Alert archive / Wisconsin / Flood Watches in 2024

Flood Watch 3, NWS Green Bay, WI

August 5, 202412 counties in Wisconsin

NWS Green Bay, WI issued this flood watch at Aug 5, 2024, 2:35 AM CDT for 12 counties in Wisconsin. It took effect at Aug 5, 2024, 7:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Aug 5, 2024, 2:35 AM CDT (07:35 UTC)
In effect from
Aug 5, 2024, 7:00 PM CDT
Expired
Aug 6, 2024, 3:51 AM CDT
In force
9 hr
Issued by
NWS Green Bay, WI
Flood severity
None

Counties Brown County, WI, Calumet County, WI, Kewaunee County, WI, Manitowoc County, WI, Marathon County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 51 km from the middle of the area, began a volume at 07:34 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, 7.6 hours before the alert went out and 388 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 2024-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 992 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 00:00Z on 2024-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 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
992 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 10:32 PM CDTSpecial Weather StatementGRBKewaunee43 min
Aug 4, 10:58 PM CDTSpecial Marine WarningGRB32 min
Aug 4, 11:37 PM CDTSpecial Weather StatementGRBCalumet53 min
Aug 5, 12:09 AM CDTSpecial Weather StatementGRBCalumet36 min
Aug 5, 10:19 AM CDTSmall Craft AdvisoryGRB41 hr
Aug 5, 10:20 AM CDTBeach Hazards StatementGRBKewaunee, Manitowoc41 hr

Nearby

Flood Watches in Wisconsin, 2024Every flood watch 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.