Alert archive / South Dakota / Tornado Warnings in 2010
Tornado Warning 41, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jul 6, 2010, 8:05 PM CDT for Aurora County, Brule County, South Dakota. It was in force for 30 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
- Jul 6, 2010, 8:05 PM CDT (01:05 UTC)
- Expired
- Jul 6, 2010, 8:35 PM CDT
- In force
- 30 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
Counties Aurora County, SD, Brule County, SD
The radar
The Sioux Falls radar (KFSD), 171 km from the middle of the area, began a volume at 01:05 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 |
|---|---|---|---|
| Jul 6, 8:23 PM CDT | HAIL 1.75 | 5 E Kimball, SD | PEA TO QUARTER SIZED HAIL COVERING THE GROUND, WITH A FEW GOLF BALL SIZE. |
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 |
|---|---|---|---|
| Jul 6, 2:23 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 1.1 hours before the alert went out and 136 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
- 1773 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 441 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
033 WFUS53 KFSD 070105 TORFSD SDC003-015-070145- /O.NEW.KFSD.TO.W.0041.100707T0105Z-100707T0145Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 805 PM CDT TUE JUL 6 2010 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... WEST CENTRAL AURORA COUNTY IN SOUTHEAST SOUTH DAKOTA... EAST CENTRAL BRULE COUNTY IN SOUTH CENTRAL SOUTH DAKOTA... * UNTIL 845 PM CDT * AT 805 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR KIMBALL...AND MOVING EAST AT 15 MPH. * THIS TORNADIC STORM WILL AFFECT MAINLY RURAL AREAS OF EAST CENTRAL BRULE AND WEST CENTRAL AURORA COUNTIES. 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 4378 9876 4364 9877 4369 9899 4373 9898 TIME...MOT...LOC 0105Z 259DEG 13KT 4372 9893 $$ LIEBL
2 follow-up statements
157 WWUS53 KFSD 070126 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 826 PM CDT TUE JUL 6 2010 SDC003-015-070145- /O.CON.KFSD.TO.W.0041.000000T0000Z-100707T0145Z/ AURORA SD-BRULE SD- 826 PM CDT TUE JUL 6 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL BRULE AND WEST CENTRAL AURORA COUNTIES UNTIL 845 PM CDT... AT 827 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES EAST OF KIMBALL...MOVING EAST AT 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4370 9890 4374 9892 4378 9876 4364 9877 TIME...MOT...LOC 0127Z 259DEG 13KT 4374 9882 $$ LIEBL
881 WWUS53 KFSD 070135 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 835 PM CDT TUE JUL 6 2010 SDC003-015-070145- /O.CAN.KFSD.TO.W.0041.000000T0000Z-100707T0145Z/ AURORA SD-BRULE SD- 835 PM CDT TUE JUL 6 2010 ...THE TORNADO WARNING FOR EAST CENTRAL BRULE AND WEST CENTRAL AURORA COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT. LAT...LON 4370 9890 4374 9892 4378 9876 4364 9877 TIME...MOT...LOC 0135Z 259DEG 13KT 4375 9878 $$ LIEBL
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 7:13 PM CDT | Tornado Warning | FSD | Aurora, Davison, Douglas | 47 min |
| Jul 6, 7:30 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 45 min |
| Jul 6, 7:55 PM CDT | Tornado Warning | FSD | Aurora, Davison, Douglas, Hanson, Hutchinson | 26 min |
| Jul 6, 8:10 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 30 min |
| Jul 6, 9:02 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 28 min |
| Jul 6, 9:38 PM CDT | Flash Flood Warning | FSD | Aurora, Brule | 3 hr |
| Jul 6, 11:17 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 43 min |
| Jul 7, 12:23 AM CDT | Areal Flood Warning | FSD | Aurora, Beadle, Brookings, Davison, Hanson, Jerauld and 5 more | 3 hr |
| Jul 7, 12:38 AM CDT | Severe Thunderstorm Warning | FSD | Brookings | 37 min |
| Jul 7, 1:12 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Moody | 33 min |
| Jul 7, 1:41 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Moody | 34 min |
| Jul 7, 7:16 AM CDT | River Flood Warning | FSD | Brookings | 6 days |
| Jul 7, 9:54 AM CDT | River Flood Warning | FSD | Brookings, Moody | 49 hr |
Nearby
Tornado Warnings in South Dakota, 2010Every tornado warning in 2010Tornadoes in 2010
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.