Alert archive / South Dakota / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 147, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 19, 2005, 8:01 PM MDT for Dewey County, Stanley County, Sully County, South Dakota. It was in force for 59 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 19, 2005, 8:01 PM MDT (02:01 UTC)
- Expired
- Jul 19, 2005, 9:00 PM MDT
- In force
- 59 min
- Issued by
- NWS Aberdeen, SD
- Area
- Counties, with a storm outline in the text
Counties Dewey County, SD, Stanley County, SD, Sully County, SD
The radar
The Aberdeen radar (KABR), 187 km from the middle of the area, began a volume at 02:02 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 19, 8:20 PM MDT | HAIL 0.75 | 10 S Ridgeview, SD | |
| Jul 19, 8:50 PM MDT | HAIL 1 | 4 N Mission Ridge, SD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 49 minutes after it went out.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 2.0 hours before the alert went out and 173 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.
- 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
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 6:52 PM MDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 53 min |
| Jul 19, 7:02 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Walworth | 58 min |
| Jul 19, 7:58 PM MDT | Severe Thunderstorm Warning | ABR | Campbell | 47 min |
| Jul 19, 8:26 PM MDT | Severe Thunderstorm Warning | ABR | McPherson | 64 min |
| Jul 19, 8:43 PM MDT | Severe Thunderstorm Warning | ABR | Campbell | 30 min |
| Jul 19, 9:01 PM MDT | Severe Thunderstorm Warning | ABR | Stanley | 27 min |
| Jul 19, 9:21 PM MDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 23 min |
| Jul 19, 9:58 PM MDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 62 min |
| Jul 19, 11:20 PM MDT | Severe Thunderstorm Warning | ABR | Hand | 25 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.