Alert archive / Minnesota / Tornado Warnings in 2011
Tornado Warning 34, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 20, 2011, 11:15 PM CDT for Murray County, Pipestone County, Rock County, Minnesota. It was in force for 30 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 20, 2011, 11:15 PM CDT (04:15 UTC)
- Expired
- Jun 20, 2011, 11:45 PM CDT
- In force
- 30 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
Counties Murray County, MN, Pipestone County, MN, Rock County, MN
The radar
The Sioux Falls radar (KFSD), 57 km from the middle of the area, began a volume at 04:15 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 20, 6:53 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 4.3 hours before the alert went out and 205 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
- 4 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 643 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
628 WFUS53 KFSD 210415 TORFSD MNC101-117-133-210445- /O.NEW.KFSD.TO.W.0034.110621T0415Z-110621T0445Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1115 PM CDT MON JUN 20 2011 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN MURRAY COUNTY IN SOUTHWEST MINNESOTA... SOUTHEASTERN PIPESTONE COUNTY IN SOUTHWEST MINNESOTA... NORTHEASTERN ROCK COUNTY IN SOUTHWEST MINNESOTA... * UNTIL 1145 PM CDT * AT 1116 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR HARDWICK...OR 11 MILES NORTH OF LUVERNE...AND MOVING NORTH AT 30 MPH. * THIS TORNADIC STORM WILL BE NEAR... EDGERTON AROUND 1125 PM CDT... WOODSTOCK AROUND 1140 PM CDT... OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE HATFIELD. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4406 9630 4402 9599 4374 9612 4379 9631 TIME...MOT...LOC 0416Z 199DEG 25KT 4384 9621 $$ LIEBL
2 follow-up statements
418 WWUS53 KFSD 210434 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1134 PM CDT MON JUN 20 2011 MNC133-210444- /O.CAN.KFSD.TO.W.0034.000000T0000Z-110621T0445Z/ ROCK MN- 1134 PM CDT MON JUN 20 2011 ...THE TORNADO WARNING FOR NORTHEASTERN ROCK COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4394 9630 4406 9630 4402 9599 4388 9606 TIME...MOT...LOC 0434Z 180DEG 38KT 4404 9621 $$ MNC101-117-210445- /O.CON.KFSD.TO.W.0034.000000T0000Z-110621T0445Z/ MURRAY MN-PIPESTONE MN- 1134 PM CDT MON JUN 20 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL PIPESTONE AND WEST CENTRAL MURRAY COUNTIES UNTIL 1145 PM CDT... AT 1134 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 5 MILES EAST OF PIPESTONE...MOVING NORTH AT 45 MPH. THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF CENTRAL PIPESTONE AND WEST CENTRAL MURRAY COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4394 9630 4406 9630 4402 9599 4388 9606 TIME...MOT...LOC 0434Z 180DEG 38KT 4404 9621 $$ LIEBL
625 WWUS53 KFSD 210438 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1138 PM CDT MON JUN 20 2011 MNC101-117-210448- /O.EXP.KFSD.TO.W.0034.000000T0000Z-110621T0445Z/ MURRAY MN-PIPESTONE MN- 1138 PM CDT MON JUN 20 2011 ...THE TORNADO WARNING FOR CENTRAL PIPESTONE AND WEST CENTRAL MURRAY COUNTIES WILL EXPIRE AT 1145 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY...HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4394 9630 4406 9630 4402 9599 4388 9606 TIME...MOT...LOC 0438Z 180DEG 38KT 4408 9621 $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 10:38 PM CDT | Tornado Warning | FSD | Jackson, Nobles | 37 min |
| Jun 20, 10:46 PM CDT | Severe Thunderstorm Warning | FSD | Jackson, Nobles, Rock | 29 min |
| Jun 20, 11:00 PM CDT | Tornado Warning | FSD | Pipestone, Rock | 30 min |
| Jun 20, 11:13 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson, Murray, Nobles, Pipestone, Rock | 47 min |
| Jun 21, 12:55 AM CDT | River Flood Warning | FSD | Jackson | 12 days |
| Jun 21, 2:06 PM CDT | River Flood Warning | FSD | Cottonwood, Jackson | 12 days |
Nearby
Tornado Warnings in Minnesota, 2011Every tornado warning in 2011Tornadoes in 2011
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.