Alert archive / South Dakota / Tornado Warnings in 2012
Tornado Warning 4, NWS Aberdeen, SD
NWS Aberdeen, SD issued this tornado warning at Jun 1, 2012, 7:31 PM CDT for Clark County, South Dakota. It was in force for 29 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 1, 2012, 7:31 PM CDT (00:31 UTC)
- Expired
- Jun 1, 2012, 8:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
County Clark County, SD
The radar
The Aberdeen radar (KABR), 72 km from the middle of the area, began a volume at 00:31 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 |
|---|---|---|---|
| Jun 1, 7:59 PM CDT | TORNADO | 3 E Raymond, SD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 0.5 hours before the alert went out and 50 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
- 443 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1068 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
156 WFUS53 KABR 020031 TORABR SDC025-020100- /O.NEW.KABR.TO.W.0004.120602T0031Z-120602T0100Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 731 PM CDT FRI JUN 1 2012 THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A * TORNADO WARNING FOR... NORTHERN CLARK COUNTY IN NORTHEAST SOUTH DAKOTA... * UNTIL 800 PM CDT * AT 727 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR CRANDALL...OR 16 MILES NORTHWEST OF CLARK... AND MOVING SOUTHEAST AT 25 MPH. * THIS TORNADIC STORM WILL BE NEAR... HILLCREST COLONY AROUND 800 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4493 9757 4488 9792 4509 9798 4513 9786 TIME...MOT...LOC 0031Z 331DEG 20KT 4505 9792 $$
1 follow-up statement
387 WWUS53 KABR 020049 SVSABR SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 749 PM CDT FRI JUN 1 2012 SDC025-020100- /O.CON.KABR.TO.W.0004.000000T0000Z-120602T0100Z/ CLARK SD- 749 PM CDT FRI JUN 1 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN CLARK COUNTY UNTIL 800 PM CDT... AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES NORTHEAST OF RAYMOND...OR 10 MILES NORTHWEST OF CLARK...MOVING SOUTHEAST AT 25 MPH. THIS DANGEROUS STORM WILL BE NEAR... HILLCREST COLONY AROUND 800 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4507 9777 4493 9757 4488 9792 4501 9796 TIME...MOT...LOC 0049Z 331DEG 20KT 4496 9785 $$ CONNELLY
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:57 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Hamlin | 48 min |
| Jun 1, 8:04 PM CDT | Tornado Warning | ABR | Clark | 26 min |
| Jun 1, 8:50 PM CDT | Tornado Warning | ABR | Clark, Hamlin | 25 min |
Nearby
Tornado Warnings in South Dakota, 2012Every tornado warning in 2012Tornadoes in 2012
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.