Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 109, NWS Twin Cities, MN

June 29, 1996Dodge County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 1996, 3:53 PM CDT for Dodge County, Minnesota. It was in force for 37 min. 1 report 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, 3:53 PM CDT (20:53 UTC)
Expired
Jun 29, 1996, 4:30 PM CDT
In force
37 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Dodge County, MN

The radar

The Minneapolis radar (KMPX), 107 km from the middle of the area, began a volume at 20:52 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

TimeReportWhereRemark
Jun 29, 4:12 PM CDTHail 1.75West Concord, MN

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, 8.9 hours before the alert went out and 109 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 1996-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 734 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 1996-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 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
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 KRST 292054
SVRRST
MNC039-292130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
353 PM CDT SAT JUN 29 1996
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MINNESOTA
 
   ...NORTHERN DODGE COUNTY
 
AT 350PM RADAR INDICATED A SEVERE THUNDERSTORM NORTHEAST OF OWATONNA
MOVING EAST AT 40 MPH. THIS STORM SHOULD BE NEAR WEST CONCORD BY 4PM AND
CONCORD BY 410PM.
 
 
GSF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 2:16 PM CDTSevere Thunderstorm WarningMPXDakota29 min
Jun 29, 2:30 PM CDTSevere Thunderstorm WarningMPXGoodhue65 min
Jun 29, 3:45 PM CDTSevere Thunderstorm WarningMPXSteele45 min
Jun 29, 4:03 PM CDTSevere Thunderstorm WarningMPXStevens27 min
Jun 29, 4:15 PM CDTTornado WarningMPXDodge, Olmsted30 min
Jun 29, 4:48 PM CDTSevere Thunderstorm WarningMPXDouglas, Todd42 min
Jun 29, 5:03 PM CDTSevere Thunderstorm WarningMPXStearns57 min
Jun 29, 5:19 PM CDTSevere Thunderstorm WarningMPXFillmore, Houston41 min

Nearby

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