Alert archive / South Dakota / Tornado Warnings in 1992

Tornado Warning 33, NWS Sioux Falls, SD

August 9, 1992Turner County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Aug 9, 1992, 10:38 PM CDT for Turner County, South Dakota. It was in force for 37 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: Aug 9, 1992, 10:38 PM CDT (03:38 UTC)
Expired: Aug 9, 1992, 11:15 PM CDT
In force: 37 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

County Turner County, SD

What was reported inside it

Time	Report	Where	Remark
Aug 9, 10:40 PM CDT	Tornado F0	Turner, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 3.6 hours before the alert went out and 203 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: 1762 J/kg
Mixed-layer CIN: -208 J/kg
Mixed-layer LCL: 1484 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 100339
TORFSD
SDC125-100415-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1038 PM CDT SUN AUG 9 1992
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHEAST SOUTH DAKOTA
 
   ...TURNER COUNTY
 
AT 1036 PM CDT FUNNEL CLOUDS WERE REPORTED 5 MILES SOUTHWEST OF
PARKER...OR ABOUT 25 MILES SOUTHWEST OF SIOUX FALLS. A FUNNEL CLOUD
WAS ALSO REPORTED NEAR MARION...OR ABOUT 30 MILES SOUTHWEST OF SIOUX
FALLS. THE STORM PRODUCING THESE FUNNELS WAS MOVING SOUTH AT 15 MILES AN
HOUR.
 
A TORNADO WATCH IS IN EFFECT FOR PARTS OF SOUTHEAST SOUTH DAKOTA...
NORTHWEST IOWAb AND SOUTHWEST MINNESOTA.
 
IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE
INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR.  IF YOU LIVE
IN A MOBILE HOME...ABANDON IT FOR A STRONGER SHELTER.
 
TAKE COVER NOW.
 
MENTZER

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 7:41 PM CDT	Tornado Warning	FSD	Brookings	34 min
Aug 9, 8:02 PM CDT	Tornado Warning	FSD	Moody	43 min
Aug 9, 8:40 PM CDT	Tornado Warning	FSD	Moody	50 min
Aug 9, 8:50 PM CDT	Tornado Warning	FSD	Lake	25 min
Aug 9, 9:28 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	47 min
Aug 9, 9:46 PM CDT	Severe Thunderstorm Warning	FSD	McCook, Minnehaha	44 min
Aug 9, 10:20 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Turner	40 min
Aug 9, 11:21 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Yankton	54 min

Nearby

Tornado Warnings in South Dakota, 1992 Every tornado warning in 1992 Tornadoes in 1992

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.