Alert archive / Minnesota / Tornado Warnings in 2012
Tornado Warning 3, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Apr 15, 2012, 5:38 PM CDT for McLeod County, Sibley County, Minnesota. It was in force for 16 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
- Apr 15, 2012, 5:38 PM CDT (22:38 UTC)
- Expired
- Apr 15, 2012, 5:54 PM CDT
- In force
- 16 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties McLeod County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 62 km from the middle of the area, began a volume at 22:38 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 |
|---|---|---|---|
| Apr 15, 3:37 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 60 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
- 502 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
818 WFUS53 KMPX 152238 TORMPX MNC085-143-152315- /O.NEW.KMPX.TO.W.0003.120415T2238Z-120415T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 538 PM CDT SUN APR 15 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTH CENTRAL MCLEOD COUNTY IN CENTRAL MINNESOTA... NORTH CENTRAL SIBLEY COUNTY IN CENTRAL MINNESOTA... * UNTIL 615 PM CDT * AT 534 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 7 MILES SOUTHEAST OF FERNANDO...OR ABOUT 5 MILES NORTH OF WINTHROP...AND MOVING NORTH AT 50 MPH. THIS STORM IS SEPERATE FROM THE OTHER TORNADIC STORM NEAR BISCAY. * LOCATIONS IN THE WARNING INCLUDE... NEW AUBURN... BROWNTON... FERNANDO... SUMTER... PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING FOR SOUTHERN MINNESOTA AND NORTHWESTERN WISCONSIN. && LAT...LON 4476 9442 4476 9415 4463 9420 4464 9447 TIME...MOT...LOC 2238Z 189DEG 45KT 4466 9432 $$ JLT
2 follow-up statements
153 WWUS53 KMPX 152245 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 545 PM CDT SUN APR 15 2012 MNC085-143-152315- /O.CON.KMPX.TO.W.0003.000000T0000Z-120415T2315Z/ MCLEOD MN-SIBLEY MN- 545 PM CDT SUN APR 15 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL SIBLEY AND SOUTH CENTRAL MCLEOD COUNTIES UNTIL 615 PM CDT... AT 543 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR BROWNTON...OR 12 MILES NORTH OF GAYLORD...MOVING NORTH AT 50 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF CENTRAL MCLEOD COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4468 9436 4476 9440 4476 9415 4466 9419 TIME...MOT...LOC 2245Z 189DEG 45KT 4475 9429 $$ JRB
457 WWUS53 KMPX 152254 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 554 PM CDT SUN APR 15 2012 MNC085-143-152309- /O.CAN.KMPX.TO.W.0003.000000T0000Z-120415T2315Z/ MCLEOD MN-SIBLEY MN- 554 PM CDT SUN APR 15 2012 ...THE TORNADO WARNING FOR NORTH CENTRAL SIBLEY AND SOUTH CENTRAL MCLEOD COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT. LAT...LON 4468 9436 4476 9440 4476 9415 4466 9419 TIME...MOT...LOC 2254Z 189DEG 45KT 4486 9426 $$ JRB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 4:02 AM CDT | Wind Advisory | MPX | Blue Earth, Chippewa, Douglas, Faribault, Freeborn, Kandiyohi and 11 more | 33 hr |
| Apr 15, 4:02 AM CDT | Wind Advisory | MPX | Blue Earth, Brown, Faribault, Freeborn, Le Sueur, McLeod and 8 more | 33 hr |
| Apr 15, 12:05 PM CDT | Special Weather Statement | MPX | Benton, Chisago, Douglas, Isanti, Kanabec, Mille Lacs and 6 more | 55 min |
| Apr 15, 3:28 PM CDT | Special Weather Statement | MPX | Chippewa, Lac qui Parle, Yellow Medicine | 62 min |
| Apr 15, 4:19 PM CDT | Special Weather Statement | MPX | Brown | 41 min |
| Apr 15, 4:20 PM CDT | Special Weather Statement | MPX | Chippewa, Yellow Medicine | 40 min |
| Apr 15, 4:52 PM CDT | Tornado Warning | MPX | Renville, Sibley | 26 min |
| Apr 15, 4:54 PM CDT | Special Weather Statement | MPX | Nicollet | 36 min |
| Apr 15, 5:23 PM CDT | Special Weather Statement | MPX | Blue Earth, Le Sueur | 52 min |
| Apr 15, 5:23 PM CDT | Tornado Warning | MPX | McLeod, Sibley | 37 min |
| Apr 15, 5:43 PM CDT | Tornado Warning | MPX | Carver, McLeod, Wright | 32 min |
| Apr 15, 5:44 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 21 min |
| Apr 15, 6:30 PM CDT | Special Weather Statement | MPX | Hennepin | 30 min |
| Apr 15, 6:59 PM CDT | Special Weather Statement | MPX | Anoka, Ramsey, Washington | 31 min |
Nearby
Tornado Warnings in Minnesota, 2012Every tornado warning in 2012Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.