Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 86, NWS Sioux Falls, SD

August 8, 1995Charles Mix County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 8, 1995, 10:19 PM CDT for Charles Mix County, South Dakota. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Aug 8, 1995, 10:19 PM CDT (03:19 UTC)
Expired
Aug 8, 1995, 10:46 PM CDT
In force
27 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Charles Mix County, SD

The radar

The Sioux Falls radar (KFSD), 156 km from the middle of the area, began a volume at 03:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 3.3 hours before the alert went out and 189 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 1995-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3505 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 1995-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
3505 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
1234 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 090319 RRA
SVRFSD
SDC023-090405-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1019 PM CDT TUE AUG 8 1995

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1105 PM CDT 
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST SOUTH DAKOTA

   ...EASTERN CHARLES MIX COUNTY
 
AT 1015 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS
DOPPLER RADAR 11 MILES NORTH OF LAKE ANDES  OR 5 MILES NORTHEAST OF
GEDDES MOVING EAST AT 23 MPH. THIS STORM IS EXPECTED TO REMAIN IN
RURAL AREAS.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND vVERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.

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, Aug 8, 5:41 PM CDT, 4 hours 38 minutes before
SDZ004-005-009-010-015>017-032>037-043>051-057-082330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
541 PM CDT TUE AUG 8 1995

...TORNADO WATCH NO LONGER IN EFFECT FOR PARTS OF CENTRAL SOUTH
DAKOTA...

THE NATIONAL WEATHER SERVICE HAS CANCELED PORTIONS OF TORNADO WATCH 911
WHICH WAS TO BE IN EFFECT UNTIL 1000 PM CDT. THE THREAT OF SEVERE
WEATHER HAS DECREASED OVER THE FOLLOWING COUNTIES...

SDC055-082330-
...WEST CENTRAL...
HAAKON

SDC007-071-082330-
...SOUTHWEST...
BENNETT         JACKSON

SDC021-041-045-049-089-107-129-082330-
...NORTH CENTRAL...
CAMPBELL        DEWEY           EDMUNDS         FAULK
MCPHERSON       POTTER          WALWORTH

SDC017-059-061-065-069-073-075-085-117-119-082330-
...CENTRAL...
BUFFALO         HAND            HANSON          HUGHES
HYDE            JONES           LYMAN
STANLEY         SULLY

SDC003-015-023-043-053-095-121-123-082330-
...SOUTH CENTRAL...
BRULE           GREGORY         MELLETTE        TODD            TRIPP

THE TORNADO WATCH CONTINUES IN EFFECT UNTIL 1000 PM CDT FOR THE REST OF
EASTERN SOUTH DAKOTA ORIGINALLY INCLUDED IN THE WATCH. PERSONS IN AND
CLOSE TO THE WATCH AREA SHOULD BE ALERT FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS AND TORNADOES.

MED
Special weather statement, Aug 8, 5:42 PM CDT, 4 hours 37 minutes before
SDZ004-005-009-010-015>017-032>037-043>051-057-082330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
541 PM CDT TUE AUG 8 1995

...TORNADO WATCH NO LONGER IN EFFECT FOR PARTS OF CENTRAL SOUTH
DAKOTA...

THE NATIONAL WEATHER SERVICE HAS CANCELED PORTIONS OF TORNADO WATCH 911
WHICH WAS TO BE IN EFFECT UNTIL 1000 PM CDT. THE THREAT OF SEVERE
WEATHER HAS DECREASED OVER THE FOLLOWING COUNTIES...

SDC055-082330-
...WEST CENTRAL...
HAAKON

SDC007-071-082330-
...SOUTHWEST...
BENNETT         JACKSON

SDC021-041-045-049-089-107-129-082330-
...NORTH CENTRAL...
CAMPBELL        DEWEY           EDMUNDS         FAULK
MCPHERSON       POTTER          WALWORTH

SDC017-059-061-065-069-073-075-085-117-119-082330-
...CENTRAL...
BUFFALO         HAND            HANSON          HUGHES
HYDE            JONES           LYMAN
STANLEY         SULLY

SDC003-015-023-043-053-095-121-123-082330-
...SOUTH CENTRAL...
BRULE           GREGORY         MELLETTE        TODD            TRIPP

THE TORNADO WATCH CONTINUES IN EFFECT UNTIL 1000 PM CDT FOR THE REST OF
EASTERN SOUTH DAKOTA ORIGINALLY INCLUDED IN THE WATCH. PERSONS IN AND
CLOSE TO THE WATCH AREA SHOUL\D BE ALERT FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS AND TORNADOES.

MED
Special weather statement, Aug 8, 8:30 PM CDT, 1 hour 49 minutes before
SDZ006>008-011-018>022-038-039-052>054-058>060-063-064-090300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
830 PM CDT TUE AUG 8 1995

...TORNADO WATCH NO LONGER IN EFFECT FOR SOUTH DAKOTA...

THE NATIONAL WEATHER SERVICE HAS CANCELED TORNADO WATCH 911 WHICH WAS
TO BE IN EFFECT UNTIL 1000 PM CDT FOR PARTS OF EASTERN SOUTH DAKOTA. THE
THREAT OF SEVERE WEATHER HAS DECREASED OVER THE AREA.

MED
Special weather statement, Aug 8, 9:02 PM CDT, 1 hour 17 minutes before
SDZ006>008-011-018>022-038-039-052>054-058>060-063-064-090300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
830 PM CDT TUE AUG 8 1995

...TORNADO WATCH NO LONGER IN EFFECT FOR SOUTH DAKOTA...

THE NATIONAL WEATHER SERVICE HAS CANCELED TORNADO WATCH 911 WHICH WAS
TO BE IN EFFECT UNTIL 1000 PM CDT FOR PARTS OF EASTERN SOUTH DAKOTA. THE
THREAT OF SEVERE WEATHER HAS DECREASED OVER THE AREA.

MED

Nearby

Severe Thunderstorm Warnings in South Dakota, 1995Every severe thunderstorm warning in 1995

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; radar from the NEXRAD Level II archive.