Alert archive / South Dakota / Tornado Warnings in 2009
Tornado Warning 31, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 24, 2009, 8:13 PM CDT for Beadle County, Jerauld County, Sanborn County, South Dakota. It was in force for 40 min. 3 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 24, 2009, 8:13 PM CDT (01:13 UTC)
- Expired
- Jun 24, 2009, 8:53 PM CDT
- In force
- 40 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
Counties Beadle County, SD, Jerauld County, SD, Sanborn County, SD
The radar
The Aberdeen radar (KABR), 133 km from the middle of the area, began a volume at 01:15 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 24, 8:15 PM CDT | HAIL 1.75 | 4 N Alpena, SD | |
| Jun 24, 8:50 PM CDT | HAIL 1 | 8 Nne Forestburg, SD | |
| Jun 24, 8:50 PM CDT | HAIL 1.75 | 7 N Forestburg, SD | GROUND WHITE FROM LARGE HAIL |
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 24, 6:16 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 1.2 hours before the alert went out and 72 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
- 3 J/kg
- Mixed-layer CIN
- -392 J/kg
- Mixed-layer LCL
- 1862 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 208 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFSD 250113 TORFSD SDC005-073-111-250200- /O.NEW.KFSD.TO.W.0031.090625T0113Z-090625T0200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 813 PM CDT WED JUN 24 2009 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN BEADLE COUNTY IN EAST CENTRAL SOUTH DAKOTA NORTHEASTERN JERAULD COUNTY IN EAST CENTRAL SOUTH DAKOTA NORTHWESTERN SANBORN COUNTY IN EAST CENTRAL SOUTH DAKOTA * UNTIL 900 PM CDT * AT 812 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND SPOTTERS WERE TRACKING A CONFIRMED TORNADO SOUTH OF VIRGIL...OR 15 MILES SOUTHWEST OF HURON. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST SOUTHEAST AT 20 MPH. * THE TORNADO WILL BE NEAR... ALPENA AROUND 825 PM CDT... AT 807 PM CDT...SPOTTERS REPORTED A TORNADO WITH DEBRIS WAS REPORTED NEAR VIRGIL. IN ADDITION...LARGE HAIL WILL FALL NORTH OF THE TRACK OF THE TORNADO TOWARD HURON...AND SOUTH OF CAVOUR. 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 4435 9790 4403 9809 4421 9857 4443 9833 TIME...MOT...LOC 0112Z 292DEG 16KT 4423 9845 $$ CHAPMAN
3 follow-up statements
000 WWUS53 KFSD 250126 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 826 PM CDT WED JUN 24 2009 SDC005-073-111-250200- /O.CON.KFSD.TO.W.0031.000000T0000Z-090625T0200Z/ JERAULD SD-SANBORN SD-BEADLE SD- 826 PM CDT WED JUN 24 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR SOUTHERN BEADLE...NORTHWESTERN SANBORN AND NORTHEASTERN JERAULD COUNTIES... AT 821 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. THIS FUNNEL CLOUD WAS LOCATED NEAR ALPENA...OR 14 MILES SOUTHWEST OF HURON...MOVING SOUTHEAST AT 20 MPH. THE TORNADO WILL BE NEAR... RURAL NORTHWESTERN SANBORN COUNTY SOUTHEAST OF ALPENA AND NORTH OF WOONSOCKET THROUGH 840 PM CDT AT 815 PM CDT...GOLF BALL SIZE HAIL WAS REPORTED 4 MILES NORTH OF ALPENA. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT THURSDAY MORNING FOR SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH DAKOTA. && LAT...LON 4435 9790 4403 9809 4421 9857 4443 9833 TIME...MOT...LOC 0124Z 301DEG 17KT 4418 9834 $$ CHAPMAN
000
WWUS53 KFSD 250140
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
840 PM CDT WED JUN 24 2009
SDC073-250149-
/O.CAN.KFSD.TO.W.0031.000000T0000Z-090625T0200Z/
JERAULD SD-
840 PM CDT WED JUN 24 2009
...THE TORNADO WARNING FOR EXTREME NORTHEASTERN JERAULD COUNTY IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT
THURSDAY MORNING FOR SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA.
LAT...LON 4428 9795 4403 9809 4413 9834 4428 9828
4430 9827
TIME...MOT...LOC 0139Z 300DEG 22KT 4412 9821
$$
SDC005-111-250200-
/O.CON.KFSD.TO.W.0031.000000T0000Z-090625T0200Z/
SANBORN SD-BEADLE SD-
840 PM CDT WED JUN 24 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR SOUTHERN
BEADLE AND NORTHWESTERN SANBORN COUNTIES...
AT 839 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED OVER NORTHERN SANBORN
COUNTY...5 MILES NORTH NORTHEAST OF WOONSOCKET...OR 17 MILES SOUTH
OF HURON...MOVING SOUTHEAST AT 25 MPH.
THE TORNADO WILL BE NEAR...
RURAL SANBORN COUNTY NORTH OF WOONSOCKET AND FORESTBURG THROUGH
850 PM CDT
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT
THURSDAY MORNING FOR SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA.
&&
LAT...LON 4428 9795 4403 9809 4413 9834 4428 9828
4430 9827
TIME...MOT...LOC 0139Z 300DEG 22KT 4412 9821
$$
CHAPMAN000
WWUS53 KFSD 250153
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
853 PM CDT WED JUN 24 2009
SDC005-111-250159-
/O.CAN.KFSD.TO.W.0031.000000T0000Z-090625T0200Z/
SANBORN SD-BEADLE SD-
853 PM CDT WED JUN 24 2009
...THE TORNADO WARNING FOR SOUTHERN BEADLE AND NORTHWESTERN SANBORN
COUNTIES IS CANCELLED...
...A TORNADO WARNING HAS BEEN ISSUED FOR SANBORN AND WESTERN MINER
COUNTIES UNTIL 930 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA. HOWEVER...DOPPLER RADAR CONTINUES TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NORTHEAST OF WOONSOCKET
AND ALSO NEAR FORESTBURG...MOVING SOUTHEAST AT 30 MPH. VERY LARGE
HAIL UP TO HEN EGG SIZE NORTH OF FORESTBURG AND ARTESIAN.
AT 850 PM CDT...GOLF BALL SIZE HAIL WAS REPORTED NORTHEAST OF
WOONSOCKET.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT
THURSDAY MORNING FOR SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA.
LAT...LON 4428 9795 4403 9809 4413 9834 4428 9828
4430 9827
TIME...MOT...LOC 0152Z 300DEG 22KT 4409 9814
$$
CHAPMANThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:34 PM CDT | Tornado Warning | FSD | Beadle | 41 min |
| Jun 24, 8:47 PM CDT | Tornado Warning | FSD | Miner, Sanborn | 43 min |
| Jun 24, 9:12 PM CDT | Tornado Warning | FSD | Davison, Hanson, McCook, Miner, Sanborn | 48 min |
| Jun 24, 9:56 PM CDT | Tornado Warning | FSD | Hanson, Hutchinson, McCook, Turner | 49 min |
| Jun 24, 10:38 PM CDT | Tornado Warning | FSD | Hutchinson, McCook, Turner | 37 min |
| Jun 24, 11:11 PM CDT | Tornado Warning | FSD | Lincoln, Turner | 34 min |
| Jun 24, 11:35 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison | 25 min |
| Jun 24, 11:41 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Yankton | 34 min |
| Jun 24, 11:49 PM CDT | Tornado Warning | FSD | Aurora, Douglas | 26 min |
| Jun 24, 11:59 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Sanborn | 31 min |
| Jun 25, 12:06 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Union | 24 min |
| Jun 25, 12:13 AM CDT | Tornado Warning | FSD | Aurora, Charles Mix, Douglas | 32 min |
| Jun 25, 12:24 AM CDT | Severe Thunderstorm Warning | FSD | Union | 36 min |
| Jun 25, 12:35 AM CDT | Severe Thunderstorm Warning | FSD | Douglas, Hutchinson | 25 min |
| Jun 25, 12:43 AM CDT | Tornado Warning | FSD | Charles Mix, Douglas | 32 min |
| Jun 25, 12:58 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 32 min |
| Jun 25, 1:13 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas | 17 min |
| Jun 25, 1:17 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 43 min |
| Jun 25, 1:22 AM CDT | Flash Flood Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 3 hr |
| Jun 25, 2:12 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 38 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.