Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 95, NWS Sioux Falls, SD

July 1, 1996Nobles County, Rock County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 1, 1996, 4:02 PM CDT for Nobles County, Rock County, Minnesota. It was in force for 48 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: Jul 1, 1996, 4:02 PM CDT (21:02 UTC)
Expired: Jul 1, 1996, 4:50 PM CDT
In force: 48 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 21:03 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
Jul 1, 4:10 PM CDT	Hail 1.75	Beaver Creek, MN
Jul 1, 4:20 PM CDT	Hail 0.75	Luverne, 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, 9.0 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: 1961 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 3 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 012102
SVRFSD
MNC105-133-012150-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
402 PM CDT MON JUL 1 1996

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 450 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWEST MINNESOTA

   ...SOUTHERN NOBLES COUNTY
   ...SOUTHERN ROCK COUNTY
 
AT 400 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY SIOUX FALLS
DOPPLER RADAR 23 MILES EAST OF SIOUX FALLS  OR IN THE VICINITY OF
STEEN MOVING EAST AT 20 MPH.

THIS STORM CAN BE EXPECTED IN THE VICINITY OF...
ASH CREEK                AROUND 410 PM CDT
KANARANZI                AROUND 425 PM CDT
ELLSWORTH                AROUND 435 PM CDT
 
A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE
POSSIBLE IN AND NEAR THE WATCH AREA.  BE AWARE OF THE POSSIBILITY
OF THREATENING WEATHER AND LISTEN TO NOAA WEATHER RADIO... COMMERCIAL
RADIO ONR TELEVISION FOR FURTHER INFORMATION.

 JCV


&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 4:52 PM CDT	Severe Thunderstorm Warning	FSD	Murray, Nobles	48 min
Jul 1, 6:21 PM CDT	Severe Thunderstorm Warning	FSD	Jackson	34 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1996 Every 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.