Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 139, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 2012, 8:42 PM CDT for Dakota County, Rice County, Minnesota. It was in force for 63 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
- Jun 10, 2012, 8:42 PM CDT (01:42 UTC)
- Expired
- Jun 10, 2012, 9:45 PM CDT
- In force
- 63 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Dakota County, MN, Rice County, MN
The radar
The Minneapolis radar (KMPX), 38 km from the middle of the area, began a volume at 01:46 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, 9:00 PM CDT | TSTM WND DMG | Lakeville, MN | SCATTERED TREES DOWN ACROSS WESTERN DAKOTA COUNTY, INCLUDING THE CITIES OF LAKEVILLE, BURNSVILLE, AND FARMINGTON. |
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, 1.7 hours before the alert went out and 39 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.
391
WUUS53 KMPX 110142
SVRMPX
MNC037-131-110245-
/O.NEW.KMPX.SV.W.0139.120611T0142Z-120611T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
842 PM CDT SUN JUN 10 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
WESTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
* UNTIL 945 PM CDT
* AT 837 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR
KILKENNY...OR ABOUT 11 MILES WEST OF FARIBAULT...AND MOVING
NORTHEAST AT 45 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE
DAMAGING WINDS.
LOCATIONS IN THE WARNING INCLUDE...
LONSDALE...
VESELI...
DUNDAS...
WEBSTER...
NORTHFIELD...
CASTLE ROCK...
LAKEVILLE...
RANDOLPH...
FARMINGTON...
BURNSVILLE...
HAMPTON...
APPLE VALLEY...
COATES...
VERMILLION...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL. SEEK SHELTER NOW INSIDE
A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4422 9352 4454 9352 4453 9330 4454 9328
4463 9328 4464 9330 4477 9331 4490 9314
4489 9303 4477 9301 4474 9282 4432 9330
TIME...MOT...LOC 0142Z 222DEG 38KT 4438 9344
WIND...HAIL 60MPH 0.88IN
$$1 follow-up statement
755
WWUS53 KMPX 110240
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
940 PM CDT SUN JUN 10 2012
MNC037-131-110255-
/O.EXP.KMPX.SV.W.0139.000000T0000Z-120611T0245Z/
DAKOTA MN-RICE MN-
940 PM CDT SUN JUN 10 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RICE AND DAKOTA
COUNTIES WILL EXPIRE AT 945 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA...HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 4422 9352 4454 9352 4453 9330 4454 9328
4463 9328 4464 9330 4477 9331 4490 9314
4489 9303 4477 9301 4474 9282 4432 9330
TIME...MOT...LOC 0240Z 222DEG 38KT 4483 9285
$$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, 8:18 PM CDT | Tornado Warning | MPX | Carver, Le Sueur, Scott, Sibley | 42 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, 8:48 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
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.