Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 40, NWS Green Bay, WI

July 6, 1993Brown County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 6, 1993, 8:58 PM CDT for Brown County, Wisconsin. It was in force for 26 min.

The area

The counties it named.

The facts

Issued: Jul 6, 1993, 8:58 PM CDT (01:58 UTC)
Expired: Jul 6, 1993, 9:24 PM CDT
In force: 26 min
Issued by: NWS Green Bay, WI
Area: Whole counties

County Brown County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.0 hours before the alert went out and 9 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: 1093 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 939 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 215 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 6.9

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, Jul 6, 8:41 PM CDT, 17 minutes before

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Special weather statement, Jul 6, 8:42 PM CDT, 16 minutes before

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Special weather statement, Jul 6, 8:46 PM CDT, 12 minutes before

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Special weather statement, Jul 6, 8:48 PM CDT, 10 minutes before

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Special weather statement, Jul 6, 8:50 PM CDT, 8 minutes before

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Special weather statement, Jul 6, 8:50 PM CDT, 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 7:04 PM CDT	Severe Thunderstorm Warning	GRB	Menominee, Oconto	26 min
Jul 6, 8:35 PM CDT	Severe Thunderstorm Warning	GRB	Waushara	55 min
Jul 6, 9:14 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Waupaca	31 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1993 Every severe thunderstorm warning in 1993

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.