Alert archive / South Dakota / Tornado Warnings in 2007
Tornado Warning 41, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Aug 21, 2007, 5:46 PM CDT for Charles Mix County, South Dakota. It was in force for 44 min. 6 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
- Aug 21, 2007, 5:46 PM CDT (22:46 UTC)
- Expired
- Aug 21, 2007, 6:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
County Charles Mix County, SD
The radar
The Sioux Falls radar (KFSD), 137 km from the middle of the area, began a volume at 22:48 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 |
|---|---|---|---|
| Aug 21, 5:46 PM CDT | HAIL 2.5 | Wagner, SD | |
| Aug 21, 5:55 PM CDT | HAIL 2.75 | Dante, SD | |
| Aug 21, 6:00 PM CDT | HAIL 4.25 | 1 S Dante, SD | BROKEN WINDOWS IN SPOTTERS CAR. |
| Aug 21, 6:10 PM CDT | HAIL 4.25 | Dante, SD | SPOTTERS REPORT HAIL STONES AS LARGE AS 6 TO 8 INCHES IN DIAMETER IN DANTE. |
| Aug 21, 6:22 PM CDT | HAIL 1 | 16 W Tyndall, SD | WIND GUSTS TO 50 MPH ACCOMPANIED THE HAIL. |
| Aug 21, 6:40 PM CDT | HAIL 0.88 | 5 E Marty, 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 |
|---|---|---|---|
| Aug 21, 3:45 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 10.8 hours before the alert went out and 205 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1893 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- -54 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 KFSD 212246 TORFSD SDC023-212330- /O.NEW.KFSD.TO.W.0041.070821T2246Z-070821T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 546 PM CDT TUE AUG 21 2007 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... EASTERN CHARLES MIX COUNTY IN SOUTH CENTRAL SOUTH DAKOTA * UNTIL 630 PM CDT * AT 546 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR DANTE...OR ABOUT 15 MILES EAST OF PICKSTOWN...MOVING EAST AT 30 MPH. * THE TORNADO WILL REMAIN OVER RURAL AREAS OF THE INDICATED COUNTY. THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR THE WARNED AREA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHEAST NEBRASKA. LAT...LON 4316 9835 4299 9839 4289 9813 4311 9811 $$ BOUSTEAD
3 follow-up statements
000 WWUS53 KFSD 212250 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 550 PM CDT TUE AUG 21 2007 SDC023-212330- /O.CON.KFSD.TO.W.0041.000000T0000Z-070821T2330Z/ CHARLES MIX SD- 550 PM CDT TUE AUG 21 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR EASTERN CHARLES MIX COUNTY... AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR DANTE...OR ABOUT 16 MILES EAST OF PICKSTOWN...MOVING SOUTHEAST AT 30 MPH. HAIL UP TO TENNIS BALLS HAS BEEN REPORTED IN NEAR WAGNER WITH THIS STORM BY LAW ENFORCEMENT. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING. LAT...LON 4316 9835 4299 9839 4289 9813 4311 9811 $$ BOUSTEAD
000 WWUS53 KFSD 212305 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 604 PM CDT TUE AUG 21 2007 SDC023-212330- /O.CON.KFSD.TO.W.0041.000000T0000Z-070821T2330Z/ CHARLES MIX SD- 604 PM CDT TUE AUG 21 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTHEASTERN CHARLES MIX COUNTY... AT 604 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED 4 MILES SOUTHWEST OF DANTE...OR ABOUT 16 MILES EAST OF PICKSTOWN...MOVING SOUTHEAST AT 25 MPH. AT 600 PM CDT SPOTTERS REPORTS SOFTBALL SIZED HAIL 1 MILE SOUTH OF DANTE. IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHEAST NEBRASKA. LAT...LON 4316 9835 4299 9839 4289 9813 4311 9811 $$ LIEBL
000 WWUS53 KFSD 212323 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 622 PM CDT TUE AUG 21 2007 SDC023-212332- /O.EXP.KFSD.TO.W.0041.000000T0000Z-070821T2330Z/ CHARLES MIX SD- 622 PM CDT TUE AUG 21 2007 ...THE TORNADO WARNING FOR SOUTHEASTERN CHARLES MIX COUNTY EXPIRES AT 630 PM CDT... THE STORM HAS EXITED THE COUNTY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHEAST NEBRASKA. LAT...LON 4316 9835 4299 9839 4289 9813 4311 9811 $$ LIEBL
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 3:07 AM CDT | Dense Fog Advisory | FSD | Brookings | 4 hr |
| Aug 21, 5:03 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 57 min |
| Aug 21, 5:40 PM CDT | Severe Thunderstorm Warning | FSD | Douglas | 50 min |
| Aug 21, 5:56 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 64 min |
| Aug 21, 6:02 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 32 min |
| Aug 21, 6:12 PM CDT | Tornado Warning | FSD | Bon Homme | 48 min |
| Aug 21, 6:36 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 39 min |
| Aug 21, 6:56 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 49 min |
Nearby
Tornado Warnings in South Dakota, 2007Every tornado warning in 2007Tornadoes in 2007
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.