Alert archive / Minnesota / Tornado Warnings in 2012
Tornado Warning 4, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Apr 15, 2012, 5:43 PM CDT for Carver County, McLeod County, Wright County, Minnesota. It was in force for 32 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, 5:43 PM CDT (22:43 UTC)
- Expired
- Apr 15, 2012, 6:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Carver County, MN, McLeod County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 38 km from the middle of the area, began a volume at 22:43 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, 5:50 PM CDT | HAIL 1 | Glencoe, MN | HAIL ON THE NORTHWEST SIDE OF THE CITY |
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 |
|---|---|---|---|
| Apr 15, 3:37 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 35 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.
313 WFUS53 KMPX 152243 TORMPX MNC019-085-171-152315- /O.NEW.KMPX.TO.W.0004.120415T2243Z-120415T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 543 PM CDT SUN APR 15 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... WESTERN CARVER COUNTY IN EAST CENTRAL MINNESOTA... EASTERN MCLEOD COUNTY IN CENTRAL MINNESOTA... SOUTH CENTRAL WRIGHT COUNTY IN CENTRAL MINNESOTA... * UNTIL 615 PM CDT * AT 538 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR PLATO...OR OVER PLATO...AND MOVING NORTH AT 45 MPH. * LOCATIONS IN THE WARNING INCLUDE... PLATO... NORWOOD/YOUNG AMERICA... HAMBURG... GLENCOE... LESTER PRAIRIE... NEW GERMANY... MAYER... WINSTED... 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 4504 9413 4504 9383 4472 9391 4472 9417 TIME...MOT...LOC 2243Z 186DEG 41KT 4481 9403 $$ JLT
3 follow-up statements
744 WWUS53 KMPX 152253 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 553 PM CDT SUN APR 15 2012 MNC019-085-171-152315- /O.CON.KMPX.TO.W.0004.000000T0000Z-120415T2315Z/ CARVER MN-MCLEOD MN-WRIGHT MN- 553 PM CDT SUN APR 15 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL WRIGHT... NORTHEASTERN MCLEOD AND NORTHWESTERN CARVER COUNTIES UNTIL 615 PM CDT... AT 547 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A ROTATING WALL CLOUD. THIS STORM WAS LOCATED NEAR LESTER PRAIRIE...OR 18 MILES EAST OF HUTCHINSON...MOVING NORTH AT 45 MPH. LOCATIONS IMPACTED INCLUDE... WINSTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPEAT...DOPPLAR RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4484 9391 4475 9417 4504 9413 4504 9383 TIME...MOT...LOC 2253Z 186DEG 41KT 4492 9401 $$ JRB
783 WWUS53 KMPX 152302 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 602 PM CDT SUN APR 15 2012 MNC085-152317- /O.CAN.KMPX.TO.W.0004.000000T0000Z-120415T2315Z/ MCLEOD MN- 602 PM CDT SUN APR 15 2012 ...THE TORNADO WARNING FOR NORTHEASTERN MCLEOD COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4485 9400 4503 9401 4504 9383 4484 9391 TIME...MOT...LOC 2302Z 187DEG 39KT 4496 9398 $$ MNC019-171-152315- /O.CON.KMPX.TO.W.0004.000000T0000Z-120415T2315Z/ CARVER MN-WRIGHT MN- 602 PM CDT SUN APR 15 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL WRIGHT AND NORTHWESTERN CARVER COUNTIES UNTIL 615 PM CDT... AT 601 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR WINSTED...OR 16 MILES SOUTH OF BUFFALO...MOVING NORTH AT 45 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF EXTREME NORTHWESTERN CARVER AND SOUTHERN WRIGHT COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4485 9400 4503 9401 4504 9383 4484 9391 TIME...MOT...LOC 2302Z 187DEG 39KT 4496 9398 $$ JRB
683 WWUS53 KMPX 152309 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 609 PM CDT SUN APR 15 2012 MNC019-171-152323- /O.EXP.KMPX.TO.W.0004.000000T0000Z-120415T2315Z/ CARVER MN-WRIGHT MN- 609 PM CDT SUN APR 15 2012 ...THE TORNADO WARNING FOR SOUTH CENTRAL WRIGHT AND NORTHWESTERN CARVER COUNTIES WILL EXPIRE AT 615 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT. LAT...LON 4485 9400 4503 9401 4504 9383 4484 9391 TIME...MOT...LOC 2308Z 187DEG 39KT 4502 9396 $$ 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, 5:38 PM CDT | Tornado Warning | MPX | McLeod, Sibley | 16 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.