Alert archive / Minnesota / Tornado Warnings in 2012
Tornado Warning 4, NWS Duluth, MN
NWS Duluth, MN issued this tornado warning at Jun 18, 2012, 1:59 PM CDT for Saint Louis County, Minnesota. It was in force for 13 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
- Jun 18, 2012, 1:59 PM CDT (18:59 UTC)
- Expired
- Jun 18, 2012, 2:12 PM CDT
- In force
- 13 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
County Saint Louis County, MN
The radar
The Duluth radar (KDLH), 166 km from the middle of the area, began a volume at 18:59 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 nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 7.0 hours before the alert went out and 90 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
- 520 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 521 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
375
WFUS53 KDLH 181859
TORDLH
MNC137-181915-
/O.NEW.KDLH.TO.W.0004.120618T1859Z-120618T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DULUTH MN
159 PM CDT MON JUN 18 2012
THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A
* TORNADO WARNING FOR...
NORTH CENTRAL ST. LOUIS COUNTY IN NORTHEAST MINNESOTA...
* UNTIL 215 PM CDT
* AT 156 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LAC
LA CROIX...OR 34 MILES NORTHWEST OF ELY...MOVING EAST AT 30 MPH.
* THE MOST DANGEROUS PORTION OF THIS STORM WILL AFFECT AREAS
OF THE BOUNDARY WATERS CANOE AREA NEAR LAC LA CROIX.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 4835 9212 4836 9211 4836 9205 4832 9199
4828 9200 4825 9195 4825 9229 4832 9232
4835 9230 4836 9225 4835 9220 4837 9215
TIME...MOT...LOC 1856Z 268DEG 27KT 4833 9219
$$
MILLER2 follow-up statements
376
WWUS53 KDLH 181903
SVSDLH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
203 PM CDT MON JUN 18 2012
MNC137-181915-
/O.CON.KDLH.TO.W.0004.000000T0000Z-120618T1915Z/
ST. LOUIS MN-
203 PM CDT MON JUN 18 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR FAR NORTHERN ST. LOUIS
COUNTY UNTIL 215 PM CDT...
AT 202 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED OVER THE FAR NORTHWEST PORTION OF THE BOUNDARY
WATERS CANOE AREA...NEAR BOULDER BAY AND KELSEY LAKE...OR 29
MILES NORTH OF ELY...MOVING EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
TOE LAKE
BOULDER BAY
KELSEY LAKE.
LAT...LON 4825 9216 4835 9216 4835 9212 4836 9211
4836 9205 4832 9199 4828 9200 4825 9195
TIME...MOT...LOC 1902Z 273DEG 43KT 4829 9201
$$
MILLER012
WWUS53 KDLH 181912
SVSDLH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
212 PM CDT MON JUN 18 2012
MNC137-181920-
/O.CAN.KDLH.TO.W.0004.000000T0000Z-120618T1915Z/
ST. LOUIS MN-
212 PM CDT MON JUN 18 2012
...THE TORNADO WARNING FOR EXTREME NORTHERN ST. LOUIS COUNTY IS
CANCELLED...
THE SEVERE STORM WHICH PROMPTED THE WARNING HAS MOVED EAST INTO
EXTREME SOUTHERN ONTARIO TO THE EAST OF LAC LA CROIX AND BOULDER BAY.
SHOWERS AND THUNDERSTORMS WILL PERSIST ACROSS FAR NORTHERN ST. LOUIS
COUNTY THROUGH AT LEAST 230 PM CDT...BUT ADDITIONAL SEVERE STORMS
ARE NOT IMMINENT AT THE PRESENT TIME.
LAT...LON 4825 9216 4835 9216 4835 9212 4836 9211
4836 9205 4832 9199 4828 9200 4825 9195
TIME...MOT...LOC 1910Z 268DEG 27KT 4832 9203
$$
MILLERThe office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:10 PM CDT | Special Weather Statement | DLH | Aitkin, Crow Wing | 35 min |
| Jun 17, 7:32 PM CDT | Special Weather Statement | DLH | Cass | 28 min |
| Jun 17, 7:42 PM CDT | Special Weather Statement | DLH | Carlton | 18 min |
| Jun 17, 7:59 PM CDT | Special Weather Statement | DLH | Aitkin | 31 min |
| Jun 17, 8:04 PM CDT | Special Weather Statement | DLH | Cass | 26 min |
| Jun 17, 8:07 PM CDT | Special Weather Statement | DLH | Carlton | 23 min |
| Jun 17, 8:38 PM CDT | Special Weather Statement | DLH | Carlton | 22 min |
| Jun 17, 8:39 PM CDT | Special Weather Statement | DLH | Itasca | 36 min |
| Jun 17, 8:46 PM CDT | Special Weather Statement | DLH | Itasca | 29 min |
| Jun 17, 10:51 PM CDT | Special Weather Statement | DLH | Pine | 39 min |
| Jun 18, 11:02 AM CDT | Special Weather Statement | DLH | 28 min | |
| Jun 18, 12:28 PM CDT | Special Weather Statement | DLH | Koochiching | 32 min |
| Jun 18, 12:40 PM CDT | Special Weather Statement | DLH | Koochiching | 20 min |
| Jun 18, 12:44 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 31 min |
| Jun 18, 1:16 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 29 min |
| Jun 18, 1:34 PM CDT | River Flood Watch | DLH | Aitkin | 6 days |
| Jun 18, 1:50 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 25 min |
| Jun 18, 1:52 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 23 min |
| Jun 18, 2:28 PM CDT | Special Weather Statement | DLH | Cook | 17 min |
| Jun 18, 2:55 PM CDT | Severe Thunderstorm Warning | DLH | Cook, Lake | 33 min |
| Jun 18, 3:26 PM CDT | Special Weather Statement | DLH | Cook | 19 min |
| Jun 18, 3:33 PM CDT | Flash Flood Watch | DLH | Aitkin, Carlton, Cass, Cook, Crow Wing, Itasca and 3 more | 45 hr |
| Jun 18, 4:19 PM CDT | Special Weather Statement | DLH | 26 min | |
| Jun 18, 4:56 PM CDT | Special Weather Statement | DLH | Cook | 49 min |
| Jun 18, 4:58 PM CDT | Special Weather Statement | DLH | Cook | 47 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.