Alert archive / Minnesota / Tornado Warnings in 2012
Tornado Warning 39, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 4, 2012, 9:44 PM CDT for Morrison County, Todd County, Minnesota. It was in force for 31 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
- Jul 4, 2012, 9:44 PM CDT (02:44 UTC)
- Expired
- Jul 4, 2012, 10:15 PM CDT
- In force
- 31 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Morrison County, MN, Todd County, MN
The radar
The Minneapolis radar (KMPX), 185 km from the middle of the area, began a volume at 02:47 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 |
|---|---|---|---|
| Jul 4, 8:59 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.7 hours before the alert went out and 184 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
- 2542 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1972 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
001
WFUS53 KMPX 050244
TORMPX
MNC097-153-050315-
/O.NEW.KMPX.TO.W.0039.120705T0244Z-120705T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
944 PM CDT WED JUL 4 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN MORRISON COUNTY IN CENTRAL MINNESOTA...
NORTHEASTERN TODD COUNTY IN CENTRAL MINNESOTA...
* UNTIL 1015 PM CDT
* AT 940 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 2 MILES NORTHEAST
OF STAPLES...OR ABOUT 2 MILES EAST OF STAPLES AIRPORT...AND MOVING
SOUTHEAST AT 30 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
STAPLES...
PHILBROOK...
MOTLEY...
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 300 AM CDT THURSDAY MORNING
FOR EAST CENTRAL MINNESOTA AND NORTHWEST WISCONSIN.
&&
LAT...LON 4636 9471 4636 9466 4631 9454 4634 9446
4633 9444 4620 9451 4629 9485 4638 9482
4638 9473
TIME...MOT...LOC 0244Z 292DEG 28KT 4638 9473
$$
CLF1 follow-up statement
905
WWUS53 KMPX 050253
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
953 PM CDT WED JUL 4 2012
MNC097-153-050315-
/O.CON.KMPX.TO.W.0039.000000T0000Z-120705T0315Z/
MORRISON MN-TODD MN-
953 PM CDT WED JUL 4 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN TODD AND
NORTHWESTERN MORRISON COUNTIES UNTIL 1015 PM CDT...
AT 951 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
WAS LOCATED NEAR MOTLEY...OR 7 MILES EAST OF STAPLES...MOVING EAST AT
30 MPH.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF EXTREME NORTHWESTERN MORRISON COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 4627 9473 4638 9473 4636 9471 4636 9466
4631 9454 4634 9446 4633 9444 4620 9451
TIME...MOT...LOC 0253Z 292DEG 28KT 4635 9464
$$
CLFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 8:13 PM CDT | Special Weather Statement | MPX | Kanabec | 62 min |
| Jul 4, 8:28 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 77 min |
| Jul 4, 10:15 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 15 min |
| Jul 4, 10:17 PM CDT | Special Weather Statement | MPX | Morrison | 28 min |
| Jul 4, 10:57 PM CDT | Special Weather Statement | MPX | Mille Lacs | 48 min |
| Jul 4, 11:46 PM CDT | Special Weather Statement | MPX | Mille Lacs | 29 min |
| Jul 5, 12:04 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 41 min |
| Jul 5, 12:34 AM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti, Kanabec, Mille Lacs | 41 min |
| Jul 5, 1:11 AM CDT | Severe Thunderstorm Warning | MPX | Chisago | 16 min |
| Jul 5, 3:25 AM CDT | Special Weather Statement | MPX | Watonwan | 50 min |
| Jul 5, 4:03 AM CDT | Special Weather Statement | MPX | Watonwan | 42 min |
| Jul 5, 5:07 AM CDT | Special Weather Statement | MPX | Wright | 38 min |
| Jul 5, 6:01 AM CDT | Special Weather Statement | MPX | Carver | 44 min |
| Jul 5, 6:30 AM CDT | Special Weather Statement | MPX | McLeod | 30 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.