Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 191, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 3, 2012, 8:23 PM CDT for Minnehaha County, Moody County, South Dakota; Lincoln County, Pipestone County, Rock County, Minnesota. It was in force for 52 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 3, 2012, 8:23 PM CDT (01:23 UTC)
- Expired
- Aug 3, 2012, 9:15 PM CDT
- In force
- 52 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 80.0 mph
Counties Lincoln County, MN, Pipestone County, MN, Rock County, MN, Minnehaha County, SD, Moody County, SD
The radar
The Sioux Falls radar (KFSD), 51 km from the middle of the area, began a volume at 01:26 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 3, 8:30 PM CDT | TSTM WND GST 65 | 1 N Colton, SD | TREES AND LARGE BRANCHES DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 3, 7:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 1.4 hours before the alert went out and 182 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
- 496 J/kg
- Mixed-layer CIN
- -320 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
047
WUUS53 KFSD 040123
SVRFSD
MNC081-117-133-SDC099-101-040215-
/O.NEW.KFSD.SV.W.0191.120804T0123Z-120804T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
823 PM CDT FRI AUG 3 2012
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EXTREME SOUTHERN LINCOLN COUNTY IN SOUTHWEST MINNESOTA...
PIPESTONE COUNTY IN SOUTHWEST MINNESOTA...
NORTHERN ROCK COUNTY IN SOUTHWEST MINNESOTA...
NORTHEASTERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA...
MOODY COUNTY IN EAST CENTRAL SOUTH DAKOTA...
* UNTIL 915 PM CDT
* AT 824 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 80 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM FLANDREAU TO COLTON...AND MOVING EAST
AT 40 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WARD AND EGAN AROUND 830 PM CDT...
TRENT AROUND 835 PM CDT...
DELL RAPIDS AND BALTIC AROUND 840 PM CDT...
PIPESTONE NATIONAL MONUMENT AND PIPESTONE AROUND 845 PM CDT...
HOLLAND AROUND 850 PM CDT...
RUTHTON...JASPER AND SHERMAN AROUND 855 PM CDT...
WOODSTOCK...TROSKY AND GARRETSON AROUND 900 PM CDT...
EDGERTON AROUND 905 PM CDT...
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE IHLEN
AND HATFIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WIND. THIS IS AN
EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4422 9608 4420 9608 4419 9606 4362 9609
4381 9700 4385 9696 4385 9689 4394 9689
4419 9665
TIME...MOT...LOC 0124Z 288DEG 37KT 4409 9659 4383 9697
WIND...HAIL 80MPH <1.00IN
$$
WEISSER2 follow-up statements
416
WWUS53 KFSD 040150
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
850 PM CDT FRI AUG 3 2012
MNC081-040200-
/O.CAN.KFSD.SV.W.0191.000000T0000Z-120804T0215Z/
LINCOLN MN-
850 PM CDT FRI AUG 3 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHERN LINCOLN
COUNTY IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4419 9606 4362 9609 4373 9665 4380 9695
4390 9675 4408 9633 4420 9611
TIME...MOT...LOC 0150Z 288DEG 37KT 4410 9607 4388 9642
4378 9670
$$
MNC117-133-SDC099-101-040215-
/O.CON.KFSD.SV.W.0191.000000T0000Z-120804T0215Z/
PIPESTONE MN-ROCK MN-MOODY SD-MINNEHAHA SD-
850 PM CDT FRI AUG 3 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
MINNEHAHA...SOUTHEASTERN MOODY...NORTHERN ROCK AND PIPESTONE COUNTIES
UNTIL 915 PM CDT...
AT 850 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM HOLLAND TO 5 MILES NORTHWEST OF JASPER TO BALTIC...MOVING EAST
AT 45 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
WOODSTOCK AND JASPER AROUND 855 PM CDT...
TROSKY AROUND 900 PM CDT...
EDGERTON...SHERMAN AND GARRETSON AROUND 905 PM CDT...
BLUE MOUNDS STATE PARK...LUVERNE AND HARDWICK AROUND 915 PM CDT...
OTHER LOCATIONS IMPACTED BY THIS LINE OF SEVERE THUNDERSTORMS INCLUDE
HATFIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4419 9606 4362 9609 4373 9665 4380 9695
4390 9675 4408 9633 4420 9611
TIME...MOT...LOC 0150Z 288DEG 37KT 4410 9607 4388 9642
4378 9670
WIND...HAIL 60MPH <1.00IN
$$
HANKO541
WWUS53 KFSD 040210
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
910 PM CDT FRI AUG 3 2012
MNC117-133-SDC099-101-040220-
/O.EXP.KFSD.SV.W.0191.000000T0000Z-120804T0215Z/
PIPESTONE MN-ROCK MN-MOODY SD-MINNEHAHA SD-
910 PM CDT FRI AUG 3 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MINNEHAHA...
SOUTHEASTERN MOODY...NORTHERN ROCK AND PIPESTONE COUNTIES WILL EXPIRE
AT 915 PM CDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED
OUT OF THE WARNED AREA...HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH
THESE THUNDERSTORMS.
LAT...LON 4419 9606 4362 9609 4373 9665 4380 9695
4390 9675 4408 9633 4420 9611
TIME...MOT...LOC 0210Z 288DEG 37KT 4403 9580 4382 9615
4372 9643
$$
HANKOThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 7:10 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Beadle, Davison, Jerauld, Kingsbury, Sanborn | 50 min |
| Aug 3, 7:23 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Kingsbury, Lake, Miner, Sanborn | 52 min |
| Aug 3, 7:46 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Davison, Hanson, Kingsbury, Lake, McCook and 2 more | 44 min |
| Aug 3, 8:20 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 25 min |
| Aug 3, 10:43 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 32 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Severe Thunderstorm Warnings in South Dakota, 2012Every severe thunderstorm warning in 2012
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.