Alert archive / Minnesota / Tornado Warnings in 2012
Tornado Warning 27, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jun 10, 2012, 8:18 PM CDT for 4 counties in Minnesota. It was in force for 42 min. 2 reports 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
- Jun 10, 2012, 8:18 PM CDT (01:18 UTC)
- Expired
- Jun 10, 2012, 9:00 PM CDT
- In force
- 42 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Carver County, MN, Le Sueur County, MN, Scott County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 14 km from the middle of the area, began a volume at 01:18 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 |
|---|---|---|---|
| Jun 10, 8:35 PM CDT | TSTM WND DMG | 5 Ssw Belle Plaine, MN | ROOF BLOWN OFF HOUSE, SHED DOWN, AND A 48 FOOT GRAIN BIN BLOWN INTO A FIELD. |
| Jun 10, 8:51 PM CDT | TSTM WND DMG | 9 W New Prague, MN | 12 INCH DIAMETER TREE 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 |
|---|---|---|---|
| Jun 10, 3:03 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.3 hours before the alert went out and 14 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
- 282 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 2269 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 273 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
650
WFUS53 KMPX 110118
TORMPX
MNC019-079-139-143-110200-
/O.NEW.KMPX.TO.W.0027.120611T0118Z-120611T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
818 PM CDT SUN JUN 10 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN CARVER COUNTY IN EAST CENTRAL MINNESOTA...
NORTH CENTRAL LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
WESTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
EXTREME NORTHEASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
* UNTIL 900 PM CDT
* AT 814 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 6 MILES SOUTHWEST
OF BELLE PLAINE...OR ABOUT 4 MILES EAST OF HENDERSON...AND MOVING
NORTHEAST AT 50 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
BELLE PLAINE...
JORDAN...
CARVER...
MARYSTOWN...
CHASKA...
SHAKOPEE...
CHANHASSEN...
ST BENEDICT...
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.
&&
LAT...LON 4454 9391 4489 9360 4489 9356 4489 9352
4480 9352 4479 9338 4449 9368
TIME...MOT...LOC 0119Z 215DEG 43KT 4459 9377
$$1 follow-up statement
897
WWUS53 KMPX 110157
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
857 PM CDT SUN JUN 10 2012
MNC019-079-139-143-110213-
/O.EXP.KMPX.TO.W.0027.000000T0000Z-120611T0200Z/
CARVER MN-LE SUEUR MN-SCOTT MN-SIBLEY MN-
857 PM CDT SUN JUN 10 2012
...THE TORNADO WARNING FOR SIBLEY...WESTERN SCOTT...NORTH CENTRAL LE
SUEUR AND SOUTHEASTERN CARVER COUNTIES WILL EXPIRE AT 900 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA...HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 4454 9391 4489 9360 4489 9356 4489 9352
4480 9352 4479 9338 4449 9368
TIME...MOT...LOC 0158Z 215DEG 43KT 4497 9339
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 7:07 PM CDT | Special Weather Statement | MPX | Le Sueur, Nicollet, Scott, Sibley | 53 min |
| Jun 10, 7:35 PM CDT | Special Weather Statement | MPX | Anoka, Chisago, Hennepin, Isanti, Kanabec, Ramsey | 55 min |
| Jun 10, 7:35 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Nicollet | 40 min |
| Jun 10, 7:41 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Scott | 49 min |
| Jun 10, 7:54 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Hennepin, Isanti | 36 min |
| Jun 10, 7:55 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Nicollet, Scott, Sibley | 50 min |
| Jun 10, 7:59 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Wright | 46 min |
| Jun 10, 8:29 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Scott, Steele | 45 min |
| Jun 10, 8:32 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Hennepin, Isanti, Ramsey, Washington | 58 min |
| Jun 10, 8:39 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Sibley | 36 min |
| Jun 10, 8:42 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Rice | 63 min |
| Jun 10, 8:48 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Steele, Waseca | 36 min |
| Jun 10, 8:50 PM CDT | Special Weather Statement | MPX | Isanti | 40 min |
| Jun 10, 9:29 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Isanti, Washington | 61 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.