Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 17, NWS Milwaukee, WI

May 29, 1991Lincoln County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 29, 1991, 1:23 AM CDT for Lincoln County, Wisconsin. It was in force for 67 min. 2 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: May 29, 1991, 1:23 AM CDT (06:23 UTC)
Expired: May 29, 1991, 2:30 AM CDT
In force: 67 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

County Lincoln County, WI

What was reported inside it

Time	Report	Where	Remark
May 29, 2:10 AM CDT	Thunderstorm Wind 50	Lincoln, WI
May 29, 2:15 AM CDT	Thunderstorm Wind 0	Lincoln, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.4 hours before the alert went out and 160 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: NaN m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 179 m²/s²
0-3 km storm-relative helicity: 381 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 11.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, May 28, 11:31 PM CDT, 1 hour 52 minutes before

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Special weather statement, May 28, 11:37 PM CDT, 1 hour 46 minutes before

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Special weather statement, May 29, 12:33 AM CDT, 50 minutes before

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Special weather statement, May 29, 1:17 AM CDT, 6 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
May 29, 12:44 AM CDT	Severe Thunderstorm Warning	MKX	Clark, Taylor	61 min
May 29, 1:23 AM CDT	Severe Thunderstorm Warning	MKX	Marathon	12 min
May 29, 3:43 PM CDT	Severe Thunderstorm Warning	MKX	Marathon	47 min
May 29, 4:59 PM CDT	Severe Thunderstorm Warning	MKX	Lincoln	31 min
May 29, 6:22 PM CDT	Severe Thunderstorm Warning	MKX	Portage	38 min
May 29, 6:41 PM CDT	Severe Thunderstorm Warning	MKX	Wood	34 min
May 29, 6:59 PM CDT	Severe Thunderstorm Warning	MKX	Portage	46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1991 Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.