Alert archive / Minnesota / Tornado Warnings in 1996

Tornado Warning 19, NWS Twin Cities, MN

July 21, 1996Kandiyohi County, Stearns County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 21, 1996, 8:57 PM CDT for Kandiyohi County, Stearns County, Minnesota. It was in force for 33 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
Jul 21, 1996, 8:57 PM CDT (01:57 UTC)
Expired
Jul 21, 1996, 9:30 PM CDT
In force
33 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Kandiyohi County, MN, Stearns County, MN

The radar

The Minneapolis radar (KMPX), 112 km from the middle of the area, began a volume at 01:56 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
Jul 21, 9:05 PM CDTThunderstorm Wind 52Brooten, 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 00:00Z, 2.0 hours before the alert went out and 110 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 1996-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 368 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 1996-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939587897Sfc1 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
368 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1193 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 220159
TORMSP
MNC067-145-220230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
857 PM CDT SUN JUL 21 1996

* TORNADO WARNING FOR
  NORTHERN KANDIYOHI COUNTY - CENTRAL MINNESOTA
  WESTERN STEARNS COUNTY - CENTRAL MINNESOTA

* UNTIL 930 PM CDT
 
* SOME LOCATIONS AFFECTED
    BROOTEN
    ELROSA
    BELGRADE
    SUNBURG

* AT 855 PM CDT LAW ENFORCEMENT REPORTED A DAMAGING WINDS 10 MILES
  WEST OF BROOTEN...OR ABOUT 35 MILES NORTHWEST OF WILLMAR MOVING
  EAST-SOUTHEAST AT 25 MPH.  RADAR ALSO INDICATED A DEVELOPING 
  TORNADO 10 MILES WEST OF BROOTEN.

GO INSIDE A STURDY BUILDING...TO THE LOWEST FLOOR...AND GET
UNDER A DESK OR WORKBENCH.

TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 7:03 PM CDTSevere Thunderstorm WarningMPXTodd42 min
Jul 21, 7:38 PM CDTSevere Thunderstorm WarningMPXMorrison, Todd52 min
Jul 21, 8:37 PM CDTSevere Thunderstorm WarningMPXPope43 min
Jul 21, 8:44 PM CDTSevere Thunderstorm WarningMPXMorrison46 min
Jul 21, 8:48 PM CDTSevere Thunderstorm WarningMPXMorrison, Todd52 min
Jul 21, 9:21 PM CDTTornado WarningMPXMorrison, Todd29 min
Jul 21, 9:35 PM CDTTornado WarningMPXKandiyohi, Meeker25 min
Jul 21, 9:53 PM CDTSevere Thunderstorm WarningMPXBenton, Morrison37 min
Jul 21, 10:32 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs, Sherburne43 min
Jul 21, 10:57 PM CDTTornado WarningMPXIsanti, Mille Lacs23 min
Jul 21, 11:19 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti61 min

Nearby

Tornado Warnings in Minnesota, 1996Every tornado warning in 1996Tornadoes 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.