Alert archive / Montana / Tornado Warnings in 2012
Tornado Warning 9, NWS Great Falls, MT
NWS Great Falls, MT issued this tornado warning at Jun 5, 2012, 8:09 PM MDT for Chouteau County, Hill County, Liberty County, Montana. It was in force for 45 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 5, 2012, 8:09 PM MDT (02:09 UTC)
- Expired
- Jun 5, 2012, 8:54 PM MDT
- In force
- 45 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
Counties Chouteau County, MT, Hill County, MT, Liberty County, MT
The radar
The Great Falls radar (KTFX), 124 km from the middle of the area, began a volume at 02:10 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 |
|---|---|---|---|
| Jun 5, 2:37 PM MDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 2.2 hours before the alert went out and 298 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
- 880 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 2578 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 244 m²/s²
- 0-3 km storm-relative helicity
- 359 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
865
WFUS55 KTFX 060209
TORTFX
MTC015-041-051-060315-
/O.NEW.KTFX.TO.W.0009.120606T0209Z-120606T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
809 PM MDT TUE JUN 5 2012
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A
* TORNADO WARNING FOR...
NORTH CENTRAL CHOUTEAU COUNTY IN NORTH CENTRAL MONTANA...
SOUTHWESTERN HILL COUNTY IN NORTH CENTRAL MONTANA...
EAST CENTRAL LIBERTY COUNTY IN NORTH CENTRAL MONTANA...
* UNTIL 915 PM MDT.
* AT 805 PM MDT...DOPPLER RADAR CONTINUED TO SHOW A STORM CAPABLE OF
PRODUCING A TORNADO ABOUT 13 MILES NORTHWEST OF BIG SANDY...MOVING
NORTHWEST AT 30 MPH.
* LOCATIONS IN THE WARNING INCLUDE INVERNESS AND JOPLIN.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
WALNUT SIZE HAIL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO
SEE. TAKE COVER NOW. IF A BASEMENT IS NOT AVAILABLE...MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. LEAVE MOBILE HOMES AND
VEHICLES FOR REINFORCED SHELTER. STAY AWAY FROM WINDOWS.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
&&
LAT...LON 4842 11098 4878 11082 4869 11038 4825 11011
4810 11041
TIME...MOT...LOC 0208Z 174DEG 46KT 4831 11038
$$
BRUSDA2 follow-up statements
713
WWUS55 KTFX 060224
SVSTFX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
824 PM MDT TUE JUN 5 2012
MTC015-060234-
/O.CAN.KTFX.TO.W.0009.000000T0000Z-120606T0315Z/
CHOUTEAU MT-
824 PM MDT TUE JUN 5 2012
...THE TORNADO WARNING FOR NORTH CENTRAL CHOUTEAU COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT TUESDAY EVENING
FOR NORTHWESTERN MONTANA.
A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM MDT
TUESDAY EVENING FOR SOUTHWEST MONTANA.
LAT...LON 4831 11060 4842 11098 4878 11082 4869 11038
4832 11015
TIME...MOT...LOC 0224Z 130DEG 97KT 4853 11075
$$
MTC041-051-060315-
/O.CON.KTFX.TO.W.0009.000000T0000Z-120606T0315Z/
HILL MT-LIBERTY MT-
824 PM MDT TUE JUN 5 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM MDT FOR EAST
CENTRAL LIBERTY AND WEST CENTRAL HILL COUNTIES...
AT 819 PM MDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS DANGEROUS STORM IS
LOCATED 8 MILES SOUTH OF RUDYARD...OR 18 MILES EAST OF
CHESTER...MOVING NORTHWEST AT 30 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
&&
LAT...LON 4831 11060 4842 11098 4878 11082 4869 11038
4832 11015
TIME...MOT...LOC 0224Z 130DEG 97KT 4853 11075
$$
BRUSDA751
WWUS55 KTFX 060254
SVSTFX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
854 PM MDT TUE JUN 5 2012
MTC041-051-060304-
/O.CAN.KTFX.TO.W.0009.000000T0000Z-120606T0315Z/
HILL MT-LIBERTY MT-
854 PM MDT TUE JUN 5 2012
...THE TORNADO WARNING FOR EAST CENTRAL LIBERTY AND WEST CENTRAL HILL
COUNTIES IS CANCELLED...
NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE THUNDERSTORM
THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT TUESDAY EVENING
FOR NORTHWESTERN MONTANA.
LAT...LON 4831 11060 4842 11098 4878 11082 4869 11038
4832 11015
TIME...MOT...LOC 0254Z 130DEG 97KT 4904 11171
$$
BRUSDAThe office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 6:06 PM MDT | Special Weather Statement | TFX | Beaverhead | 39 min |
| Jun 5, 6:08 PM MDT | Special Weather Statement | TFX | Cascade | 67 min |
| Jun 5, 6:11 PM MDT | Tornado Warning | TFX | Chouteau, Fergus, Judith Basin | 49 min |
| Jun 5, 6:16 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 59 min |
| Jun 5, 6:52 PM MDT | Tornado Warning | TFX | Blaine, Chouteau, Fergus | 23 min |
| Jun 5, 7:06 PM MDT | Tornado Warning | TFX | Blaine, Chouteau, Fergus, Hill | 24 min |
| Jun 5, 7:24 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 51 min |
| Jun 5, 7:29 PM MDT | Tornado Warning | TFX | Blaine, Chouteau, Hill | 46 min |
| Jun 5, 8:03 PM MDT | Special Weather Statement | TFX | Cascade | 42 min |
| Jun 5, 9:02 PM MDT | Special Weather Statement | TFX | Liberty | 43 min |
| Jun 5, 9:04 PM MDT | Special Weather Statement | TFX | Teton | 41 min |
| Jun 5, 9:29 PM MDT | Special Weather Statement | TFX | Chouteau | 61 min |
| Jun 5, 9:35 PM MDT | High Wind Watch | TFX | 7 hr | |
| Jun 5, 10:09 PM MDT | Special Weather Statement | TFX | Pondera | 51 min |
| Jun 5, 10:12 PM MDT | Special Weather Statement | TFX | Chouteau | 48 min |
| Jun 6, 4:20 AM MDT | High Wind Warning | TFX | 16 hr | |
| Jun 6, 9:39 AM MDT | River Flood Warning | TFX | Cascade | 3 days |
| Jun 6, 9:39 AM MDT | River Flood Warning | TFX | Cascade | 3 days |
Nearby
Tornado Warnings in Montana, 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.