Alert archive / Minnesota / Tornado Warnings in 1996

Tornado Warning 8, NWS Sioux Falls, SD

June 19, 1996Nobles County, Rock County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jun 19, 1996, 4:30 PM CDT for Nobles County, Rock County, Minnesota. It was in force for 30 min. 2 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 19, 1996, 4:30 PM CDT (21:30 UTC)
Expired: Jun 19, 1996, 5:00 PM CDT
In force: 30 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

Counties Nobles County, MN, Rock County, MN

The radar

The Sioux Falls radar (KFSD), 59 km from the middle of the area, began a volume at 21:34 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	Remark
Jun 19, 4:34 PM CDT	Hail 1	Leota, MN
Jun 19, 4:40 PM CDT	Hail 1.75	Kenneth, 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, 9.5 hours before the alert went out and 232 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 519 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: 110 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 KFSD 192130
TORFSD
MNC105-133-192200-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
430 PM CDT WED JUN 19 1996

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWEST MINNESOTA

   ...WESTERN NOBLES COUNTY
   ...NORTHEASTERN ROCK COUNTY
 
AT 429 PM CDT...A DEVELOPING TORNADO WAS INDICATED BY SIOUX FALLS
DOPPLER RADAR 14 MILES SOUTHEAST OF PIPESTONE OR 6 MILES WEST OF
LEOTA MOVING EAST AT 40 MPH.

AT PRESENT MOVEMENT THE TORNADO WILL BE AROUND...
LEOTA                    AROUND 435 PM CDT
LISMORE                  AROUND 440 PM CDT
ADRIAN                   AROUND 445 PM CDT
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR
BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.  AVOID
WINDOWS.

HEITKAMP

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 19, 3:49 PM CDT	Tornado Warning	FSD	Pipestone	46 min
Jun 19, 5:05 PM CDT	Severe Thunderstorm Warning	FSD	Nobles, Rock	30 min
Jun 19, 5:36 PM CDT	Severe Thunderstorm Warning	FSD	Nobles	34 min
Jun 19, 6:00 PM CDT	Severe Thunderstorm Warning	FSD	Rock	35 min
Jun 19, 6:37 PM CDT	Severe Thunderstorm Warning	FSD	Rock	33 min

Nearby

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