Alert archive / South Dakota / Tornado Warnings in 2006
Tornado Warning 16, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jul 25, 2006, 7:21 PM CDT for Sanborn County, South Dakota. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 25, 2006, 7:21 PM CDT (00:21 UTC)
- Expired
- Jul 25, 2006, 7:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
County Sanborn County, SD
The radar
The Sioux Falls radar (KFSD), 132 km from the middle of the area, began a volume at 00:22 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.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 0.4 hours before the alert went out and 86 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
- 682 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 1886 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFSD 260021 TORFSD SDC111-260045- /O.NEW.KFSD.TO.W.0016.060726T0021Z-060726T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 721 PM CDT TUE JUL 25 2006 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... SANBORN COUNTY IN EAST CENTRAL SOUTH DAKOTA * UNTIL 745 PM CDT * AT 721 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER SANBORN COUNTY...OR ABOUT 14 MILES SOUTH OF HURON...MOVING SOUTHEAST AT 25 MPH. * THE TORNADO WILL BE NEAR... RURAL SANBORN COUNTY THROUGH 745 PM CDT THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE COVER NOW. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR SOUTHWEST MINNESOTA AND EAST CENTRAL SOUTH DAKOTA. LAT...LON 4420 9826 4415 9833 4403 9807 4412 9802 $$ CPJ
2 follow-up statements
000 WWUS53 KFSD 260029 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 729 PM CDT TUE JUL 25 2006 SDC111-260045- /O.CON.KFSD.TO.W.0016.000000T0000Z-060726T0045Z/ SANBORN SD- 729 PM CDT TUE JUL 25 2006 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR SANBORN COUNTY... AT 729 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED ABOUT 15 MILES SOUTH OF HURON...MOVING SOUTHEAST AT 15 MPH. THE TORNADO WILL BE NEAR... RURAL SANBORN COUNTY THROUGH 745 PM CDT A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW. ABANDON MOBILE HOMES AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR SOUTHWEST MINNESOTA AND EAST CENTRAL SOUTH DAKOTA. LAT...LON 4419 9827 4415 9831 4405 9820 4411 9813 $$ CPJ
000 WWUS53 KFSD 260042 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 742 PM CDT TUE JUL 25 2006 SDC111-260052- /O.EXP.KFSD.TO.W.0016.000000T0000Z-060726T0045Z/ SANBORN SD- 742 PM CDT TUE JUL 25 2006 ...THE TORNADO WARNING FOR SANBORN COUNTY EXPIRES AT 745 PM CDT... THE STORM IS NO LONGER SEVERE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR SOUTHWEST MINNESOTA AND EAST CENTRAL SOUTH DAKOTA. LAT...LON 4419 9827 4415 9831 4405 9820 4411 9813 $$ CPJ
Nearby
Tornado Warnings in South Dakota, 2006Every tornado warning in 2006Tornadoes in 2006
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.