Alert archive / South Dakota / Tornado Warnings in 2012
Tornado Warning 6, NWS Aberdeen, SD
NWS Aberdeen, SD issued this tornado warning at Jun 1, 2012, 8:50 PM CDT for Clark County, Hamlin County, South Dakota. It was in force for 25 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, 8:50 PM CDT (01:50 UTC)
- Expired
- Jun 1, 2012, 9:15 PM CDT
- In force
- 25 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
Counties Clark County, SD, Hamlin County, SD
The radar
The Aberdeen radar (KABR), 118 km from the middle of the area, began a volume at 01:54 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, 9:14 PM CDT | TORNADO | 3 S Willow Lake, 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, 1.8 hours before the alert went out and 75 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.
922
WFUS53 KABR 020150
TORABR
SDC025-057-020215-
/O.NEW.KABR.TO.W.0006.120602T0150Z-120602T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
850 PM CDT FRI JUN 1 2012
THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN CLARK COUNTY IN NORTHEAST SOUTH DAKOTA...
SOUTHWESTERN HAMLIN COUNTY IN NORTHEAST SOUTH DAKOTA...
* UNTIL 915 PM CDT
* AT 849 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR
WILLOW LAKE...OR 16 MILES SOUTH OF CLARK. DOPPLER RADAR SHOWED THIS
TORNADO MOVING SOUTHEAST AT 20 MPH.
* THE TORNADO WILL BE NEAR...
WILLOW LAKE AROUND 855 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. 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 4454 9753 4453 9754 4453 9768 4454 9769
4466 9773 4473 9761 4454 9743 4454 9744
TIME...MOT...LOC 0150Z 328DEG 16KT 4466 9766
$$
CONNELLY1 follow-up statement
866
WWUS53 KABR 020215
SVSABR
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
915 PM CDT FRI JUN 1 2012
SDC025-057-020225-
/O.EXP.KABR.TO.W.0006.000000T0000Z-120602T0215Z/
HAMLIN SD-CLARK SD-
915 PM CDT FRI JUN 1 2012
...THE TORNADO WARNING FOR SOUTHEASTERN CLARK AND SOUTHWESTERN HAMLIN
COUNTIES HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
LAT...LON 4454 9753 4453 9754 4453 9768 4454 9769
4466 9773 4473 9761 4454 9743 4454 9744
TIME...MOT...LOC 0150Z 328DEG 16KT 4466 9766
$$
TDKThe office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:31 PM CDT | Tornado Warning | ABR | Clark | 29 min |
| 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 |
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.