Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 17, NWS Sioux Falls, SD

June 22, 1995Mellette County, Todd County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 22, 1995, 7:34 PM CDT for Mellette County, Todd County, South Dakota. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1995, 7:34 PM CDT (00:34 UTC)
Expired
Jun 22, 1995, 8:18 PM CDT
In force
44 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Mellette County, SD, Todd County, SD

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 0.6 hours before the alert went out and 188 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, Rapid City, SD at 00:00Z on 1995-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 63 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, Rapid City, SD at 00:00Z on 1995-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.19395878Sfc1 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
63 J/kg
Mixed-layer CIN
-204 J/kg
Mixed-layer LCL
1369 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-26 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 230035 RRA
SVRFSD
SDC095-121-230120-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
734 PM CDT THU JUN 22 1995

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 820 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTH CENTRAL SOUTH DAKOTA

   ...SOUTHEASTERN MELLETTE
   ...TODD
 
AT 729 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS
DOPPLER RADAR 25 MILES WEST OF WINNER  OR 3 MILES NORTH OF OKREEK
MOVING NORTHEAST AT 20 MPH. ANOTHER SEVERE THUNDERSTORM WAS LOCATED 50
MILES WEST OF WINNER IN CENTRAL TODD COUNTY OR ABOUT 10 MILES SOUTHWEST
OF MISSION.  THIS THUNDERSTORM WAS ALSO MOVING TO THE NORTHEAST AT 20
MPH.

THIS STORM CAN BE EXPECTED IN THE VICINITY OF...
MOSHER                   BY 742 PM CDT
 
AT 710 PM BASEBALL SIZE HAIL WAS REPORTED 12 MILES NORTHEAST OF MISSION
SD. AT 700 PM GOLFBALL SIZE HAIL WAS REPORTED 1 TO 2 MILES EAST OF
MISSION.


STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINFALL AND
SMALL HAIL MAY ACCOMPANY THE STRONGER STORMS.

&

MED

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, Jun 22, 3:33 PM CDT, 4 hours 1 minute before
SDZ001>070-MNZ097-098-IAZ001-012-230300-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE SIOUX FALLS SD
333 PM CDT THU JUN 22 1995

...HEAVY RAINS POSSIBLE ACROSS SOUTH DAKOTA TONIGHT...

A SLOW MOVING COLD FRONT WILL CONTINUE TO TRIGGER THUNDERSTORMS ACROSS
SOUTH DAKOTA TONIGHT. LOCALLY HEAVY RAINS ARE POSSIBLE WITH THESE
THUNDERSTORMS DUE TO THEIR SLOW MOVEMENT. THE BEST CHANCE FOR HEAVY
RAINS WILL BE ACROSS THE WEST THIS EVENING AND OVER THE CENTRAL AND
EAST DURING THE NIGHT.

PERSONS ACROSS SOUTH DAKOTA...ESPECIALLY THOSE NEAR RIVERS AND
STREAMS...AND THOSE CAMPING IN THE BLACK HILLS...SHOULD KEEP UP TO DATE
ON THIS WEATHER SITUATION. BE PREPARED TO MOVE TO HIGHER GROUND IF
FLOODING DOES OCCUR OR IF A WARNING IS ISSUED.
Special weather statement, Jun 22, 3:34 PM CDT, 4 hours before
SDZ001-070-MNZ097-098-IAZ001-012-230300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
333 PM CDT THU JUN 22 1995

...HEAVY RAINS POSSIBLE ACROSS SOUTH DAKOTA TONIGHT...

A SLOW MOVING COLD FRONT WILL CONTINUE TO TRIGGER THUNDERSTORMS ACROSS
SOUTH DAKOTA TONIGHT. LOCALLY HEAVY RAINS ARE POSSIBLE WITH THESE
THUNDERSTORMS DUE TO THEIR SLOW MOVEMENT. THE BEST CHANCE FOR HEAVY
RAINS WILL BE ACROSS THE WEST THIS EVENING AND OVER THE CENTRAL AND
EAST DURING THE NIGHT.

PERSONS ACROSS SOUTH DAKOTA...ESPECIALLY THOSE NEAR RIVERS AND
STREAMS...AND THOSE CAMPING IN THE BLACK HILLS...SHOULD KEEP UP TO DATE
ON THIS WEATHER SITUATION. BE PREPARED TO MOVE TO HIGHER GROUND IF
FLOODING DOES OCCUR OR IF A WARNING IS ISSUED.
Special weather statement, Jun 22, 3:36 PM CDT, 3 hours 58 minutes before
SDZ001>070-MNZ097-098-IAZ001-012-230300-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE SIOUX FALLS SD
333 PM CDT THU JUN 22 1995

...HEAVY RAINS POSSIBLE ACROSS SOUTH DAKOTA TONIGHT...

A SLOW MOVING COLD FRONT WILL CONTINUE TO TRIGGER THUNDERSTORMS ACROSS
SOUTH DAKOTA TONIGHT. LOCALLY HEAVY RAINS ARE POSSIBLE WITH THESE
THUNDERSTORMS DUE TO THEIR SLOW MOVEMENT. THE BEST CHANCE FOR HEAVY
RAINS WILL BE ACROSS THE WEST THIS EVENING AND OVER THE CENTRAL AND
EAST DURING THE NIGHT.

PERSONS ACROSS SOUTH DAKOTA...ESPECIALLY THOSE NEAR RIVERS AND
STREAMS...AND THOSE CAMPING IN THE BLACK HILLS...SHOULD KEEP UP TO DATE
ON THIS WEATHER SITUATION. BE PREPARED TO MOVE TO HIGHER GROUND IF
FLOODING DOES OCCUR OR IF A WARNING IS ISSUED.
Local storm report, Jun 22, 5:40 PM CDT, 1 hour 54 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE HURON SD
540 PM CDT THU JUN 22 1995

STORM DATA FOR JUNE 21 1995

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

DURING         HUGHES CO...PIERRE 4 N      TREE BRANCHES TO 3 INCH
EVENING                                    DIAMETER BROKEN. TEMPORARY
                                           GREENHOUSE BLOWN AWAY

SPRINGER
Local storm report, Jun 22, 5:45 PM CDT, 1 hour 49 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE HURON SD
540 PM CDT THU JUN 22 1995

STORM DATA FOR JUNE 21 1995

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

DURING         HUGHES CO.F..PIERRE 4 N      TREE BRANCHES TO 3 INCH
EVENING                                    DIAMETER BROKEN. TEMPORARY
                                           GREENHOUSE BLOWN AWAY

SPRINGER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 7:56 PM CDTSevere Thunderstorm WarningFSDTripp34 min

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.