Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 35, NWS Sioux Falls, SD

June 5, 1996Brookings County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 5, 1996, 5:56 PM CDT for Brookings County, South Dakota. It was in force for 29 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 5, 1996, 5:56 PM CDT (22:56 UTC)
Expired: Jun 5, 1996, 6:25 PM CDT
In force: 29 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

County Brookings County, SD

The radar

The Sioux Falls radar (KFSD), 87 km from the middle of the area, began a volume at 22:56 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.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.9 hours before the alert went out and 140 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: 1132 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 182 m²/s²
0-3 km storm-relative helicity: 207 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 052256
SVRFSD
SDC011-052325-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
556 PM CDT WED JUN 5 1996

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 625 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL SOUTH DAKOTA

   ...WESTERN BROOKINGS COUNTY
 
AT 551 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY SIOUX FALLS
DOPPLER RADAR 14 MILES WEST OF BROOKINGS  OR 5 MILES NORTH OF SINAI
MOVING SOUTHEAST AT 40 MPH.

THIS STORM CAN BE EXPECTED IN THE VICINITY OF...
SINAI                    AROUND 555 PM CDT
VOLGA                    AROUND 600 PM CDT
BROOKINGS                AROUND 605 PM CDT
AURORA                   AROUND 615 PM CDT
 
SEVERE THUNDERSTORMS PRODUCE LARGE HAIL...DAMAGING WINDS IN EXCESS
OF 55 MPH...DANGEROUS CLOUD TO GROUND LIGHTNING STROKES AND HEAVY
DOWNPOURS OF RAIN.

REMEMBER...SEVERE THUNDERSTORMS CAN AND DO PRODUCE THUNDERSTORMS
WITH LITTLE OR NO ADVANCED WARNING.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 4:25 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison	60 min
Jun 5, 4:44 PM CDT	Severe Thunderstorm Warning	FSD	Hanson, Sanborn	61 min
Jun 5, 4:58 PM CDT	Severe Thunderstorm Warning	FSD	McCook	62 min
Jun 5, 5:02 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	63 min
Jun 5, 5:24 PM CDT	Severe Thunderstorm Warning	FSD	McCook, Minnehaha	61 min
Jun 5, 5:40 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	30 min
Jun 5, 5:44 PM CDT	Severe Thunderstorm Warning	FSD	Miner, Sanborn	61 min
Jun 5, 6:24 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln	31 min
Jun 5, 6:34 PM CDT	Severe Thunderstorm Warning	FSD	Brookings, Moody	31 min
Jun 5, 6:44 PM CDT	Severe Thunderstorm Warning	FSD	Lake, Miner	46 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.