Alert archive / South Dakota / Tornado Warnings in 2014
Tornado Warning 49, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Aug 28, 2014, 8:11 PM CDT for Turner County, Yankton County, South Dakota. It was in force for 28 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
- Aug 28, 2014, 8:11 PM CDT (01:11 UTC)
- Expired
- Aug 28, 2014, 8:39 PM CDT
- In force
- 28 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Turner County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 58 km from the middle of the area, began a volume at 01:13 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
Omaha, NE (KOAX), launched 00:00Z, 1.2 hours before the alert went out and 214 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
- 581 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1173 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
414
WFUS53 KFSD 290111
TORFSD
SDC125-135-290200-
/O.NEW.KFSD.TO.W.0049.140829T0111Z-140829T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
811 PM CDT THU AUG 28 2014
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTH CENTRAL TURNER COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
NORTHEASTERN YANKTON COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
* UNTIL 900 PM CDT
* AT 810 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR IRENE...OR 17 MILES SOUTH OF PARKER...
MOVING EAST AT 5 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES.
* THIS DANGEROUS STORM WILL BE NEAR...
VIBORG AROUND 855 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR 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 4310 9720 4319 9723 4322 9713 4322 9706
4314 9703
TIME...MOT...LOC 0110Z 252DEG 6KT 4314 9718
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
CHENARD2 follow-up statements
616
WWUS53 KFSD 290123
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
823 PM CDT THU AUG 28 2014
SDC135-290132-
/O.CAN.KFSD.TO.W.0049.000000T0000Z-140829T0200Z/
YANKTON SD-
823 PM CDT THU AUG 28 2014
...THE TORNADO WARNING FOR NORTHEASTERN YANKTON COUNTY IS
CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4316 9716 4317 9716 4317 9717 4320 9719
4322 9713 4322 9706 4314 9703 4313 9708
4313 9714
TIME...MOT...LOC 0122Z 250DEG 8KT 4316 9713
$$
SDC125-290200-
/O.CON.KFSD.TO.W.0049.000000T0000Z-140829T0200Z/
TURNER SD-
823 PM CDT THU AUG 28 2014
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR SOUTH
CENTRAL TURNER COUNTY...
AT 822 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER VIBORG...OR 16 MILES SOUTH OF PARKER...MOVING EAST
AT 10 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES.
THIS DANGEROUS STORM WILL BE NEAR...
VIBORG AROUND 840 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR 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 4316 9716 4317 9716 4317 9717 4320 9719
4322 9713 4322 9706 4314 9703 4313 9708
4313 9714
TIME...MOT...LOC 0122Z 250DEG 8KT 4316 9713
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
CHENARD370
WWUS53 KFSD 290139
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
839 PM CDT THU AUG 28 2014
SDC125-290148-
/O.CAN.KFSD.TO.W.0049.000000T0000Z-140829T0200Z/
TURNER SD-
839 PM CDT THU AUG 28 2014
...THE TORNADO WARNING FOR SOUTH CENTRAL TURNER COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO. RADAR
CONTINUES TO INDICATE SOME ROTATION WITH THIS STORM...HOWEVER NO
FUNNEL CLOUD OR TORNADO HAS RECENTLY BEEN REPORTED. THEREFORE THE
WARNING WILL BE ALLOWED TO EXPIRE...BUT STAY ALERT FOR ANY FUTURE
WARNINGS.
LAT...LON 4316 9716 4317 9716 4317 9717 4320 9719
4322 9713 4322 9706 4314 9703 4313 9708
4313 9714
TIME...MOT...LOC 0135Z 252DEG 6KT 4317 9710
$$
CHENARDThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 7:15 PM CDT | Tornado Warning | FSD | Yankton | 45 min |
Nearby
Tornado Warnings in South Dakota, 2014Every tornado warning in 2014Tornadoes in 2014
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.