Alert archive / South Dakota / Tornado Warnings in 1998

Tornado Warning 31, NWS Sioux Falls, SD

June 10, 1998Miner County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 10, 1998, 5:32 PM CDT for Miner County, South Dakota. 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: Jun 10, 1998, 5:32 PM CDT (22:32 UTC)
Expired: Jun 10, 1998, 6:05 PM CDT
In force: 33 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

County Miner County, SD

What was reported inside it

Time	Report	Where	Remark
Jun 10, 5:40 PM CDT	Thunderstorm Wind 52	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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 10, 5:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.5 hours before the alert went out and 116 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: 552 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 97 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 102232 RRA
TORFSD
SDC097-102305-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
532 PM CDT WED JUN 10 1998

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  MINER COUNTY IN EAST CENTRAL SOUTH DAKOTA

* UNTIL 605 PM CDT

* AT 530 PM CDT... NATIONAL WEATHER SERVICE SPOTTERS REPORTED A
  TORNADO 8 MILES SOUTHWEST OF HOWARD OR 25 MILES NORTHEAST OF
  MITCHELL MOVING EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CANOVA                   AROUND 540 PM CDT

THIS REPLACES THE SEVERE THUNDERSTORM WARNING FOR EASTERN MINER
COUNTY.

HAMEN

 &

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 2:50 PM CDT	Severe Thunderstorm Warning	FSD	Jerauld	30 min
Jun 10, 3:22 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Jerauld	33 min
Jun 10, 3:52 PM CDT	Severe Thunderstorm Warning	FSD	Sanborn	48 min
Jun 10, 4:12 PM CDT	Tornado Warning	FSD	Sanborn	33 min
Jun 10, 4:37 PM CDT	Tornado Warning	FSD	Miner	48 min
Jun 10, 4:45 PM CDT	Tornado Warning	FSD	Sanborn	20 min
Jun 10, 5:07 PM CDT	Severe Thunderstorm Warning	FSD	Sanborn	33 min
Jun 10, 5:17 PM CDT	Severe Thunderstorm Warning	FSD	Miner	48 min
Jun 10, 5:20 PM CDT	Severe Thunderstorm Warning	FSD	Sanborn	50 min
Jun 10, 5:46 PM CDT	Severe Thunderstorm Warning	FSD	Lake	49 min
Jun 10, 6:05 PM CDT	Severe Thunderstorm Warning	FSD	Miner	50 min

Nearby

Tornado Warnings in South Dakota, 1998 Every tornado warning in 1998 Tornadoes in 1998

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.