Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 174, NWS Twin Cities, MN

August 13, 1996Barron County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 13, 1996, 9:59 PM CDT for Barron County, Wisconsin. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 13, 1996, 9:59 PM CDT (02:59 UTC)
Expired
Aug 13, 1996, 11:00 PM CDT
In force
61 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Barron County, WI

The radar

The Minneapolis radar (KMPX), 149 km from the middle of the area, began a volume at 03:01 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

Minneapolis, MN (KMPX), launched 00:00Z, 3.0 hours before the alert went out and 152 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 00:00Z on 1996-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2730 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1996-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
2730 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1091 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMSP 140301
SVRMSP
WIC005-140400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
959 PM CDT TUE AUG 13 1996

* SEVERE THUNDERSTORM WARNING FOR
  NORTHERN BARRON COUNTY - NORTHWEST WISCONSIN

* UNTIL 1100 PM CDT
 
* SOME LOCATIONS AFFECTED
    HAUGEN
    BRILL
    RICE LAKE
    MIKANA

* AT 959 PM CDT DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM JUST
  WEST OF HAUGEN...OR ABOUT 20 MILES BNORTHWEST OF RICE LAKE MOVING
  SOUTHEAST AT 20 MPH.

THIS IS A DANGEROUS STORM...WITH LARGE HAIL. STAY INDOORS AWAY FROM
WINDOWS.

HAMEN

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1996Every severe thunderstorm warning in 1996

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.