Alert archive / Wisconsin / Special Weather Statements in 2022

Special Weather Statement, NWS Milwaukee, WI

August 19, 2022Iowa County, Lafayette County, Wisconsin

NWS Milwaukee, WI issued this special weather statement at Aug 19, 2022, 7:41 PM CDT for Iowa County, Lafayette County, Wisconsin. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 19, 2022, 7:41 PM CDT (00:41 UTC)
Expired: Aug 19, 2022, 8:45 PM CDT
In force: 64 min
Issued by: NWS Milwaukee, WI
Hail: 0.75 in
Wind: 30

Counties Iowa County, WI, Lafayette County, WI

The radar

The La Crosse radar (KARX), 113 km from the middle of the area, began a volume at 00:41 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

Davenport, (KDVN), launched 00:00Z, 0.7 hours before the alert went out and 166 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: 1987 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1111 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 19, 2:45 PM CDT, 4 hours 56 minutes earlier.

Area forecast discussion, Aug 19, 2:45 PM CDT, 4 hours 56 minutes before

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Hazardous weather outlook, Aug 19, 2:48 PM CDT, 4 hours 53 minutes before

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In the hours before

Special weather statement, Aug 19, 7:41 PM CDT, 0 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
Aug 19, 7:17 PM CDT	Severe Thunderstorm Warning	MKX	Lafayette	28 min
Aug 19, 8:43 PM CDT	Special Weather Statement	MKX	Iowa, Sauk	62 min
Aug 20, 1:33 AM CDT	Special Marine Warning	MKX		57 min
Aug 20, 1:35 AM CDT	Special Weather Statement	MKX	Kenosha, Milwaukee, Racine, Waukesha	55 min
Aug 20, 2:03 PM CDT	Areal Flood Advisory	MKX	Milwaukee	2 hr
Aug 20, 2:19 PM CDT	Areal Flood Advisory	MKX	Dane, Green, Iowa, Lafayette	114 min

Nearby

Special Weather Statements in Wisconsin, 2022 Every special weather statement in 2022

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.