Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 35, NWS Aberdeen, SD

May 31, 1996McPherson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 31, 1996, 3:33 PM CDT for McPherson County, South Dakota. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 31, 1996, 3:33 PM CDT (20:33 UTC)
Expired
May 31, 1996, 4:20 PM CDT
In force
47 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County McPherson County, SD

The radar

The Aberdeen radar (KABR), 72 km from the middle of the area, began a volume at 20:38 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 12:00Z, 8.6 hours before the alert went out and 116 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 12:00Z on 1996-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1996-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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

Special weather statement, May 31, 10:47 AM CDT, 4 hours 46 minutes before
SDZ003>011-015>023-033>037-045-048-051-MNZ039-046-011200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
1045 AM CDT FRI MAY 31 1996

...SEVERE THUNDERSTORMS ARE POSSIBLE LATE TODAY AND THIS EVENING...

A COLD FRONT IN THE WESTERN DAKOTAS WILL DRIFT EAST ACROSS CENTRAL AND
EASTERN SOUTH DAKOTA THIS AFTERNOON AND TONIGHT. SCATTERED THUNDERSTORMS
SHOULD DEVELOP ALONG THE FRONT IN CENTRAL SOUTH DAKOTA THIS AFTERNOON...
AND MOVE INTO EASTERN SOUTH DAKOTA AND WEST CENTRAL MINNESOTA THIS
EVENING. SOME OF THE STORMS COULD BECOME SEVERE BY LATE AFTERNOON...WITH
LARGE HAIL AND DAMAGING WINDS. THE THREAT OF SEVERE STORMS SHOULD END
OVERNIGHT AS THE COLD FRONT MOVES EAST INTO MINNESOTA.
6
EMERGENCY MANAGERS SHOULD BE PREPARED FOR POSSIBLE SKYWARN ACTIVATION
LATE THIS AFTERNOON AND EVENING.

MIDDLEBROOKE
Special weather statement, May 31, 3:13 PM CDT, 20 minutes before
SDZ003>005-009-010-015>017-033>036-010215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
313 PM CDT (213 PM MDT) FRI MAY 31 1996

...TORNADO WATCH IN EFFECT UNTIL 9 PM CDT (8 PM MDT)...

IN NORTH CENTRAL SOUTH DAKOTA...THE WATCH INCLUDES THE COUNTIES OF
CAMPBELL...CORSON...DEWEY...EDMUNDS...FAULK...MCPHERSON...POTTER...
AND WALWORTH. IN CENTRAL SOUTH DAKOTA THE AFFECTED COUNTIES INCLUDE
HUGHES...HYDE...STANLEY AND SULLY.

COMMUNITIES IN THE WATCH INCLUDE TIMBER LAKE...MCINTOSH...
MOBRIDGE...PIERRE...GETTYSBURG...IPSWICH...LEOLA AND FAULKTON.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. BE ON THE ALBERT
FOR THREATENING WEATHER...AND LISTEN FOR FURTHER STATEMENTS AND
POSSIBLE WARNINGS.

MIDDLEBROOKE

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 3:02 PM CDTTornado WarningABRDewey43 min
May 31, 3:45 PM CDTTornado WarningABRDewey45 min
May 31, 3:57 PM CDTSevere Thunderstorm WarningABRCorson48 min
May 31, 4:01 PM CDTSevere Thunderstorm WarningABRCampbell64 min
May 31, 4:25 PM CDTSevere Thunderstorm WarningABREdmunds50 min
May 31, 4:40 PM CDTSevere Thunderstorm WarningABRBrown45 min
May 31, 4:59 PM CDTSevere Thunderstorm WarningABRMcPherson46 min
May 31, 5:08 PM CDTTornado WarningABRBrown, Edmunds, McPherson32 min
May 31, 5:40 PM CDTTornado WarningABRBrown45 min
May 31, 6:08 PM CDTSevere Thunderstorm WarningABREdmunds, McPherson32 min
May 31, 6:17 PM CDTTornado WarningABRMarshall63 min
May 31, 6:30 PM CDTSevere Thunderstorm WarningABRBrown65 min
May 31, 6:36 PM CDTTornado WarningABRBrown49 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1996Every severe thunderstorm warning in 1996

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.