Alert archive / South Dakota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 148, NWS Aberdeen, SD

July 19, 2005McPherson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 19, 2005, 9:26 PM CDT for McPherson County, South Dakota. It was in force for 64 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
Jul 19, 2005, 9:26 PM CDT (02:26 UTC)
Expired
Jul 19, 2005, 10:30 PM CDT
In force
64 min
Issued by
NWS Aberdeen, SD
Area
Counties, with a storm outline in the text

County McPherson County, SD

The radar

The Aberdeen radar (KABR), 72 km from the middle of the area, began a volume at 02:27 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 19, 6:55 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.4 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 00:00Z on 2005-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1994 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 2005-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 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
1994 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
2043 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 7:52 PM CDTSevere Thunderstorm WarningABRHughes, Stanley, Sully53 min
Jul 19, 8:02 PM CDTSevere Thunderstorm WarningABRCampbell, Corson, Dewey, Walworth58 min
Jul 19, 8:58 PM CDTSevere Thunderstorm WarningABRCampbell47 min
Jul 19, 9:01 PM CDTSevere Thunderstorm WarningABRDewey, Stanley, Sully59 min
Jul 19, 9:43 PM CDTSevere Thunderstorm WarningABRCampbell30 min
Jul 19, 10:01 PM CDTSevere Thunderstorm WarningABRStanley27 min
Jul 19, 10:21 PM CDTSevere Thunderstorm WarningABRHughes, Sully23 min
Jul 19, 10:58 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds, McPherson62 min
Jul 20, 12:20 AM CDTSevere Thunderstorm WarningABRHand25 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2005Every severe thunderstorm warning in 2005

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.