Alert archive / Wisconsin / Flood Watches in 2025

Flood Watch 3, NWS Green Bay, WI

July 23, 20255 counties in Wisconsin

NWS Green Bay, WI issued this flood watch at Jul 23, 2025, 2:10 PM CDT for 5 counties in Wisconsin. It took effect at Jul 23, 2025, 4:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jul 23, 2025, 2:10 PM CDT (19:10 UTC)
In effect from
Jul 23, 2025, 4:00 PM CDT
Expired
Jul 24, 2025, 1:14 AM CDT
In force
9 hr
Issued by
NWS Green Bay, WI
Flood severity
None

Counties Langlade County, WI, Lincoln County, WI, Marathon County, WI, Oneida County, WI, Vilas County, WI

The radar

The Green Bay radar (KGRB), 153 km from the middle of the area, began a volume at 19:13 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.2 hours before the alert went out and 155 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 2025-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 199 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, Green Bay/Straub, WI at 12:00Z on 2025-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
199 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at Jul 23, 12:56 PM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Jul 23, 12:56 PM CDT, 1 hour 14 minutes before
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Hazardous weather outlook, Jul 23, 5:00 AM CDT, 9 hours 10 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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        Please try again in a few minutes.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 7:54 PM CDTSmall Craft AdvisoryGRB32 hr
Jul 22, 7:58 PM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc32 hr
Jul 23, 3:30 PM CDTSpecial Weather StatementGRBLincoln45 min
Jul 23, 3:37 PM CDTSevere Thunderstorm WarningGRBLincoln, Marathon38 min
Jul 23, 3:58 PM CDTSpecial Weather StatementGRBMarathon32 min
Jul 23, 4:09 PM CDTTornado WarningGRBMarathon20 min
Jul 23, 4:13 PM CDTSpecial Weather StatementGRBForest, Langlade47 min
Jul 23, 4:17 PM CDTSpecial Weather StatementGRBMarathon43 min
Jul 23, 4:27 PM CDTSevere Thunderstorm WarningGRBLanglade, Marathon, Menominee, Shawano48 min
Jul 23, 4:43 PM CDTSpecial Weather StatementGRBMarathon47 min
Jul 23, 5:00 PM CDTAreal Flood AdvisoryGRBMarathon3 hr
Jul 23, 5:02 PM CDTSevere Thunderstorm WarningGRBMarathon, Menominee, Oconto, Shawano43 min
Jul 23, 5:14 PM CDTTornado WarningGRBOutagamie, Waupaca31 min
Jul 23, 5:16 PM CDTTornado WarningGRBMenominee, Oconto, Shawano29 min
Jul 23, 5:37 PM CDTSpecial Marine WarningGRB83 min
Jul 23, 5:37 PM CDTSevere Thunderstorm WarningGRBMarinette, Menominee, Oconto, Outagamie, Shawano, Waupaca38 min
Jul 23, 5:41 PM CDTTornado WarningGRBOconto34 min
Jul 23, 5:59 PM CDTSevere Thunderstorm WarningGRBBrown, Outagamie, Shawano46 min
Jul 23, 6:13 PM CDTSevere Thunderstorm WarningGRBMarinette30 min
Jul 23, 6:26 PM CDTSevere Thunderstorm WarningGRBDoor64 min
Jul 23, 6:29 PM CDTSpecial Marine WarningGRB91 min
Jul 23, 6:37 PM CDTSevere Thunderstorm WarningGRBBrown, Kewaunee, Manitowoc, Outagamie38 min
Jul 23, 6:58 PM CDTSpecial Marine WarningGRB30 min

Nearby

Flood Watches in Wisconsin, 2025Every flood watch in 2025

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.