Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 7, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Apr 15, 2012, 3:05 PM CDT for 4 counties in Minnesota. It was in force for 25 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
- Apr 15, 2012, 3:05 PM CDT (20:05 UTC)
- Expired
- Apr 15, 2012, 3:30 PM CDT
- In force
- 25 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Lincoln County, MN, Lyon County, MN, Murray County, MN, Pipestone County, MN
The radar
The Sioux Falls radar (KFSD), 95 km from the middle of the area, began a volume at 20:08 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 |
|---|---|---|---|
| Apr 15, 3:28 PM CDT | HAIL 1 | 5 Ne Tyler, MN | GROUND WAS WHITE WITH HAIL UP TO THE SIZE OF QUARTERS. |
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, 8.1 hours before the alert went out and 193 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 484 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 656 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
818 WUUS53 KFSD 152005 SVRFSD MNC081-083-101-117-152030- /O.NEW.KFSD.SV.W.0007.120415T2005Z-120415T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 305 PM CDT SUN APR 15 2012 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN LINCOLN COUNTY IN SOUTHWEST MINNESOTA... SOUTHWESTERN LYON COUNTY IN SOUTHWEST MINNESOTA... NORTHWESTERN MURRAY COUNTY IN SOUTHWEST MINNESOTA... NORTHEASTERN PIPESTONE COUNTY IN SOUTHWEST MINNESOTA... * UNTIL 330 PM CDT * AT 305 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING WALNUT SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR HOLLAND...OR 10 MILES NORTHEAST OF PIPESTONE...AND MOVING NORTH AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RUTHTON AROUND 310 PM CDT... FLORENCE AROUND 315 PM CDT... TYLER AROUND 320 PM CDT... ARCO AND RUSSELL AROUND 325 PM CDT... CAMDEN STATE PARK AROUND 330 PM CDT... 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 4449 9620 4437 9577 4408 9606 4415 9632 TIME...MOT...LOC 2005Z 197DEG 40KT 4413 9618 WIND...HAIL 60MPH 1.50IN $$ LAFLIN
2 follow-up statements
833 WWUS53 KFSD 152022 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 322 PM CDT SUN APR 15 2012 MNC081-083-101-117-152030- /O.CON.KFSD.SV.W.0007.000000T0000Z-120415T2030Z/ LINCOLN MN-LYON MN-MURRAY MN-PIPESTONE MN- 322 PM CDT SUN APR 15 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN PIPESTONE...NORTHWESTERN MURRAY...SOUTHWESTERN LYON AND SOUTHEASTERN LINCOLN COUNTIES UNTIL 330 PM CDT... AT 322 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR TYLER...OR 20 MILES NORTHEAST OF PIPESTONE...MOVING NORTH AT 40 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... ARCO AND CAMDEN STATE PARK AROUND 330 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 4414 9627 4449 9620 4437 9577 4408 9606 TIME...MOT...LOC 2022Z 196DEG 35KT 4429 9612 WIND...HAIL 60MPH 1.00IN $$ LAFLIN
007 WWUS53 KFSD 152029 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 329 PM CDT SUN APR 15 2012 MNC081-083-101-117-152039- /O.EXP.KFSD.SV.W.0007.000000T0000Z-120415T2030Z/ LINCOLN MN-LYON MN-MURRAY MN-PIPESTONE MN- 329 PM CDT SUN APR 15 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PIPESTONE... NORTHWESTERN MURRAY...SOUTHWESTERN LYON AND SOUTHEASTERN LINCOLN COUNTIES WILL EXPIRE AT 330 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED AREA. LAT...LON 4414 9627 4449 9620 4437 9577 4408 9606 TIME...MOT...LOC 2029Z 197DEG 40KT 4439 9607 $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 2:48 PM CDT | Severe Thunderstorm Warning | FSD | Pipestone | 27 min |
| Apr 15, 3:38 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon | 37 min |
| Apr 15, 3:41 PM CDT | Tornado Warning | FSD | Lyon | 19 min |
| Apr 15, 4:14 PM CDT | Tornado Warning | FSD | Lyon | 16 min |
| Apr 15, 5:10 PM CDT | High Wind Warning | FSD | Lincoln, Pipestone, Rock | 11 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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.