Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 110, NWS Twin Cities, MN

June 29, 1996Stevens County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 1996, 4:03 PM CDT for Stevens County, Minnesota. It was in force for 27 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
Jun 29, 1996, 4:03 PM CDT (21:03 UTC)
Expired
Jun 29, 1996, 4:30 PM CDT
In force
27 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Stevens County, MN

The radar

The Aberdeen radar (KABR), 189 km from the middle of the area, began a volume at 21:04 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

Aberdeen, SD (KABR), launched 12:00Z, 9.1 hours before the alert went out and 203 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 12:00Z on 1996-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 448 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 12:00Z on 1996-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -85 square meters per square second.1939587897117Sfc1 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
448 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
988 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-85 m²/s²
0-3 km storm-relative helicity
-66 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 292105
SVRMSP
MNC149-292130-

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

* SEVERE THUNDERSTORM WARNING FOR
  NORTHERN STEVENS COUNTY - WEST CENTRAL MINNESOTA

* UNTIL 430 PM CDT
 
* SOME LOCATIONS AFFECTED
    DONNELLY
    ALBERTA
    MORRIS
    HANCOCK

* AT 405 PM CDT DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 10
  MILES NORTHWEST OF MORRIS 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.

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, 3:53 PM CDTSevere Thunderstorm WarningMPXDodge37 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.