Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 2, NWS Duluth, MN

May 23, 1989Bayfield County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at May 23, 1989, 2:22 PM CDT for Bayfield County, Wisconsin. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
May 23, 1989, 2:22 PM CDT (19:22 UTC)
Expired
May 23, 1989, 3:30 PM CDT
In force
68 min
Issued by
NWS Duluth, MN
Area
Whole counties

County Bayfield 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, 7.4 hours before the alert went out and 273 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1989-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1989-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1227 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
300 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.

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 1:37 PM CDTSevere Thunderstorm WarningDLHAshland, Bayfield38 min
May 23, 3:08 PM CDTSevere Thunderstorm WarningDLHVilas37 min
May 23, 5:15 PM CDTSevere Thunderstorm WarningDLHOneida30 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1989Every 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.