Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 105, NWS Twin Cities, MN

June 29, 1996Goodhue County, Minnesota; Pierce County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 1996, 2:30 PM CDT for Goodhue County, Minnesota; Pierce County, Wisconsin. It was in force for 65 min. 4 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: Jun 29, 1996, 2:30 PM CDT (19:30 UTC)
Expired: Jun 29, 1996, 3:35 PM CDT
In force: 65 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Goodhue County, MN, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 85 km from the middle of the area, began a volume at 19:31 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.

What was reported inside it

Time	Report	Where
Jun 29, 2:35 PM CDT	Thunderstorm Wind 60	Red Wing, MN
Jun 29, 2:40 PM CDT	Thunderstorm Wind 70	Hager City, WI
Jun 29, 2:40 PM CDT	Hail 0.75	Hager City, WI
Jun 29, 2:45 PM CDT	Hail 0.75	Bay City, 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.5 hours before the alert went out and 87 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: 734 J/kg
Mixed-layer CIN: -155 J/kg
Mixed-layer LCL: 1273 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 291932
SVRMSP
MNC049-WIC093-292035-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
230 PM CDT SAT JUN 29 1996

* SEVERE THUNDERSTORM WARNING FOR
  NORTHERN GOODHUE COUNTY - SOUTHEAST MINNESOTA
  PIERCE COUNTY - WEST CENTRAL WISCONSIN

* UNTIL 335 PM CDT
 
* SOME LOCATIONS AFFECTED
    CANNON FALLS
    VASA
    ELLSWORTH
    WELCH
    RED WING

* AT 230 PM CDT DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 10
  MILES NORTHWEST OF RED WING NEAR HASTINGS...MOVING EAST AT 40
  MPH.

THIS IS A DANGEROUS STORM...WITH DAMAGING WINDS. STAY INDOORS AWAY
FROM WINDOWS.

HOWIESON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 2:16 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	29 min
Jun 29, 3:45 PM CDT	Severe Thunderstorm Warning	MPX	Steele	45 min
Jun 29, 3:53 PM CDT	Severe Thunderstorm Warning	MPX	Dodge	37 min
Jun 29, 4:03 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	27 min
Jun 29, 4:15 PM CDT	Tornado Warning	MPX	Dodge, Olmsted	30 min
Jun 29, 4:48 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Todd	42 min
Jun 29, 5:03 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	57 min
Jun 29, 5:19 PM CDT	Severe Thunderstorm Warning	MPX	Fillmore, Houston	41 min
Jun 29, 3:00 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pepin	60 min
Jun 29, 3:34 PM CDT	Severe Thunderstorm Warning	MPX	Eau Claire	56 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1996 Severe Thunderstorm Warnings in Wisconsin, 1996 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.