Alert archive / South Dakota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 201, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 13, 2017, 3:54 PM CDT for Charles Mix County, Douglas County, Hutchinson County, South Dakota. It was in force for 51 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
- Aug 13, 2017, 3:54 PM CDT (20:54 UTC)
- Expired
- Aug 13, 2017, 4:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Charles Mix County, SD, Douglas County, SD, Hutchinson County, SD
The radar
The Sioux Falls radar (KFSD), 126 km from the middle of the area, began a volume at 20:56 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 |
|---|---|---|---|
| Aug 13, 4:08 PM CDT | HAIL 1 | 4 Wsw Delmont, SD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 8.9 hours before the alert went out and 191 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
- 308 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 693 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
909
WUUS53 KFSD 132054
SVRFSD
SDC023-043-067-132145-
/O.NEW.KFSD.SV.W.0201.170813T2054Z-170813T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
354 PM CDT SUN AUG 13 2017
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
East central Charles Mix County in south central South Dakota...
Southeastern Douglas County in south central South Dakota...
Southwestern Hutchinson County in southeastern South Dakota...
* Until 445 PM CDT
* At 353 PM CDT, a severe thunderstorm was located over Armour, or 13
miles northeast of Lake Andes, moving east at 15 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Public. At 351 pm CDT quarter sized hail was reported one
mile southwest of Armour.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near,
Delmont around 430 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4336 9843 4328 9801 4317 9807 4317 9808
4315 9809 4312 9809 4310 9811 4309 9811
4305 9813 4326 9850
TIME...MOT...LOC 2053Z 284DEG 12KT 4329 9834
HAIL...1.50IN
WIND...60MPH
$$
Hanko3 follow-up statements
266
WWUS53 KFSD 132104
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
404 PM CDT SUN AUG 13 2017
SDC023-043-067-132145-
/O.CON.KFSD.SV.W.0201.000000T0000Z-170813T2145Z/
Charles Mix SD-Douglas SD-Hutchinson SD-
404 PM CDT SUN AUG 13 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR EAST CENTRAL CHARLES MIX...SOUTHEASTERN DOUGLAS AND SOUTHWESTERN
HUTCHINSON COUNTIES...
At 403 PM CDT, a severe thunderstorm was located near Armour, or 14
miles northeast of Lake Andes, moving east at 15 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Public.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
This severe storm will be near...
Delmont around 420 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4333 9833 4328 9801 4317 9807 4317 9808
4315 9809 4312 9809 4310 9811 4309 9811
4305 9813 4323 9841
TIME...MOT...LOC 2103Z 285DEG 15KT 4325 9828
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
Hanko795
WWUS53 KFSD 132113
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
413 PM CDT SUN AUG 13 2017
SDC023-043-067-132145-
/O.CON.KFSD.SV.W.0201.000000T0000Z-170813T2145Z/
Charles Mix SD-Douglas SD-Hutchinson SD-
413 PM CDT SUN AUG 13 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR EAST CENTRAL CHARLES MIX...SOUTHEASTERN DOUGLAS AND SOUTHWESTERN
HUTCHINSON COUNTIES...
At 413 PM CDT, a severe thunderstorm was located near Delmont, or 16
miles east of Lake Andes, moving east at 15 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Public. At 408 PM CDT quarter sized hail was reported
7 miles southeast of Armour.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
This severe storm will be near...
Delmont around 425 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4333 9833 4328 9801 4317 9807 4317 9808
4315 9809 4312 9809 4310 9811 4309 9811
4305 9813 4323 9841
TIME...MOT...LOC 2113Z 284DEG 12KT 4324 9823
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
Hanko384
WWUS53 KFSD 132130
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
430 PM CDT SUN AUG 13 2017
SDC023-043-067-132145-
/O.CON.KFSD.SV.W.0201.000000T0000Z-170813T2145Z/
Charles Mix SD-Douglas SD-Hutchinson SD-
430 PM CDT SUN AUG 13 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR EAST CENTRAL CHARLES MIX...SOUTHEASTERN DOUGLAS AND SOUTHWESTERN
HUTCHINSON COUNTIES...
At 430 PM CDT, a severe thunderstorm was located over Delmont, or 14
miles southwest of Parkston, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
this severe thunderstorm will remain over mainly rural areas of east
central Charles Mix...southeastern Douglas and southwestern
Hutchinson Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4328 9821 4326 9802 4317 9807 4317 9808
4315 9809 4312 9809 4310 9811 4309 9811
4305 9813 4323 9841
TIME...MOT...LOC 2130Z 284DEG 12KT 4323 9815
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
HankoThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 3:16 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas | 44 min |
| Aug 13, 4:20 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 25 min |
| Aug 13, 4:24 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Hutchinson, McCook, Turner | 36 min |
| Aug 13, 4:39 PM CDT | Tornado Warning | FSD | Bon Homme, Charles Mix | 36 min |
| Aug 13, 5:15 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 30 min |
| Aug 13, 5:40 PM CDT | Tornado Warning | FSD | Bon Homme, Charles Mix | 35 min |
| Aug 13, 5:42 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 33 min |
| Aug 13, 5:52 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 23 min |
| Aug 13, 6:39 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 21 min |
| Aug 13, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 31 min |
| Aug 13, 6:58 PM CDT | Tornado Warning | FSD | McCook | 17 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2017Every severe thunderstorm warning in 2017
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.