Alert archive / South Dakota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 169, NWS Aberdeen, SD

July 19, 2008Campbell County, McPherson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 19, 2008, 6:37 PM CDT for Campbell County, McPherson County, South Dakota. It was in force for 53 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, 2008, 6:37 PM CDT (23:37 UTC)
Expired
Jul 19, 2008, 7:30 PM CDT
In force
53 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon

Counties Campbell County, SD, McPherson County, SD

The radar

The Aberdeen radar (KABR), 101 km from the middle of the area, began a volume at 23:37 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, 11.6 hours before the alert went out and 137 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 2008-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 12:00Z on 2008-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
10 J/kg
Mixed-layer CIN
-341 J/kg
Mixed-layer LCL
1445 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:20 PM CDTSevere Thunderstorm WarningABRCorson40 min
Jul 18, 8:01 PM CDTSevere Thunderstorm WarningABRCorson29 min
Jul 18, 8:28 PM CDTSevere Thunderstorm WarningABRDewey62 min
Jul 18, 9:29 PM CDTSevere Thunderstorm WarningABRDewey61 min
Jul 18, 10:23 PM CDTSevere Thunderstorm WarningABRDewey, Potter, Sully67 min
Jul 18, 11:05 PM CDTSevere Thunderstorm WarningABRDewey, Stanley, Sully55 min
Jul 18, 11:54 PM CDTSevere Thunderstorm WarningABRHughes, Stanley, Sully51 min
Jul 19, 12:08 AM CDTFlash Flood WarningABRDewey6 hr
Jul 19, 12:16 AM CDTSevere Thunderstorm WarningABRHughes, Stanley44 min
Jul 19, 12:41 AM CDTSevere Thunderstorm WarningABRBuffalo, Hand, Hughes, Hyde, Lyman, Stanley and 1 more64 min
Jul 19, 12:48 AM CDTAreal Flood AdvisoryABRPotter, Sully6 hr
Jul 19, 1:20 AM CDTSevere Thunderstorm WarningABRBuffalo, Hand, Hyde35 min
Jul 19, 4:02 AM CDTAreal Flood AdvisoryABRBrown, Faulk, Spink3 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2008Every severe thunderstorm warning in 2008

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.