Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 8, NWS La Crosse, WI

May 30, 1989Crawford County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at May 30, 1989, 11:40 AM CDT for Crawford County, Wisconsin. It was in force for 20 min.

The area

The counties it named.

The facts

Issued: May 30, 1989, 11:40 AM CDT (16:40 UTC)
Expired: May 30, 1989, 12:00 PM CDT
In force: 20 min
Issued by: NWS La Crosse, WI
Area: Whole counties

County Crawford County, WI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 4.7 hours before the alert went out and 278 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: 43 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 30, 9:16 AM CDT, 2 hours 24 minutes before

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Special weather statement, May 30, 9:47 AM CDT, 1 hour 53 minutes before

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Special weather statement, May 30, 10:42 AM CDT, 58 minutes before

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Special weather statement, May 30, 10:50 AM CDT, 50 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 7:56 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	34 min
May 29, 11:10 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	20 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1989 Every severe thunderstorm warning in 1989

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.