Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 67, NWS Aberdeen, SD

July 13, 1995Walworth County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 13, 1995, 12:19 AM CDT for Walworth County, South Dakota. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Jul 13, 1995, 12:19 AM CDT (05:19 UTC)
Expired
Jul 13, 1995, 12:48 AM CDT
In force
29 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Walworth County, SD

The radar

The Aberdeen radar (KABR), 126 km from the middle of the area, began a volume at 05:19 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, 5.3 hours before the alert went out and 141 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 1995-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3028 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 1995-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
3028 J/kg
Mixed-layer CIN
-261 J/kg
Mixed-layer LCL
1466 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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, Jul 12, 8:09 PM CDT, 4 hours 10 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 10:25 PM CDTSevere Thunderstorm WarningABRCorson40 min
Jul 12, 11:09 PM CDTSevere Thunderstorm WarningABRCorson41 min
Jul 12, 11:14 PM CDTSevere Thunderstorm WarningABRDewey61 min
Jul 12, 11:38 PM CDTSevere Thunderstorm WarningABRCorson47 min
Jul 12, 11:56 PM CDTSevere Thunderstorm WarningABRCampbell64 min
Jul 13, 12:15 AM CDTSevere Thunderstorm WarningABRDewey65 min
Jul 13, 12:27 AM CDTSevere Thunderstorm WarningABRCorson63 min
Jul 13, 1:30 AM CDTSevere Thunderstorm WarningABRCorson60 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.