Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 15, NWS Sioux Falls, SD

May 18, 1996Miner County, Sanborn County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at May 18, 1996, 9:33 PM CDT for Miner County, Sanborn County, South Dakota. It was in force for 27 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: May 18, 1996, 9:33 PM CDT (02:33 UTC)
Expired: May 18, 1996, 10:00 PM CDT
In force: 27 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

Counties Miner County, SD, Sanborn County, SD

What was reported inside it

Time	Report	Where	Remark
May 18, 9:55 PM CDT	Thunderstorm Wind 60	Howard, SD

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

Aberdeen, SD (KABR), launched 00:00Z, 2.6 hours before the alert went out and 107 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: 2021 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 190233
SVRFSD
SDC097-111-190300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SIOUX FALLS SD
933 PM CDT SAT MAY 18 1996

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF SOUTH DAKOTA
      WESTERN MINER...EASTERN SANBORN

AT 830 PM CDT  A SEVERE THUNDERSTORM WAS LOCATED NEAR FORESTBURG
MOVING EAST ABOUT 35 MPH.

IF YOU ARE IN THE PATH OF THIS STORM..YOU SHOULD GET TO A REINFORCED
SHELTER. A SEVERE THUNDERSTORM PRODUCES DAMAGING WINDS IN EXCESS OF
60 MPH..HAIL 3/4 INCH OR LARGER..DEADLY LIGHTNING..AND HEAVY RAIN
THAT CAN QUICKLY FLOOD A LOW LYING AREA.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR
NO ADVANCE WARNING SO BE ON THE LOOKOUT.

RSR

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 8:22 PM CDT	Severe Thunderstorm Warning	FSD	Brule	43 min
May 18, 8:39 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix	46 min
May 18, 9:02 PM CDT	Tornado Warning	FSD	Brule	33 min
May 18, 9:40 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	45 min
May 18, 10:20 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix	45 min
May 18, 10:41 PM CDT	Tornado Warning	FSD	Brookings	34 min
May 18, 10:59 PM CDT	Severe Thunderstorm Warning	FSD	McCook, Minnehaha	31 min
May 18, 11:25 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Minnehaha, Turner	30 min
May 18, 11:57 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln	28 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.