Alert archive / South Dakota / Tornado Warnings in 2015
Tornado Warning 13, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 6, 2015, 8:30 PM CDT for Clay County, Turner County, Yankton County, South Dakota. It was in force for 13 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
- Jun 6, 2015, 8:30 PM CDT (01:30 UTC)
- Expired
- Jun 6, 2015, 8:43 PM CDT
- In force
- 13 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Clay County, SD, Turner County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 63 km from the middle of the area, began a volume at 01:33 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 6, 3:40 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.5 hours before the alert went out and 207 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
- 1554 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1214 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 388 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 13.1
The text
As transmitted, in the capitals the NWS used until 2016.
744
WFUS53 KFSD 070130
TORFSD
SDC027-125-135-070200-
/O.NEW.KFSD.TO.W.0013.150607T0130Z-150607T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
830 PM CDT SAT JUN 6 2015
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN TURNER COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
NORTHEASTERN YANKTON COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
NORTHWESTERN CLAY COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
* UNTIL 900 PM CDT
* AT 830 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED OVER IRENE...OR 17 MILES NORTHEAST OF
YANKTON...MOVING EAST AT 20 MPH.
HAZARD...TORNADO.
SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE
DAMAGE IS LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
VIBORG AROUND 840 PM CDT.
CENTERVILLE AROUND 900 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.
&&
LAT...LON 4306 9725 4315 9726 4320 9692 4302 9692
TIME...MOT...LOC 0130Z 272DEG 19KT 4309 9717
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
HANKO1 follow-up statement
723
WWUS53 KFSD 070143
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
843 PM CDT SAT JUN 6 2015
SDC027-125-135-070152-
/O.CAN.KFSD.TO.W.0013.000000T0000Z-150607T0200Z/
TURNER SD-YANKTON SD-CLAY SD-
843 PM CDT SAT JUN 6 2015
...THE TORNADO WARNING FOR SOUTHEASTERN TURNER...NORTHEASTERN YANKTON
AND NORTHWESTERN CLAY COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER SMALL HAIL IS
STILL POSSIBLE WITH THIS THUNDERSTORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR SOUTHEASTERN
SOUTH DAKOTA.
LAT...LON 4306 9725 4315 9726 4320 9692 4302 9692
TIME...MOT...LOC 0140Z 272DEG 19KT 4309 9708
$$
HANKOThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 7:02 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 24 min |
| Jun 6, 7:31 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 44 min |
| Jun 6, 7:44 PM CDT | Tornado Warning | FSD | Clay | 31 min |
| Jun 6, 8:22 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 38 min |
| Jun 6, 9:23 PM CDT | Flash Flood Warning | FSD | Lake, Moody | 3 hr |
| Jun 6, 10:11 PM CDT | Flash Flood Warning | FSD | Union | 3 hr |
| Jun 7, 10:47 AM CDT | River Flood Warning | FSD | Minnehaha, Moody | 40 hr |
| Jun 7, 4:08 PM CDT | Flash Flood Warning | FSD | Beadle | 3 hr |
| Jun 7, 4:34 PM CDT | Tornado Warning | FSD | Miner | 12 min |
| Jun 7, 4:52 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook, Miner | 23 min |
Nearby
Tornado Warnings in South Dakota, 2015Every tornado warning in 2015Tornadoes in 2015
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.