning 14, NWS Green Bay, WI

December 29, 201915 counties in Wisconsin

NWS Green Bay, WI issued this winter storm warning at Dec 29, 2019, 2:52 PM CST for 15 counties in Wisconsin. It took effect at Dec 30, 2019, 6:00 AM CST. It was in force for 18 hr. 27 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 29, 2019, 2:52 PM CST (20:52 UTC)
In effect from
Dec 30, 2019, 6:00 AM CST
Expired
Dec 31, 2019, 12:00 AM CST
In force
18 hr
Issued by
NWS Green Bay, WI

Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 101 km from the middle of the area, began a volume at 20:51 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.

What was reported inside it

TimeReportWhereRemark
Dec 30, 9:50 AM CSTSNOW 1.2Wautoma, WI
Dec 30, 9:51 AM CSTSNOW 1.2Spencer, WI
Dec 30, 9:52 AM CSTSNOW 112 W Land O Lakes, WI
Dec 30, 10:23 AM CSTSNOW 1.6Phelps, WI
Dec 30, 10:58 AM CSTSNOW 2.8Rhinelander, WIVIA WJFW-TV 12
Dec 30, 1:30 PM CSTSNOW 2.4Wausau, WISNOW AMOUNT SO FAR. WSAW-TV.
Dec 30, 3:00 PM CSTHEAVY SNOW 6.6Rhinelander, WISNOWFALL TOTAL SO FAR - MODERATE SNOW STILL FALLING. REPORT COURTESY OF WJFW-TV.
Dec 30, 3:05 PM CSTSNOW 0.8Lake Tomahawk, WISNOW AMOUNTS SO FAR.
Dec 30, 3:15 PM CSTSNOW 3.5Wausau, WISNOWFALL TOTAL SO FAR - STILL SNOWING. REPORT COURTESY OF WSAW-TV.
Dec 30, 3:39 PM CSTSNOW 4.71 E Polonia, WI
Dec 30, 4:00 PM CSTSNOW 0.8Marinette, WILESS THAN AN INCH SO FAR IN MARINETTE
Dec 30, 4:00 PM CSTSNOW 4Beecher, WIESTIMATED SNOWFALL TOTAL SO FAR
Dec 30, 4:05 PM CSTSNOW 3.2Plover, WISNOW AMOUNT SO FAR. MELTED TO 0.40 INCHES LIQUID.
Dec 30, 4:10 PM CSTSNOW 3Crandon, WIESTIMATED SNOWFALL TOTAL SO FAR IN CRANDON
Dec 30, 4:13 PM CSTSNOW 3.5Antigo, WIESTIMATED SNOWFALL TOTAL SO FAR IN ANTIGO
Dec 30, 4:49 PM CSTSNOW 43 Nw Port Edwards, WI
Dec 30, 5:58 PM CSTHEAVY SNOW 6Eagle River, WIESTIMATED SNOWFALL TOTAL SO FAR
Dec 30, 6:00 PM CSTSNOW 2Shawano, WIESTIMATED SNOWFALL TOTAL SO FAR
Dec 30, 6:11 PM CSTSNOW 5Florence, WIESTIMATED SNOWFALL TOTAL SO FAR
Dec 30, 7:58 PM CSTHEAVY SNOW 7.5Wausau, WISNOWFALL TOTAL SO FAR - REPORT COURTESY OF WSAW-TV.
Dec 30, 8:00 PM CSTHEAVY SNOW 8.8Rhinelander, WISNOWFALL TOTAL SO FAR - LIGHT SNOW OR FLURRIES STILL OCCURRING. REPORT COURTESY OF WJFW-TV.
Dec 30, 8:58 PM CSTSNOW 6.1Plover, WISNOW AMOUNT SO FAR. SNOW IS STARTING TO WIND DOWN. LIQUID MEASURED 0.67 INCHES.
Dec 30, 9:01 PM CSTHEAVY SNOW 6.1Plover, WI
Dec 30, 9:05 PM CSTSNOW 73 E Knowlton, WIFROM THE TOWNSHIP OF GUENTHER. SNOW AMOUNT SO FAR. STILL A LITTLE LIGHT SNOW FALLING.
Dec 30, 9:52 PM CSTHEAVY SNOW 6.5Wautoma, WIREPORT RELAYED BY WFRV-TV.
Dec 30, 10:10 PM CSTHEAVY SNOW 6.52 N Wausau, WIREPORT COURTESY OF WSAW-TV
Dec 30, 10:31 PM CSTSNOW 3.8Antigo, WISTILL SNOWING LIGHTLY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.9 hours before the alert went out and 103 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 2019-12-29Temperature 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 2019-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 806 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
475 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
806 m²/s²
0-3 km storm-relative helicity
857 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 Green Bay, WI wrote its last area forecast discussion before this winter storm warning went out at Dec 29, 2:40 PM CST, 12 minutes earlier.

Area forecast discussion, Dec 29, 2:40 PM CST, 12 minutes before
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Hazardous weather outlook, Dec 29, 4:05 AM CST, 10 hours 47 minutes before
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In the hours before

Special weather statement, Dec 29, 9:44 AM CST, 5 hours 8 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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Local storm report, Dec 29, 11:06 AM CST, 3 hours 46 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.
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        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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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 2:54 AM CSTWinter Storm WatchGRBFlorence, Forest, Langlade, Lincoln, Marathon, Marinette and 8 more12 hr
Dec 29, 9:43 AM CSTMarine Dense Fog AdvisoryGRB22 hr
Dec 29, 2:52 PM CSTWinter Weather AdvisoryGRBBrown, Calumet, Door, Kewaunee, Manitowoc, Outagamie and 2 more33 hr

Nearby

Winter Storm Warnings in Wisconsin, 2019Every winter storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.