Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 145, NWS Milwaukee, WI

July 14, 2024Jefferson County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 14, 2024, 5:44 AM CDT for Jefferson County, Wisconsin. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 14, 2024, 5:44 AM CDT (10:44 UTC)
Expired: Jul 14, 2024, 6:30 AM CDT
In force: 46 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Jefferson County, WI

The radar

The Milwaukee radar (KMKX), 19 km from the middle of the area, began a volume at 10:45 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 00:00Z, 10.7 hours before the alert went out and 171 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 979 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1068 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 14, 3:59 AM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, Jul 14, 3:59 AM CDT, 1 hour 45 minutes before

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Hazardous weather outlook, Jul 14, 4:05 AM CDT, 1 hour 39 minutes before

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In the hours before

Local storm report, Jul 13, 11:59 PM CDT, 5 hours 45 minutes before

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Special weather statement, Jul 14, 4:50 AM CDT, 54 minutes before

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Special weather statement, Jul 14, 5:01 AM CDT, 43 minutes before

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Special weather statement, Jul 14, 5:30 AM CDT, 14 minutes before

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Special weather statement, Jul 14, 5:33 AM CDT, 11 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 7:21 PM CDT	Special Weather Statement	MKX	Columbia	54 min
Jul 13, 7:22 PM CDT	Special Weather Statement	MKX	Dane, Iowa, Sauk	53 min
Jul 13, 7:29 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge, Fond du Lac, Green Lake	46 min
Jul 13, 7:56 PM CDT	Special Weather Statement	MKX	Dane, Dodge, Green, Jefferson, Rock	64 min
Jul 13, 8:01 PM CDT	Areal Flood Advisory	MKX	Dane	3 hr
Jul 13, 8:03 PM CDT	Special Weather Statement	MKX	Fond du Lac, Sheboygan	57 min
Jul 13, 8:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MKX	Dodge, Fond du Lac, Ozaukee, Sheboygan, Washington	63 min
Jul 13, 8:15 PM CDT	Special Marine Warning	MKX		2 hr
Jul 13, 8:32 PM CDT	Special Marine Warning	MKX		118 min
Jul 13, 8:40 PM CDT	Special Weather Statement	MKX	Kenosha, Milwaukee, Ozaukee, Racine, Washington, Waukesha	65 min
Jul 13, 8:49 PM CDT	Areal Flood Advisory	MKX	Dane, Iowa, Sauk	3 hr
Jul 13, 8:55 PM CDT	Special Weather Statement	MKX	Green, Rock, Walworth	35 min
Jul 13, 9:07 PM CDT	Areal Flood Advisory	MKX	Dane, Green, Jefferson, Rock	3 hr
Jul 13, 9:07 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green	23 min
Jul 13, 9:14 PM CDT	Special Marine Warning	MKX		2 hr
Jul 13, 9:48 PM CDT	Special Weather Statement	MKX	Iowa, Lafayette	87 min
Jul 13, 10:25 PM CDT	Special Weather Statement	MKX	Columbia	65 min
Jul 13, 10:37 PM CDT	Areal Flood Advisory	MKX	Columbia	3 hr
Jul 13, 11:12 PM CDT	Flash Flood Warning	MKX	Columbia	3 hr
Jul 13, 11:18 PM CDT	Areal Flood Advisory	MKX	Columbia	3 hr
Jul 13, 11:26 PM CDT	Special Weather Statement	MKX	Columbia	64 min
Jul 13, 11:39 PM CDT	Flash Flood Warning	MKX	Columbia, Dane, Dodge, Jefferson	3 hr
Jul 14, 12:20 AM CDT	Areal Flood Advisory	MKX	Green	3 hr
Jul 14, 3:29 AM CDT	River Flood Warning	MKX	Jefferson	8 days
Jul 14, 4:07 AM CDT	Severe Thunderstorm Warning	MKX	Sauk	53 min
Jul 14, 4:50 AM CDT	Special Weather Statement	MKX	Columbia	40 min
Jul 14, 5:01 AM CDT	Special Weather Statement	MKX	Dane, Iowa	44 min
Jul 14, 5:12 AM CDT	Areal Flood Advisory	MKX	Columbia, Dane, Dodge, Jefferson, Marquette, Sauk	3 hr
Jul 14, 5:30 AM CDT	Special Weather Statement	MKX	Lafayette	45 min
Jul 14, 5:33 AM CDT	Special Weather Statement	MKX	Jefferson	42 min
Jul 14, 5:53 AM CDT	Special Weather Statement	MKX	Green, Rock	52 min
Jul 14, 6:08 AM CDT	Special Weather Statement	MKX	Walworth, Waukesha	52 min
Jul 14, 6:20 AM CDT	Special Weather Statement	MKX	Walworth	25 min
Jul 14, 6:33 AM CDT	Special Weather Statement	MKX	Milwaukee	27 min
Jul 14, 6:35 AM CDT	Special Marine Warning	MKX		85 min
Jul 14, 6:37 AM CDT	Special Weather Statement	MKX	Kenosha, Racine, Walworth	68 min
Jul 14, 6:46 AM CDT	Special Marine Warning	MKX		89 min
Jul 14, 7:03 AM CDT	Special Weather Statement	MKX	Milwaukee	27 min
Jul 14, 8:17 AM CDT	River Flood Watch	MKX	Jefferson	38 hr
Jul 14, 6:49 PM CDT	Special Weather Statement	MKX	Dane	26 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2024 Every severe thunderstorm 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; radar from the NEXRAD Level II archive.