Alert archive / South Dakota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 31, NWS Sioux Falls, SD

June 6, 1994Lincoln County, Minnehaha County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 6, 1994, 8:15 PM CDT for Lincoln County, Minnehaha County, South Dakota. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1994, 8:15 PM CDT (01:15 UTC)
Expired
Jun 6, 1994, 8:54 PM CDT
In force
39 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Lincoln County, SD, Minnehaha County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 1.3 hours before the alert went out and 205 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 1994-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2212 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 1994-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 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
2212 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1152 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
-73 m²/s²
Significant tornado parameter
-0.6
Supercell composite
-2.5

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

Local storm report, Jun 6, 7:00 PM CDT, 1 hour 15 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
700 PM CDT MON JUN 6 1994

STORM DATA FOR JUNE 6 1994

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

 438 PM CDT   3/4 TO 1 INCH HAIL LAKE BENTON/TYLER AREA OF LINCOLN CO.
              MINNESOTA.  RELAYED BY LAW ENFORCEMENT.

 444 PM CDT   1 INCH HAIL ALONG WITH VERY HEAVY RAIN AT WHITE IN
              BROOKINGS CO. SD.

 555 PM CDT   BASEBALL SIZE HAIL AT CHANDLER MN IN MURRAY CO. MN
              RELAYED BY LAW ENFORCEMENT.

 542 PM CDT   1 INCH HAIL AND WIND GUST TO 60 MPH AT LAKE WILSON IN
              MURRAY CO MN.  BY NWS EMPLOYEE.
 550 PM CDT    3/4 INCH HAIL AND WIND GUST 60 MPH IN CHANDLER MN IN
              MURRAY COUNTY.  BY NWS EMPLOYEE.

 645 PM CDT   MARBLE TO DIME SIZE HAIL AND 32 TO 38 MPH WIND GUSTS AT
              BREWSTER MN IN NOBLES COUNTY MN.  BY NWS SPOTTER.

 647 PM CDT   DIME TO NICKLE SIZE HAIL...HEAVY RAIN AND 30 TO 40 MPH
              WIND GUSTS AT BREWSTER MN IN NOBLES COUNTY MN.  REPORTED
              BY BREWSTER FIRE DEPT.

DEMORIN
Special weather statement, Jun 6, 7:06 PM CDT, 1 hour 9 minutes before
SDZ062-MNZ089-098-070100Z-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
705 PM CDT MON JUN 6 1994

...SEVERE THUNDERSTORM WATCH EASTERN SOUTH DAKOTA...SOUTHWEST
MINNESOTA AND NORTHWEST IOWA UNTIL 8 PM CDT...

AT 655 PM CDT RADAR SHOWED A LINE OF THUNDERSTORMS FROM 10 NORTH OF
SIOUX FALLS NEAR BALTIC SOUTH DAKOTA TO 15 MILES WEST OF WORTHINGTON
NEAR ADRIAN MINNESOTA.

HAIL...STRONG WINDS...VERY HEAVY RAIN AND DANGEROUS CLOUD TO GROUND
LIGHTNING CAN BE EXPECTED WITH THESE STORMS. SOME URBAN AND SMALL
STREAM FLOODING MAY ALSO OCCUR.

AT 645 PM PEA SIZE HAIL WAS REPORTED NEAR GARRETSON. AT 7 PM PEA TO
DIME SIZE HAIL AND VERY HEAVY RAIN WAS REPORTED JUST WEST OF BEAVER
CREEK MINNESOTA. AT 705 PM PEA SIZE HAIL WAS REPORTED AT TERRACE PARK
IN SIOUX FALLS.

RESIDENTS IN THESE AREAS SHOULD BE PREPARED FOR THIS ADVERSE WEATHER.
MOVE TO A SAFE REINFORCED SHELTER IF NECESSARY. STAY OUT OF LOW LYING
AREAS.

BLOOM
Local storm report, Jun 6, 7:13 PM CDT, 1 hour 2 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
700 PM CDT MON JUN 6 1994

STORM DATA FOR JUNE 6 1994

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

 438 PM CDT   3/4 TO 1 INCH HAIL LAKE BENTON/TYLER AREA OF LINCOLN CO.
              MINNESOTA.  RELAYED BY LAW ENFORCEMENT.

 444 PM CDT   1 INCH HAIL ALONG WITH VERY HEAVY RAIN AT WHITE IN
              BROOKINGS CO. SD.

 555 PM CDT   BASEBALL SIZE HAIL AT CHANDLER MN IN MURRAY CO. MN
              RELAYED BY LAW ENFORCEMENT.

 542 PM CDT   1 INCH HAIL AND WIND GUST TO 60 MPH AT LAKE WILSON IN
              MURRAY CO MN.  BY NWS EMPLOYEE.
 550 PM CDT    3/4 INCH HAIL AND WIND GUST 60 MPH IN CHANDLER MN IN
              MURRAY COUNTY.  BY NWS EMPLOYEE.

 645 PM CDT   MARBLE TO DIME SIZE HAIL AND 32 TO 38 MPH WIND GUSTS AT
              BREWSTER MN IN NOBLES COUNTY MN.  BY NWS SPOTTER.

 647 PM CDT   DIME TO NICKLE SIZE HAIL...HEAVY RAIN AND 30 TO 40 MPH
              WIND GUSTS AT BREWSTER MN IN NOBLES COUNTY MN.  REPORTED
              BY BREWSTER FIRE DEPT.

DEMORIN
Special weather statement, Jun 6, 7:40 PM CDT, 35 minutes before
SDZ062-070130Z-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
735 PM CDT MON JUN 6 1994

...SEVERE THUNDERSTORM WATCH EASTERN SOUTH DAKOTA...SOUTHWEST
MINNESOTA AND NORTHWEST IOWA UNTIL 8 PM CDT...

AT 730 PM CDT A STRONG THUNDERSTORM WAS MOVING INTO THE NORTHERN
PORTIONS OF SIOUX FALLS. HEAVY RAIN...GUSTY WINDS...DANGEROUS LIGHTNING
AND SMALL HAIL CAN BE EXPECTED IN THE SIOUX FALLS METROPOLITAN AREA
THROUGH 8 PM THIS EVENING.

THE STORM IS MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR AND SHOULD BE
OUT OF THE SIOUX FALLS AREA BY 830 PM.

PERSONS IN THE SIOUX FALLS ARE SHOULD BE PREPARED FOR BRIEF HEAVY RAINS
AND LOCALLIZED STREET FLOODING. IF SEVERE WEATHER APPROACHES..B.SEEK
SHELTER IMMEDIATELY.
Special weather statement, Jun 6, 8:07 PM CDT, 8 minutes before
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Special weather statement, Jun 6, 8:09 PM CDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 8:15 PM CDTSevere Thunderstorm WarningFSDLyon60 min
Jun 6, 8:41 PM CDTSevere Thunderstorm WarningFSDPlymouth29 min
Jun 6, 7:45 PM CDTSevere Thunderstorm WarningFSDMinnehaha30 min
Jun 6, 9:01 PM CDTTornado WarningFSDTripp14 min
Jun 7, 2:39 AM CDTSevere Thunderstorm WarningFSDUnion36 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.