Alert archive / South Dakota / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 113, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 25, 2015, 9:24 PM CDT for 4 counties in South Dakota. It was in force for 36 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, 2015, 9:24 PM CDT (02:24 UTC)
- Expired
- Jul 25, 2015, 10:00 PM CDT
- In force
- 36 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Brookings County, SD, Kingsbury County, SD, Lake County, SD, Miner County, SD
The radar
The Sioux Falls radar (KFSD), 87 km from the middle of the area, began a volume at 02:26 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 |
|---|---|---|---|
| Jul 25, 4:03 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.4 hours before the alert went out and 267 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
- 907 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1251 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.5
The text
As transmitted, in the capitals the NWS used until 2016.
939
WUUS53 KFSD 260224
SVRFSD
SDC011-077-079-097-260300-
/O.NEW.KFSD.SV.W.0113.150726T0224Z-150726T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
924 PM CDT SAT JUL 25 2015
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BROOKINGS COUNTY IN EAST CENTRAL SOUTH DAKOTA...
SOUTHEASTERN KINGSBURY COUNTY IN EAST CENTRAL SOUTH DAKOTA...
NORTHWESTERN LAKE COUNTY IN EAST CENTRAL SOUTH DAKOTA...
NORTHEASTERN MINER COUNTY IN EAST CENTRAL SOUTH DAKOTA...
* UNTIL 1000 PM CDT
* AT 924 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR LAKE THOMPSON STATE RECREATION AREA TO NEAR
WHITE...MOVING SOUTHEAST AT 20 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WHITE AROUND 935 PM CDT.
RAMONA AROUND 1000 PM CDT.
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
BUSHNELL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR EAST CENTRAL
SOUTH DAKOTA.
LAT...LON 4435 9649 4409 9727 4426 9757 4455 9684
4454 9675
TIME...MOT...LOC 0224Z 292DEG 18KT 4424 9746 4447 9672
HAIL...<.75IN
WIND...60MPH
$$
JM1 follow-up statement
799
WWUS53 KFSD 260255
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
955 PM CDT SAT JUL 25 2015
SDC011-077-079-097-260305-
/O.EXP.KFSD.SV.W.0113.000000T0000Z-150726T0300Z/
BROOKINGS SD-KINGSBURY SD-LAKE SD-MINER SD-
955 PM CDT SAT JUL 25 2015
...THE SEVERE THUNDERSTORM WARNING FOR BROOKINGS...SOUTHEASTERN
KINGSBURY...NORTHWESTERN LAKE AND NORTHEASTERN MINER COUNTIES WILL
EXPIRE AT 1000 PM CDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR EAST CENTRAL
SOUTH DAKOTA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR
EAST CENTRAL SOUTH DAKOTA.
LAT...LON 4435 9649 4409 9727 4426 9757 4455 9684
4454 9675
TIME...MOT...LOC 0251Z 292DEG 18KT 4424 9746 4447 9672
$$
JMThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 8:14 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld, Kingsbury, Sanborn | 46 min |
| Jul 25, 8:25 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Beadle, Brule, Jerauld | 50 min |
| Jul 25, 8:47 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Brookings, Kingsbury | 43 min |
| Jul 25, 9:13 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Jerauld | 47 min |
| Jul 25, 9:17 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury, Lake, Miner | 43 min |
| Jul 25, 9:43 PM CDT | Tornado Warning | FSD | Lake | 19 min |
| Jul 25, 10:13 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Davison, Douglas | 32 min |
| Jul 25, 10:43 PM CDT | Severe Thunderstorm Warning | FSD | Douglas, Hutchinson | 47 min |
| Jul 25, 11:05 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Hutchinson | 40 min |
| Jul 25, 11:47 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 17 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2015Every severe thunderstorm warning 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.