Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 5, NWS Sioux Falls, SD

June 6, 1995Brule County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 6, 1995, 10:56 PM CDT for Brule County, South Dakota. It was in force for 20 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1995, 10:56 PM CDT (03:56 UTC)
Expired
Jun 6, 1995, 11:16 PM CDT
In force
20 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Brule County, SD

The radar

The Sioux Falls radar (KFSD), 190 km from the middle of the area, began a volume at 03:55 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, 3.9 hours before the alert went out and 142 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 1995-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 578 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 1995-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
578 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1458 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 070355 RRA
SVRFSD
SDC015-070430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1056 PM CDT TUE JUN 6 1995

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTH CENTRAL SOUTH DAKOTA

   ...NORTHEASTERN BRULE
 
AT 1054 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS
DOPPLER RADAR 16 MILES EAST OF CHAMBERLAIN  OR 2 MILES WEST OF
LYONVILLE MOVING EAST AT 23 MPH.

THIS STORM CAN BE EXPECTED IN THE VICINITY OF...
LYONVILLE                BY 1101 PM CDT
 
IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

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 6, 8:15 PM CDT, 2 hours 41 minutes before
SDZ045-048-080715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HURON SD
815 PM CDT TUE JUN 6 1995

TWO ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN...SMALL HAIL AND
GUSTY WINDS WERE LOCATED ON THE WHITE RIVER/10 MILES SOUTHWEST
OF MURDO AND 10 MILES SOUTHEAST OF DRAPER.

THESE TWO STORMS HAVE INDICATED LITTLE OR NO MOVEMENT OVER THE PAST
TWO HOURS.  PERSONS ALONG THE WHITE RIVER IN SOUTHERN JONES AND
SOUTHWEST LYMAN COUNTIES SHOULD BE ON THE ALERT FOR POSSIBLE FLASH
FLOODING OF LOW LYING AREAS.

PFEIFFER

IF YOU LIVE IN AN AREA PRONE TO FLOODING...BY PREPARED TO MOVE
TO HIGHER GROUND.  PLEASE STAY INFORMED BY LISTENING TO THE LATEST
STATEMENTS AND POSSIBLE WARNINGS ISSUED BY THE NATIONAL WEATHER
SERVICE.

...SOLOMON

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Special weather statement, Jun 6, 8:25 PM CDT, 2 hours 31 minutes before
SDZ045-048-080715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HURON SD
815 PM CDT TUE JUN 6 1995

TWO ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN...SMALL HAIL AND
GUSTY WINDS WERE LOCATED ON THE WHITE RIVER/10 MILES SOUTHWEST
OF MURDO AND 10 MILES SOUTHEAST OF DRAPER.

THESE TWO STORMS HAVE INDICATED LITTLE OR NO MOVEMENT OVER THE PAST
TWO HOURS.  PERSONS ALONG THE WHITE RIVER IN SOUTHERN JONES AND
SOUTHWEST LYMAN COUNTIES SHOULD BE ON THE ALERT FOR POSSIBLE FLASH
FLOODING OF LOW LYING AREAS.

PFEIFFER

IF YOU LIVE IN AN AREA PRONE TO FLOODING...BY PREPARED TO MOVE
TO HIGHER GROUND.  PLEASE STAY INFORMED BY LISTENING TO THE LATEST
STATEMENTS AND POSSIBLE WARNINGS ISSUED BY THE NATIONAL WEATHER
SERVICE.

...SOLOMON
Special weather statement, Jun 6, 8:28 PM CDT, 2 hours 28 minutes before
SDZ045-048-080715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HURON SD
815 PM CDT TUE JUN 6 1995

TWO ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN...SMALL HAIL AND
GUSTY WINDS WERE LOCATED ON THE WHITE RIVER/10 MILES SOUTHWEST
OF MURDO AND 10 MILES SOUTHEAST OF DRAPER.

THESE TWO STORMS HAVE INDICATED LITTLE OR NO MOVEMENT OVER THE PAST
TWO HOURS.  PERSONS ALONG THE WHITE RIVER IN SOUTHERN JONES AND
SOUTHWEST LYMAN COUNTIES SHOULD BE ON THE ALERT FOR POSSIBLE FLASH
FLOODING OF LOW LYING AREAS.

PFEIFFER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 10:15 PM CDTSevere Thunderstorm WarningFSDBrule35 min
Jun 7, 12:18 AM CDTSevere Thunderstorm WarningFSDTurner42 min
Jun 7, 12:52 AM CDTSevere Thunderstorm WarningFSDLincoln38 min
Jun 7, 4:47 AM CDTSevere Thunderstorm WarningFSDLincoln, Turner28 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; radar from the NEXRAD Level II archive.