Alert archive / Minnesota / Tornado Warnings in 1992

Tornado Warning 30, NWS Sioux Falls, SD

August 9, 1992Lincoln County, Pipestone County, Minnesota; Moody County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Aug 9, 1992, 8:02 PM CDT for Lincoln County, Pipestone County, Minnesota; Moody County, South Dakota. It was in force for 43 min.

The area

The counties it named.

The facts

Issued: Aug 9, 1992, 8:02 PM CDT (01:02 UTC)
Expired: Aug 9, 1992, 8:45 PM CDT
In force: 43 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

Counties Lincoln County, MN, Pipestone County, MN, Moody County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 1.0 hours before the alert went out and 179 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 100100
TORFSD
MNC081-117-SDC101-100145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
802 PM CDT SUN AUG 9 1992
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST MINNESOTA
 
   ...SOUTHERN LINCOLN COUNTY...NORTHERN PIPESTONE COUNTY
 
IN EAST CENTRAL SOUTH DAKOTA
 
   ...NORTHERN MOODY COUNTY
 
AT 800 PM CDT RADAR CONTINUED TO SHOW SEVERE THUNDERSTORMS ACROSS
SOUTHERN LINCOLN COUNTY AND NORTHERN PIPESTONE COUNTY IN MINNESOTA.
A SEVERE THUNDERSTORM WAS ALSO OVER NORTHERN MOODY COUNTY IN SOUTH
DAKOTA. THESE STORMS HAVE A HISTORY OF PRODUCING TORNADOS. STORMS
WERE MOVING SOUTHEAST AT 10 MILES AN HOUR.
 
A TORNADO WATCH IS IN EFFECT FOR PARTS OF SOUTHEAST SOUTH DAKOTA...
NORTHWEST IOWA 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.
 
MENTZER

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 7:08 PM CDT	Tornado Warning	FSD	Lincoln, Lyon	52 min
Aug 9, 7:41 PM CDT	Tornado Warning	FSD	Brookings	34 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, 10:38 PM CDT	Tornado Warning	FSD	Turner	37 min
Aug 9, 11:21 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Yankton	54 min

Nearby

Tornado Warnings in Minnesota, 1992 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; the sounding from the Mesonet's radiosonde archive.