Alert archive / South Dakota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 43, NWS Sioux Falls, SD

July 1, 1993Bon Homme County, Hutchinson County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 1, 1993, 3:34 PM CDT for Bon Homme County, Hutchinson County, South Dakota. It was in force for 26 min.

The area

The counties it named.

The facts

Issued: Jul 1, 1993, 3:34 PM CDT (20:34 UTC)
Expired: Jul 1, 1993, 4:00 PM CDT
In force: 26 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

Counties Bon Homme County, SD, Hutchinson County, SD

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.6 hours before the alert went out and 237 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: 124 J/kg
Mixed-layer CIN: -283 J/kg
Mixed-layer LCL: 582 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 1, 2:40 PM CDT, 54 minutes before

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Special weather statement, Jul 1, 2:44 PM CDT, 50 minutes before

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Special weather statement, Jul 1, 3:13 PM CDT, 21 minutes before

SDZ016-017-019-012115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
310 PM CDT THU JUL 1 1993

AT 305 PM CDT A STRONG THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED
OVER NORTH CENTRAL BRULE COUNTY OR 15 MILES NORTHEAST OF CHAMBERLAIN
SOUTH DAKOTA. ALSO ANOTHER STRONG STORM WAS LOCATED OVER CHARLES MIX
COUNTY OR ABOUT 3 MILES NORTH OF PICKSTOWN SOUTH DAKOTA. THE STORMS
WERE MOVING EAST AT 30 MPH AND ARE EXPECTED TO EFFECT THE NORTHEAST
PART OF BRULE COUNTY AND NORTHERN AURORA COUNTY AND THE STORM NEAR
PICKSTOWN IS EXPECTED TO EFFECT THE SOUTH PART OF CHARLES MIX COUNTY
AND WILL LIKELY EFFECT THE CITIES OF WAGNER AND LAKE ANDES BETWEEN
310 PM AND 410 PM CDT.

THE STORMS WILL CAUSE LOCALLY HEAVY DOWNPOURS OF RAIN AND POSSIBLE
SMALL HAIL. MARBLE SIZE HAIL WAS REPORTED AT LAKE ANDES AT 310 PM.

KOSCIELSKI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 6:55 PM CDT	Severe Thunderstorm Warning	FSD	Murray, Pipestone	50 min
Jul 1, 6:45 PM CDT	Tornado Warning	FSD	Lyon	30 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1993 Every severe thunderstorm warning in 1993

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.