Alert archive / South Dakota / Tornado Warnings in 1995

Tornado Warning 7, NWS Aberdeen, SD

July 27, 1995Kingsbury County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jul 27, 1995, 5:25 AM CDT for Kingsbury County, South Dakota. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jul 27, 1995, 5:25 AM CDT (10:25 UTC)
Expired
Jul 27, 1995, 6:15 AM CDT
In force
50 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Kingsbury County, SD

The radar

The Sioux Falls radar (KFSD), 106 km from the middle of the area, began a volume at 10:24 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, 10.4 hours before the alert went out and 93 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 1995-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2702 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 1995-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 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
2702 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
1287 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
319 m²/s²
Significant tornado parameter
1.6
Supercell composite
22.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHON 271027
TORHON
SDC077-271115-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HURON SD
525 AM CDT THU JUL 27 1995
 
THE NATIONAL WEATHER SERVICE IN HURON SD HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  615 AM CDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL SOUTH DAKOTA
 
   ...EASTERN KINGSBURY COUNTY
 
AT 523 AM CDT...RADAR INDICATED A DEVELOPING TORNADO 10 MILES EAST OF
DE SMET...OR 40 MILES EAST OF HURON...MOVING EAST AT 20 MILES AN HOUR.
 
IF YOU ARE IN THE PATH OF A TORNADO...YOU SHOULD GO TO A BASEMENT
SHELTER IF AVAILABLE.  OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE.  ABANDON CARS AND MOBILE HOMES IN FAVOR OF A
REINFORCED BUILDING.

What forecasters said that day

The local office's own words before this tornado 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, Jul 27, 3:16 AM CDT, 2 hours 9 minutes before
SDZ004>011-016>018-271420-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
316 AM CDT THU JUL 27 1995

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF NORTHCENTRAL
AND NORTHEAST SOUTH DAKOTA UNTIL 9 AM CDT. LARGE HAIL...DAMAGING
WINDS...LOCALLY HEAVY RAIN AS WELL AS DANGEROUS LIGHTNING ARE
POSSIBLE.

THE THUNDERSTORMS WILL MOVE EAST TO NORTHEAST AT 30 TO 40 MPH AND
MAY PRODUCE WINDS UP TO 70 MPH.

RESIDENTS ARE URGED TO BE PREPARED TO MOVE TO A PLACE OF SAFETY IF
SEVERE WEATHER APPROACHES YOUR AREA.

OLSON
Special weather statement, Jul 27, 3:17 AM CDT, 2 hours 8 minutes before
SDZ004>011-016>018-271420-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
316 AM CDT THU JUL 27 1995

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF NORTHCENTRAL
AND NORTHEAST SOUTH DAKOTA UNTIL 9 AM CDT. LARGE HAIL...DAMAGING
WINDS...LOCALLY HEAVY RAIN AS WELL AS DANGEROUS LIGHTNING ARE
POSSIBLE.

THE THUNDERSTORMS WILL MOVE EAST TO NORTHEAST AT 30 TO 40 MPH AND
MAY PRODUCE WINDS UP TO 70 MPH.

RESIDENTS ARE URGED TO tBE PREPARED TO MOVE TO A PLACE OF SAFETY IF
SEVERE WEATHER APPROACHES YOUR AREA.

OLSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 1:52 AM CDTSevere Thunderstorm WarningABRBeadle, Hand, Jerauld53 min
Jul 27, 2:08 AM CDTSevere Thunderstorm WarningABRSpink57 min
Jul 27, 2:11 AM CDTSevere Thunderstorm WarningABRCorson64 min
Jul 27, 2:30 AM CDTSevere Thunderstorm WarningABRFaulk28 min
Jul 27, 2:48 AM CDTSevere Thunderstorm WarningABRCampbell62 min
Jul 27, 3:10 AM CDTSevere Thunderstorm WarningABRMiner50 min
Jul 27, 3:17 AM CDTSevere Thunderstorm WarningABRCorson25 min
Jul 27, 3:31 AM CDTSevere Thunderstorm WarningABRWalworth59 min
Jul 27, 4:02 AM CDTSevere Thunderstorm WarningABRKingsbury46 min
Jul 27, 4:05 AM CDTSevere Thunderstorm WarningABREdmunds, McPherson60 min
Jul 27, 4:45 AM CDTSevere Thunderstorm WarningABRHamlin, Kingsbury45 min
Jul 27, 4:52 AM CDTSevere Thunderstorm WarningABRFaulk48 min
Jul 27, 5:04 AM CDTSevere Thunderstorm WarningABRBrown, Spink56 min
Jul 27, 5:08 AM CDTSevere Thunderstorm WarningABREdmunds32 min
Jul 27, 6:02 AM CDTSevere Thunderstorm WarningABRBrown, Day, Spink63 min
Jul 27, 6:10 AM CDTSevere Thunderstorm WarningABRClark50 min
Jul 27, 6:45 AM CDTSevere Thunderstorm WarningABRCodington45 min

Nearby

Tornado Warnings in South Dakota, 1995Every tornado warning in 1995Tornadoes 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.