Alert archive / South Dakota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 32, NWS Aberdeen, SD

June 16, 1998Corson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 16, 1998, 6:56 PM MDT for Corson County, South Dakota. It was in force for 59 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
Jun 16, 1998, 6:56 PM MDT (00:56 UTC)
Expired
Jun 16, 1998, 7:55 PM MDT
In force
59 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Corson County, SD

The radar

The Bismarck radar (KBIS), 123 km from the middle of the area, began a volume at 00:59 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.9 hours before the alert went out and 124 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, Bismarck Municip, ND at 00:00Z on 1998-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Bismarck Municip, ND at 00:00Z on 1998-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
5 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1349 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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.

NWS Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 9:30 AM MDT, 9 hours 26 minutes earlier.

Area forecast discussion, Jun 16, 9:30 AM MDT, 9 hours 26 minutes before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD
AND FOR TRAVERSE/BIG STONE COUNTIES OF MN
NATIONAL WEATHER SERVICE ABERDEEN SD
1030 AM CDT TUE JUN 16 1998

FOR NOW WILL NOT UPDATE SD FORECAST. MORNING SOUNDING AT ABR QUITE
DRY BUT MID LEVEL MOIST ADVECTING IN WILL TAKE CARE OF THAT.
CONVECTIVE TEMPS QUITE LOW AND PLENTY OF CU FORMING SO PTLY SUNNY
LOOKS FINE. WILL LEAVE IN SLIGHT CHC OF CONVECTION FOR AFTERNOON
ALTHO ON SECOND THOUGHT WILL PROBABLY ADJUST POPS DOWN A BIT IN WC
MN WHERE THEY SEEM A LITTLE HIGH FOR AFTN. ITS DEJA VU WITH THE NEW
NGM SHOWING ITS TYPICAL MODEL BIASES AND WILL AWAIT FOR ETA AND AVN
BEFORE GETTING TOO EXCITED ABOUT WED AND THU WX.

.ABR...NONE.
TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 6:20 PM MDTTornado WarningABRCorson35 min
Jun 16, 6:59 PM MDTSevere Thunderstorm WarningABRDewey61 min
Jun 16, 7:52 PM MDTSevere Thunderstorm WarningABRCorson63 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1998Every severe thunderstorm warning in 1998

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.