Alert archive / South Dakota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 13, NWS Aberdeen, SD

May 23, 1994Marshall County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 23, 1994, 10:18 PM CDT for Marshall County, South Dakota. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 23, 1994, 10:18 PM CDT (03:18 UTC)
Expired
May 23, 1994, 11:15 PM CDT
In force
57 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Marshall County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 3.3 hours before the alert went out and 114 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 1994-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1212 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 1994-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1212 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
2117 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KABR 240320 RRA
SVRABR
SDC091-240415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
1018 PM CDT MON MAY 23 1994
 
THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES.......
 
IN NORTHEAST SOUTH DAKOTA
 
   ...MARSHALL COUNTY
 
AT 1015 PM CDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN
MARSHALL COUNTY. THE STRONGEST PART OF THE STORM WAS LOCATED IN THE
SOUTHWEST PART OF THE COUNTY...5 MILES SOUTH OF BRITTON...OR 40 MILES
NORTHEAST OF ABERDEEN. MOVEMENT OF THIS STORM HAS BEEN TO THE SOUTHEAST
AT 25 MPH. ANOTHER STRONG AREA OF DEVELOPMENT WAS INDICATED JUST
SOUTHWEST OF VEBLEN...OR 20 MILES NORTHWEST OF SISSETON.
 
THIS STORM HAS ALREAD PRODUCED DIME SIZE HAIL 5 MILES SOUTH OF
BRITTON...IN NORTHEAST BROWN COUNTY.
 
THIS WARNING REPLACES THE EARLIER WARNING FOR NORTHEASTERN BROWN AND
NORTHWEST MARSHALL COUNTIES.
 
THE SEVERE THUNDERSTORM IN NORTHEAST BROWN COUNTY HAD MOVED INTO WESTERN
MARSHALL COUNTY.
 
 
IF YOU ARE IN THE PATH OF THIS STORM..YOU SHOULD GET TO A REINFORCED
SHELTER. A SEVERE THUNDERSTORM PRODUCES DAMAGING WINDS IN EXCESS OF
60 MPH..HAIL 3/4 INCH OR LARGER..DEADLY LIGHTNING..AND HEAVY RAIN
THAT CAN QUICKLY FLOOD A LOW LYING AREA.
 
BUCKLEW

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

Local storm report, May 23, 7:21 PM CDT, 2 hours 57 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
721 PM CDT MON MAY 23 1994

STORM DATA FOR MAY 23 1994

 TIME            COUNTY..LOCATION           CHARACTER OF STORM..DAMAGE
.......................................................................

 714 PM CDT     ROBERTS...4 MI. WEST         GOLFBALL HAIL/DOWNED TREES
                   OF SISSETON               FROM POLICE

OLSON
NNNN
Local storm report, May 23, 7:22 PM CDT, 2 hours 56 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
721 PM CDT MON MAY 23 1994

STORM DATA FOR MAY 23 1994

 TIME            COUNTY..LOCATION           CHARACTER OF STORM..DAMAGE
.......................................................................

 714 PM CDT     ROBERTS...4 MI. WEST         GOLFBALL HAIL/DOWNED TREES
                   OF SISSETON               FROM POLICE

OLSON
NNNN
Local storm report, May 23, 9:09 PM CDT, 1 hour 9 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
909 PM CDT MON MAY 23 1994

STORM DATA FOR MAY 23 1994

 TIME            COUNTY..LOCATION           CHARACTER OF STORM..DAMAGE
.......................................................................

 842 PM CDT     ROBERTS...5 MI. SE           GOLFBALL HAIL 5 TO 6 IN.
                   OF WILMOT                 DEEP...1.2" RAIN..HIGH WINDS
                                             BY SPOTTER.

OLSON
NNNN
Local storm report, May 23, 9:10 PM CDT, 1 hour 8 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
909 PM CDT MON MAY 23 1994

STORM DATA FOR MAY 23 1994

 TIME            COUNTY..LOCATION           CHARACTER OF STORM..DAMAGE
.......................................................................

 842 PM CDT     ROBERTS...5 MI. SE           GOLFBALL HAIL 5 TO 6 IN.
                   OF WILMOT                 DEEP...1.2" RAIN..HIGH WINDS
                                             BY SPOTTER.&

OLSON
NNNN
Special weather statement, May 23, 9:35 PM CDT, 43 minutes before
SDZ003>011-015>018-240400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
935 PM CDT MON MAY 23 1994

...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR PORTIONS OF NORTHEAST SOUTH
   DAKOTA UNTIL 11 PM CDT...

SEVERE THUNDERSTORMS EARLIER THIS EVENING ACROSS MARSHALL AND ROBERTS
COUNTIES OF NORTHEAST SOUTH DAKOTA HAVE DIMINISHED. THESE THUNDERSTORMS
PRODUCED GOLFBALL SIZE HAIL AND UPROOTED TREES.

NO SEVERE WEATHER HAS BEEN INDICATED IN NORTHEAST SOUTH DAKOTA AS OF
930 PM CDT...BUT THUNDERSTORMS WERE BEGINNING TO MOVE INTO THE NORTHERN
PORTIONS OF BROWN...MARSHALL AND DAY COUNTIES. MOVEMENT OF THESE SHOWERS
AND THUNDERSTORMS HAVE BEEN TO THE SOUTHEAST AT 20 MPH.

AT 931 PM CDT THE STRONGEST STORM WAS LOCATED IN NORTHEAST BROWN COUNTY...
JUST WEST OF HECLA...OR 30 MILES NORTHEAST OF ABERDEEN. SMALL HAIL...
GUSTY WINDS...BRIEF HEAVY RAIN AND DEADLY LIGHTNING ARE POSSIBLE WITH
THIS THUNDERSTORM.

REMEMBER...A WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT
OF THUNDERSTORMS WHICH INCLUDES SEVERE THUNDERSTORMS WITH DAMAGING
WINDS...DEADLY LIGHTNING...AND LARGE HAIL.  BE PREPARED TO TAKE ACTION
TO PROTECT LIFE AND PROPERTY AS THESE STORMS DEVELOP AND APPROACH YOUR
AREA.

BUCKLEW
Special weather statement, May 23, 9:35 PM CDT, 43 minutes before
SDZ003>011-015>018-240400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
935 PM CDT MON MAY 23 1994

...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR PORTIONS OF NORTHEAST SOUTH
   DAKOTA UNTIL 11 PM CDT...

SEVERE THUNDERSTORMS EARLIER THIS EVENING ACROSS MARSHALL AND ROBERTS
COUNTIES OF NORTHEAST SOUTH DAKOTA HAVE DIMINISHED. THESE THUNDERSTORMS
PRODUCED GOLFBALL SIZE HAIL AND UPROOTED TREES.

NO SEVERE WEATHER HAS BEEN INDICATED IN NORTHEAST SOUTH DAKOTA AS OF
930 PM CDT...BUT THUNDERSTORMS WERE BEGINNING TO MOVE INTO THE NORTHERN
PORTIONS OF BROWN...MARSHALL AND DAY COUNTIES. MOVEMENT OF THESE SHOWERS
AND THUNDERSTORMS HAVE BEEN TO THE SOUTHEAST AT 20 MPH.

AT 931 PM CDT THE STRONGEST STORM WAS LOCATED IN NORTHEAST BROWN COUNTY...
JUST WEST OF HECLA...OR 30 MILES NORTHEAST OF ABERDEEN. SMALL HAIL...
GUSTY WINDS...BRIEF HEAVY RAIN AND DEADLY LIGHTNING ARE POSSIBLE WITH
THIS THUNDERSTORM.

REMEMBER...A WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT
OF THUNDERSTORMS WHICH INCLUDES SEVERE THUNDERSTORMS WITH DAMAGING
WINDS...DEADLY LIGHTNING...AND LARGE HAIL.  BE PREPARED TO TAKE ACTION
TO PROTECT LIFE AND PROPERTY AS THESE STORMS DEVELOP AND APPROACH YOUR
AREA.

BUCKLEW

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 7:05 PM CDTSevere Thunderstorm WarningABRRoberts55 min
May 23, 7:57 PM CDTSevere Thunderstorm WarningABRRoberts63 min
May 23, 8:30 PM CDTSevere Thunderstorm WarningABRDay, Marshall24 min
May 23, 9:56 PM CDTSevere Thunderstorm WarningABRBrown34 min
May 23, 10:58 PM CDTSevere Thunderstorm WarningABRRoberts47 min
May 23, 10:58 PM CDTSevere Thunderstorm WarningABRDay30 min
May 23, 11:46 PM CDTSevere Thunderstorm WarningABRGrant32 min
May 23, 11:57 PM CDTSevere Thunderstorm WarningABRDay48 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1994Every severe thunderstorm warning in 1994

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.