Alert archive / South Dakota / Tornado Warnings in 2009
Tornado Warning 21, NWS Aberdeen, SD
NWS Aberdeen, SD issued this tornado warning at Jun 18, 2009, 2:55 PM CDT for Campbell County, McPherson County, South Dakota. It was in force for 50 min. 2 reports 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 18, 2009, 2:55 PM CDT (19:55 UTC)
- Expired
- Jun 18, 2009, 3:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
Counties Campbell County, SD, McPherson County, SD
The radar
The Aberdeen radar (KABR), 96 km from the middle of the area, began a volume at 19:58 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 18, 3:10 PM CDT | TSTM WND DMG | 7 Wsw Hillsview, SD | 12 INCH LIMB DOWN FROM COTTONWOOD TREE. 6 INCH LIMB DOWN FROM ASH TREE. MULTIPLE 4 INCH LIMBS DOWN FROM PINE TREES. NICKEL HAIL ALSO FELL. |
| Jun 18, 3:37 PM CDT | HAIL 0.88 | 4 Wnw Hillsview, SD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 1:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 7.9 hours before the alert went out and 128 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
- 725 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 995 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KABR 181955 TORABR SDC021-089-182045- /O.NEW.KABR.TO.W.0021.090618T1955Z-090618T2045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 255 PM CDT THU JUN 18 2009 THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN CAMPBELL COUNTY IN NORTH CENTRAL SOUTH DAKOTA... SOUTHWESTERN MCPHERSON COUNTY IN NORTH CENTRAL SOUTH DAKOTA... * UNTIL 345 PM CDT * AT 254 PM CDT...DOPPLER RADAR INDICATED A TORNADO. THIS TORNADO WAS LOCATED 8 MILES WEST OF HILLSVIEW...MOVING EAST AT 20 MPH. * THIS TORNADO WILL BE NEAR... HILLSVIEW AROUND 320 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. && LAT...LON 4573 9944 4560 9946 4560 9983 4576 9981 TIME...MOT...LOC 1955Z 266DEG 15KT 4567 9972 $$ MOHR
2 follow-up statements
000 WWUS53 KABR 182009 SVSABR SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 309 PM CDT THU JUN 18 2009 SDC021-182018- /O.CAN.KABR.TO.W.0021.000000T0000Z-090618T2045Z/ CAMPBELL SD- 309 PM CDT THU JUN 18 2009 ...THE TORNADO WARNING FOR SOUTHEASTERN CAMPBELL COUNTY HAS BEEN CANCELLED... SEVERE WEATHER HAD EITHER WEAKENED OR MOVED OUT OF THE WARNED AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR WEST CENTRAL MINNESOTA AND NORTHEASTERN SOUTH DAKOTA. LAT...LON 4561 9972 4575 9971 4573 9944 4560 9946 TIME...MOT...LOC 2008Z 266DEG 15KT 4567 9964 $$ SDC089-182045- /O.CON.KABR.TO.W.0021.000000T0000Z-090618T2045Z/ MCPHERSON SD- 309 PM CDT THU JUN 18 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR SOUTHWESTERN MCPHERSON COUNTY... AT 308 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 4 MILES WEST OF HILLSVIEW...MOVING EAST AT 15 MPH. THIS TORNADO WILL BE NEAR... HILLSVIEW AROUND 320 PM CDT... IN ADDITION TO THE TORNADO...LARGE HAIL AND DAMAGING STRAIGHT LINES WINDS ARE ALSO LIKELY WITH THESE STORMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR WEST CENTRAL MINNESOTA AND NORTHEASTERN SOUTH DAKOTA. && LAT...LON 4561 9972 4575 9971 4573 9944 4560 9946 TIME...MOT...LOC 2008Z 266DEG 15KT 4567 9964 $$ HINTZ
000 WWUS53 KABR 182041 SVSABR SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 341 PM CDT THU JUN 18 2009 SDC089-182051- /O.EXP.KABR.TO.W.0021.000000T0000Z-090618T2045Z/ MCPHERSON SD- 341 PM CDT THU JUN 18 2009 ...THE TORNADO WARNING FOR SOUTHWESTERN MCPHERSON COUNTY WILL EXPIRE AT 345 PM CDT/245 PM MDT/... THE TORNADO THREAT HAS DIMINSHED OVER THE WARNED AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR WEST CENTRAL MINNESOTA AND NORTHEASTERN SOUTH DAKOTA. LAT...LON 4561 9972 4575 9971 4573 9944 4560 9946 TIME...MOT...LOC 2041Z 266DEG 15KT 4568 9944 $$ HINTZ
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 9:37 PM CDT | Special Weather Statement | ABR | Jones | 53 min |
| Jun 17, 10:29 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 21 min |
| Jun 17, 11:41 PM CDT | Special Weather Statement | ABR | Sully | 34 min |
| Jun 18, 2:39 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 51 min |
| Jun 18, 2:47 PM CDT | Tornado Warning | ABR | Campbell, McPherson | 43 min |
| Jun 18, 3:17 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 58 min |
| Jun 18, 3:33 PM CDT | Special Weather Statement | ABR | Dewey | 27 min |
| Jun 18, 3:49 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 56 min |
| Jun 18, 4:13 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 16 min |
| Jun 18, 4:43 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, Faulk, Spink | 62 min |
| Jun 18, 6:15 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 60 min |
| Jun 18, 6:34 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 41 min |
Nearby
Tornado Warnings in South Dakota, 2009Every tornado warning in 2009Tornadoes in 2009
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.