Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 203, NWS Twin Cities, MN

September 10, 1996Lac qui Parle County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 10, 1996, 2:37 AM CDT for Lac qui Parle County, Minnesota. It was in force for 43 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
Sep 10, 1996, 2:37 AM CDT (07:37 UTC)
Expired
Sep 10, 1996, 3:20 AM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Lac qui Parle County, MN

The radar

The Sioux Falls radar (KFSD), 163 km from the middle of the area, began a volume at 07:36 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
Sep 10, 3:00 AM CDTHail 0.88Ortonville, 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

Aberdeen, SD (KABR), launched 00:00Z, 7.6 hours before the alert went out and 176 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, Aberdeen, SD at 00:00Z on 1996-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Aberdeen, SD at 00:00Z on 1996-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
5 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
2979 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 100739
SVRMSP
MNC073-100825-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
237 AM CDT TUE SEP 10 1996

* SEVERE THUNDERSTORM WARNING FOR
  NORTHERN LAC QUI PARLE COUNTY - WEST CENTRAL MINNESOTA

* UNTIL 320 AM CDT
 
* SOME LOCATIONS AFFECTED
    ROSER
    LOUISBURG
    MADISON

* AT 235 AM CDT DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 10
  MILES WEST OF ORTONVILLE MOVING SOUTHEAST AT 30 MPH.

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

MCBEATH PETERS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 3:15 AM CDTSevere Thunderstorm WarningMPXIsanti30 min
Sep 10, 3:42 AM CDTSevere Thunderstorm WarningMPXSwift48 min
Sep 10, 2:49 PM CDTSevere Thunderstorm WarningMPXFaribault61 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.